#include <openssl/dsa.h>
#include <openssl/x509v3.h>
-#ifndef OPENSSL_NO_SM2
+static void clean_id_ctx(EVP_MD_CTX *ctx)
+{
+ EVP_PKEY_CTX *pctx = EVP_MD_CTX_pkey_ctx(ctx);
-# include "crypto/asn1.h"
-# include "crypto/evp.h"
+ EVP_PKEY_CTX_free(pctx);
+ EVP_MD_CTX_free(ctx);
+}
-static int common_verify_sm2(void *data, EVP_PKEY *pkey,
- int mdnid, int pknid, int req)
+static EVP_MD_CTX *make_id_ctx(EVP_PKEY *r, ASN1_OCTET_STRING *id)
{
- X509 *x = NULL;
- X509_REQ *r = NULL;
EVP_MD_CTX *ctx = NULL;
- unsigned char *buf_in = NULL;
- int ret = -1, inl = 0;
- size_t inll = 0;
EVP_PKEY_CTX *pctx = NULL;
- const EVP_MD *type = EVP_get_digestbynid(mdnid);
- ASN1_BIT_STRING *signature = NULL;
- ASN1_OCTET_STRING *sm2_id = NULL;
- ASN1_VALUE *tbv = NULL;
-
- if (type == NULL) {
- X509err(X509_F_COMMON_VERIFY_SM2,
- ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
- goto err;
- }
-
- if (pkey == NULL) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_PASSED_NULL_PARAMETER);
- return -1;
- }
-
- if (req == 1) {
- r = (X509_REQ *)data;
- signature = r->signature;
- sm2_id = r->sm2_id;
- tbv = (ASN1_VALUE *)&r->req_info;
- } else {
- x = (X509 *)data;
- signature = &x->signature;
- sm2_id = x->sm2_id;
- tbv = (ASN1_VALUE *)&x->cert_info;
- }
-
- if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7) {
- X509err(X509_F_COMMON_VERIFY_SM2, ASN1_R_INVALID_BIT_STRING_BITS_LEFT);
- return -1;
- }
- ctx = EVP_MD_CTX_new();
- if (ctx == NULL) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_MALLOC_FAILURE);
- goto err;
+ if ((ctx = EVP_MD_CTX_new()) == NULL
+ || (pctx = EVP_PKEY_CTX_new(r, NULL)) == NULL) {
+ X509err(0, ERR_R_MALLOC_FAILURE);
+ goto error;
}
- /* Check public key OID matches public key type */
- if (EVP_PKEY_type(pknid) != pkey->ameth->pkey_id) {
- X509err(X509_F_COMMON_VERIFY_SM2, ASN1_R_WRONG_PUBLIC_KEY_TYPE);
- goto err;
+ if (id != NULL) {
+ if (EVP_PKEY_CTX_set1_id(pctx, id->data, id->length) <= 0) {
+ X509err(0, ERR_R_MALLOC_FAILURE);
+ goto error;
+ }
}
- if (!EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2)) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_EVP_LIB);
- ret = 0;
- goto err;
- }
- pctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (pctx == NULL) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_EVP_LIB);
- ret = 0;
- goto err;
- }
- /* NOTE: we tolerate no actual ID, to provide maximum flexibility */
- if (sm2_id != NULL
- && EVP_PKEY_CTX_set1_id(pctx, sm2_id->data, sm2_id->length) != 1) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_EVP_LIB);
- ret = 0;
- goto err;
- }
EVP_MD_CTX_set_pkey_ctx(ctx, pctx);
- if (!EVP_DigestVerifyInit(ctx, NULL, type, NULL, pkey)) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_EVP_LIB);
- ret = 0;
- goto err;
- }
-
- inl = ASN1_item_i2d(tbv, &buf_in,
- req == 1 ?
- ASN1_ITEM_rptr(X509_REQ_INFO) :
- ASN1_ITEM_rptr(X509_CINF));
- if (inl <= 0) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_INTERNAL_ERROR);
- goto err;
- }
- if (buf_in == NULL) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_MALLOC_FAILURE);
- goto err;
- }
- inll = inl;
-
- ret = EVP_DigestVerify(ctx, signature->data,
- (size_t)signature->length, buf_in, inl);
- if (ret <= 0) {
- X509err(X509_F_COMMON_VERIFY_SM2, ERR_R_EVP_LIB);
- goto err;
- }
- ret = 1;
- err:
- OPENSSL_clear_free(buf_in, inll);
- EVP_MD_CTX_free(ctx);
+ return ctx;
+ error:
EVP_PKEY_CTX_free(pctx);
- return ret;
-}
-
-static int x509_verify_sm2(X509 *x, EVP_PKEY *pkey, int mdnid, int pknid)
-{
- return common_verify_sm2(x, pkey, mdnid, pknid, 0);
-}
-
-static int x509_req_verify_sm2(X509_REQ *x, EVP_PKEY *pkey,
- int mdnid, int pknid)
-{
- return common_verify_sm2(x, pkey, mdnid, pknid, 1);
+ EVP_MD_CTX_free(ctx);
+ return NULL;
}
-#endif
-
int X509_verify(X509 *a, EVP_PKEY *r)
{
-#ifndef OPENSSL_NO_SM2
- int mdnid, pknid;
-#endif
+ int rv = 0;
+ EVP_MD_CTX *ctx = NULL;
+ ASN1_OCTET_STRING *id = NULL;
if (X509_ALGOR_cmp(&a->sig_alg, &a->cert_info.signature))
return 0;
#ifndef OPENSSL_NO_SM2
- /* Convert signature OID into digest and public key OIDs */
- if (!OBJ_find_sigid_algs(OBJ_obj2nid(a->sig_alg.algorithm),
- &mdnid, &pknid)) {
- X509err(X509_F_X509_VERIFY, ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
- return 0;
- }
-
- if (pknid == NID_sm2)
- return x509_verify_sm2(a, r, mdnid, pknid);
+ id = a->sm2_id;
#endif
- return (ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
- &a->signature, &a->cert_info, r));
+ if ((ctx = make_id_ctx(r, id)) != NULL) {
+ rv = ASN1_item_verify_ctx(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
+ &a->signature, &a->cert_info, ctx);
+ clean_id_ctx(ctx);
+ }
+ return rv;
}
int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
{
-#ifndef OPENSSL_NO_SM2
- int mdnid, pknid;
-
- /* Convert signature OID into digest and public key OIDs */
- if (!OBJ_find_sigid_algs(OBJ_obj2nid(a->sig_alg.algorithm),
- &mdnid, &pknid)) {
- X509err(X509_F_X509_REQ_VERIFY, ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
- return 0;
- }
+ int rv = 0;
+ EVP_MD_CTX *ctx = NULL;
+ ASN1_OCTET_STRING *id = NULL;
- if (pknid == NID_sm2)
- return x509_req_verify_sm2(a, r, mdnid, pknid);
+#ifndef OPENSSL_NO_SM2
+ id = a->sm2_id;
#endif
- return (ASN1_item_verify(ASN1_ITEM_rptr(X509_REQ_INFO),
- &a->sig_alg, a->signature, &a->req_info, r));
+ if ((ctx = make_id_ctx(r, id)) != NULL) {
+ rv = ASN1_item_verify_ctx(ASN1_ITEM_rptr(X509_REQ_INFO), &a->sig_alg,
+ a->signature, &a->req_info, ctx);
+ clean_id_ctx(ctx);
+ }
+ return rv;
}
int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
projects / oweals / openssl.git / blobdiff