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Diffstat (limited to 'src/framework/common/include/sha256.h')
-rw-r--r-- | src/framework/common/include/sha256.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/framework/common/include/sha256.h b/src/framework/common/include/sha256.h new file mode 100644 index 0000000..b1c7f3c --- /dev/null +++ b/src/framework/common/include/sha256.h @@ -0,0 +1,94 @@ +/* +* +* Copyright (c) 2018 Huawei Technologies Co.,Ltd. +* 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 _SHA256_H_ +#define _SHA256_H_ +#include "types.h" + +#ifdef __cplusplus +/* *INDENT-OFF* */ +extern "C" { +/* *INDENT-ON* */ +#endif + +/* Note that the following function prototypes are the same */ +/* for both the bit and byte oriented implementations. But */ +/* the length fields are in bytes or bits as is appropriate */ +/* for the version used. Bit sequences are arrays of bytes */ +/* in which bit sequence indexes increase from the most to */ +/* the least significant end of each byte */ + +#define SHA256_DIGEST_SIZE 32 /* in bytes */ +#define SHA256_BLOCK_SIZE 64 /* in bytes */ + +typedef struct +{ + u32 count[2]; + u32 hash[8]; + u32 wbuf[16]; +} SHA256_CTX; + +/* SHA256 hash data in an array of bytes into hash buffer */ +/* and call the hash_compile function as required. */ + +/*===========================================================================*\ + Function :Sha256_upd + Description : + Calls : + Called by : + Return :void - + Parameters : + SHA256_CTX ctx[1] - + const unsigned char data[] - + size_t len - + Note : +\*===========================================================================*/ +void Sha256_upd (SHA256_CTX ctx[1], const u8 data[], size_t len); + +/* SHA256 Final padding and digest calculation */ + +/*===========================================================================*\ + Function :Sha256_set + Description : + Calls : + Called by : + Return :void - + Parameters : + SHA256_CTX ctx[1] - + Note : +\*===========================================================================*/ +void Sha256_set (SHA256_CTX ctx[1]); + +/*===========================================================================*\ + Function :Sha256_fin + Description : + Calls : + Called by : + Return :void - + Parameters : + SHA256_CTX ctx[1] - + unsigned char hval[] - + Note : +\*===========================================================================*/ +void Sha256_fin (SHA256_CTX ctx[1], u8 hval[]); + +#ifdef __cplusplus +/* *INDENT-OFF* */ +} +/* *INDENT-ON* */ +#endif + +#endif /* _SHA256_H_ */ |