/*-
- * Copyright 2007-2019 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2007-2020 The OpenSSL Project Authors. All Rights Reserved.
* Copyright Nokia 2007-2018
* Copyright Siemens AG 2015-2019
*
#include <openssl/err.h>
#include <openssl/evp.h>
+DEFINE_STACK_OF(X509_EXTENSION)
+DEFINE_STACK_OF(OSSL_CRMF_MSG)
+
/*-
* atyp = Attribute Type
* valt = Value Type
}
-int OSSL_CRMF_MSG_set_validity(OSSL_CRMF_MSG *crm, time_t from, time_t to)
+int OSSL_CRMF_MSG_set0_validity(OSSL_CRMF_MSG *crm,
+ ASN1_TIME *notBefore, ASN1_TIME *notAfter)
{
- OSSL_CRMF_OPTIONALVALIDITY *vld = NULL;
- ASN1_TIME *from_asn = NULL;
- ASN1_TIME *to_asn = NULL;
+ OSSL_CRMF_OPTIONALVALIDITY *vld;
OSSL_CRMF_CERTTEMPLATE *tmpl = OSSL_CRMF_MSG_get0_tmpl(crm);
if (tmpl == NULL) { /* also crm == NULL implies this */
- CRMFerr(CRMF_F_OSSL_CRMF_MSG_SET_VALIDITY, CRMF_R_NULL_ARGUMENT);
+ CRMFerr(CRMF_F_OSSL_CRMF_MSG_SET0_VALIDITY, CRMF_R_NULL_ARGUMENT);
return 0;
}
- if (from != 0 && ((from_asn = ASN1_TIME_set(NULL, from)) == NULL))
- goto err;
- if (to != 0 && ((to_asn = ASN1_TIME_set(NULL, to)) == NULL))
- goto err;
if ((vld = OSSL_CRMF_OPTIONALVALIDITY_new()) == NULL)
- goto err;
-
- vld->notBefore = from_asn;
- vld->notAfter = to_asn;
-
+ return 0;
+ vld->notBefore = notBefore;
+ vld->notAfter = notAfter;
tmpl->validity = vld;
-
return 1;
- err:
- ASN1_TIME_free(from_asn);
- ASN1_TIME_free(to_asn);
- return 0;
}
return (int)res;
}
-int OSSL_CRMF_MSG_get_certReqId(OSSL_CRMF_MSG *crm)
+int OSSL_CRMF_MSG_get_certReqId(const OSSL_CRMF_MSG *crm)
{
if (crm == NULL || /* not really needed: */ crm->certReq == NULL) {
CRMFerr(CRMF_F_OSSL_CRMF_MSG_GET_CERTREQID, CRMF_R_NULL_ARGUMENT);
OSSL_CRMF_CERTREQUEST *cr,
EVP_PKEY *pkey, int dgst)
{
- int len;
- size_t crlen;
- size_t siglen;
- unsigned char *crder = NULL, *sig = NULL;
- int alg_nid = 0;
- int md_nid = 0;
- const EVP_MD *alg = NULL;
- EVP_MD_CTX *ctx = NULL;
int ret = 0;
+ EVP_MD *fetched_md = NULL;
+ const EVP_MD *md = EVP_get_digestbynid(dgst);
if (ps == NULL || cr == NULL || pkey == NULL) {
CRMFerr(CRMF_F_CRMF_POPOSIGNINGKEY_INIT, CRMF_R_NULL_ARGUMENT);
return 0;
}
- /* OpenSSL defaults all bit strings to be encoded as ASN.1 NamedBitList */
- ps->signature->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
- ps->signature->flags |= ASN1_STRING_FLAG_BITS_LEFT;
-
- len = i2d_OSSL_CRMF_CERTREQUEST(cr, &crder);
- if (len < 0 || crder == NULL) {
- CRMFerr(CRMF_F_CRMF_POPOSIGNINGKEY_INIT, CRMF_R_ERROR);
- goto err;
- }
- crlen = (size_t)len;
+ /* If we didn't find legacy MD, we try an implicit fetch */
+ if (md == NULL)
+ md = fetched_md = EVP_MD_fetch(NULL, OBJ_nid2sn(dgst), NULL);
- if (!OBJ_find_sigid_by_algs(&alg_nid, dgst, EVP_PKEY_id(pkey))) {
+ if (md == NULL) {
CRMFerr(CRMF_F_CRMF_POPOSIGNINGKEY_INIT,
CRMF_R_UNSUPPORTED_ALG_FOR_POPSIGNINGKEY);
- goto err;
- }
