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path: root/openssl/crypto/asn1/a_verify.c
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Diffstat (limited to 'openssl/crypto/asn1/a_verify.c')
-rw-r--r--openssl/crypto/asn1/a_verify.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/openssl/crypto/asn1/a_verify.c b/openssl/crypto/asn1/a_verify.c
index da3efaaf8..cecdb13c7 100644
--- a/openssl/crypto/asn1/a_verify.c
+++ b/openssl/crypto/asn1/a_verify.c
@@ -60,6 +60,7 @@
#include <time.h>
#include "cryptlib.h"
+#include "asn1_locl.h"
#ifndef NO_SYS_TYPES_H
# include <sys/types.h>
@@ -100,12 +101,7 @@ int ASN1_verify(i2d_of_void *i2d, X509_ALGOR *a, ASN1_BIT_STRING *signature,
p=buf_in;
i2d(data,&p);
- if (!EVP_VerifyInit_ex(&ctx,type, NULL))
- {
- ASN1err(ASN1_F_ASN1_VERIFY,ERR_R_EVP_LIB);
- ret=0;
- goto err;
- }
+ EVP_VerifyInit_ex(&ctx,type, NULL);
EVP_VerifyUpdate(&ctx,(unsigned char *)buf_in,inl);
OPENSSL_cleanse(buf_in,(unsigned int)inl);
@@ -134,19 +130,34 @@ int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a, ASN1_BIT_STRING *signat
void *asn, EVP_PKEY *pkey)
{
EVP_MD_CTX ctx;
- const EVP_MD *type;
+ const EVP_MD *type = NULL;
unsigned char *buf_in=NULL;
- int ret= -1,i,inl;
+ int ret= -1,inl;
+
+ int mdnid, pknid;
EVP_MD_CTX_init(&ctx);
- i=OBJ_obj2nid(a->algorithm);
- type=EVP_get_digestbyname(OBJ_nid2sn(i));
+
+ /* Convert signature OID into digest and public key OIDs */
+ if (!OBJ_find_sigid_algs(OBJ_obj2nid(a->algorithm), &mdnid, &pknid))
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
+ goto err;
+ }
+ type=EVP_get_digestbynid(mdnid);
if (type == NULL)
{
ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
goto err;
}
+ /* Check public key OID matches public key type */
+ if (EVP_PKEY_type(pknid) != pkey->ameth->pkey_id)
+ {
+ ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ASN1_R_WRONG_PUBLIC_KEY_TYPE);
+ goto err;
+ }
+
if (!EVP_VerifyInit_ex(&ctx,type, NULL))
{
ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ERR_R_EVP_LIB);