| /* |
| * FILE: sha2.h |
| * AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/ |
| * |
| * Copyright (c) 2000-2001, Aaron D. Gifford |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the names of contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef __SHA2_H__ |
| #define __SHA2_H__ |
| |
| #include <basetsd.h> |
| |
| /*** SHA-256/384/512 Various Length Definitions ***********************/ |
| #define SHA256_BLOCK_LENGTH 64 |
| #define SHA256_DIGEST_LENGTH 32 |
| #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) |
| #define SHA384_BLOCK_LENGTH 128 |
| #define SHA384_DIGEST_LENGTH 48 |
| #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) |
| #define SHA512_BLOCK_LENGTH 128 |
| #define SHA512_DIGEST_LENGTH 64 |
| #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) |
| |
| |
| /*** SHA-256/384/512 Context Structures *******************************/ |
| typedef UINT8 sha2_byte; /* Exactly 1 byte */ |
| typedef UINT32 sha2_word32; /* Exactly 4 bytes */ |
| typedef UINT64 sha2_word64; /* Exactly 8 bytes */ |
| |
| typedef struct _SHA256_CTX { |
| sha2_word32 state[8]; |
| sha2_word64 bitcount; |
| sha2_byte buffer[SHA256_BLOCK_LENGTH]; |
| } SHA256_CTX; |
| typedef struct _SHA512_CTX { |
| sha2_word64 state[8]; |
| sha2_word64 bitcount[2]; |
| sha2_byte buffer[SHA512_BLOCK_LENGTH]; |
| } SHA512_CTX; |
| |
| typedef SHA512_CTX SHA384_CTX; |
| |
| |
| /*** SHA-256/384/512 Function Prototypes ******************************/ |
| |
| void SHA256_Init(SHA256_CTX *); |
| void SHA256_Update(SHA256_CTX*, const sha2_byte*, size_t); |
| void SHA256_Final(sha2_byte[SHA256_DIGEST_LENGTH], SHA256_CTX*); |
| char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]); |
| char* SHA256_Data(const sha2_byte*, size_t, char[SHA256_DIGEST_STRING_LENGTH]); |
| |
| void SHA384_Init(SHA384_CTX*); |
| void SHA384_Update(SHA384_CTX*, const sha2_byte*, size_t); |
| void SHA384_Final(sha2_byte[SHA384_DIGEST_LENGTH], SHA384_CTX*); |
| char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]); |
| char* SHA384_Data(const sha2_byte*, size_t, char[SHA384_DIGEST_STRING_LENGTH]); |
| |
| void SHA512_Init(SHA512_CTX*); |
| void SHA512_Update(SHA512_CTX*, const sha2_byte*, size_t); |
| void SHA512_Final(sha2_byte[SHA512_DIGEST_LENGTH], SHA512_CTX*); |
| char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]); |
| char* SHA512_Data(const sha2_byte*, size_t, char[SHA512_DIGEST_STRING_LENGTH]); |
| |
| #endif /* __SHA2_H__ */ |
