diff options
-rw-r--r-- | AUTHORS | 1 | ||||
-rw-r--r-- | CMakeLists.txt | 93 | ||||
-rw-r--r-- | LICENSE.Apache-2.0 | 203 | ||||
-rw-r--r-- | build/CMakeLists.txt | 25 | ||||
-rw-r--r-- | build/libwebappenc.pc.in | 11 | ||||
-rw-r--r-- | include/CMakeLists.txt | 4 | ||||
-rw-r--r-- | include/web_app_enc.h | 120 | ||||
-rw-r--r-- | packaging/libwebappenc.manifest | 8 | ||||
-rw-r--r-- | packaging/libwebappenc.spec | 115 | ||||
-rw-r--r-- | resources/CMakeLists.txt | 12 | ||||
-rw-r--r-- | resources/README_APP_DEK | 1 | ||||
-rw-r--r-- | resources/WAE_APPDEK_KEK_PrivateKey.pem | 30 | ||||
-rw-r--r-- | resources/WAE_APPDEK_KEK_PublicKey.pem | 9 | ||||
-rw-r--r-- | srcs/CMakeLists.txt | 67 | ||||
-rw-r--r-- | srcs/crypto_service.c | 372 | ||||
-rw-r--r-- | srcs/crypto_service.h | 57 | ||||
-rw-r--r-- | srcs/key_handler.c | 744 | ||||
-rw-r--r-- | srcs/key_handler.h | 86 | ||||
-rw-r--r-- | srcs/wae_initializer.c | 47 | ||||
-rw-r--r-- | srcs/wae_log.h | 38 | ||||
-rw-r--r-- | srcs/web_app_enc.c | 213 | ||||
-rw-r--r-- | systemd/CMakeLists.txt | 8 | ||||
-rw-r--r-- | systemd/webappenc-initializer.service.in | 12 | ||||
-rw-r--r-- | tests/CMakeLists.txt | 37 | ||||
-rw-r--r-- | tests/wae_tests.c | 815 |
25 files changed, 3128 insertions, 0 deletions
@@ -0,0 +1 @@ +Dongsun Lee <ds73.lee@samsung.com> diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..c9fec0e --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,93 @@ +# Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# @file CMakeLists.txt +# @author +# @brief +# + +############################# Check minimum CMake version ##################### + +CMAKE_MINIMUM_REQUIRED(VERSION 2.6) +PROJECT("webappenc") + +SET(SO_VERSION 1) +SET(VERSION "${SO_VERSION}.0.0") + +############################# cmake packages ################################## + +INCLUDE(FindPkgConfig) + +############################# compiler flags ################################## + +SET(CMAKE_C_FLAGS_PROFILING "-g -O0 -pg -Wp,-U_FORTIFY_SOURCE") +SET(CMAKE_CXX_FLAGS_PROFILING "-g -std=c++0x -O0 -pg -Wp,-U_FORTIFY_SOURCE") +SET(CMAKE_C_FLAGS_DEBUG "-g -O0 -ggdb -Wp,-U_FORTIFY_SOURCE") +SET(CMAKE_CXX_FLAGS_DEBUG "-g -std=c++0x -O0 -ggdb -Wp,-U_FORTIFY_SOURCE") +SET(CMAKE_C_FLAGS_RELEASE "-g -O2") +SET(CMAKE_CXX_FLAGS_RELEASE "-g -std=c++0x -O2") +SET(CMAKE_C_FLAGS_CCOV "-g -O2 --coverage") +SET(CMAKE_CXX_FLAGS_CCOV "-g -std=c++0x -O2 --coverage") + +# If supported for the target machine, emit position-independent code,suitable +# for dynamic linking and avoiding any limit on the size of the global offset +# table. This option makes a difference on the m68k, PowerPC and SPARC. +# (BJ: our ARM too?) +ADD_DEFINITIONS("-fPIC") + +# Set compiler warning flags +ADD_DEFINITIONS("-Werror") # Make all warnings into errors. +ADD_DEFINITIONS("-Wall") # Generate all warnings +ADD_DEFINITIONS("-Wextra") # Generate even more extra warnings + +STRING(REGEX MATCH "([^.]*)" API_VERSION "${VERSION}") +ADD_DEFINITIONS("-DAPI_VERSION=\"$(API_VERSION)\"") +ADD_DEFINITIONS("-DSMACK_ENABLED") +ADD_DEFINITIONS("-DSQLCIPHER_HAS_CODEC") + +# IF (CMAKE_BUILD_TYPE MATCHES "DEBUG") + ADD_DEFINITIONS("-DTIZEN_DEBUG_ENABLE") + ADD_DEFINITIONS("-DBUILD_TYPE_DEBUG") +# ENDIF (CMAKE_BUILD_TYPE MATCHES "DEBUG") + +################# common configurations for srcs and test ###################### +SET(DEPENDENTS "openssl dlog key-manager libtzplatform-config") +PKG_CHECK_MODULES(WEB_APP_ENC_DEPS + REQUIRED + ${DEPENDENTS} +) + + +############################ For PC file setting ################################ +SET(PC_NAME ${PROJECT_NAME}) +SET(PC_REQUIRED ${DEPENDENTS}) +SET(PC_LDFLAGS -l${PROJECT_NAME}) +#SET(PC_CFLAGS -I\${includedir}) + + +############################ Target Setting ################################ +SET(TARGET_WEBAPPENC ${PROJECT_NAME}) +SET(TARGET_WAE_INITIALIZER wae_initializer) +SET(TARGET_WAE_ENCRYPTER wae_encrypter) +SET(TARGET_WEBAPPENC_TEST wae_tests) + +############################ Add Sub Directories ################################ +ADD_SUBDIRECTORY(srcs) +ADD_SUBDIRECTORY(build) +ADD_SUBDIRECTORY(resources) +ADD_SUBDIRECTORY(include) +ADD_SUBDIRECTORY(tests) +ADD_SUBDIRECTORY(systemd) + + diff --git a/LICENSE.Apache-2.0 b/LICENSE.Apache-2.0 new file mode 100644 index 0000000..247c97d --- /dev/null +++ b/LICENSE.Apache-2.0 @@ -0,0 +1,203 @@ +Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved. + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/build/CMakeLists.txt b/build/CMakeLists.txt new file mode 100644 index 0000000..338e7ce --- /dev/null +++ b/build/CMakeLists.txt @@ -0,0 +1,25 @@ +# Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# @file CMakeLists.txt +# @brief +# + +CONFIGURE_FILE(libwebappenc.pc.in libwebappenc.pc @ONLY) + +INSTALL(FILES + ${CMAKE_BINARY_DIR}/build/libwebappenc.pc + DESTINATION + ${LIB_INSTALL_DIR}/pkgconfig + ) diff --git a/build/libwebappenc.pc.in b/build/libwebappenc.pc.in new file mode 100644 index 0000000..2af6c92 --- /dev/null +++ b/build/libwebappenc.pc.in @@ -0,0 +1,11 @@ +prefix=@PREFIX@ +libdir=@PREFIX@/lib +includedir=@PREFIX@/include + +Name: @PC_NAME@ +Description: Web application encryption and decryption service based on key-manager +Version: @VERSION@ +Requires: @PC_REQUIRED@ +Libs: @PC_LDFLAGS@ +Cflags: @PC_CFLAGS@ + diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt new file mode 100644 index 0000000..26e801c --- /dev/null +++ b/include/CMakeLists.txt @@ -0,0 +1,4 @@ +INSTALL(FILES + ${CMAKE_CURRENT_SOURCE_DIR}/web_app_enc.h + DESTINATION ${INCLUDEDIR} + ) diff --git a/include/web_app_enc.h b/include/web_app_enc.h new file mode 100644 index 0000000..2e31a3c --- /dev/null +++ b/include/web_app_enc.h @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2014 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * @file web_app_enc.h + * @version 1.0 + * @brief This file contains APIs of WEB_APP_ENC module. +*/ + +#ifndef __WEB_APP_ENC__ +#define __WEB_APP_ENC__ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @addtogroup CAPI_WEB_APP_ENC_MODULE + * @{ + */ + + +typedef enum +{ + WAE_ERROR_NONE = 0x00, /**< Successful */ + WAE_ERROR_INVALID_PARAMETER = - 0x01, /**< Invalid function parameter */ + WAE_ERROR_PERMISSION_DENIED = - 0x02, /**< Permission denied */ + WAE_ERROR_NO_KEY = - 0x03, /**< No key */ + WAE_ERROR_KEY_EXISTS = - 0x04, /**< key already exists*/ + WAE_ERROR_KEY_MANAGER = - 0x05, /**< key-manager internal error */ + WAE_ERROR_CRYPTO = - 0x06, /**< failed in crypto operation */ + WAE_ERROR_MEMORY = - 0x07, /**< failed to allocate memory */ + WAE_ERROR_FILE = - 0x08, /**< failed to read or write a file*/ + WAE_ERROR_UNKNOWN = - 0x09 /** < Unknown error */ +} wae_error_e; + +/** + * @brief Encrypts web application data with internal key(APP DEK: Application Data Encryption Key). + * + * @since_tizen 3.0 + * @param[in] pPkgId The package id of an application. + * @param[in] isPreloaded True(!=0) if the application is preloaded, otherwise false(==0). + * @param[in] pData The data block to be encrypted. + * @param[in] dataLen The length of the data block. + * @param[out] ppEncryptedData The data block contaning encrypted data block. Memory allocated for ppEncryptedData. Has to be freed by free() function. + * @param[out] pEncDataLen The length of the encrypted data block. + * + * @return #WAE_ERROR_NONE on success, otherwise a negative error value + * @retval #WAE_ERROR_INVALID_PARAMETER Invalid input parameter + * @retval #WAE_ERROR_PERMISSION_DENIED Non-authenticated application request + * @retval #WAE_ERROR_NO_KEY No internal key + * @retval #WAE_ERROR_KEY_MANAGER key-manager internal error + * @retval #WAE_ERROR_CRYPTO failed in crypto operation + * @retval #WAE_ERROR_UNKNOWN Failed with unknown reason + * + * @see wae_decrypt_web_application() + */ +int wae_encrypt_web_application(const char* pPkgId, int isPreloaded, const unsigned char* pData, size_t dataLen, unsigned char** ppEncryptedData, size_t* pEncDataLen); + +/** + * @brief Encrypts web application data with internal key. + * + * @since_tizen 3.0 + * @param[in] pPkgId The package id of an application. + * @param[in] isPreloaded True(!=0) if the application is preloaded, otherwise false(==0). + * @param[in] pData The data block to be decrypted. + * @param[in] dataLen The length of the data block. + * @param[out] ppDecryptedData Data block contaning decrypted data block. Memory allocated for ppEncryptedData. Has to be freed by free() function. + * @param[out] pDecDataLen The length of the decrypted data block. + * + * @return #WAE_ERROR_NONE on success, otherwise a negative error value + * @retval #WAE_ERROR_INVALID_PARAMETER Invalid input parameter + * @retval #WAE_ERROR_PERMISSION_DENIED Non-authenticated application request + * @retval #WAE_ERROR_NO_KEY No internal key + * @retval #WAE_ERROR_KEY_MANAGER key-manager internal error + * @retval #WAE_ERROR_CRYPTO failed in crypto operation + * @retval #WAE_ERROR_UNKNOWN Failed with unknown reason + * + * @see wae_encrypt_web_application() + */ +int wae_decrypt_web_application(const char* pPkgId, int isPreloaded, const unsigned char* pData, size_t dataLen, unsigned char** ppDecryptedData, size_t* pDecDataLen); + +/** + * @brief Remove a APP DEK(Application Data Encryption Key) used for encrytpion and decryption of a web application. + * + * @since_tizen 3.0 + * @param[in] pPkgId The package id of an application. + * + * @return #WAE_ERROR_NONE on success, otherwise a negative error value + * @retval #WAE_ERROR_INVALID_PARAMETER Invalid input parameter + * @retval #WAE_ERROR_PERMISSION_DENIED Non-authenticated application request + * @retval #WAE_ERROR_NO_KEY No internal key + * @retval #WAE_ERROR_KEY_MANAGER key-manager internal error + * @retval #WAE_ERROR_UNKNOWN Failed with unknown reason + * + */ +int wae_remove_app_dek(const char* pPkgId); + + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __WEB_APP_ENC__ */ + diff --git a/packaging/libwebappenc.manifest b/packaging/libwebappenc.manifest new file mode 100644 index 0000000..226aaa0 --- /dev/null +++ b/packaging/libwebappenc.manifest @@ -0,0 +1,8 @@ +<manifest> + <request> + <domain name="_" /> + </request> + <assign> + <filesystem path="/var/libwebappenc/" label="System" /> + </assign> +</manifest> diff --git a/packaging/libwebappenc.spec b/packaging/libwebappenc.spec new file mode 100644 index 0000000..b3c2cbc --- /dev/null +++ b/packaging/libwebappenc.spec @@ -0,0 +1,115 @@ +Name: libwebappenc +Summary: Web application encryption service +Version: 0.1.0 +Release: 1 +Group: System/Libraries +License: Apache-2.0 +Source0: %{name}-%{version}.tar.gz +Source1001: %{name}.manifest + +Requires(post): /sbin/ldconfig +Requires(postun): /sbin/ldconfig + +BuildRequires: cmake +BuildRequires: pkgconfig(dlog) +BuildRequires: pkgconfig(openssl) +BuildRequires: pkgconfig(key-manager) +BuildRequires: pkgconfig(libtzplatform-config) +Requires: openssl +Requires: pkgconfig(libtzplatform-config) + +%description +Web application encryption and decryption service + +%package devel +Summary: Web application encryption service (development files) +Group: Development/Libraries +Requires: %{name} = %{version}-%{release} + +%description devel +Web application encryption and decryption service (development files) + +%package test +Summary: Web application encryption service (test) +Group: Development +Requires: %{name} = %{version}-%{release} + +%description test +Web application encryption and decryption service (test) + + + +%prep +%setup -q +cp %{SOURCE1001} . + +%build +%{!?build_type:%define build_type "Release"} +%cmake . -DPREFIX=%{_prefix} \ + -DEXEC_PREFIX=%{_exec_prefix} \ + -DINCLUDEDIR=%{_includedir} \ + -DLIBDIR=%{_libdir} \ + -DBINDIR=%TZ_SYS_BIN \ + -DSYSTEMD_UNIT_DIR=%{_unitdir} \ + -DCMAKE_BUILD_TYPE=%{build_type} \ + -DTZ_SYS_BIN=%TZ_SYS_BIN \ + -DTZ_SYS_SHARE=%TZ_SYS_SHARE + +make %{?jobs:-j%jobs} + + +%install +rm -rf %{buildroot} +mkdir -p %{buildroot}%{TZ_SYS_SHARE}/license +cp LICENSE.Apache-2.0 %{buildroot}%{TZ_SYS_SHARE}/license/%{name} +%make_install +mkdir -p %{buildroot}%{_unitdir}/multi-user.target.wants +ln -s ../webappenc-initializer.service %{buildroot}%{_unitdir}/multi-user.target.wants/webappenc-initializer.service + + +%clean +rm -rf %{buildroot} + +%post +/sbin/ldconfig +systemctl daemon-reload +if [ $1 = 1 ]; then + # installation + systemctl start webappenc-initializer.service +fi + +if [ $1 = 2 ]; then + # update + systemctl restart webappenc-initializer.service +fi + +%postun +/sbin/ldconfig +if [ $1 = 0 ]; then + # uninstall + systemctl daemon-reload +fi + + +%files +%defattr(-,root,root,-) +%manifest %{name}.manifest +%{TZ_SYS_SHARE}/license/%{name} +%{_libdir}/%{name}.so.* +%{_unitdir}/webappenc-initializer.service +%{_unitdir}/multi-user.target.wants/webappenc-initializer.service +%{TZ_SYS_BIN}/wae_initializer +%{TZ_SYS_SHARE}/wae/app_dek/WAE_APPDEK_KEK_PrivateKey.pem +%{TZ_SYS_SHARE}/wae/app_dek/WAE_APPDEK_KEK_PublicKey.pem + +%files devel +%defattr(-,root,root,-) +%{_includedir}/* +%{_libdir}/pkgconfig/%{name}.pc +%{_libdir}/%{name}.so + +%files test +%defattr(-,root,root,-) +%{TZ_SYS_BIN}/wae_tests + + diff --git a/resources/CMakeLists.txt b/resources/CMakeLists.txt new file mode 100644 index 0000000..4462cee --- /dev/null +++ b/resources/CMakeLists.txt @@ -0,0 +1,12 @@ +################################################################################ +# for resource install +################################################################################ + +INSTALL(FILES + ${PROJECT_SOURCE_DIR}/resources/WAE_APPDEK_KEK_PublicKey.pem + ${PROJECT_SOURCE_DIR}/resources/WAE_APPDEK_KEK_PrivateKey.pem + DESTINATION ${TZ_SYS_SHARE}/wae/app_dek/ + PERMISSIONS OWNER_READ + OWNER_WRITE +) + diff --git a/resources/README_APP_DEK b/resources/README_APP_DEK new file mode 100644 index 0000000..724b8c2 --- /dev/null +++ b/resources/README_APP_DEK @@ -0,0 +1 @@ +The directory, app_dek, contains APP_DEK files encrypted with APP_DEK_KEK public key. diff --git a/resources/WAE_APPDEK_KEK_PrivateKey.pem b/resources/WAE_APPDEK_KEK_PrivateKey.pem new file mode 100644 index 0000000..e27950c --- /dev/null +++ b/resources/WAE_APPDEK_KEK_PrivateKey.pem @@ -0,0 +1,30 @@ +-----BEGIN RSA PRIVATE KEY----- +Proc-Type: 4,ENCRYPTED +DEK-Info: AES-128-CBC,F4C783D75B0679F29398E9A3CAB4733D + +kxgW1wGX3TZZ/wtv3g4AOLlZCHoQ6uXVQ0h2ofWjnJs8tas/alR6o8UBRIqCw44t +znUvQ8HlThvzhGgxje/yDDSxCy9mqhgsi2XeTtAeUbMhFL6UArb3cs6M4a37lYoT +llZdFyYkRWJ3vRS33TDrhXDV6GjZWQ05SJ0OYdPJsmA1ENwdH+5NE/xLnqLdTtWr +O3Mn2vi6P9CVqZroCvYBzUaypGcmFhjTIbWmB6inXjoXyddzerh7PTDBDWWacBab +C7gcZC5SrK5YOt6f54ANsVQO8jnkLDx95gUSHYthX1hrQ3Da5Gb6nfYP9RNrHCum +O8RKxSOvv8zwbMlzqtld8xCOb7Nh04f8bofrzZVLZ0T92FcyFQmt1F4U6DNQqHsn +AAqxRxUWsC5k2dX9uZ6RCpEzNYWyPvNe24I/Kt01Geoh1NtCns8CVZcrxyMMtZRK +ZJnYhvNDXDQCDtMJjRBiEXXE++AdA2O6uFoGX3alKwtxAIjGI++pSRlz1GTps26x +5mmLil5wb3KGBfMN4L0R0heDOeiPQrNv7CwX8OlHtA1OKFBtViWdd/uZ2hAko1Tz +YkoYpHPQOV5LZ7dem/XNnwwel9g6AkHhLNJv5ih4Y0CQfPBSs+iiLbMHh/NaGDD9 ++kbcf5Lk4FQGVbJDW9nDAXT6jjMyliTI+hIh5fM2k22qbq6OqBkW6EbOQDMP/R2P +LhFqTgHceNt0mqpcDJdJQ0YKbxVpdkv5f1C4rW+pgUEeHDCQ7vPe4p44xQJ/Z/7Y +AtPwPKzPPJze2cfoUkZd9jXN9g2v2555xnQZU78IEm1nPVBA+hLIaqN1hu1Lkzxy +CwFNo7bMVh3FSBmZVtJlcLsyLxZ9UdoaSr+anfA0lWJPiBzE0whQljZp56l1rL1V +1K8m/dc9rLJ3uDQmYoSRmBZG5zZlVWCip+R9VAHMxRi1x29dFk1jbtQscr63dMI8 +0eOUf28Mw719WWUZVzD08b431DPqWiqrpexUKEXPW8EsrINPfIg180QYt1VUoshs +Tqi/LKM0OV6nlMGh9ieCK8WzVDW8F16krSLo6eJpIPYPZgkHE7fC7Jws1kpUrSnF +GgT6rBA97tJ0EalinuFXbip1X087Quz5USURq18f7/B6nFu0Kd4GhlICsR24j3eB +75SsTNmfUcko8s5QT4rwONEwtRffkGbbNEisCPcleJV68zHvN58mfD7Dl8W3zIO4 +Qk6B1Xy0C4EEniKFfjxIaMEaxrqntBIc+nZE6/+UoGp/Hj9r5ZdzQX2j4837IIdR +CxT4tjXiWBA6u3WaLAZUSM0W0SEORUF9NwzlId1b8A3WxA8XewhAKPaJEr677vzZ +083+neUOuXqqs597romLH1omuffxmHxBzmP+koUtemP78XxCBVWUAB1T+fBRJMz6 +9ZEgDWrMntJ1IaFoGdOWZELgwcXJ0KwWFuk+sieZ5WCCzNmFli9WPN/xSqwmdYw6 +RK9er5Vc8D9mAlmGlz2mpAmzNJHH30zYKT/d0XzBS8z6WBRthaTS3NLsiSeWdELH +b5+WEMOiKvZ19AXU2unHw/XpeVnAISOHhumAqFCwXkjVoMt8LMDawt6ra8N8G+gD +-----END RSA PRIVATE KEY----- diff --git a/resources/WAE_APPDEK_KEK_PublicKey.pem b/resources/WAE_APPDEK_KEK_PublicKey.pem new file mode 100644 index 0000000..f0dfcea --- /dev/null +++ b/resources/WAE_APPDEK_KEK_PublicKey.pem @@ -0,0 +1,9 @@ +-----BEGIN PUBLIC KEY----- +MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0kWtjpRO7Zh2KX2naVE/ +BDJdrfwK9xexfNA0MkY2VJ4J2AKMYTj1D1jntceryupCEHOvP3rum+WsFvPXduz9 ++VKnSsSqj4jcTUubtpDUGA5G79IqLEPFuSBaqI8Uwkzd08pE+s30oaJDnNazMhSq +8JkqBPoCCwtUs73ruE9VbtsBO/kTlASIAfe8nXqcJLcDQgWYhizjJw0Pi6d74oCw +S2OTvQDNvsXfFnA0ZJEEYw/rZLirj7OHoOjz+Sh5N+1uA3Up6SPPEbHuP6L12Yxq +Hdy7gnJXodLhvE/cR4SN9VW7+qmCMBjmLkBejGrEX3STS9sLI7MZHu9Y26dwuYb4 ++wIDAQAB +-----END PUBLIC KEY----- diff --git a/srcs/CMakeLists.txt b/srcs/CMakeLists.txt new file mode 100644 index 0000000..e94a7d4 --- /dev/null +++ b/srcs/CMakeLists.txt @@ -0,0 +1,67 @@ +################################################################################ +# for libwebappenc.so +################################################################################ + +SET(WEB_APP_ENC_SOURCES + ${CMAKE_CURRENT_SOURCE_DIR}/web_app_enc.c + ${CMAKE_CURRENT_SOURCE_DIR}/key_handler.c + ${CMAKE_CURRENT_SOURCE_DIR}/crypto_service.c +) + +INCLUDE_DIRECTORIES( + ${PROJECT_SOURCE_DIR}/include + ${WEB_APP_ENC_DEPS_INCLUDE_DIRS} +) + +ADD_LIBRARY(${TARGET_WEBAPPENC} SHARED ${WEB_APP_ENC_SOURCES}) + +SET_TARGET_PROPERTIES(${TARGET_WEBAPPENC} PROPERTIES + SOVERSION ${SO_VERSION} + VERSION ${VERSION} +) + +TARGET_LINK_LIBRARIES(${TARGET_WEBAPPENC} + pthread + ${WEB_APP_ENC_DEPS_LIBRARIES} +) + +INSTALL(TARGETS ${TARGET_WEBAPPENC} + DESTINATION ${LIBDIR}) + +INSTALL(FILES ${PROJECT_SOURCE_DIR}/include/web_app_enc.h + DESTINATION ${INCLUDEDIR}) + + +################################################################################ +# for wae-initializer +################################################################################ + + +SET(WAE_INITIALIZER_SOURCES + ${CMAKE_CURRENT_SOURCE_DIR}/wae_initializer.c +) + +INCLUDE_DIRECTORIES( + ${PROJECT_SOURCE_DIR}/include + ${WEB_APP_ENC_DEPS_INCLUDE_DIRS} +) + +# -fPIE and -pie flag is added for ASLR +SET_SOURCE_FILES_PROPERTIES( + ${WAE_INITIALIZER_SOURCES} + PROPERTIES + COMPILE_FLAGS "-D_GNU_SOURCE -fvisibility=hidden -fPIE") + +ADD_EXECUTABLE(${TARGET_WAE_INITIALIZER} ${WAE_INITIALIZER_SOURCES}) + + +TARGET_LINK_LIBRARIES(${TARGET_WAE_INITIALIZER} + pthread + ${WEB_APP_ENC_DEPS_LIBRARIES} + ${TARGET_WEBAPPENC} + -pie +) + +INSTALL(TARGETS ${TARGET_WAE_INITIALIZER} + DESTINATION ${BINDIR}) + diff --git a/srcs/crypto_service.c b/srcs/crypto_service.c new file mode 100644 index 0000000..eb1fc20 --- /dev/null +++ b/srcs/crypto_service.c @@ -0,0 +1,372 @@ +/* + * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * + * @file crypto_service.c + * @author Dongsun Lee (ds73.lee@samsung.com) + * @version 1.0 + * @brief provides encryption and decription operations. + */ + +#include <openssl/evp.h> +#include <openssl/rand.h> +#include <openssl/crypto.h> +#include <openssl/err.h> +#include <openssl/bio.h> +#include <openssl/evp.h> +#include <openssl/pem.h> +#include <openssl/rsa.h> + +#include "web_app_enc.h" +#include "wae_log.h" + +#define AES_256_KEY_SIZE 32 + +#define WAE_FALSE 0 +#define WAE_TRUE 1 + +static unsigned char AES_CBC_IV[16] = { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, + 0x08, 0x39, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F}; + +static int __initialized = WAE_FALSE; + +void _initialize() +{ + if(__initialized != WAE_TRUE) { + ERR_load_crypto_strings(); + OpenSSL_add_all_algorithms(); + __initialized = WAE_TRUE; + } +} + + + +int encrypt_app_dek(const unsigned char* rsaPublicKey, size_t pubKeyLen, + const unsigned char* dek, size_t dekLen, + unsigned char** encryptedDek, size_t* encryptedDekLen) +{ + int ret = WAE_ERROR_NONE; + EVP_PKEY *pKey = NULL; + BIO* bio = NULL; + EVP_PKEY_CTX *ctx = NULL; + unsigned char* out = NULL; + size_t outLen = 0; + + _initialize(); + + bio = BIO_new(BIO_s_mem()); + BIO_write(bio, rsaPublicKey, pubKeyLen); + pKey = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL); + + if(pKey == NULL){ + BIO_reset(bio); + BIO_write(bio, rsaPublicKey, pubKeyLen); + pKey = d2i_PUBKEY_bio(bio, NULL); + } + + if(pKey == NULL) { + ret = WAE_ERROR_FILE; + WAE_SLOGE("Failt to convert to public key."); + goto error; + } + + ctx = EVP_PKEY_CTX_new(pKey, NULL); + if(ctx == NULL) { + WAE_SLOGE("Encrypt APP DEK Failed. EVP_PKEY_CTX_new failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + if (EVP_PKEY_encrypt_init(ctx) <= 0) { + WAE_SLOGE("Encrypt APP DEK Failed. EVP_PKEY_encrypt_init failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PADDING) <= 0) { + WAE_SLOGE("Encrypt APP DEK Failed. EVP_PKEY_CTX_set_rsa_padding failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + /* Determine buffer length */ + if (EVP_PKEY_encrypt(ctx, NULL, &outLen, dek, dekLen) <= 0) { + WAE_SLOGE("Encrypt APP DEK Failed. EVP_PKEY_encrypt failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + out = OPENSSL_malloc(outLen); + if(out == NULL) { + WAE_SLOGE("Encrypt APP DEK Failed. OPENSSL_malloc failed"); + ret = WAE_ERROR_MEMORY; + goto error; + } + + if (EVP_PKEY_encrypt(ctx, out, &outLen, dek, dekLen) <= 0) { + WAE_SLOGE("Encrypt APP DEK Failed. EVP_PKEY_encrypt failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + *encryptedDek = out; + *encryptedDekLen = outLen; + +error: + if(bio != NULL) + BIO_free(bio); + if(pKey != NULL) + EVP_PKEY_free(pKey); + if(ctx != NULL) + EVP_PKEY_CTX_free(ctx); + if(ret != WAE_ERROR_NONE && out != NULL) + OPENSSL_free(out); + + return ret; +} + +int decrypt_app_dek(const unsigned char* rsaPrivateKey, size_t priKeyLen, + const char* priKeyPassword, + const unsigned char* encryptedDek, size_t dencryptedDekLen, + unsigned char** decryptedDek, size_t* decryptedDekLen) +{ + int ret = WAE_ERROR_NONE; + EVP_PKEY *pKey = NULL; + BIO* bio = NULL; + EVP_PKEY_CTX *ctx = NULL; + unsigned char* out = NULL; + size_t outLen = 0; + + _initialize(); + + bio = BIO_new(BIO_s_mem()); + BIO_write(bio, rsaPrivateKey, priKeyLen); + pKey = PEM_read_bio_PrivateKey(bio, NULL, NULL, (void *)priKeyPassword); + + if(pKey == NULL) { + BIO_reset(bio); + BIO_write(bio, rsaPrivateKey, priKeyLen); + pKey = d2i_PrivateKey_bio(bio, NULL); + } + + if(pKey == NULL) { + ret = WAE_ERROR_FILE; + WAE_SLOGE("Failt to convert to public key."); + goto error; + } + + ctx = EVP_PKEY_CTX_new(pKey, NULL); + if(ctx == NULL) { + WAE_SLOGE("Decrypt APP DEK Failed. EVP_PKEY_CTX_new failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + if (EVP_PKEY_decrypt_init(ctx) <= 0) { + WAE_SLOGE("Decrypt APP DEK Failed. EVP_PKEY_decrypt_init failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PADDING) <= 0) { + WAE_SLOGE("Decrypt APP DEK Failed. EVP_PKEY_CTX_set_rsa_padding failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + /* Determine buffer length */ + if (EVP_PKEY_decrypt(ctx, NULL, &outLen, encryptedDek, dencryptedDekLen) <= 0) { + WAE_SLOGE("Decrypt APP DEK Failed. EVP_PKEY_decrypt failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + out = OPENSSL_malloc(outLen); + if(out == NULL) { + WAE_SLOGE("Decrypt APP DEK Failed. OPENSSL_malloc failed"); + ret = WAE_ERROR_MEMORY; + goto error; + } + + if (EVP_PKEY_decrypt(ctx, out, &outLen, encryptedDek, dencryptedDekLen) <= 0) { + WAE_SLOGE("Encrypt APP DEK Failed. EVP_PKEY_decrypt failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + *decryptedDek = out; + *decryptedDekLen = outLen; + +error: + if(bio != NULL) + BIO_free(bio); + if(pKey != NULL) + EVP_PKEY_free(pKey); + if(ctx != NULL) + EVP_PKEY_CTX_free(ctx); + if(ret != WAE_ERROR_NONE && out != NULL) + OPENSSL_free(out); + + return ret; +} + + +int encrypt_aes_cbc(const unsigned char* pKey, size_t keyLen, + const unsigned char* pData, size_t dataLen, + unsigned char** ppEncryptedData, size_t* pEncDataLen) +{ + EVP_CIPHER_CTX *ctx; + int len; + unsigned char *ciphertext = NULL; + size_t ciphertext_len; + unsigned char *iv = AES_CBC_IV; + int ret = WAE_ERROR_NONE; + + _initialize(); + + WAE_SLOGI("Encryption Started. size=%d", dataLen); + /* check input paramter */ + if( keyLen != 32 ) { + WAE_SLOGE("Encryption Failed. Invalid Key Length. keyLen=%d", keyLen); + return WAE_ERROR_INVALID_PARAMETER; + } + + // assing a enough memory for decryption. + ciphertext = (unsigned char*) malloc(dataLen + 32); + + /* Create and initialise the context */ + if(!(ctx = EVP_CIPHER_CTX_new())) { + WAE_SLOGE("Encryption Failed. EVP_CIPHER_CTX_new failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + /* Initialise the encryption operation. IMPORTANT - ensure you use a key + * and IV size appropriate for your cipher + * In this example we are using 256 bit AES (i.e. a 256 bit key). The + * IV size for *most* modes is the same as the block size. For AES this + * is 128 bits */ + if(1 != EVP_EncryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, pKey, iv)) { + WAE_SLOGE("Encryption Failed. EVP_EncryptInit_ex failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + /* Provide the message to be encrypted, and obtain the encrypted output. + * EVP_EncryptUpdate can be called multiple times if necessary + */ + if(1 != EVP_EncryptUpdate(ctx, ciphertext, &len, pData, dataLen)) { + WAE_SLOGE("Encryption Failed. EVP_EncryptUpdate failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + ciphertext_len = len; + + /* Finalise the encryption. Further ciphertext bytes may be written at + * this stage. + */ + if(1 != EVP_EncryptFinal_ex(ctx, ciphertext + len, &len)) { + WAE_SLOGE("Encryption Failed. EVP_EncryptFinal_ex failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + ciphertext_len += len; + + *ppEncryptedData = ciphertext; + *pEncDataLen = ciphertext_len; + + ret = WAE_ERROR_NONE; + WAE_SLOGI("Encryption Ended Successfully. encrypted_len", ciphertext_len); +error: + if(ctx != NULL) + EVP_CIPHER_CTX_free(ctx); + if(ret != WAE_ERROR_NONE && ciphertext != NULL) + free(ciphertext); + return ret; +} + +int decrypt_aes_cbc(const unsigned char* pKey, size_t keyLen, + const unsigned char* pData, size_t dataLen, + unsigned char** ppDecryptedData, size_t* pDecDataLen) +{ + EVP_CIPHER_CTX *ctx; + int len; + unsigned char* plaintext = NULL; + size_t plaintext_len; + unsigned char *iv = AES_CBC_IV; + int ret = WAE_ERROR_NONE; + + _initialize(); + + WAE_SLOGI("Decryption Started. size=%d", dataLen); + + /* check input paramter */ + if( keyLen != 32 ) { + WAE_SLOGE("Decryption Failed. Invalid Key Length. keyLen=%d", keyLen); + return WAE_ERROR_INVALID_PARAMETER; + } + + // assing a enough memory for decryption. + plaintext = (unsigned char*) malloc(dataLen); + + /* Create and initialise the context */ + if(!(ctx = EVP_CIPHER_CTX_new())) { + WAE_SLOGE("Decryption Failed. EVP_CIPHER_CTX_new failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + /* Initialise the decryption operation. IMPORTANT - ensure you use a key + * and IV size appropriate for your cipher + * In this example we are using 256 bit AES (i.e. a 256 bit key). The + * IV size for *most* modes is the same as the block size. For AES this + * is 128 bits */ + if(1 != EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, pKey, iv)) { + WAE_SLOGE("Decryption Failed. EVP_DecryptInit_ex failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + /* Provide the message to be decrypted, and obtain the plaintext output. + * EVP_DecryptUpdate can be called multiple times if necessary + */ + if(1 != EVP_DecryptUpdate(ctx, plaintext, &len, pData, dataLen)) { + WAE_SLOGE("Decryption Failed. EVP_DecryptUpdate failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + plaintext_len = len; + + /* Finalise the decryption. Further plaintext bytes may be written at + * this stage. + */ + if(1 != EVP_DecryptFinal_ex(ctx, plaintext + len, &len)) { + WAE_SLOGE("Decryption Failed. EVP_DecryptFinal_ex failed"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + plaintext_len += len; + + *ppDecryptedData = plaintext; + *pDecDataLen = plaintext_len; + + ret = WAE_ERROR_NONE; + WAE_SLOGI("Decryption Ended Successfully. decrypted_len", plaintext_len); +error: + if(ctx != NULL) + EVP_CIPHER_CTX_free(ctx); + if(ret != WAE_ERROR_NONE && plaintext != NULL) + free(plaintext); + return ret; +} + diff --git a/srcs/crypto_service.h b/srcs/crypto_service.h new file mode 100644 index 0000000..c49c34b --- /dev/null +++ b/srcs/crypto_service.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * + * @file crypto_service.h + * @author Dongsun Lee (ds73.lee@samsung.com) + * @version 1.0 + * @brief a header for key manupulatation. + */ + + + +#ifndef __TIZEN_CORE_WAE_CRYPTO_SERVICE_H +#define __TIZEN_CORE_WAE_CRYPTO_SERVICE_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stddef.h> + + +int encrypt_app_dek(const unsigned char* rsaPublicKey, size_t pubKeyLen, + const unsigned char* dek, const int dekLen, + unsigned char** encryptedDek, size_t* encryptedDekLen); + +int decrypt_app_dek(const unsigned char* rsaPrivateKey, size_t priKeyLen, + const char* priKeyPassword, + const unsigned char* encryptedDek, size_t dencryptedDekLen, + unsigned char** decryptedDek, size_t* decryptedDekLen); + + +int encrypt_aes_cbc(const unsigned char* pKey, size_t keyLen, + const unsigned char* pData, size_t dataLen, + unsigned char** ppEncryptedData, size_t* pEncDataLen); + +int decrypt_aes_cbc(const unsigned char* pKey, size_t keyLen, + const unsigned char* pData, size_t dataLen, + unsigned char** ppDecryptedData, size_t* pDecDataLen); + +#ifdef __cplusplus +} +#endif +#endif /* __TIZEN_CORE_WAE_CRYPTO_SERVICE_H */ + diff --git a/srcs/key_handler.c b/srcs/key_handler.c new file mode 100644 index 0000000..4ec4e5c --- /dev/null +++ b/srcs/key_handler.c @@ -0,0 +1,744 @@ +/* + * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * + * @file key_handler.c + * @author Dongsun Lee (ds73.lee@samsung.com) + * @version 1.0 + * @brief a header for key manupulatation. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dirent.h> +#include <unistd.h> +#include <ckmc/ckmc-manager.h> +#include "wae_log.h" +#include "web_app_enc.h" +#include "key_handler.h" +#include "crypto_service.h" + +#include <tzplatform_config.h> + +#define APP_DEK_KEK_PRIKEY_PASSWORD "wae_appdek_kek_1q2w3e4r" + + +typedef struct _dek_cache_element{ + char pkgId[MAX_PKGID_LEN]; + unsigned char dek[DEK_LEN]; +} dek_cache_element; + +dek_cache_element APP_DEK_CACHE[MAX_CACHE_SIZE]; +int NEXT_CACHE_IDX = -1; + +void _initialize_cache() +{ + NEXT_CACHE_IDX = 0; + memset(APP_DEK_CACHE, 0, sizeof(dek_cache_element)*MAX_CACHE_SIZE); +} + +unsigned char* _get_app_dek_from_cache(const char* pkgId) +{ + int i = 0; + + if(NEXT_CACHE_IDX < 0) + _initialize_cache(); + + for(i =0; i<MAX_CACHE_SIZE; i++) { + //WAE_SLOGI("CACHED APP_DEK[%d]=%s", i, APP_DEK_CACHE[i].pkgId); + if( strlen(APP_DEK_CACHE[i].pkgId) == strlen(pkgId) && + strncmp(pkgId, APP_DEK_CACHE[i].pkgId, strlen(pkgId)) == 0) { + return APP_DEK_CACHE[i].dek; + } + } + return NULL; +} + +void _add_app_dek_to_cache(const char* pkgId, unsigned char* dek) +{ + int i = 0; + + if(NEXT_CACHE_IDX < 0) + _initialize_cache(); + + // if existing one has the same pkgid + for(i =0; i<MAX_CACHE_SIZE; i++) { + if( strlen(APP_DEK_CACHE[i].pkgId) == strlen(pkgId) && + strncmp(pkgId, APP_DEK_CACHE[i].pkgId, strlen(pkgId)) == 0) { + memcpy(APP_DEK_CACHE[i].dek, dek, DEK_LEN); + return; + } + } + + // for new pkgid + strncpy(APP_DEK_CACHE[NEXT_CACHE_IDX].pkgId, pkgId, strlen(pkgId)); + memcpy(APP_DEK_CACHE[NEXT_CACHE_IDX].dek, dek, DEK_LEN); + + NEXT_CACHE_IDX++; + if(NEXT_CACHE_IDX >= MAX_CACHE_SIZE) + NEXT_CACHE_IDX = 0; +} + +void _remove_app_dek_from_cache(const char* pkgId) +{ + int i = 0; + + for(i =0; i<MAX_CACHE_SIZE; i++) { + if( strlen(APP_DEK_CACHE[i].pkgId) == strlen(pkgId) && + strncmp(pkgId, APP_DEK_CACHE[i].pkgId, strlen(pkgId)) == 0) { + memset(APP_DEK_CACHE[i].pkgId, 0, sizeof(APP_DEK_CACHE[i].pkgId)); + return; + } + } + +} + +int _to_wae_error(int key_manager_error) +{ + switch(key_manager_error) { + case CKMC_ERROR_NONE: return WAE_ERROR_NONE; + case CKMC_ERROR_INVALID_PARAMETER: return WAE_ERROR_INVALID_PARAMETER; + case CKMC_ERROR_PERMISSION_DENIED: return WAE_ERROR_PERMISSION_DENIED; + case CKMC_ERROR_DB_ALIAS_UNKNOWN: return WAE_ERROR_NO_KEY; + case CKMC_ERROR_DB_ALIAS_EXISTS: return WAE_ERROR_KEY_EXISTS; + default: return WAE_ERROR_KEY_MANAGER; + } +} + +int _get_random(size_t length, unsigned char* random) +{ + FILE* f = NULL; + size_t i = 0; + int ch = 0; + //read random file + if((f = fopen(RANDOM_FILE, "r")) != NULL){ + while( i < length){ + if((ch = fgetc(f)) == EOF){ + break; + } + random[i] = (unsigned char) ch; + i++; + } + } + if(f != NULL) + fclose(f); + return WAE_ERROR_NONE; +} + +void _get_alias(const char* pPkgId, char* alias, size_t buff_len) +{ + snprintf(alias, buff_len, "%s%s%s%s", + ckmc_label_shared_owner, + ckmc_label_name_separator, + APP_DEK_ALIAS_PFX, + pPkgId); +} + +void _get_dek_kek_alias(char* alias, size_t buff_len) +{ + snprintf(alias, buff_len, "%s%s%s", + ckmc_label_shared_owner, + ckmc_label_name_separator, + APP_DEK_KEK_ALIAS); +} + +void _get_dek_loading_done_alias(char* alias, size_t buff_len) +{ + snprintf(alias, buff_len, "%s%s%s", + ckmc_label_shared_owner, + ckmc_label_name_separator, + APP_DEK_LOADING_DONE_ALIAS); +} + +const char* _get_dek_kek_pub_key_path() +{ + return tzplatform_mkpath4(TZ_SYS_SHARE, "wae", "app_dek", "WAE_APPDEK_KEK_PublicKey.pem"); +} + +const char* _get_dek_kek_pri_key_path() +{ + return tzplatform_mkpath4(TZ_SYS_SHARE, "wae", "app_dek", "WAE_APPDEK_KEK_PrivateKey.pem"); +} + +const char* _get_dek_store_path() +{ + return tzplatform_mkpath3(TZ_SYS_SHARE, "wae", "app_dek"); +} + +int _add_dek_to_key_manager(const char* pPkgId, const unsigned char* pDek, size_t len) +{ + int ret = WAE_ERROR_NONE; + char alias[MAX_ALIAS_LEN] = {0,}; + ckmc_raw_buffer_s buff; + ckmc_policy_s policy; + + buff.data = (unsigned char *)pDek; + buff.size = len; + + policy.password = NULL; + policy.extractable = true; + + // save app_dek in key_manager + _get_alias(pPkgId, alias, sizeof(alias)); + + // even if it fails to remove, ignore it. + ret = _to_wae_error( ckmc_remove_alias(alias)); + + ret = _to_wae_error(ckmc_save_data(alias, buff, policy)); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to add APP_DEK to key-manager. pkgId=%s, ret=%d", pPkgId, ret); + goto error; + } + + // share app_dek for web app laucher to use app_dek + ret = _to_wae_error(ckmc_set_permission(alias, pPkgId, CKMC_PERMISSION_READ)); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to set_permission to APP_DEK. pkgId=%s, ret=%d", pPkgId, ret); + goto error; + } + WAE_SLOGI("Success to add APP_DEK to key-manager. pkgId=%s", pPkgId); +error: + return ret; +} + + +int _get_preloaded_app_dek_file_path(const char* pPkgId, char *path) +{ + sprintf(path, "%s/%s_%s.adek", _get_dek_store_path(), APP_DEK_FILE_PFX, pPkgId); + return WAE_ERROR_NONE; +} + +int _extract_pkg_id_from_file_name(const char* fileName, char* pkgId) +{ + char* start = strstr(fileName, APP_DEK_FILE_PFX); + if(start == NULL){ + WAE_SLOGE("Fail to extract pkgid from APP_DEK file. fileName=%s", fileName); + return WAE_ERROR_FILE; + } + start = start + strlen(APP_DEK_FILE_PFX) + 1; + char* end = strstr(fileName, ".adek"); + if(start == NULL){ + WAE_SLOGE("Fail to extract pkgid from APP_DEK file. fileName=%s", fileName); + return WAE_ERROR_FILE; + } + strncpy(pkgId, start, end-start); + pkgId[end-start] = 0;//terminate string + return WAE_ERROR_NONE; +} + +int _read_encrypted_app_dek_from_file(const char* pPkgId, unsigned char** encrypted_app_dek, size_t *len) +{ + char path[MAX_PATH_LEN] = {0,}; + _get_preloaded_app_dek_file_path(pPkgId, path); + return _read_from_file(path, encrypted_app_dek, len); +} + +int _write_encrypted_app_dek_to_file(const char* pPkgId, const unsigned char* encrypted_app_dek, size_t len) +{ + char path[MAX_PATH_LEN] = {0,}; + _get_preloaded_app_dek_file_path(pPkgId, path); + return _write_to_file( path, encrypted_app_dek, len); +} + +int _read_from_file(const char* path, unsigned char** data, size_t* len) +{ + int ret = WAE_ERROR_NONE; + FILE* f = NULL; + int file_len = -1; + unsigned char* file_contents = NULL; + int ch = 0; + int i = 0; + + f = fopen(path, "r"); + if( f == NULL) { + WAE_SLOGE("Fail to open a file. file=%s", path); + ret = WAE_ERROR_FILE; + goto error; + } + + fseek(f, 0, SEEK_END); // move to the end of a file + file_len = ftell(f); + fseek(f, 0, SEEK_SET); // move to the start of a file + + file_contents = (unsigned char*) malloc(file_len); + if(file_contents == NULL) { + WAE_SLOGE("Fail to allocate memory for encrypted_app_dek"); + ret = WAE_ERROR_MEMORY; + goto error; + } + memset(file_contents, 0x00, file_len); + + while( (ch = fgetc(f)) != EOF) { + file_contents[i++]=(char)ch; + } + + *data = file_contents; + *len = file_len; + +error: + if(f != NULL) + fclose(f); + if(ret != WAE_ERROR_NONE && file_contents != NULL) + free(file_contents); + + return ret; +} + +int _write_to_file(const char* path, const unsigned char* data, size_t len) +{ + int ret = WAE_ERROR_NONE; + + FILE* f = NULL; + int write_len = -1; + + f = fopen(path, "w"); + if( f == NULL) { + WAE_SLOGE("Fail to open a file. file=%s", path); + ret = WAE_ERROR_FILE; + goto error; + } + + write_len = fwrite(data, 1, len, f); + if(write_len != (int) len) { + WAE_SLOGE("Fail to write a file. file=%s", path); + ret = WAE_ERROR_FILE; + goto error; + } +error: + if(f != NULL) + fclose(f); + + return ret; +} + +int get_app_dek(const char* pPkgId, unsigned char** ppDek, size_t* dekLen) +{ + int ret = WAE_ERROR_NONE; + + char* password = NULL; + ckmc_raw_buffer_s *pDekBuffer = NULL; + char alias[MAX_ALIAS_LEN] = {0,}; + unsigned char* pDek = NULL; + unsigned char* cached_dek = NULL; + + // get dek from cache + cached_dek = _get_app_dek_from_cache(pPkgId); + if(cached_dek == NULL) { + // get APP_DEK from system database + _get_alias(pPkgId, alias, sizeof(alias)); + + ret = _to_wae_error(ckmc_get_data(alias, password, &pDekBuffer)); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to get APP_DEK from key-manager. alias=%s, ret=%d", alias, ret); + goto error; + } + } + + pDek = (unsigned char*) malloc(DEK_LEN); + if(pDek == NULL) { + WAE_SLOGE("Fail to allocate a memory"); + ret = WAE_ERROR_MEMORY; + goto error; + } + memcpy(pDek, (cached_dek != NULL) ? cached_dek : pDekBuffer->data, DEK_LEN); + + *ppDek = pDek; + *dekLen = DEK_LEN; + WAE_SLOGI("Success to get APP_DEK from key-manager. pkgId=%s", pPkgId); +error: + if(pDekBuffer != NULL) + ckmc_buffer_free(pDekBuffer); + if(ret != WAE_ERROR_NONE && pDek != NULL) + free(pDek); + + return ret; +} + +int create_app_dek(const char* pPkgId, unsigned char** ppDek, size_t* dekLen) +{ + int ret = WAE_ERROR_NONE; + unsigned char *dek= NULL; + + dek = (unsigned char*) malloc(DEK_LEN); + if(dek == NULL) { + ret = WAE_ERROR_MEMORY; + goto error; + } + + ret = _get_random(DEK_LEN, dek); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to get random for APP_DEK. pkgId=%s, ret=%d", pPkgId, ret); + goto error; + } + + // save app_dek in key_manager + ret = _add_dek_to_key_manager(pPkgId, dek, DEK_LEN); + if(ret != WAE_ERROR_NONE) { + goto error; + } + + // store APP_DEK in cache + _add_app_dek_to_cache(pPkgId, dek); + + *ppDek = dek; + *dekLen = DEK_LEN; + + WAE_SLOGI("Success to create APP_DEK and store it in key-manager. pkgId=%s", pPkgId); +error: + if(ret != WAE_ERROR_NONE && dek != NULL) + free(dek); + + return ret; +} + +int get_preloaded_app_dek(const char* pPkgId, unsigned char** ppDek, size_t* dekLen) +{ + int ret = WAE_ERROR_NONE; + unsigned char* cached_dek= NULL; + unsigned char* dek = NULL; + + // get dek from cache + cached_dek = _get_app_dek_from_cache(pPkgId); + if(cached_dek == NULL) { + WAE_SLOGE("Fail to get APP_DEK from cache for preloaded app"); + ret = WAE_ERROR_NO_KEY; + goto error; + } + + dek = (unsigned char*) malloc(DEK_LEN); + if(dek == NULL) { + WAE_SLOGE("Fail to allocate memory for preloaded app dek"); + ret = WAE_ERROR_MEMORY; + goto error; + } + memcpy(dek, cached_dek, DEK_LEN); + + *ppDek = dek; + *dekLen = DEK_LEN; +error: + if(ret != WAE_ERROR_NONE && dek != NULL) + free(dek); + + return ret; +} + +int create_preloaded_app_dek(const char* pPkgId, unsigned char** ppDek, size_t* dekLen) +{ + int ret = WAE_ERROR_NONE; + unsigned char* dek = NULL; + unsigned char* encrypted_app_dek = NULL; + size_t encrypted_app_dek_len = 0; + unsigned char* pubKey = NULL; + size_t pubKeyLen = 0; + + // create APP_DEK + dek = (unsigned char*) malloc(DEK_LEN); + if(dek == NULL) { + ret = WAE_ERROR_MEMORY; + goto error; + } + + ret = _get_random(DEK_LEN, dek); + if(ret != WAE_ERROR_NONE) { + goto error; + } + + // encrypt APP_DEK with APP_DEK_KEK + ret = _read_from_file(_get_dek_kek_pub_key_path(), &pubKey, &pubKeyLen); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to read APP_DEK_KEK Public Key"); + goto error; + } + + ret = encrypt_app_dek(pubKey, pubKeyLen, dek, DEK_LEN, &encrypted_app_dek, &encrypted_app_dek_len); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to encrypt APP_DEK with APP_DEK_KEK"); + goto error; + } + + // write APP_DEK in a file + ret = _write_encrypted_app_dek_to_file(pPkgId, encrypted_app_dek, encrypted_app_dek_len); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to write encrypted APP_DEK. pkgId=%s", pPkgId); + goto error; + } + + // store APP_DEK in cache + _add_app_dek_to_cache(pPkgId, dek); + + *ppDek = dek; + *dekLen = DEK_LEN; + WAE_SLOGI("Success to create preleaded APP_DEK and write it in initail