| #ifndef SHA256_GCRYPT_H | |
| #define SHA256_GCRYPT_H | |
| #include <gcrypt.h> | |
| #define SHA256_DIGEST_SIZE 32 | |
| typedef gcry_md_hd_t gcrypt_SHA256_CTX; | |
| static inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx) | |
| { | |
| gcry_error_t err = gcry_md_open(ctx, GCRY_MD_SHA256, 0); | |
| if (err) | |
| die("gcry_md_open: %s", gcry_strerror(err)); | |
| } | |
| static inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX *ctx, const void *data, size_t len) | |
| { | |
| gcry_md_write(*ctx, data, len); | |
| } | |
| static inline void gcrypt_SHA256_Final(unsigned char *digest, gcrypt_SHA256_CTX *ctx) | |
| { | |
| memcpy(digest, gcry_md_read(*ctx, GCRY_MD_SHA256), SHA256_DIGEST_SIZE); | |
| gcry_md_close(*ctx); | |
| } | |
| static inline void gcrypt_SHA256_Clone(gcrypt_SHA256_CTX *dst, const gcrypt_SHA256_CTX *src) | |
| { | |
| gcry_md_close(*dst); | |
| gcry_md_copy(dst, *src); | |
| } | |
| static inline void gcrypt_SHA256_Discard(gcrypt_SHA256_CTX *ctx) | |
| { | |
| gcry_md_close(*ctx); | |
| } | |
| #define platform_SHA256_CTX gcrypt_SHA256_CTX | |
| #define platform_SHA256_Init gcrypt_SHA256_Init | |
| #define platform_SHA256_Clone gcrypt_SHA256_Clone | |
| #define platform_SHA256_Update gcrypt_SHA256_Update | |
| #define platform_SHA256_Final gcrypt_SHA256_Final | |
| #define platform_SHA256_Discard gcrypt_SHA256_Discard | |
| #endif |