| 1 | /* wrappers for the EVP API of OpenSSL 3+ */ |
| 2 | #ifndef SHA1_OPENSSL_H |
| 3 | #define SHA1_OPENSSL_H |
| 4 | #include <openssl/evp.h> |
| 5 | |
| 6 | struct openssl_SHA1_CTX { |
| 7 | EVP_MD_CTX *ectx; |
| 8 | }; |
| 9 | |
| 10 | typedef struct openssl_SHA1_CTX openssl_SHA1_CTX; |
| 11 | |
| 12 | static inline void openssl_SHA1_Init(struct openssl_SHA1_CTX *ctx) |
| 13 | { |
| 14 | const EVP_MD *type = EVP_sha1(); |
| 15 | |
| 16 | ctx->ectx = EVP_MD_CTX_new(); |
| 17 | if (!ctx->ectx) |
| 18 | die("EVP_MD_CTX_new: out of memory"); |
| 19 | |
| 20 | EVP_DigestInit_ex(ctx->ectx, type, NULL); |
| 21 | } |
| 22 | |
| 23 | static inline void openssl_SHA1_Update(struct openssl_SHA1_CTX *ctx, |
| 24 | const void *data, |
| 25 | size_t len) |
| 26 | { |
| 27 | EVP_DigestUpdate(ctx->ectx, data, len); |
| 28 | } |
| 29 | |
| 30 | static inline void openssl_SHA1_Final(unsigned char *digest, |
| 31 | struct openssl_SHA1_CTX *ctx) |
| 32 | { |
| 33 | EVP_DigestFinal_ex(ctx->ectx, digest, NULL); |
| 34 | EVP_MD_CTX_free(ctx->ectx); |
| 35 | } |
| 36 | |
| 37 | static inline void openssl_SHA1_Clone(struct openssl_SHA1_CTX *dst, |
| 38 | const struct openssl_SHA1_CTX *src) |
| 39 | { |
| 40 | EVP_MD_CTX_copy_ex(dst->ectx, src->ectx); |
| 41 | } |
| 42 | |
| 43 | static inline void openssl_SHA1_Discard(struct openssl_SHA1_CTX *ctx) |
| 44 | { |
| 45 | EVP_MD_CTX_free(ctx->ectx); |
| 46 | } |
| 47 | |
| 48 | #ifndef platform_SHA_CTX |
| 49 | #define platform_SHA_CTX openssl_SHA1_CTX |
| 50 | #define platform_SHA1_Init openssl_SHA1_Init |
| 51 | #define platform_SHA1_Clone openssl_SHA1_Clone |
| 52 | #define platform_SHA1_Update openssl_SHA1_Update |
| 53 | #define platform_SHA1_Final openssl_SHA1_Final |
| 54 | #define platform_SHA1_Discard openssl_SHA1_Discard |
| 55 | #endif |
| 56 | |
| 57 | #endif /* SHA1_OPENSSL_H */ |