value file. pkgId=%s", pPkgId); + +error: + if(pubKey != NULL) + free(pubKey); + if(encrypted_app_dek != NULL) + free(encrypted_app_dek); + if(ret != WAE_ERROR_NONE && dek != NULL) + free(dek); + return ret; +} + + +int _get_app_dek_kek(unsigned char** ppDekKek, size_t* kekLen) +{ + int ret = WAE_ERROR_NONE; + + ret = _read_from_file(_get_dek_kek_pri_key_path(), ppDekKek, kekLen); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to read APP_DEK_KEK Private Key"); + return ret; + } +/* + char* password = NULL; + ckmc_raw_buffer_s *pKekBuffer = NULL; + unsigned char* pKek = NULL; + + char dek_kek_alias[MAX_ALIAS_LEN] = {0, }; + _get_dek_kek_alias(dek_kek_alias, sizeof(dek_kek_alias)); + + ret = _to_wae_error(ckmc_get_data(dek_kek_alias, password, &pKekBuffer)); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to get APP_DEK_KEK from key-manager. alias=%s, ret=%d", APP_DEK_KEK_ALIAS, ret); + goto error; + } + + pKek = (unsigned char*) malloc(pKekBuffer->size); + if(pKek == NULL) { + WAE_SLOGE("Fail to allocate a memory"); + ret = WAE_ERROR_MEMORY; + goto error; + } + memcpy(pKek, pKekBuffer->data, pKekBuffer->size); + + *ppDekKek = pKek; + *kekLen = pKekBuffer->size; + WAE_SLOGI("Success to get APP_DEK_KEK from key-manager."); +error: + if(pKekBuffer != NULL) + ckmc_buffer_free(pKekBuffer); + if(ret != WAE_ERROR_NONE && pKek != NULL) + free(pKek); +*/ + return ret; +} + + +int _get_app_deks_loaded() +{ + int ret = WAE_ERROR_NONE; + + ckmc_raw_buffer_s *pBuffer = NULL; + char loading_done_alias[MAX_ALIAS_LEN] = {0, }; + + _get_dek_loading_done_alias(loading_done_alias, sizeof(loading_done_alias)); + + ret = _to_wae_error(ckmc_get_data(loading_done_alias, NULL, &pBuffer)); + if(ret == WAE_ERROR_NO_KEY) { + WAE_SLOGI("APP_DEK_LOADING was not done"); + } else if(ret == WAE_ERROR_NONE) { + WAE_SLOGI("APP_DEK_LOADING was already done"); + } else { + WAE_SLOGE("Fail to get information from key-manager about APP_DEK_LOADING_DONE_ALIAS. ret=%d", ret); + goto error; + } + +error: + if(pBuffer != NULL) + ckmc_buffer_free(pBuffer); + + return ret; +} + +int _set_app_deks_loaded() +{ + int ret = WAE_ERROR_NONE; + ckmc_raw_buffer_s buff; + ckmc_policy_s policy; + unsigned char dummyData[1] = {0}; + + buff.data = dummyData; + buff.size = sizeof(dummyData); + + policy.password = NULL; + policy.extractable = true; + + char loading_done_alias[MAX_ALIAS_LEN] = {0, }; + _get_dek_loading_done_alias(loading_done_alias, sizeof(loading_done_alias)); + + ret = _to_wae_error(ckmc_save_data(loading_done_alias, buff, policy)); + if(ret == WAE_ERROR_KEY_EXISTS) { + WAE_SLOGI("APP_DEK_LOADING was already done"); + ret = WAE_ERROR_NONE; + } else if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to set APP_DEK_LOADING_DONE_ALIAS to key-manager. ret=%d", ret); + goto error; + } + + WAE_SLOGI("Success to set APP_DEK_LOADING_DONE_ALIAS to key-manager."); +error: + return ret; +} + +int _clear_app_deks_loaded() +{ + int ret = WAE_ERROR_NONE; + char loading_done_alias[MAX_ALIAS_LEN] = {0, }; + _get_dek_loading_done_alias(loading_done_alias, sizeof(loading_done_alias)); + + ret = _to_wae_error(ckmc_remove_alias(loading_done_alias)); + if(ret == WAE_ERROR_NO_KEY) { + WAE_SLOGI("APP_DEK_LOADING_DONE_ALIAS was not set to key-manager before."); + ret = WAE_ERROR_NONE; + }else if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to clear APP_DEK_LOADING_DONE_ALIAS to key-manager. ret=%d", ret); + } + + return ret; +} + +int load_preloaded_app_deks(int reload) +{ + int ret = WAE_ERROR_NONE; + + char pkgId[MAX_PKGID_LEN] = {0, }; + + DIR *dir = NULL; + struct dirent entry; + struct dirent *result; + int error; + char file_path_buff[MAX_PATH_LEN]; + unsigned char* encrypted_app_dek = NULL; + size_t encrypted_app_dek_len = 0; + unsigned char* app_dek = NULL; + size_t app_dek_len = 0; + unsigned char* priKey = NULL; + size_t priKeyLen = 0; + + int error_during_loading = 0; + + if(reload != WAE_TRUE) { + // check if all deks were already loaded into key-manager. + ret = _get_app_deks_loaded(); + if(ret == WAE_ERROR_NONE) { + return ret; + } + } + + ret = _get_app_dek_kek(&priKey, &priKeyLen); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to get APP_DEK_KEK Private Key"); + return ret; + } + + dir = opendir(_get_dek_store_path()); + if(dir == NULL) { + WAE_SLOGE("Fail to open dir. dir=%s", _get_dek_store_path()); + ret = WAE_ERROR_FILE; + goto error; + } + + for(;;) { + error = readdir_r(dir, &entry, &result); + if( error != 0 ) { + ret = WAE_ERROR_FILE; + goto error; + } + // readdir_r returns NULL in *result if the end + // of the directory stream is reached + if(result == NULL) + break; + + // regular file && start with KEY_MANAGER_INITIAL_VALUE_FILE_PFX + if(entry.d_type == DT_REG && strstr(entry.d_name, APP_DEK_FILE_PFX) != NULL) { + memset(file_path_buff, 0, sizeof(file_path_buff)); + sprintf(file_path_buff, "%s/%s", _get_dek_store_path(), entry.d_name); + + ret = _extract_pkg_id_from_file_name(entry.d_name, pkgId); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGW("Fail to extract pkgid from file. It will be ignored. file=%s",file_path_buff); + continue; + } + + ret = _read_from_file(file_path_buff, &encrypted_app_dek, &encrypted_app_dek_len); + if(ret != WAE_ERROR_NONE || encrypted_app_dek == NULL) { + error_during_loading++; + WAE_SLOGW("Fail to read file. It will be ignored. file=%s",file_path_buff); + continue; + } + + ret = decrypt_app_dek(priKey, priKeyLen, APP_DEK_KEK_PRIKEY_PASSWORD, + encrypted_app_dek, encrypted_app_dek_len, + &app_dek, &app_dek_len); + if(ret != WAE_ERROR_NONE || app_dek == NULL) { + error_during_loading++; + WAE_SLOGW("Fail to decrypt APP DEK. It will be ignored. file=%s",file_path_buff); + continue; + } + + // save app_dek in key_manager + ret = _add_dek_to_key_manager(pkgId, app_dek, app_dek_len); + // free temp objects + free(app_dek); + free(encrypted_app_dek); + app_dek = NULL; + encrypted_app_dek = NULL; + + if(ret == WAE_ERROR_KEY_EXISTS) { + WAE_SLOGI("Key Manager already has APP_DEK. It will be ignored. file=%s",file_path_buff); + continue; + }else if(ret != WAE_ERROR_NONE) { + error_during_loading++; + WAE_SLOGW("Fail to add APP DEK to key-manager. file=%s",file_path_buff); + continue; + } + } + } + + ret = _set_app_deks_loaded(); + if(ret == WAE_ERROR_NONE) { + WAE_SLOGI("Success to load_preloaded_app_deks"); + ret = WAE_ERROR_NONE; + }else { + WAE_SLOGW("Fail to _set_app_deks_loaded to key-manager. ret=%d", ret); + } +error: + if(priKey != NULL) + free(priKey); + + return ret; +} + + +int remove_app_dek(const char* pPkgId) +{ + int ret = CKMC_ERROR_NONE; + char alias[MAX_ALIAS_LEN] = {0,}; + + _get_alias(pPkgId, alias,sizeof(alias)); + + ret = _to_wae_error(ckmc_remove_alias(alias)); + if(ret != WAE_ERROR_NONE) { + WAE_SLOGE("Fail to remove APP_DEK from key-manager. pkgId=%s, alias=%s, ret=%d", pPkgId, alias, ret); + goto error; + } + + _remove_app_dek_from_cache(pPkgId); + WAE_SLOGI("Success to remove APP_DEK from key-manager. pkgId=%s", pPkgId); +error: + return WAE_ERROR_NONE; +} diff --git a/srcs/key_handler.h b/srcs/key_handler.h new file mode 100644 index 0000000..c855241 --- /dev/null +++ b/srcs/key_handler.h @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * + * @file key_handler.h + * @author Dongsun Lee (ds73.lee@samsung.com) + * @version 1.0 + * @brief a header for key manupulatation. + */ + + + +#ifndef __TIZEN_CORE_WAE_KEY_HANDLER_H +#define __TIZEN_CORE_WAE_KEY_HANDLER_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stddef.h> + +#define APP_DEK_ALIAS_PFX "APP_DEK_" +#define APP_DEK_LOADING_DONE_ALIAS "APP_DEKS_LOADING_FINISHED" + +#define DEK_LEN 32 +#define MAX_ALIAS_LEN 256 +#define MAX_PKGID_LEN 256 +#define MAX_PATH_LEN 512 +#define MAX_CACHE_SIZE 100 + + +#define RANDOM_FILE "/dev/urandom" +#define APP_DEK_FILE_PFX "WAE_APP_DEK" +#define APP_DEK_KEK_ALIAS "WAE_APP_DEK_KEK" + +#define WAE_TRUE 1 +#define WAE_FALSE 0 + +void _initialize_cache(); +unsigned char* _get_app_dek_from_cache(const char* pkgId); +void _add_app_dek_to_cache(const char* pkgId, unsigned char* dek); +void _remove_app_dek_from_cache(const char* pkgId); +int _get_random(size_t length, unsigned char* random); +void _get_alias(const char* pPkgId, char* alias, size_t buff_len); +void _get_dek_kek_alias(char* alias, size_t buff_len); +void _get_dek_loading_done_alias(char* alias, size_t buff_len); +const char* _get_dek_kek_pub_key_path(); +const char* _get_dek_kek_pri_key_path(); +const char* _get_dek_store_path(); +int _add_dek_to_key_manager(const char* pPkgId, const unsigned char* pDek, size_t len); +int _get_preloaded_app_dek_file_path(const char* pPkgId, char *path); +int _extract_pkg_id_from_file_name(const char* fileName, char* pkgId); +int _read_encrypted_app_dek_from_file(const char* pPkgId, unsigned char** encrypted_app_dek, size_t*len); +int _write_encrypted_app_dek_to_file(const char* pPkgId, const unsigned char* encrypted_app_dek, size_t len); +int _read_from_file(const char* path, unsigned char** data, size_t* len); +int _write_to_file(const char* path, const unsigned char* data, size_t len); +int _get_app_dek_kek_from_key_manager(unsigned char** ppDekKek, size_t* kekLen); +int _get_app_deks_loaded(); +int _set_app_deks_loaded(); +int _clear_app_deks_loaded(); + +int get_app_dek(const char* pPkgId, unsigned char** ppDek, size_t *dekLen); +int create_app_dek(const char* pPkgId, unsigned char** ppDek, size_t *dekLen); +int get_preloaded_app_dek(const char* pPkgId, unsigned char** ppDek, size_t* dekLen); +int create_preloaded_app_dek(const char* pPkgId, unsigned char** ppDek, size_t *dekLen); +int load_preloaded_app_deks(int reload); +int remove_app_dek(const char* pPkgId); + + +#ifdef __cplusplus +} +#endif +#endif /* __TIZEN_CORE_WAE_KEY_HANDLER_H */ + diff --git a/srcs/wae_initializer.c b/srcs/wae_initializer.c new file mode 100644 index 0000000..011c8a0 --- /dev/null +++ b/srcs/wae_initializer.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * + * @file wae_initializer.c + * @author Dongsun Lee (ds73.lee@samsung.com) + * @version 1.0 + * @brief tool for importing APP DEKs during booting + */ + +#include "key_handler.h" +#include "web_app_enc.h" +#include "wae_log.h" +#include <stdio.h> + +int main(int argc, char* argv[]) +{ + int ret = WAE_ERROR_NONE; + int reload = WAE_FALSE; + + if(argc == 2 && strcmp(argv[1], "--reload")==0) { + reload = WAE_TRUE; + } + + ret = load_preloaded_app_deks(reload); + if(ret == WAE_ERROR_NONE) { + printf("WAE INITIALIZER was finished successfully.