- if (!OBJ_find_sigid_algs(alg_nid, &md_nid, NULL)
- || (alg = EVP_get_digestbynid(md_nid)) == NULL) {
- CRMFerr(CRMF_F_CRMF_POPOSIGNINGKEY_INIT,
- CRMF_R_UNSUPPORTED_ALG_FOR_POPSIGNINGKEY);
- goto err;
- }
- if (!X509_ALGOR_set0(ps->algorithmIdentifier, OBJ_nid2obj(alg_nid),
- V_ASN1_NULL, NULL)
- || (ctx = EVP_MD_CTX_new()) == NULL
- || EVP_DigestSignInit(ctx, NULL, alg, NULL, pkey) <= 0
- || EVP_DigestSignUpdate(ctx, crder, crlen) <= 0
- || EVP_DigestSignFinal(ctx, NULL, &siglen) <= 0) {
- CRMFerr(CRMF_F_CRMF_POPOSIGNINGKEY_INIT, CRMF_R_ERROR);
- goto err;
- }
- if ((sig = OPENSSL_malloc(siglen)) == NULL)
- goto err;
- if (EVP_DigestSignFinal(ctx, sig, &siglen) <= 0
- || !ASN1_BIT_STRING_set(ps->signature, sig, siglen)) {
- CRMFerr(CRMF_F_CRMF_POPOSIGNINGKEY_INIT, CRMF_R_ERROR);
- goto err;
+ return 0;
}
- ret = 1;
- err:
- OPENSSL_free(crder);
- EVP_MD_CTX_free(ctx);
- OPENSSL_free(sig);
+ ret = ASN1_item_sign(ASN1_ITEM_rptr(OSSL_CRMF_CERTREQUEST),
+ ps->algorithmIdentifier, NULL, ps->signature,
+ cr, pkey, md);
+
+ EVP_MD_free(fetched_md);
return ret;
}
return 0;
}
-/* returns 0 for equal, -1 for a < b or error on a, 1 for a > b or error on b */
-static int X509_PUBKEY_cmp(X509_PUBKEY *a, X509_PUBKEY *b)
-{
- X509_ALGOR *algA = NULL, *algB = NULL;
- int res = 0;
-
- if (a == b)
- return 0;
- if (a == NULL || !X509_PUBKEY_get0_param(NULL, NULL, NULL, &algA, a)
- || algA == NULL)
- return -1;
- if (b == NULL || !X509_PUBKEY_get0_param(NULL, NULL, NULL, &algB, b)
- || algB == NULL)
- return 1;
- if ((res = X509_ALGOR_cmp(algA, algB)) != 0)
- return res;
- return EVP_PKEY_cmp(X509_PUBKEY_get0(a), X509_PUBKEY_get0(b));
-}
-
/* verifies the Proof-of-Possession of the request with the given rid in reqs */
int OSSL_CRMF_MSGS_verify_popo(const OSSL_CRMF_MSGS *reqs,
int rid, int acceptRAVerified)
X509_PUBKEY *pubkey = NULL;
OSSL_CRMF_POPOSIGNINGKEY *sig = NULL;
- if (reqs == NULL
- || (req = sk_OSSL_CRMF_MSG_value(reqs, rid)) == NULL
- || req->popo == NULL) {
- CRMFerr(CRMF_F_OSSL_CRMF_MSGS_VERIFY_POPO,
- CRMF_R_NULL_ARGUMENT);
+ if (reqs == NULL || (req = sk_OSSL_CRMF_MSG_value(reqs, rid)) == NULL) {
+ CRMFerr(CRMF_F_OSSL_CRMF_MSGS_VERIFY_POPO, CRMF_R_NULL_ARGUMENT);
+ return 0;
+ }
+
+ if (req->popo == NULL) {
+ CRMFerr(0, CRMF_R_POPO_MISSING);
return 0;
}
switch (req->popo->type) {
case OSSL_CRMF_POPO_RAVERIFIED:
- if (acceptRAVerified)
- return 1;
+ if (!acceptRAVerified) {
+ CRMFerr(0, CRMF_R_POPO_RAVERIFIED_NOT_ACCEPTED);
+ return 0;
+ }
break;
case OSSL_CRMF_POPO_SIGNATURE:
pubkey = req->certReq->certTemplate->publicKey;
+ if (pubkey == NULL) {
+ CRMFerr(0, CRMF_R_POPO_MISSING_PUBLIC_KEY);
+ return 0;
+ }
sig = req->popo->value.signature;
if (sig->poposkInput != NULL) {
/*
* the public key from the certificate template. This MUST be
* exactly the same value as contained in the certificate template.
