attr: fix out-of-bounds read with unreasonable amount of patterns
[alt-git.git] / sha256 / gcrypt.h
blob501da5ed9197ec61497e244879c7f60ba58617c1
1 #ifndef SHA256_GCRYPT_H
2 #define SHA256_GCRYPT_H
4 #include <gcrypt.h>
6 #define SHA256_DIGEST_SIZE 32
8 typedef gcry_md_hd_t gcrypt_SHA256_CTX;
10 inline void gcrypt_SHA256_Init(gcrypt_SHA256_CTX *ctx)
12 gcry_md_open(ctx, GCRY_MD_SHA256, 0);
15 inline void gcrypt_SHA256_Update(gcrypt_SHA256_CTX *ctx, const void *data, size_t len)
17 gcry_md_write(*ctx, data, len);
20 inline void gcrypt_SHA256_Final(unsigned char *digest, gcrypt_SHA256_CTX *ctx)
22 memcpy(digest, gcry_md_read(*ctx, GCRY_MD_SHA256), SHA256_DIGEST_SIZE);
25 inline void gcrypt_SHA256_Clone(gcrypt_SHA256_CTX *dst, const gcrypt_SHA256_CTX *src)
27 gcry_md_copy(dst, *src);
30 #define platform_SHA256_CTX gcrypt_SHA256_CTX
31 #define platform_SHA256_Init gcrypt_SHA256_Init
32 #define platform_SHA256_Clone gcrypt_SHA256_Clone
33 #define platform_SHA256_Update gcrypt_SHA256_Update
34 #define platform_SHA256_Final gcrypt_SHA256_Final
36 #endif