\n"); + WAE_SLOGI("WAE INITIALIZER was finished successfully."); + return 0; + }else { + printf("WAE INITIALIZER was finished with error. ret=%d\n", ret); + WAE_SLOGE("WAE INITIALIZER was finished with error. ret=%d", ret); + return -1; + } +} diff --git a/srcs/wae_log.h b/srcs/wae_log.h new file mode 100644 index 0000000..6dfe44a --- /dev/null +++ b/srcs/wae_log.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * + * @file wae_log.h + * @author Dongsun Lee (ds73.lee@samsung.com) + * @version 1.0 + * @brief a header for loggin. + */ + +#ifndef __WAE_LOG_H__ +#define __WAE_LOG_H__ + +/* Use DLOG logging mechanism */ +#include <dlog.h> + +#define TAG_WAE "WAE" + +#define WAE_SLOGD(format, arg...) SLOG(LOG_DEBUG, TAG_WAE, format, ##arg) +#define WAE_SLOGI(format, arg...) SLOG(LOG_INFO, TAG_WAE, format, ##arg) +#define WAE_SLOGW(format, arg...) SLOG(LOG_WARN, TAG_WAE, format, ##arg) +#define WAE_SLOGE(format, arg...) SLOG(LOG_ERROR, TAG_WAE, format, ##arg) +#define WAE_SLOGF(format, arg...) SLOG(LOG_FATAL, TAG_WAE, format, ##arg) + +#endif /* __WAE_LOG_H__*/ + diff --git a/srcs/web_app_enc.c b/srcs/web_app_enc.c new file mode 100644 index 0000000..7bc8484 --- /dev/null +++ b/srcs/web_app_enc.c @@ -0,0 +1,213 @@ +/* + * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * + * @file web_app_enc.c + * @author Dongsun Lee (ds73.lee@samsung.com) + * @version 1.0 + * @brief provides fucntions for encryption and decryption of web application. + */ + +#include <stdlib.h> +#include <stdio.h> + +#include "web_app_enc.h" +#include "key_handler.h" +#include "crypto_service.h" +#include "wae_log.h" + + +int _wae_encrypt_downloaded_web_application(const char* pPkgId, + const unsigned char* pData, size_t dataLen, + unsigned char** ppEncryptedData, size_t* pEncDataLen) +{ + int ret = WAE_ERROR_NONE; + unsigned char *pDek = NULL; + size_t dekLen = -1; + + if(pPkgId == NULL) { + WAE_SLOGE("Invalid Parameter. pPkgId is NULL"); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + if(pData == NULL || dataLen <= 0) { + WAE_SLOGE("Invalid Parameter. pData is NULL or invalid dataLen(%d)", dataLen); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + if(ppEncryptedData == NULL || pEncDataLen == NULL) { + WAE_SLOGE("Invalid Parameter. ppEncryptedData or pEncDataLen is NULL"); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + + // get APP_DEK. + // if not exists, create APP_DEK + ret = get_app_dek(pPkgId, &pDek, &dekLen); + if(ret == WAE_ERROR_NO_KEY) { + ret = create_app_dek(pPkgId, &pDek, &dekLen); + } + if(ret != WAE_ERROR_NONE) { + goto error; + } + + // encrypt + ret = encrypt_aes_cbc(pDek, dekLen, pData, dataLen, ppEncryptedData, pEncDataLen); + if(ret != WAE_ERROR_NONE) { + goto error; + } + +error: + if(pDek != NULL) + free(pDek); + + return ret; +} + +int _wae_decrypt_downloaded_web_application(const char* pPkgId, + const unsigned char* pData, size_t dataLen, + unsigned char** ppDecryptedData, size_t* pDecDataLen) +{ + int ret = WAE_ERROR_NONE; + unsigned char *pDek = NULL; + size_t dekLen = -1; + + if(pPkgId == NULL) { + WAE_SLOGE("Invalid Parameter. pPkgId is NULL"); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + if(pData == NULL || dataLen <= 0) { + WAE_SLOGE("Invalid Parameter. pData is NULL or invalid dataLen(%d)", dataLen); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + if(ppDecryptedData == NULL || pDecDataLen == NULL) { + WAE_SLOGE("Invalid Parameter. ppDecryptedData or pDecDataLen is NULL"); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + + ret = get_app_dek(pPkgId, &pDek, &dekLen); + if(ret != WAE_ERROR_NONE) { + goto error; + } + + // decrypt + ret = decrypt_aes_cbc(pDek, dekLen, pData, dataLen, ppDecryptedData, pDecDataLen); + if(ret != WAE_ERROR_NONE) { + goto error; + } + +error: + if(pDek != NULL) + free(pDek); + + return ret; +} + +int _wae_encrypt_preloaded_web_application(const char* pPkgId, + const unsigned char* pData, size_t dataLen, + unsigned char** ppEncryptedData, size_t* pEncDataLen) +{ + + int ret = WAE_ERROR_NONE; + unsigned char *pDek = NULL; + size_t dekLen = -1; + + if(pPkgId == NULL) { + WAE_SLOGE("Invalid Parameter. pPkgId is NULL"); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + if(pData == NULL || dataLen <= 0) { + WAE_SLOGE("Invalid Parameter. pData is NULL or invalid dataLen(%d)", dataLen); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + if(ppEncryptedData == NULL || pEncDataLen == NULL) { + WAE_SLOGE("Invalid Parameter. ppEncryptedData or pEncDataLen is NULL"); + ret = WAE_ERROR_INVALID_PARAMETER; + goto error; + } + + ret = get_preloaded_app_dek(pPkgId, &pDek, &dekLen); + if(ret == WAE_ERROR_NO_KEY) { + ret = create_preloaded_app_dek(pPkgId, &pDek, &dekLen); + } + if(ret != WAE_ERROR_NONE) { + goto error; + } + + // encrypt + ret = encrypt_aes_cbc(pDek, dekLen, pData, dataLen, ppEncryptedData, pEncDataLen); + if(ret != WAE_ERROR_NONE) { + goto error; + } +error: + if(pDek != NULL) + free(pDek); + + return ret; +} + +int _wae_decrypt_preloaded_web_application(const char* pPkgId, + const unsigned char* pData, size_t dataLen, + unsigned char** ppDecryptedData, size_t* pDecDataLen) +{ + // same with the decryption of downloaded web application + return _wae_decrypt_downloaded_web_application(pPkgId, pData, dataLen, ppDecryptedData, pDecDataLen); +} + +int wae_encrypt_web_application(const char* pPkgId,int isPreloaded, + const unsigned char* pData, size_t dataLen, + unsigned char** ppEncryptedData, size_t* pEncDataLen) +{ + int ret = WAE_ERROR_NONE; + + if(isPreloaded) + ret = _wae_encrypt_preloaded_web_application(pPkgId, pData, dataLen, ppEncryptedData, pEncDataLen); + else + ret = _wae_encrypt_downloaded_web_application(pPkgId, pData, dataLen, ppEncryptedData, pEncDataLen); + + WAE_SLOGI("Encrypt Web App. pkgId=%s, isPreloaded=%d, dataLen=%d, ret=%d", + pPkgId, isPreloaded, dataLen, ret); + return ret; +} + +int wae_decrypt_web_application(const char* pPkgId, int isPreloaded, + const unsigned char* pData, size_t dataLen, + unsigned char** ppDecryptedData, size_t* pDecDataLen) +{ + int ret = WAE_ERROR_NONE; + + if(isPreloaded) + ret = _wae_decrypt_preloaded_web_application(pPkgId, pData, dataLen, ppDecryptedData, pDecDataLen); + else + ret =_wae_decrypt_downloaded_web_application(pPkgId, pData, dataLen, ppDecryptedData, pDecDataLen); + + WAE_SLOGI("Decrypt Web App. pkgId=%s, isPreloaded=%d, dataLen=%d, ret=%d", + pPkgId, isPreloaded, dataLen, ret); + return ret; +} + + +int wae_remove_app_dek(const char* pPkgId) +{ + int ret = WAE_ERROR_NONE; + ret = remove_app_dek(pPkgId); + WAE_SLOGI("Remove APP DEK. pkgId=%s, ret=%d", pPkgId, ret); + return ret; +} diff --git a/systemd/CMakeLists.txt b/systemd/CMakeLists.txt new file mode 100644 index 0000000..bf7bb79 --- /dev/null +++ b/systemd/CMakeLists.txt @@ -0,0 +1,8 @@ +CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/systemd/webappenc-initializer.service.in + ${CMAKE_SOURCE_DIR}/systemd/webappenc-initializer.service @ONLY) + +INSTALL(FILES + ${CMAKE_SOURCE_DIR}/systemd/webappenc-initializer.service + DESTINATION + ${SYSTEMD_UNIT_DIR} +) diff --git a/systemd/webappenc-initializer.service.in b/systemd/webappenc-initializer.service.in new file mode 100644 index 0000000..e9441d8 --- /dev/null +++ b/systemd/webappenc-initializer.service.in @@ -0,0 +1,12 @@ +[Unit] +Description=Import APP DEKs for Preloaded Web App Decryption +DefaultDependencies=no +Requires=central-key-manager.service +After=central-key-manager.service + +[Service] +Type=oneshot +ExecStart=/usr/bin/wae_initializer + +[Install] +WantedBy=multi-user.target diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt new file mode 100644 index 0000000..e1d0d6d --- /dev/null +++ b/tests/CMakeLists.txt @@ -0,0 +1,37 @@ +################################################################################ +# for wae_tests +################################################################################ + + +SET(WEB_APP_ENC_TEST_SOURCES + ${CMAKE_CURRENT_SOURCE_DIR}/wae_tests.c +) + +INCLUDE_DIRECTORIES( + ${WEB_APP_ENC_DEPS_INCLUDE_DIRS} + ${CMAKE_CURRENT_SOURCE_DIR} + ${PROJECT_SOURCE_DIR}/include + ${PROJECT_SOURCE_DIR}/srcs +) + +ADD_EXECUTABLE(${TARGET_WEBAPPENC_TEST} ${WEB_APP_ENC_TEST_SOURCES}) + + +TARGET_LINK_LIBRARIES(${TARGET_WEBAPPENC_TEST} + ${WEB_APP_ENC_DEPS_LIBRARIES} + ${TARGET_WEBAPPENC} +) + + +INSTALL(TARGETS ${TARGET_WEBAPPENC_TEST} + DESTINATION ${BINDIR} + PERMISSIONS OWNER_READ + OWNER_WRITE + OWNER_EXECUTE + GROUP_READ + GROUP_EXECUTE + WORLD_READ + WORLD_EXECUTE +) + + diff --git a/tests/wae_tests.c b/tests/wae_tests.c new file mode 100644 index 0000000..49b6b32 --- /dev/null +++ b/tests/wae_tests.c @@ -0,0 +1,815 @@ +/* + * Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License + * + * + * @file wae_tests.c + * @author Dongsun Lee (ds73.lee@samsung.com) + * @version 1.0 + * @brief internal test cases for libwebappenc. + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#include "web_app_enc.h" +#include "key_handler.h" +#include "crypto_service.h" + +#include <tzplatform_config.h> + +static size_t tc_seq = 0; +static size_t tc_succ = 0; +static size_t tc_fail = 0; + +#define FPRINTF(format, args...) fprintf(stdout, format, ##args) + +static int RUNTC(int (*tc_method)(), const char* tc_name) +{ + int ret = WAE_ERROR_NONE; + FPRINTF("[%02d:%s]started...