| 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 | static inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx) |
| 11 | { |
| 12 | gcry_error_t err = gcry_md_open(ctx, GCRY_MD_SHA256, 0); |
| 13 | if (err) |
| 14 | die("gcry_md_open: %s", gcry_strerror(err)); |
| 15 | } |
| 16 | |
| 17 | static inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX *ctx, const void *data, size_t len) |
| 18 | { |
| 19 | gcry_md_write(*ctx, data, len); |
| 20 | } |
| 21 | |
| 22 | static inline void gcrypt_SHA256_Final(unsigned char *digest, gcrypt_SHA256_CTX *ctx) |
| 23 | { |
| 24 | memcpy(digest, gcry_md_read(*ctx, GCRY_MD_SHA256), SHA256_DIGEST_SIZE); |
| 25 | gcry_md_close(*ctx); |
| 26 | } |
| 27 | |
| 28 | static inline void gcrypt_SHA256_Clone(gcrypt_SHA256_CTX *dst, const gcrypt_SHA256_CTX *src) |
| 29 | { |
| 30 | gcry_md_close(*dst); |
| 31 | gcry_md_copy(dst, *src); |
| 32 | } |
| 33 | |
| 34 | static inline void gcrypt_SHA256_Discard(gcrypt_SHA256_CTX *ctx) |
| 35 | { |
| 36 | gcry_md_close(*ctx); |
| 37 | } |
| 38 | |
| 39 | #define platform_SHA256_CTX gcrypt_SHA256_CTX |
| 40 | #define platform_SHA256_Init gcrypt_SHA256_Init |
| 41 | #define platform_SHA256_Clone gcrypt_SHA256_Clone |
| 42 | #define platform_SHA256_Update gcrypt_SHA256_Update |
| 43 | #define platform_SHA256_Final gcrypt_SHA256_Final |
| 44 | #define platform_SHA256_Discard gcrypt_SHA256_Discard |
| 45 | |
| 46 | #endif |