diff options
Diffstat (limited to 'srcs/SecCryptoSvc.c')
| -rwxr-xr-x[-rw-r--r--] | srcs/SecCryptoSvc.c | 179 |
1 files changed, 90 insertions, 89 deletions
diff --git a/srcs/SecCryptoSvc.c b/srcs/SecCryptoSvc.c index 418208e..9ce42a3 100644..100755 --- a/srcs/SecCryptoSvc.c +++ b/srcs/SecCryptoSvc.c @@ -1,89 +1,90 @@ -/*
- * libcryptsvc - device unique key
- *
- * Copyright (c) 2000 - 2013 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.
- *
- */
-
-#include "SecCryptoSvc.h"
-//#include "SecKmBase64.h"
-//#include "CryptoSvc-debug.h"
-#include <string.h>
-#include <stdio.h>
-#include <openssl/evp.h>
-#include <openssl/err.h>
-#include <openssl/rand.h>
-#include <openssl/sha.h>
-#include <dlog.h>
-
-bool SecFrameGeneratePlatformUniqueKey(IN UINT32 uLen, IN OUT UINT8 *pCek)
-{
- bool bResult = true;
- unsigned int i = 0;
- unsigned char Key[73] = {0};
- unsigned char hashedValue[HASH_LEN] = {0};
- int nTempLen = SEC_DUK_SIZE;
- int nHashLen = 0;
- int remain = 0;
- unsigned char *result = NULL;
-
- SLOGD("[LOG][%s:L%d] Enter \n", __func__,__LINE__);
-#ifdef CRYPTOSVC_TARGET
- SysSecBootGetDeviceUniqueKey(Key);
-#else
- memset(Key, 0xFF, nTempLen);
-#endif
-
- /* for debugging */
- SLOGD("Device Unique Key Information \n");
-
- memcpy(Key+nTempLen, SEC_FRAME_OSP_KEY, 9);
- nTempLen += 9;
-
- remain = uLen;
-
- for( i = 0 ; i < uLen ; i += HASH_LEN )
- {
- result = SHA1(Key, nTempLen, hashedValue);
- nHashLen = HASH_LEN;
-
- if( result == NULL)
- {
- SLOGE("SecCryptoHash fail \n");
- bResult = false;
- goto ERR;
- }
-
- nTempLen = nHashLen;
-
- if( remain < HASH_LEN )
- {
- memcpy(pCek+i, hashedValue, remain);
- }
- else
- {
- memcpy(pCek+i, hashedValue, nHashLen);
- }
-
- remain -= HASH_LEN;
- memset(Key, 0, sizeof(Key));
- memcpy(Key, hashedValue, nHashLen);
- }
- SLOGD("[LOG][%s:L%d] End \n", __func__,__LINE__);
-ERR:
- SLOGD("[LOG][%s:L%d] End with ERROR \n", __func__,__LINE__);
- return bResult;
-}
-
+/* + * libcryptsvc - device unique key + * + * Copyright (c) 2000 - 2013 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. + * + */ + +#include "SecCryptoSvc.h" +//#include "SecKmBase64.h" +//#include "CryptoSvc-debug.h" +#include <string.h> +#include <stdio.h> +#include <openssl/evp.h> +#include <openssl/err.h> +#include <openssl/rand.h> +#include <openssl/sha.h> +#include <dlog.h> + +bool SecFrameGeneratePlatformUniqueKey(IN UINT32 uLen, IN OUT UINT8 *pCek) +{ + bool bResult = true; + unsigned int i = 0; + unsigned char Key[73] = {0}; + unsigned char hashedValue[HASH_LEN] = {0}; + int nTempLen = SEC_DUK_SIZE; + int nHashLen = 0; + int remain = 0; + unsigned char *result = NULL; + + SLOGD("[LOG][%s:L%d] Enter \n", __func__,__LINE__); +#ifdef CRYPTOSVC_TARGET + SysSecBootGetDeviceUniqueKey(Key); +#else + memset(Key, 0xFF, nTempLen); +#endif + + /* for debugging */ + SLOGD("Device Unique Key Information \n"); + + memcpy(Key+nTempLen, SEC_FRAME_OSP_KEY, 9); + nTempLen += 9; + + remain = uLen; + + for( i = 0 ; i < uLen ; i += HASH_LEN ) + { + result = SHA1(Key, nTempLen, hashedValue); + nHashLen = HASH_LEN; + + if( result == NULL) + { + SLOGE("SecCryptoHash fail \n"); + bResult = false; + goto ERR; + } + + nTempLen = nHashLen; + + if( remain < HASH_LEN ) + { + memcpy(pCek+i, hashedValue, remain); + } + else + { + memcpy(pCek+i, hashedValue, nHashLen); + } + + remain -= HASH_LEN; + memset(Key, 0, sizeof(Key)); + memcpy(Key, hashedValue, nHashLen); + } + SLOGD("[LOG][%s:L%d] End \n", __func__,__LINE__); +ERR: + SLOGD("[LOG][%s:L%d] End with ERROR \n", __func__,__LINE__); + return bResult; +} + + |