\n", tc_seq, tc_name); + ret = tc_method(); + if(ret == WAE_ERROR_NONE) { + FPRINTF("[%02d:%s]ended. SUCCESS\n\n", tc_seq, tc_name); + tc_succ++; + } else { + FPRINTF("[%02d:%s]ended. FAIL. error=%d\n\n", tc_seq, tc_name, ret); + tc_fail++; + } + tc_seq++; + return ret; +} + +static void PRINT_TC_SUMMARY() +{ + FPRINTF("\n"); + FPRINTF("===============================================\n"); + FPRINTF(" TOTAL = %d, SUCCESS = %d, FAIL = %d\n", tc_seq, tc_succ, tc_fail); + FPRINTF("===============================================\n"); +} + +void _print_binary_to_hex(const char* msg, unsigned char* bin, size_t len) +{ + size_t i = 0; + FPRINTF("%s", msg); + for(i=0; i<len; i++) { + FPRINTF("%02x", bin[i]); + } + FPRINTF("\n"); +} + +int _compare_binary(const unsigned char* b1, size_t b1Len, const unsigned char* b2, size_t b2Len) +{ + size_t i = 0; + if(b1Len != b2Len) + return b1Len - b2Len; + for(i=0; i<b1Len; i++) { + if(b1[i] != b2[i]) + return b1[i] - b2[i]; + } + return 0; +} + + +//================================================================================= +// tests for crypto_service.h +//================================================================================= +int wae_tc_encrypt_decrypt_app_dek() +{ + int ret = WAE_ERROR_NONE; + unsigned char dek[32]; + unsigned char* encryptedDek = NULL; + size_t encryptedDekLen = 0; + unsigned char* decryptedDek = NULL; + size_t decryptedDekLen = 0; + + const char* priKey = + "-----BEGIN RSA PRIVATE KEY-----\n" + "MIIEpgIBAAKCAQEA0kWtjpRO7Zh2KX2naVE/BDJdrfwK9xexfNA0MkY2VJ4J2AKM\n" + "YTj1D1jntceryupCEHOvP3rum+WsFvPXduz9+VKnSsSqj4jcTUubtpDUGA5G79Iq\n" + "LEPFuSBaqI8Uwkzd08pE+s30oaJDnNazMhSq8JkqBPoCCwtUs73ruE9VbtsBO/kT\n" + "lASIAfe8nXqcJLcDQgWYhizjJw0Pi6d74oCwS2OTvQDNvsXfFnA0ZJEEYw/rZLir\n" + "j7OHoOjz+Sh5N+1uA3Up6SPPEbHuP6L12YxqHdy7gnJXodLhvE/cR4SN9VW7+qmC\n" + "MBjmLkBejGrEX3STS9sLI7MZHu9Y26dwuYb4+wIDAQABAoIBAQCwxqV/vc2RUGDe\n" + "xuXM0+IvrAw37jJlw4SS0xNexMp+XxMViCbuwYy851h96azS/himbiuCKd6aL/96\n" + "mGunbtyiFEvSvv5Jh5z2Wr9BQAcfZjla+4w7BIsg9UNifE/OfgLsQBu34xhsHtfK\n" + "7nFehCOl/I5n+qtnD5KZPe0DWacQdwY4vEAj6YyXdb2bBg+MiwE9KVxGEIUDbklh\n" + "Is70JXczjLZCS+lIpOKh0/lbZmBZePoUbVTtS+GvtPTpQC/aTHRkwGoEtuPEWpbL\n" + "0Q1d6zO+vDJVLJlb5FF2haghs8IlqAxkkPjeUTNye+WktRrDQxmPu/blbxQrygfq\n" + "Au5tBnsxAoGBAOiVtcpg32puo3Yq2Y78oboe9PuHaQP0d3DhwP3/7J0BeNslpjW7\n" + "E1LWsVsCanxTE8XPUdFfAWgMk7lQqESN0wawGmSmWk+eQPZdjHanBaC8vh7aKjo6\n" + "q9FdT1DKjrRi23QyDco3f3E7hvM93IAAhw1ikNu8DT19JAxtdeMh5WAZAoGBAOdw\n" + "6neEvIFXh3RWEv2/GKVhVR8mxDqxmuFdXpOF+YWsK0Tg4uC8jm9kUGnwXgT2Mjke\n" + "oAwYAFcRbHQQGsxy/vkV16kv4aurTE2hMpjeXCAakwV0Pi2w1f9WnDokjgORkOmc\n" + "+QK9I8egdFPMVDfQjhLslhSUY0Eb4qcJ6q9WxfQzAoGBANSsAFybk+7oWAO3TtQW\n" + "YXOk1vIgcYAyS/0mEKixGZS/QdlxZbf/5b17nxTO8rvX416fIftG2ixgQ7vR6us0\n" + "m9+jq56ZFj9zP4eHJudf9h9yNo5TgwVXnMCGh/4iGbcMJgrrsfxUHu5VNiK5UCSj\n" + "VtqAZGDoZVryUMIkXQVhezIRAoGBAN7QUIqcGbcUA24257Wu4hVlrUN+WPCAyDEr\n" + "aL/x/ZV5eXaoYwQlw6LuGpTDOmDgfN2M5FyARuOL/LOIRaSLGXnIU4WoeUSCd8VM\n" + "6Z9Og7bMnrpjfPEUDBH02hcH1kkNPUwLOZgva2Dm0tdSIcpSWFVTu/E4Io4uQHi8\n" + "DVqc2ZsNAoGBAJT76ezXNSSv8hnrKqTpwgTicpqhRZ3eFQjyl4HRL26AJMKv++x8\n" + "4/IsVIwxaHzpbN3nnCjmAHV4gX9YpxVnvYcZflC9WZeDkwNMLmPYb3Zg27EzSMfQ\n" + "8yrfWJZo3qobipcHf1yohAt4fHk9kUKtPHEwp0xKe//rfhswLb3VCzvQ\n" + "-----END RSA PRIVATE KEY-----"; + const char* pubKey = + "-----BEGIN PUBLIC KEY-----\n" + "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0kWtjpRO7Zh2KX2naVE/\n" + "BDJdrfwK9xexfNA0MkY2VJ4J2AKMYTj1D1jntceryupCEHOvP3rum+WsFvPXduz9\n" + "+VKnSsSqj4jcTUubtpDUGA5G79IqLEPFuSBaqI8Uwkzd08pE+s30oaJDnNazMhSq\n" + "8JkqBPoCCwtUs73ruE9VbtsBO/kTlASIAfe8nXqcJLcDQgWYhizjJw0Pi6d74oCw\n" + "S2OTvQDNvsXfFnA0ZJEEYw/rZLirj7OHoOjz+Sh5N+1uA3Up6SPPEbHuP6L12Yxq\n" + "Hdy7gnJXodLhvE/cR4SN9VW7+qmCMBjmLkBejGrEX3STS9sLI7MZHu9Y26dwuYb4\n" + "+wIDAQAB\n" + "-----END PUBLIC KEY-----"; + + ret = encrypt_app_dek((const unsigned char*) pubKey, strlen(pubKey), + dek, sizeof(dek), &encryptedDek, &encryptedDekLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: encrypt_app_dek. ret=%d\n", ret); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + ret = decrypt_app_dek((const unsigned char*) priKey, strlen(priKey), NULL, + encryptedDek, encryptedDekLen, &decryptedDek, &decryptedDekLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: decrypt_app_dek. ret=%d\n", ret); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + _print_binary_to_hex("...ORIG DEK= ", dek, sizeof(dek)); + _print_binary_to_hex("...ENC DEK= ", encryptedDek, encryptedDekLen); + _print_binary_to_hex("...DEC DEK= ", decryptedDek, decryptedDekLen); + + if(_compare_binary(dek, sizeof(dek), decryptedDek, decryptedDekLen) != 0) { + FPRINTF("...FAIL: ORIG DEK != decrypted DEK\n"); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + ret = WAE_ERROR_NONE; + +error: + if(encryptedDek != NULL) + free(encryptedDek); + if(decryptedDek != NULL) + free(decryptedDek); + + return ret; +} + +int wae_tc_encrypt_decrypt_aes_cbc() +{ + int ret = WAE_ERROR_NONE; + + unsigned char dek[32] = {0, }; + size_t keyLen = 32; + const char* plaintext= "adbdfdfdfdfdererfdfdfererfdrerfdrer"; + size_t plaintextLen = strlen(plaintext); + unsigned char* encrypted = NULL; + size_t encLen = 0; + unsigned char* decrypted = NULL; + size_t decLen = 0; + char decrypted_str[1024] = {0, }; + + ret = _get_random(keyLen, dek); + + ret = encrypt_aes_cbc(dek, keyLen, (const unsigned char*)plaintext, plaintextLen, &encrypted, &encLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: encrypt_aes_cbc. ret=%d\n", ret); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + ret = decrypt_aes_cbc(dek, keyLen, encrypted, encLen, &decrypted, &decLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: decrypt_aes_cbc. ret=%d\n", ret); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + if(plaintextLen != decLen) { + FPRINTF("...FAIL: plaintextLen(%d) != decLen(%d)\n", plaintextLen, decLen); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + memcpy(decrypted_str, decrypted, decLen); + FPRINTF("...plaintext = %s\n", plaintext); + FPRINTF("...decrypted = %s\n", decrypted_str); + if(strcmp(plaintext, decrypted_str) != 0) { + FPRINTF("...FAIL: plaintext(%s) != decrypted(%s)\n", plaintext, decrypted_str); + ret = WAE_ERROR_CRYPTO; + goto error; + } + +error: + if(encrypted != NULL) + free(encrypted); + if(decrypted != NULL) + free(decrypted); + + return ret; +} + +//================================================================================= +// tests for key_handler.h +//================================================================================= +int wae_tc_cache() +{ + int ret = WAE_ERROR_NONE; + + const char* pkg1 = "pkg1"; + const char* pkg2 = "pkg2"; + const char* pkg3 = "pkg3"; + const char* pkgDummy = "dummy"; + + unsigned char dek1[32] = {1, }; + unsigned char dek2[32] = {2, }; + unsigned char dek3[32] = {3, }; + unsigned char* retDek = NULL; + + _initialize_cache(); + + _add_app_dek_to_cache(pkg1, dek1); + _add_app_dek_to_cache(pkg2, dek2); + _add_app_dek_to_cache(pkg3, dek3); + + retDek = NULL; + retDek = _get_app_dek_from_cache(pkg1); + if(retDek == NULL || _compare_binary(dek1, 32, retDek, 32) != 0) { + FPRINTF("failed in cache. Diffent DEK1\n"); + ret = WAE_ERROR_UNKNOWN; + goto error; + } + _print_binary_to_hex("...DEK1 : ", dek1, 32); + _print_binary_to_hex("...Returen DEK1 : ", retDek, 32); + + retDek = NULL; + retDek = _get_app_dek_from_cache(pkg2); + if(retDek == NULL || _compare_binary(dek2, 32, retDek, 32) != 0) { + FPRINTF("failed in cache. Diffent DEK2\n"); + ret = WAE_ERROR_UNKNOWN; + goto error; + } + _print_binary_to_hex("...DEK2 : ", dek2, 32); + _print_binary_to_hex("...Returen DEK1 : ", retDek, 32); + + retDek = NULL; + retDek = _get_app_dek_from_cache(pkg3); + if(retDek == NULL || _compare_binary(dek3, 32, retDek, 32) != 0) { + FPRINTF("failed in cache. Diffent DEK3\n"); + ret = WAE_ERROR_UNKNOWN; + goto error; + } + _print_binary_to_hex("...DEK3 : ", dek3, 32); + _print_binary_to_hex("...Returen DEK3 : ", retDek, 32); + + retDek = NULL; + retDek = _get_app_dek_from_cache(pkgDummy); + if(retDek != NULL) { + FPRINTF("failed in cache. Wrong DEK_DUMMY1 returned\n"); + _print_binary_to_hex("retured wrong DEK : ", retDek, 32); + ret = WAE_ERROR_UNKNOWN; + goto error; + } + + _remove_app_dek_from_cache(pkg3); + retDek = NULL; + retDek = _get_app_dek_from_cache(pkg3); + if(retDek != NULL) { + FPRINTF("fail to remove app dek from cache\n"); + ret = WAE_ERROR_UNKNOWN; + goto error; + } + + _initialize_cache(); + + _add_app_dek_to_cache(pkg1, dek1); + + retDek = NULL; + retDek = _get_app_dek_from_cache(pkg2); + if(retDek != NULL) { + FPRINTF("failed in cache. Wrong DEK_DUMMY2 returned\n"); + _print_binary_to_hex("retured wrong DEK : ", retDek, 32); + ret = WAE_ERROR_UNKNOWN; + goto error; + } + + ret = WAE_ERROR_NONE; +error: + return ret; +} + +int wae_tc_get_random() +{ + int ret = WAE_ERROR_NONE; + + size_t rand_len = 32; + unsigned char random[32] = {0, }; + + ret = _get_random(rand_len, random); + + _print_binary_to_hex("...RANDOM = ", random, sizeof(random)); + + return ret; +} + +int wae_tc_get_alias() +{ + int ret = WAE_ERROR_NONE; + + const char* pkgId = "TEST_PKG_ID"; + char sys_alias[256] = {0, }; + + _get_alias(pkgId, sys_alias, sizeof(sys_alias)); + + FPRINTF("...pkgid=%s, system alias=%s\n", pkgId, sys_alias); + + return ret; +} + +int wae_tc_add_get_remove_dek() +{ + int ret = WAE_ERROR_NONE; + + const char* pkgId = "TEST_PKG_ID"; + + size_t dekLen= 32; + unsigned char dek[32] = {0, }; + size_t storedDekLen = 0; + unsigned char* storedDek = NULL; + + ret = _get_random(dekLen, dek); + + remove_app_dek(pkgId); + + ret = _add_dek_to_key_manager(pkgId, dek, dekLen); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: _add_dek_to_key_manager. ret=%d\n", ret); + goto error; + } + + ret = get_app_dek(pkgId, &storedDek, &storedDekLen); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: get_app_dek. ret=%d\n", ret); + goto error; + } + + if(_compare_binary(dek, dekLen, storedDek, storedDekLen) != 0 ) { + ret = WAE_ERROR_KEY_MANAGER; + FPRINTF("...FAIL: DEK != STORED_DEK.\n"); + goto error; + } + + ret = remove_app_dek(pkgId); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: remove_app_dek. ret=%d\n", ret); + goto error; + } + + ret = get_app_dek(pkgId, &storedDek, &storedDekLen); + if(ret == WAE_ERROR_NONE) { + ret = WAE_ERROR_UNKNOWN; + FPRINTF("...FAIL: APP DEK still exists in key_manager.