36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
#ifndef _SHA256_H
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#define _SHA256_H 1
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#include <stdint.h>
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#define SHA_LBLOCK 16
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#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a
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* contiguous array of 32 bit
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* wide big-endian values. */
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#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a
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* contiguous array of 32 bit
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* wide big-endian values. */
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#define SHA224_DIGEST_LENGTH 28
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#define SHA256_DIGEST_LENGTH 32
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typedef struct SHA256state_st
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{
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uint32_t h[8];
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uint32_t Nl,Nh;
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uint32_t data[SHA_LBLOCK];
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unsigned int num,md_len;
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} SHA256_CTX;
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int SHA224_Init(SHA256_CTX *c);
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int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
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int SHA224_Final(unsigned char *md, SHA256_CTX *c);
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unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md);
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int SHA256_Init(SHA256_CTX *c);
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int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
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int SHA256_Final(unsigned char *md, SHA256_CTX *c);
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unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md);
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void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
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#endif
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