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Fix memory leak when using openssl backend

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Fixes a memory leak when using openssl backend caused by mismatched
calls to EVP_DigestInit and EVP_DigestFinal_ex.
This commit is contained in:
Per x Johansson
2016-10-11 10:34:11 +02:00
committed by Milan Broz
parent 2fc8b6a306
commit 443a8b806f
1 changed files with 3 additions and 2 deletions
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5
lib/crypto_backend/crypto_openssl.c
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@@ -95,7 +95,8 @@ int crypt_hash_init(struct crypt_hash **ctx, const char *name)
return -EINVAL; return -EINVAL;
} }
if (EVP_DigestInit(&h->md, h->hash_id) != 1) { EVP_MD_CTX_init(&h->md);
if (EVP_DigestInit_ex(&h->md, h->hash_id, NULL) != 1) {
free(h); free(h);
return -EINVAL; return -EINVAL;
} }
@@ -107,7 +108,7 @@ int crypt_hash_init(struct crypt_hash **ctx, const char *name)
static int crypt_hash_restart(struct crypt_hash *ctx) static int crypt_hash_restart(struct crypt_hash *ctx)
{ {
if (EVP_DigestInit(&ctx->md, ctx->hash_id) != 1) if (EVP_DigestInit_ex(&ctx->md, ctx->hash_id, NULL) != 1)
return -EINVAL; return -EINVAL;
return 0; return 0;