\n"); + goto error; + } + + ret = WAE_ERROR_NONE; +error: + if(storedDek != NULL) + free(storedDek); + + return ret; +} + +int wae_tc_get_preloaded_app_dek_file_path() +{ + int ret = WAE_ERROR_NONE; + + const char *pkgId = "test_pkg"; + const char *expectedPath = tzplatform_mkpath4(TZ_SYS_SHARE, + "wae", "app_dek", "WAE_APP_DEK_test_pkg.adek"); + char path[100]; + + ret = _get_preloaded_app_dek_file_path(pkgId, path); + FPRINTF("...expected path : %s\n", expectedPath); + FPRINTF("...returned path : %s\n", path); + + if(ret != WAE_ERROR_NONE || strncmp(expectedPath, path, strlen(expectedPath)) != 0) { + ret = WAE_ERROR_UNKNOWN; + goto error; + } +error: + return ret; +} + +int wae_tc_extract_pkg_id_from_file_name() +{ + int ret = WAE_ERROR_NONE; + const char* fileName = "WAE_APP_DEK_test_pkg.adek"; + const char* expectedPkgId = "test_pkg"; + char pkgId[100]; + + ret = _extract_pkg_id_from_file_name(fileName, pkgId); + FPRINTF("...expected pkgId: %s\n", expectedPkgId); + FPRINTF("...returned pkgId: %s\n", pkgId); + + if(ret != WAE_ERROR_NONE || strncmp(expectedPkgId, pkgId, strlen(expectedPkgId)) != 0) { + ret = WAE_ERROR_UNKNOWN; + goto error; + } +error: + return ret; + +} + +int wae_tc_read_write_encrypted_app_dek() +{ + int ret = WAE_ERROR_NONE; + const char* pkgId = "write_test_pkg"; + unsigned char dek[256]; + unsigned char* readDek = NULL; + size_t readDekLen = 0; + + ret = _write_encrypted_app_dek_to_file(pkgId, dek, sizeof(dek)); + if(ret != WAE_ERROR_NONE) { + FPRINTF("Fail to _write_encrypted_app_dek_to_file. pkgId=%s\n", pkgId); + goto error; + } + + ret = _read_encrypted_app_dek_from_file(pkgId, &readDek, &readDekLen); + if(ret != WAE_ERROR_NONE) { + FPRINTF("Fail to _read_encrypted_app_dek_from_file. pkgId=%s\n", pkgId); + goto error; + } + + _print_binary_to_hex("...ORIG DEK= ", dek, sizeof(dek)); + _print_binary_to_hex("...READ DEK= ", readDek, readDekLen); + if(_compare_binary(dek, sizeof(dek), readDek, readDekLen) != 0 ) { + ret = WAE_ERROR_UNKNOWN; + FPRINTF("...FAIL: DEK != read_DEK.\n"); + goto error; + } + +error: + if(readDek != NULL) + free(readDek); + return ret; +} + + +int wae_tc_create_app_dek() +{ + int ret = WAE_ERROR_NONE; + + const char* pkgId = "TEST_PKG_ID"; + unsigned char* dek = NULL; + size_t dekLen = 0; + + size_t storedDekLen = 0; + unsigned char* storedDek = NULL; + + remove_app_dek(pkgId); + + ret = create_app_dek(pkgId, &dek, &dekLen); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: create_app_dek. ret=%d\n", ret); + goto error; + } + + ret = get_app_dek(pkgId, &storedDek, &storedDekLen); + if(ret != WAE_ERROR_NONE) { + ret = WAE_ERROR_KEY_MANAGER; + FPRINTF("...FAIL: get_app_dek. ret=%d\n", ret); + goto error; + } + + _print_binary_to_hex("...CREATED DEK = ", dek, dekLen); + _print_binary_to_hex("...STORED DEK = ", storedDek, storedDekLen); + if(_compare_binary(dek, dekLen, storedDek, storedDekLen) != 0 ) { + ret = WAE_ERROR_FILE; + FPRINTF("...FAIL: DEK != STORED_DEK.\n"); + goto error; + } + + remove_app_dek(pkgId); + + ret = WAE_ERROR_NONE; +error: + if(dek != NULL) + free(dek); + if(storedDek != NULL) + free(storedDek); + return ret; +} + +int wae_tc_get_create_preloaded_app_dek() +{ + int ret = WAE_ERROR_NONE; + + const char* pkgId = "TEST_PKG_ID_FOR_CREATE"; + unsigned char *dek = NULL; + unsigned char *readDek = NULL; + size_t readDekLen = 0; + size_t dekLen = 0; + + ret = get_preloaded_app_dek(pkgId, &readDek, &readDekLen); + if(ret != WAE_ERROR_NO_KEY) { + FPRINTF("...FAIL: There should be no APP DEK. get_preloaded_app_dek. ret=%d\n", ret); + ret = WAE_ERROR_FILE; + goto error; + } + + ret = create_preloaded_app_dek(pkgId, &dek, &dekLen); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: create_preloaded_app_dek. ret=%d\n", ret); + goto error; + } + + ret = get_preloaded_app_dek(pkgId, &readDek, &readDekLen); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: get_preloaded_app_dek. ret=%d\n", ret); + goto error; + } + + _print_binary_to_hex("...CREATED DEK = ", dek, dekLen); + _print_binary_to_hex("...READ DEK = ", readDek, readDekLen); + + if(_compare_binary(dek, dekLen, readDek, readDekLen) != 0 ) { + ret = WAE_ERROR_FILE; + FPRINTF("...FAIL: DEK != READ_DEK.\n"); + goto error; + } + + ret = WAE_ERROR_NONE; +error: + if(dek != NULL) + free(dek); + if(readDek != NULL) + free(readDek); + return ret; +} + +int wae_tc_load_preloaded_app_deks() +{ + int ret = WAE_ERROR_NONE; + + const char* pkgId1 = "TEST_PKGID_1"; + unsigned char* dek1 = NULL; + size_t dekLen1 = 0; + unsigned char* readDek1 = NULL; + size_t readDekLen1 = 0; + char path1[MAX_PATH_LEN] = {0, }; + FILE *f1 = NULL; + + const char* pkgId2 = "TEST_PKGID_2"; + unsigned char* dek2 = NULL; + size_t dekLen2 = 0; + unsigned char* readDek2 = NULL; + size_t readDekLen2 = 0; + char path2[MAX_PATH_LEN] = {0, }; + FILE *f2 = NULL; + + _get_preloaded_app_dek_file_path(pkgId1, path1); + _get_preloaded_app_dek_file_path(pkgId2, path2); + + // remove old test data + remove_app_dek(pkgId1); + remove_app_dek(pkgId2); + unlink(path1); + unlink(path2); + + // create 2 dek for preloaded app + ret = create_preloaded_app_dek(pkgId1, &dek1, &dekLen1); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: create_preloaded_app_dek. ret=%d\n", ret); + goto error; + } + + ret = create_preloaded_app_dek(pkgId2, &dek2, &dekLen2); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: create_preloaded_app_dek. ret=%d\n", ret); + goto error; + } + + // load_preloaded_app_deks + ret = load_preloaded_app_deks(WAE_TRUE); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: load_preloaded_app_deks. ret=%d\n", ret); + goto error; + } + + // get_app_dek + ret = get_app_dek(pkgId1, &readDek1, &readDekLen1); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: get_app_dek. ret=%d\n", ret); + goto error; + } + + ret = get_app_dek(pkgId2, &readDek2, &readDekLen2); + if(ret != WAE_ERROR_NONE) { + FPRINTF("...FAIL: get_app_dek. ret=%d\n", ret); + goto error; + } + + _print_binary_to_hex("...CREATED DEK1 = ", dek1, dekLen1); + _print_binary_to_hex("...READ DEK1 = ", readDek1, readDekLen1); + if(_compare_binary(dek1, dekLen1, readDek1, readDekLen1) != 0 ) { + ret = WAE_ERROR_FILE; + FPRINTF("...FAIL: DEK1 != READ_DEK1.\n"); + goto error; + } + + _print_binary_to_hex("...CREATED DEK2 = ", dek2, dekLen2); + _print_binary_to_hex("...READ DEK2 = ", readDek2, readDekLen2); + if(_compare_binary(dek2, dekLen2, readDek2, readDekLen2) != 0 ) { + ret = WAE_ERROR_FILE; + FPRINTF("...FAIL: DEK2 != READ_DEK2.\n"); + goto error; + } + + // remove_app_dek + remove_app_dek(pkgId1); + remove_app_dek(pkgId2); + + ret = WAE_ERROR_NONE; +error: + if(dek1 != NULL) + free(dek1); + if(readDek1 != NULL) + free(readDek1); + if(f1 != NULL) + fclose(f1); + if(dek2 != NULL) + free(dek2); + if(readDek2 != NULL) + free(readDek2); + if(f2 != NULL) + fclose(f2); + + return ret; +} + + +int wae_tc_encrypt_decrypt_web_application() +{ + int ret = WAE_ERROR_NONE; + + const char* pkgId1 = "testpkg_for_downloaded"; + const char* pkgId2 = "testpkg_for_preloaded"; + const char* plaintext= "adbdfdfdfdfdererfdfdfererfdrerfdrer"; + size_t plaintextLen = strlen(plaintext); + unsigned char* encrypted = NULL; + size_t encLen = 0; + unsigned char* decrypted = NULL; + size_t decLen = 0; + char decrypted_str[1024] = {0, }; + + int isPreloaded = 0; // Downloaded + + // remove old test data + ret = wae_remove_app_dek(pkgId1); + ret = wae_remove_app_dek(pkgId2); + ret = _clear_app_deks_loaded(); + + // test for downloaded web application + ret = wae_encrypt_web_application(pkgId1, isPreloaded, + (const unsigned char*)plaintext, plaintextLen, + &encrypted, &encLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: wae_encrypt_web_application. ret=%d\n", ret); + goto error; + } + + _remove_app_dek_from_cache(pkgId1); + + ret = wae_decrypt_web_application(pkgId1, isPreloaded, encrypted, encLen, &decrypted, &decLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: wae_decrypt_web_application. ret=%d\n", ret); + goto error; + } + + if(plaintextLen != decLen) { + FPRINTF("...FAIL: plaintextLen(%d) != decLen(%d)\n", plaintextLen, decLen); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + memcpy(decrypted_str, decrypted, decLen); + FPRINTF("...plaintext(downloaded) = %s\n", plaintext); + FPRINTF("...decrypted(downloaded) = %s\n", decrypted_str); + if(strcmp(plaintext, decrypted_str) != 0) { + FPRINTF("...FAIL: plaintext(%s) != decrypted(%s)\n", plaintext, decrypted_str); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + ret = wae_remove_app_dek(pkgId1); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: wae_remove_app_dek. ret=%d\n", ret); + goto error; + } + + + // test for preloaded web application + isPreloaded = 1; + + ret = wae_encrypt_web_application(pkgId2, isPreloaded, + (const unsigned char*)plaintext, plaintextLen, + &encrypted, &encLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: wae_encrypt_web_application. ret=%d\n", ret); + goto error; + } + // encrypt test twice + ret = wae_encrypt_web_application(pkgId2, isPreloaded, + (const unsigned char*)plaintext, plaintextLen, + &encrypted, &encLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: wae_encrypt_web_application2. ret=%d\n", ret); + goto error; + } + + ret = wae_decrypt_web_application(pkgId2, isPreloaded, encrypted, encLen, &decrypted, &decLen); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: wae_decrypt_web_application. ret=%d\n", ret); + goto error; + } + + _remove_app_dek_from_cache(pkgId2); + + if(plaintextLen != decLen) { + FPRINTF("...FAIL: plaintextLen(%d) != decLen(%d)\n", plaintextLen, decLen); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + memcpy(decrypted_str, decrypted, decLen); + FPRINTF("...plaintext(preloaded) = %s\n", plaintext); + FPRINTF("...decrypted(preloaded) = %s\n", decrypted_str); + if(strcmp(plaintext, decrypted_str) != 0) { + FPRINTF("...FAIL: plaintext(%s) != decrypted(%s)\n", plaintext, decrypted_str); + ret = WAE_ERROR_CRYPTO; + goto error; + } + + ret = wae_remove_app_dek(pkgId2); + if(ret != WAE_ERROR_NONE){ + FPRINTF("...FAIL: wae_remove_app_dek. ret=%d\n", ret); + goto error; + } + +error: + if(encrypted != NULL) + free(encrypted); + if(decrypted != NULL) + free(decrypted); + + return ret; +} + + +int run_test_cases() +{ + RUNTC(wae_tc_encrypt_decrypt_app_dek, "wae_tc_encrypt_decrypt_app_dek"); + RUNTC(wae_tc_encrypt_decrypt_aes_cbc, "wae_tc_encrypt_decrypt_aes_cbc"); + RUNTC(wae_tc_cache, "wae_tc_cache"); + + RUNTC(wae_tc_get_random, "wae_tc_get_random"); + RUNTC(wae_tc_get_alias, "wae_tc_get_alias"); + RUNTC(wae_tc_add_get_remove_dek, "wae_tc_add_get_remove_dek"); + RUNTC(wae_tc_get_preloaded_app_dek_file_path, "wae_tc_get_preloaded_app_dek_file_path"); + RUNTC(wae_tc_extract_pkg_id_from_file_name, "wae_tc_extract_pkg_id_from_file_name"); + RUNTC(wae_tc_read_write_encrypted_app_dek, "wae_tc_read_write_encrypted_app_dek"); + RUNTC(wae_tc_create_app_dek, "wae_tc_create_app_dek"); + RUNTC(wae_tc_get_create_preloaded_app_dek, "wae_tc_get_create_preloaded_app_dek"); + RUNTC(wae_tc_load_preloaded_app_deks, "wae_tc_load_preloaded_app_deks"); + RUNTC(wae_tc_encrypt_decrypt_web_application, "wae_tc_encrypt_decrypt_web_application"); + + PRINT_TC_SUMMARY(); + return 0; +} + +int main(void) +{ + int ret = 0; + + ret = run_test_cases(); + + return ret; +} |