| #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 |