/*
- * Copyright 2008-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2008-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
#include <openssl/cms.h>
#include <openssl/ess.h>
#include "crypto/ess.h"
-#include "crypto/cms.h"
#include "crypto/x509.h"
#include "cms_local.h"
}
/*
- First, get the ESS_SIGNING_CERT(V2) signed attribute from |si|.
- Then check matching of each cert of trust |chain| with one of
- the |cert_ids|(Hash+IssuerID) list from this ESS_SIGNING_CERT.
- Derived from ts_check_signing_certs()
-*/
-int ess_check_signing_certs(CMS_SignerInfo *si, STACK_OF(X509) *chain)
+ * Returns 0 if attribute is not found, 1 if found,
+ * or -1 on attribute parsing failure.
+ */
+static int ossl_cms_signerinfo_get_signing_cert(const CMS_SignerInfo *si,
+ ESS_SIGNING_CERT **psc)
{
- ESS_SIGNING_CERT *ss = NULL;
- ESS_SIGNING_CERT_V2 *ssv2 = NULL;
- X509 *cert;
- int i = 0, ret = 0;
+ ASN1_STRING *str;
+ ESS_SIGNING_CERT *sc;
+ ASN1_OBJECT *obj = OBJ_nid2obj(NID_id_smime_aa_signingCertificate);
- if (cms_signerinfo_get_signing_cert(si, &ss) > 0 && ss->cert_ids != NULL) {
- STACK_OF(ESS_CERT_ID) *cert_ids = ss->cert_ids;
+ if (psc != NULL)
+ *psc = NULL;
+ str = CMS_signed_get0_data_by_OBJ(si, obj, -3, V_ASN1_SEQUENCE);
+ if (str == NULL)
+ return 0;
- cert = sk_X509_value(chain, 0);
- if (ess_find_cert(cert_ids, cert) != 0)
- goto err;
+ sc = ASN1_item_unpack(str, ASN1_ITEM_rptr(ESS_SIGNING_CERT));
+ if (sc == NULL)
+ return -1;
+ if (psc != NULL)
+ *psc = sc;
+ else
+ ESS_SIGNING_CERT_free(sc);
+ return 1;
+}
- /*
- * Check the other certificates of the chain.
- * Fail if no signing certificate ids found for each certificate.
- */
- if (sk_ESS_CERT_ID_num(cert_ids) > 1) {
- /* for each chain cert, try to find its cert id */
- for (i = 1; i < sk_X509_num(chain); ++i) {
- cert = sk_X509_value(chain, i);
- if (ess_find_cert(cert_ids, cert) < 0)
- goto err;
- }
- }
- } else if (cms_signerinfo_get_signing_cert_v2(si, &ssv2) > 0
- && ssv2->cert_ids!= NULL) {
- STACK_OF(ESS_CERT_ID_V2) *cert_ids_v2 = ssv2->cert_ids;
-
- cert = sk_X509_value(chain, 0);
- if (ess_find_cert_v2(cert_ids_v2, cert) != 0)
- goto err;
+/*
+ * Returns 0 if attribute is not found, 1 if found,
+ * or -1 on attribute parsing failure.
+ */
+static int ossl_cms_signerinfo_get_signing_cert_v2(const CMS_SignerInfo *si,
+ ESS_SIGNING_CERT_V2 **psc)
+{
+ ASN1_STRING *str;
+ ESS_SIGNING_CERT_V2 *sc;
+ ASN1_OBJECT *obj = OBJ_nid2obj(NID_id_smime_aa_signingCertificateV2);
- /*
- * Check the other certificates of the chain.
- * Fail if no signing certificate ids found for each certificate.
