blob: 72cf9c37a90190974bbd686fcf05129b3dee0f50 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/*********************************************************************
* Filename: sha256.h
* Author: Brad Conte (brad AT bradconte.com)
* Copyright:
* Disclaimer: This code is presented "as is" without any guarantees.
* Details: Defines the API for the corresponding SHA256 implementation.
*********************************************************************/
#ifndef SHA256_H
#define SHA256_H
/*************************** HEADER FILES ***************************/
#include <stddef.h>
#include <stdint.h>
/****************************** MACROS ******************************/
#define SHA256_BLOCK_SIZE 32 // SHA256 outputs a 32 byte digest
#define SHA256_DIGEST_LENGTH SHA256_BLOCK_SIZE
#define SHA256_TOO_LARGE "TOOLARGETOHASH"
#undef SHA256_SHOW_ERRORS // for debugging
/**************************** DATA TYPES ****************************/
typedef unsigned char BYTE; // 8-bit byte
typedef uint32_t WORD; // 32-bit word
typedef struct {
BYTE data[64];
WORD datalen;
uint64_t bitlen;
//unsigned long long bitlen;
WORD state[8];
} SHA256_CTX;
/*********************** FUNCTION DECLARATIONS **********************/
void sha256_init(SHA256_CTX *);
void sha256_update(SHA256_CTX *, const BYTE [], size_t);
void sha256_final(SHA256_CTX *, BYTE []);
char *sha256_digest_file(const char *);
#endif // SHA256_H
|
