[git/git.git] / sha256 / gcrypt.h

#ifndef SHA256_GCRYPT_H
#define SHA256_GCRYPT_H

#include <gcrypt.h>

#define SHA256_DIGEST_SIZE 32

typedef gcry_md_hd_t gcrypt_SHA256_CTX;

inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx)
{
	gcry_md_open(ctx, GCRY_MD_SHA256, 0);
}

inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX *ctx, const void *data, size_t len)
{
	gcry_md_write(*ctx, data, len);
}

inline void gcrypt_SHA256_Final(unsigned char *digest, gcrypt_SHA256_CTX *ctx)
{
	memcpy(digest, gcry_md_read(*ctx, GCRY_MD_SHA256), SHA256_DIGEST_SIZE);
}

#define platform_SHA256_CTX gcrypt_SHA256_CTX
#define platform_SHA256_Init gcrypt_SHA256_Init
#define platform_SHA256_Update gcrypt_SHA256_Update
#define platform_SHA256_Final gcrypt_SHA256_Final

#endif
Commit	Line	Data
27dc04c5	1	#ifndef SHA256_GCRYPT_H
	2	#define SHA256_GCRYPT_H
	3
	4	#include <gcrypt.h>
	5
	6	#define SHA256_DIGEST_SIZE 32
	7
	8	typedef gcry_md_hd_t gcrypt_SHA256_CTX;
	9
	10	inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx)
	11	{
	12	gcry_md_open(ctx, GCRY_MD_SHA256, 0);
	13	}
	14
	15	inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX ctx, const void data, size_t len)
	16	{
	17	gcry_md_write(*ctx, data, len);
	18	}
	19
	20	inline void gcrypt_SHA256_Final(unsigned char digest, gcrypt_SHA256_CTX ctx)
	21	{
	22	memcpy(digest, gcry_md_read(*ctx, GCRY_MD_SHA256), SHA256_DIGEST_SIZE);
	23	}
	24
	25	#define platform_SHA256_CTX gcrypt_SHA256_CTX
	26	#define platform_SHA256_Init gcrypt_SHA256_Init
	27	#define platform_SHA256_Update gcrypt_SHA256_Update
	28	#define platform_SHA256_Final gcrypt_SHA256_Final
	29
	30	#endif