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libcrypto: Use a pointer for EVP_MD_CTX

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This is for OpenSSL 1.1.0 support.

Cherry-picked from 607c671f67

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2016-11-05 16:52:41 +01:00
committed by Andreas Schneider
parent 7933756b5a
commit fbeecf388c
1 changed files with 6 additions and 5 deletions
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11
src/libcrypto.c
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@@ -134,18 +134,19 @@ static const EVP_MD *nid_to_evpmd(int nid)
void evp(int nid, unsigned char *digest, int len, unsigned char *hash, unsigned int *hlen)
{
const EVP_MD *evp_md = nid_to_evpmd(nid);
EVP_MD_CTX md;
EVP_MD_CTX *md = EVP_MD_CTX_new();
EVP_DigestInit(&md, evp_md);
EVP_DigestUpdate(&md, digest, len);
EVP_DigestFinal(&md, hash, hlen);
EVP_DigestInit(md, evp_md);
EVP_DigestUpdate(md, digest, len);
EVP_DigestFinal(md, hash, hlen);
EVP_MD_CTX_free(md);
}
EVPCTX evp_init(int nid)
{
const EVP_MD *evp_md = nid_to_evpmd(nid);
EVPCTX ctx = malloc(sizeof(EVP_MD_CTX));
EVPCTX ctx = EVP_MD_CTX_new();
if (ctx == NULL) {
return NULL;
}