diff options
author | Junio C Hamano <gitster@pobox.com> | 2023-08-10 02:18:15 +0300 |
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committer | Junio C Hamano <gitster@pobox.com> | 2023-08-10 02:18:15 +0300 |
commit | 889c94d2a0f4041c8237044db1d7ffd0190a2e0f (patch) | |
tree | c4f0e1a013df679d987fa4f20e1bbe530b0df016 /sha256 | |
parent | a82fb66fed250e16d3010c75404503bea3f0ab61 (diff) | |
parent | bda9c12073e786e2ffa2c3ec479c7fe098d49999 (diff) |
Merge branch 'ew/hash-with-openssl-evp'
Adjust to OpenSSL 3+, which deprecates its SHA-1 functions based on
its traditional API, by using its EVP API instead.
* ew/hash-with-openssl-evp:
avoid SHA-1 functions deprecated in OpenSSL 3+
sha256: avoid functions deprecated in OpenSSL 3+
Diffstat (limited to 'sha256')
-rw-r--r-- | sha256/openssl.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sha256/openssl.h b/sha256/openssl.h new file mode 100644 index 0000000000..c1083d9491 --- /dev/null +++ b/sha256/openssl.h @@ -0,0 +1,49 @@ +/* wrappers for the EVP API of OpenSSL 3+ */ +#ifndef SHA256_OPENSSL_H +#define SHA256_OPENSSL_H +#include <openssl/evp.h> + +struct openssl_SHA256_CTX { + EVP_MD_CTX *ectx; +}; + +typedef struct openssl_SHA256_CTX openssl_SHA256_CTX; + +static inline void openssl_SHA256_Init(struct openssl_SHA256_CTX *ctx) +{ + const EVP_MD *type = EVP_sha256(); + + ctx->ectx = EVP_MD_CTX_new(); + if (!ctx->ectx) + die("EVP_MD_CTX_new: out of memory"); + + EVP_DigestInit_ex(ctx->ectx, type, NULL); +} + +static inline void openssl_SHA256_Update(struct openssl_SHA256_CTX *ctx, + const void *data, + size_t len) +{ + EVP_DigestUpdate(ctx->ectx, data, len); +} + +static inline void openssl_SHA256_Final(unsigned char *digest, + struct openssl_SHA256_CTX *ctx) +{ + EVP_DigestFinal_ex(ctx->ectx, digest, NULL); + EVP_MD_CTX_free(ctx->ectx); +} + +static inline void openssl_SHA256_Clone(struct openssl_SHA256_CTX *dst, + const struct openssl_SHA256_CTX *src) +{ + EVP_MD_CTX_copy_ex(dst->ectx, src->ectx); +} + +#define platform_SHA256_CTX openssl_SHA256_CTX +#define platform_SHA256_Init openssl_SHA256_Init +#define platform_SHA256_Clone openssl_SHA256_Clone +#define platform_SHA256_Update openssl_SHA256_Update +#define platform_SHA256_Final openssl_SHA256_Final + +#endif /* SHA256_OPENSSL_H */ |