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/*
* 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.
*
*/
#ifndef _SEC_TZ_SVC_H
#define _SEC_TZ_SVC_H
#ifdef __cplusplus
extern "C"
{
#endif
typedef unsigned int uint32_t;
typedef unsigned char uint8_t;
typedef unsigned int TZCRYPT_Result;
typedef unsigned char TZCRYPT_UINT8;
typedef unsigned int TZCRYPT_UINT32;
typedef unsigned long TZCRYPT_UINT64;
#define SHA256_DIGEST_VALUE_LEN 32
/*
* This function provides an encryption of user data.
*
* @param [in] Src : User data to be encrypted
* @param [in] SrcLen : Length of user data to be encrypted (multiple by chunk size, SIZE_CHUNK)
* @param [out] Dst : Encrypted data
* @param [out] *DstLen : a pointer to length of encrypted data (multiple by secure object size, SIZE_SECUREOBJECT)
* @param [in] AppInfo : Application information
* @param [in] AppInfoLen : Length of Application information
* @param [out] WrapAppInfo : Hashed and wrapped Application Information as an identifier
* @param [out] *WrapAppInfo : a pointer to length of hashed and wraped Application Information as an identifier
*
* return SEC_CRYPTO_SUCCESS if operation has been succesfully completed. (Refer to the tlc error code)
*/
__attribute__((visibility("default")))
TZCRYPT_Result SecEncryptTZCrypt(TZCRYPT_UINT8 *Src, TZCRYPT_UINT32 SrcLen, TZCRYPT_UINT8 *Dst, TZCRYPT_UINT32 *DstLen, TZCRYPT_UINT8 *AppInfo, TZCRYPT_UINT32 AppInfoLen, TZCRYPT_UINT8 *WrapAppInfo, TZCRYPT_UINT32 *WrapAppInfoLen);
/*
* This function provides an decryption of user data.
*
* @param [in] Src : Cipher data to be decrypted
* @param [in] SrcLen : Length of Cipher data to be decrypted (multiple by chunk size, SIZE_SECUREOBJECT)
* @param [out] Dst : Encrypted data
* @param [out] *DstLen : a pointer to length of encrypted data (multiple by secure object size, SIZE_CHUNK)
* @param [in] AppInfo : Application information
* @param [in] AppInfoLen : Length of Application information
* @param [in] WrapAppInfo : Hashed and wrapped Application Information as an identifier
* @param [in] WrapAppInfo : Length of hashed and wraped Application Information as an identifier
*
* return SEC_CRYPTO_SUCCESS if operation has been succesfully completed. (Refer to the tlc error code)
* If a given application information (identifier) is wrong, then return UNIT_TEXT_HASH_ERROR
*/
__attribute__((visibility("default")))
TZCRYPT_Result SecDecryptTZCrypt(TZCRYPT_UINT8 *Src, TZCRYPT_UINT32 SrcLen, TZCRYPT_UINT8 *Dst, TZCRYPT_UINT32 *DstLen, TZCRYPT_UINT8 *AppInfo, TZCRYPT_UINT32 AppInfoLen, TZCRYPT_UINT8 *WrapAppInfo, TZCRYPT_UINT32 WrapAppInfoLen);
/*
* This function provides the length of a given src len
*
* @param [in] source length
*
* return length of cipher text
*/
__attribute__((visibility("default")))
TZCRYPT_UINT32 SecGetCipherLen(TZCRYPT_UINT32 srclen);
#ifdef __cplusplus
}
#endif
#endif
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