1 /* 2 * This file is part of the openHiTLS project. 3 * 4 * openHiTLS is licensed under the Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * 8 * http://license.coscl.org.cn/MulanPSL2 9 * 10 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 11 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 12 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 13 * See the Mulan PSL v2 for more details. 14 */ 15 16 #ifndef CRYPT_MODES_OFB_H 17 #define CRYPT_MODES_OFB_H 18 19 #include "hitls_build.h" 20 #ifdef HITLS_CRYPTO_OFB 21 22 #include "crypt_types.h" 23 #include "crypt_modes.h" 24 #ifdef __cplusplus 25 extern "C" { 26 #endif // __cplusplus 27 28 29 // OFB mode universal implementation 30 MODES_CipherCtx *MODES_OFB_NewCtx(int32_t algId); 31 int32_t MODES_OFB_InitCtx(MODES_CipherCtx *modeCtx, const uint8_t *key, uint32_t keyLen, const uint8_t *iv, 32 uint32_t ivLen, bool enc); 33 34 int32_t MODES_OFB_Update(MODES_CipherCtx *modeCtx, const uint8_t *in, uint32_t inLen, uint8_t *out, uint32_t *outLen); 35 int32_t MODES_OFB_Final(MODES_CipherCtx *modeCtx, uint8_t *out, uint32_t *outLen); 36 int32_t MODES_OFB_DeInitCtx(MODES_CipherCtx *modeCtx); 37 int32_t MODES_OFB_Ctrl(MODES_CipherCtx *modeCtx, int32_t cmd, void *val, uint32_t valLen); 38 void MODES_OFB_FreeCtx(MODES_CipherCtx *modeCtx); 39 40 // SM4 OFB optimization implementation 41 int32_t SM4_OFB_InitCtx(MODES_CipherCtx *modeCtx, const uint8_t *key, uint32_t keyLen, const uint8_t *iv, 42 uint32_t ivLen, bool enc); 43 int32_t SM4_OFB_Update(MODES_CipherCtx *modeCtx, const uint8_t *in, uint32_t inLen, uint8_t *out, uint32_t *outLen); 44 45 int32_t MODES_OFB_InitCtxEx(MODES_CipherCtx *modeCtx, const uint8_t *key, uint32_t keyLen, const uint8_t *iv, 46 uint32_t ivLen, void *param, bool enc); 47 48 int32_t MODES_OFB_UpdateEx(MODES_CipherCtx *modeCtx, const uint8_t *in, uint32_t inLen, uint8_t *out, uint32_t *outLen); 49 50 #ifdef __cplusplus 51 } 52 #endif // __cplusplus 53 54 #endif // HITLS_CRYPTO_OFB 55 56 #endif // CRYPT_MODES_OFB_H 57