Commit 396d5fd0 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

Add EVP_MD_CTX_ctrl function. 



Reviewed-by: default avatarTim Hudson <tjh@openssl.org>
parent 93972b8c

crypto/evp/digest.c

+11 −0
Original line number Diff line number Diff line
@@ -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;

}

include/openssl/evp.h

+1 −0
Original line number Diff line number Diff line
@@ -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);