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Add EVP_MD_CTX_ctrl function. 

Reviewed-by: Tim Hudson <tjh@openssl.org>
This commit is contained in:
Dr. Stephen Henson 2015-11-23 16:07:46 +00:00
parent 93972b8c72
commit 396d5fd091
2 changed files with 12 additions and 0 deletions
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11
crypto/evp/digest.c
View File

@ -364,3 +364,14 @@ int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx)
return 1;
}
int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2)
{
if (ctx->digest && ctx->digest->md_ctrl) {
int ret = ctx->digest->md_ctrl(ctx, cmd, p1, p2);
if (ret <= 0)
return 0;
return 1;
}
return 0;
}

1
include/openssl/evp.h
View File

@ -626,6 +626,7 @@ void BIO_set_md(BIO *, const EVP_MD *md);
void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
EVP_MD_CTX *EVP_MD_CTX_create(void);
void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
/*__owur*/ int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);