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Handle mdname in legacy EVP_DigestSignInit_ex codepaths

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Even though an application callS the new EVP_DigestSignInit_ex()
function to pass an mdname by string rather than EVP_MD, we may still end
up in legacy codepaths, and therefore we need to handle either mdname or
EVP_MD, in both legacy and non-legacy codepaths.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11353)
This commit is contained in:
Matt Caswell 2020-03-16 16:04:12 +00:00
parent a45694a356
commit 55ca81259a
1 changed files with 3 additions and 0 deletions
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3
crypto/evp/m_sigver.c
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@ -200,6 +200,9 @@ static int do_sigver_init(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
*/
ERR_pop_to_mark();
if (type == NULL && mdname != NULL)
type = evp_get_digestbyname_ex(locpctx->libctx, mdname);
if (ctx->pctx->pmeth == NULL) {
EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
return 0;