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new, derived from old avr/crypto + cast5
[avr-crypto-lib.git] / sha256-asm.h
1 /**
2  * File:                sha256-asm.h
3  * Author:      Daniel Otte 
4  * Date:                16.05.2006
5  * License:     GPL
6  * 
7  */
8
9 #ifndef SHA256ASM_H_
10 #define SHA256ASM_H_
11
12
13 #define SHA256_HASH_BITS  256
14 #define SHA256_BLOCK_BITS 512
15
16 typedef struct {
17         uint32_t h[8];
18         uint64_t length;
19 } sha256_ctx_t;
20
21 typedef uint8_t sha256_hash_t[SHA256_HASH_BITS/8];
22
23 void sha256_ctx2hash(sha256_hash_t *dest, sha256_ctx_t *state);
24 void sha256(sha256_hash_t *dest, void* msg, uint32_t length);
25 void sha256_init(sha256_ctx_t *state);
26 void sha256_nextBlock(sha256_ctx_t *state, void* block);
27 void sha256_lastBlock(sha256_ctx_t *state, void* block, uint16_t length);
28 uint32_t rotr32(uint32_t, uint8_t);
29 uint32_t change_endian32(uint32_t x);
30
31 #endif /*SHA256ASM_H_*/