- */
- if (sk_ESS_CERT_ID_V2_num(cert_ids_v2) > 1) {
- /* for each chain cert, try to find its cert id */
- for (i = 1; i < sk_X509_num(chain); ++i) {
- cert = sk_X509_value(chain, i);
- if (ess_find_cert_v2(cert_ids_v2, cert) < 0)
- goto err;
- }
- }
- } else {
- ERR_raise(ERR_LIB_CMS, CMS_R_ESS_NO_SIGNING_CERTID_ATTRIBUTE);
+ if (psc != NULL)
+ *psc = NULL;
+ str = CMS_signed_get0_data_by_OBJ(si, obj, -3, V_ASN1_SEQUENCE);
+ if (str == NULL)
return 0;
- }
- ret = 1;
- err:
- if (!ret)
- ERR_raise(ERR_LIB_CMS, CMS_R_ESS_SIGNING_CERTID_MISMATCH_ERROR);
+
+ sc = ASN1_item_unpack(str, ASN1_ITEM_rptr(ESS_SIGNING_CERT_V2));
+ if (sc == NULL)
+ return -1;
+ if (psc != NULL)
+ *psc = sc;
+ else
+ ESS_SIGNING_CERT_V2_free(sc);
+ return 1;
+}
+
+int ossl_cms_check_signing_certs(const CMS_SignerInfo *si,
+ const STACK_OF(X509) *chain)
+{
+ ESS_SIGNING_CERT *ss = NULL;
+ ESS_SIGNING_CERT_V2 *ssv2 = NULL;
+ int ret = ossl_cms_signerinfo_get_signing_cert(si, &ss) >= 0
+ && ossl_cms_signerinfo_get_signing_cert_v2(si, &ssv2) >= 0
+ && OSSL_ESS_check_signing_certs(ss, ssv2, chain, 1) > 0;
ESS_SIGNING_CERT_free(ss);
ESS_SIGNING_CERT_V2_free(ssv2);
CMS_ReceiptRequest *CMS_ReceiptRequest_create0_ex(
unsigned char *id, int idlen, int allorfirst,
STACK_OF(GENERAL_NAMES) *receiptList, STACK_OF(GENERAL_NAMES) *receiptsTo,
- OSSL_LIB_CTX *libctx, const char *propq)
+ OSSL_LIB_CTX *libctx)
{
CMS_ReceiptRequest *rr;
STACK_OF(GENERAL_NAMES) *receiptList, STACK_OF(GENERAL_NAMES) *receiptsTo)
{
return CMS_ReceiptRequest_create0_ex(id, idlen, allorfirst, receiptList,
- receiptsTo, NULL, NULL);
+ receiptsTo, NULL);
}
int CMS_add1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest *rr)
if (md == NULL)
return 0;
- if (!asn1_item_digest_ex(ASN1_ITEM_rptr(CMS_Attributes_Verify), md,
- si->signedAttrs, dig, diglen,
- cms_ctx_get0_libctx(si->cms_ctx),
- cms_ctx_get0_propq(si->cms_ctx)))
+ if (!ossl_asn1_item_digest_ex(ASN1_ITEM_rptr(CMS_Attributes_Verify), md,
+ si->signedAttrs, dig, diglen,
+ ossl_cms_ctx_get0_libctx(si->cms_ctx),
+ ossl_cms_ctx_get0_propq(si->cms_ctx)))
return 0;
return 1;
}
/* Add a msgSigDigest attribute to a SignerInfo */
-int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src)
+int ossl_cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src)
{
unsigned char dig[EVP_MAX_MD_SIZE];
unsigned int diglen;
/* Verify signed receipt after it has already passed normal CMS verify */
-int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms)
+int ossl_cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms)
{
int r = 0, i;
CMS_ReceiptRequest *rr = NULL;
* SignedData ContentInfo.
*/
-ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si)
+ASN1_OCTET_STRING *ossl_cms_encode_Receipt(CMS_SignerInfo *si)
{
CMS_Receipt rct;
CMS_ReceiptRequest *rr = NULL;
CMS_ReceiptRequest_free(rr);
return os;
}
-
-/*
- * Add signer certificate's V2 digest |sc| to a SignerInfo structure |si|
- */
-
-int cms_add1_signing_cert_v2(CMS_SignerInfo *si, ESS_SIGNING_CERT_V2 *sc)
-{
- ASN1_STRING *seq = NULL;
- unsigned char *p, *pp = NULL;
- int len;
-
- /* Add SigningCertificateV2 signed attribute to the signer info. */
- len = i2d_ESS_SIGNING_CERT_V2(sc, NULL);
- if (len <= 0 || (pp = OPENSSL_malloc(len)) == NULL)
- goto err;
- p = pp;
- i2d_ESS_SIGNING_CERT_V2(sc, &p);
- if (!(seq = ASN1_STRING_new()) || !ASN1_STRING_set(seq, pp, len))
- goto err;
- OPENSSL_free(pp);
- pp = NULL;
- if (!CMS_signed_add1_attr_by_NID(si, NID_id_smime_aa_signingCertificateV2,
- V_ASN1_SEQUENCE, seq, -1))
- goto err;
- ASN1_STRING_free(seq);
- return 1;
- err:
- ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE);
- ASN1_STRING_free(seq);
- OPENSSL_free(pp);
- return 0;
-}
-
-/*
- * Add signer certificate's digest |sc| to a SignerInfo structure |si|
- */
-
-int cms_add1_signing_cert(CMS_SignerInfo *si, ESS_SIGNING_CERT *sc)
-{
- ASN1_STRING *seq = NULL;
- unsigned char *p, *pp = NULL;
- int len;
-
- /* Add SigningCertificate signed attribute to the signer info. */
- len = i2d_ESS_SIGNING_CERT(sc, NULL);
- if (len <= 0 || (pp = OPENSSL_malloc(len)) == NULL)
- goto err;
- p = pp;
- i2d_ESS_SIGNING_CERT(sc, &p);
- if (!(seq = ASN1_STRING_new()) || !ASN1_STRING_set(seq, pp, len))
- goto err;
- OPENSSL_free(pp);
- pp = NULL;
- if (!CMS_signed_add1_attr_by_NID(si, NID_id_smime_aa_signingCertificate,
- V_ASN1_SEQUENCE, seq, -1))
- goto err;
- ASN1_STRING_free(seq);
- return 1;
- err:
- ERR_raise(ERR_LIB_CMS, ERR_R_MALLOC_FAILURE);
- ASN1_STRING_free(seq);
- OPENSSL_free(pp);
- return 0;
-}
projects / openssl.git / blobdiff