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1 | /********************************************************************* |
2 | * Filename: sha1.h |
3 | * Author: Brad Conte (brad AT bradconte.com) |
4 | * Copyright: |
5 | * Disclaimer: This code is presented "as is" without any guarantees. |
6 | * Details: Defines the API for the corresponding SHA1 implementation. |
7 | *********************************************************************/ |
8 | |
9 | #ifndef SHA1_H |
10 | #define SHA1_H |
11 | |
12 | /*************************** HEADER FILES ***************************/ |
13 | #include <stddef.h> |
14 | |
15 | #include "crypto_types.h" |
16 | |
17 | /****************************** MACROS ******************************/ |
18 | #define SHA1_BLOCK_SIZE 20 // SHA1 outputs a 20 byte digest |
19 | |
20 | /**************************** DATA TYPES ****************************/ |
21 | typedef struct { |
22 | BYTE data[64]; |
23 | WORD datalen; |
24 | unsigned long long bitlen; |
25 | WORD state[5]; |
26 | WORD k[4]; |
27 | } SHA1_CTX; |
28 | |
29 | /*********************** FUNCTION DECLARATIONS **********************/ |
30 | void sha1_init(SHA1_CTX *ctx); |
31 | void sha1_update(SHA1_CTX *ctx, const BYTE data[], size_t len); |
32 | void sha1_final(SHA1_CTX *ctx, BYTE hash[]); |
33 | |
34 | #endif // SHA1_H |