In BIO_write(), update the write statistics, not the read statistics.

[oweals/openssl.git] / crypto / asn1 / a_verify.c

diff --git a/crypto/asn1/a_verify.c b/crypto/asn1/a_verify.c
index 4b4a240f50b4af4ac06e0080cfa314217a0f4b00..da3efaaf8de524d0aea44ed505182109076a164f 100644 (file)
--- a/crypto/asn1/a_verify.c
+++ b/crypto/asn1/a_verify.c
@@ -73,14 +73,15 @@
 
 #ifndef NO_ASN1_OLD
 
-int ASN1_verify(int (*i2d)(), X509_ALGOR *a, ASN1_BIT_STRING *signature,
-            char *data, EVP_PKEY *pkey)
+int ASN1_verify(i2d_of_void *i2d, X509_ALGOR *a, ASN1_BIT_STRING *signature,
+               char *data, EVP_PKEY *pkey)
        {
        EVP_MD_CTX ctx;
        const EVP_MD *type;
        unsigned char *p,*buf_in=NULL;
        int ret= -1,i,inl;
 
+       EVP_MD_CTX_init(&ctx);
        i=OBJ_obj2nid(a->algorithm);
        type=EVP_get_digestbyname(OBJ_nid2sn(i));
        if (type == NULL)
@@ -99,10 +100,15 @@ int ASN1_verify(int (*i2d)(), X509_ALGOR *a, ASN1_BIT_STRING *signature,
        p=buf_in;
 
        i2d(data,&p);
-       EVP_VerifyInit(&ctx,type);
+       if (!EVP_VerifyInit_ex(&ctx,type, NULL))
+               {
+               ASN1err(ASN1_F_ASN1_VERIFY,ERR_R_EVP_LIB);
+               ret=0;
+               goto err;
+               }
        EVP_VerifyUpdate(&ctx,(unsigned char *)buf_in,inl);
 
-       memset(buf_in,0,(unsigned int)inl);
+       OPENSSL_cleanse(buf_in,(unsigned int)inl);
        OPENSSL_free(buf_in);
 
        if (EVP_VerifyFinal(&ctx,(unsigned char *)signature->data,
@@ -117,6 +123,7 @@ int ASN1_verify(int (*i2d)(), X509_ALGOR *a, ASN1_BIT_STRING *signature,
        /* memset(&ctx,0,sizeof(ctx)); */
        ret=1;
 err:
+       EVP_MD_CTX_cleanup(&ctx);
        return(ret);
        }
 
@@ -131,11 +138,19 @@ int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a, ASN1_BIT_STRING *signat
        unsigned char *buf_in=NULL;
        int ret= -1,i,inl;
 
+       EVP_MD_CTX_init(&ctx);
        i=OBJ_obj2nid(a->algorithm);
        type=EVP_get_digestbyname(OBJ_nid2sn(i));
        if (type == NULL)
                {
-               ASN1err(ASN1_F_ASN1_VERIFY,ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
+               ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
+               goto err;
+               }
+
+       if (!EVP_VerifyInit_ex(&ctx,type, NULL))
+               {
+               ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ERR_R_EVP_LIB);
+               ret=0;
                goto err;
                }
 
@@ -143,20 +158,19 @@ int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a, ASN1_BIT_STRING *signat
        
        if (buf_in == NULL)
                {
-               ASN1err(ASN1_F_ASN1_VERIFY,ERR_R_MALLOC_FAILURE);
+               ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ERR_R_MALLOC_FAILURE);
                goto err;
                }
 
-       EVP_VerifyInit(&ctx,type);
        EVP_VerifyUpdate(&ctx,(unsigned char *)buf_in,inl);
 
-       memset(buf_in,0,(unsigned int)inl);
+       OPENSSL_cleanse(buf_in,(unsigned int)inl);
        OPENSSL_free(buf_in);
 
        if (EVP_VerifyFinal(&ctx,(unsigned char *)signature->data,
                        (unsigned int)signature->length,pkey) <= 0)
                {
-               ASN1err(ASN1_F_ASN1_VERIFY,ERR_R_EVP_LIB);
+               ASN1err(ASN1_F_ASN1_ITEM_VERIFY,ERR_R_EVP_LIB);
                ret=0;
                goto err;
                }
@@ -165,6 +179,7 @@ int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a, ASN1_BIT_STRING *signat
        /* memset(&ctx,0,sizeof(ctx)); */
        ret=1;
 err:
+       EVP_MD_CTX_cleanup(&ctx);
        return(ret);
        }