| // Copyright 2016 Google Inc. |
| // |
| // 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 SECURITY_UTIL_LITE_HMAC_H__ |
| #define SECURITY_UTIL_LITE_HMAC_H__ |
| |
| #include <stdint.h> |
| |
| #include "hash-internal.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef struct LITE_HMAC_CTX { |
| HASH_CTX hash; |
| uint8_t opad[64]; |
| } LITE_HMAC_CTX; |
| |
| void HMAC_MD5_init(LITE_HMAC_CTX *ctx, const void *key, unsigned int len); |
| void HMAC_SHA_init(LITE_HMAC_CTX *ctx, const void *key, unsigned int len); |
| void HMAC_SHA256_init(LITE_HMAC_CTX *ctx, const void *key, unsigned int len); |
| const uint8_t *HMAC_final(LITE_HMAC_CTX *ctx); |
| |
| #define HMAC_update(ctx, data, len) HASH_update(&(ctx)->hash, data, len) |
| #define HMAC_size(ctx) HASH_size(&(ctx)->hash) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // SECURITY_UTIL_LITE_HMAC_H__ |
