| #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_copy(dst, *src); |
| } |
| |
| #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 |
| |
| #endif |