*/
- const ASN1_ITEM *rptr = ASN1_ITEM_rptr(OSSL_CRMF_POPOSIGNINGKEYINPUT);
-
- if (pubkey == NULL
- || sig->poposkInput->publicKey == NULL
- || X509_PUBKEY_cmp(pubkey, sig->poposkInput->publicKey)
- || ASN1_item_verify(rptr, sig->algorithmIdentifier,
- sig->signature, sig->poposkInput,
- X509_PUBKEY_get0(pubkey)) < 1)
- break;
+ if (sig->poposkInput->publicKey == NULL) {
+ CRMFerr(0, CRMF_R_POPO_MISSING_PUBLIC_KEY);
+ return 0;
+ }
+ if (X509_PUBKEY_eq(pubkey, sig->poposkInput->publicKey) != 1) {
+ CRMFerr(0, CRMF_R_POPO_INCONSISTENT_PUBLIC_KEY);
+ return 0;
+ }
+ /*
+ * TODO check the contents of the authInfo sub-field,
+ * see RFC 4211 https://tools.ietf.org/html/rfc4211#section-4.1
+ */
+ if (ASN1_item_verify(ASN1_ITEM_rptr(OSSL_CRMF_POPOSIGNINGKEYINPUT),
+ sig->algorithmIdentifier, sig->signature,
+ sig->poposkInput,
+ X509_PUBKEY_get0(pubkey)) < 1)
+ return 0;
} else {
- if (pubkey == NULL
- || req->certReq->certTemplate->subject == NULL
- || ASN1_item_verify(ASN1_ITEM_rptr(OSSL_CRMF_CERTREQUEST),
- sig->algorithmIdentifier,
- sig->signature,
- req->certReq,
- X509_PUBKEY_get0(pubkey)) < 1)
- break;
+ if (req->certReq->certTemplate->subject == NULL) {
+ CRMFerr(0, CRMF_R_POPO_MISSING_SUBJECT);
+ return 0;
+ }
+ if (ASN1_item_verify(ASN1_ITEM_rptr(OSSL_CRMF_CERTREQUEST),
+ sig->algorithmIdentifier, sig->signature,
+ req->certReq, X509_PUBKEY_get0(pubkey)) < 1)
+ return 0;
}
- return 1;
+ break;
case OSSL_CRMF_POPO_KEYENC:
/*
* TODO: when OSSL_CMP_certrep_new() supports encrypted certs,
CRMF_R_UNSUPPORTED_POPO_METHOD);
return 0;
}
- CRMFerr(CRMF_F_OSSL_CRMF_MSGS_VERIFY_POPO,
- CRMF_R_UNSUPPORTED_POPO_NOT_ACCEPTED);
- return 0;
+ return 1;
}
/* retrieves the serialNumber of the given cert template or NULL on error */
-ASN1_INTEGER *OSSL_CRMF_CERTTEMPLATE_get0_serialNumber(OSSL_CRMF_CERTTEMPLATE *tmpl)
+ASN1_INTEGER
+*OSSL_CRMF_CERTTEMPLATE_get0_serialNumber(const OSSL_CRMF_CERTTEMPLATE *tmpl)
{
return tmpl != NULL ? tmpl->serialNumber : NULL;
}
/* retrieves the issuer name of the given cert template or NULL on error */
-X509_NAME *OSSL_CRMF_CERTTEMPLATE_get0_issuer(OSSL_CRMF_CERTTEMPLATE *tmpl)
+const X509_NAME
+ *OSSL_CRMF_CERTTEMPLATE_get0_issuer(const OSSL_CRMF_CERTTEMPLATE *tmpl)
{
return tmpl != NULL ? tmpl->issuer : NULL;
}
/* retrieves the issuer name of the given CertId or NULL on error */
-X509_NAME *OSSL_CRMF_CERTID_get0_issuer(const OSSL_CRMF_CERTID *cid)
+const X509_NAME *OSSL_CRMF_CERTID_get0_issuer(const OSSL_CRMF_CERTID *cid)
{
return cid != NULL && cid->issuer->type == GEN_DIRNAME ?
cid->issuer->d.directoryName : NULL;
CRMFerr(CRMF_F_OSSL_CRMF_CERTTEMPLATE_FILL, CRMF_R_NULL_ARGUMENT);
return 0;
}
- if (subject != NULL && !X509_NAME_set(&tmpl->subject, subject))
+ if (subject != NULL && !X509_NAME_set((X509_NAME **)&tmpl->subject, subject))
return 0;
- if (issuer != NULL && !X509_NAME_set(&tmpl->issuer, issuer))
+ if (issuer != NULL && !X509_NAME_set((X509_NAME **)&tmpl->issuer, issuer))
return 0;
if (serial != NULL) {
ASN1_INTEGER_free(tmpl->serialNumber);
* returns a pointer to the decrypted certificate
* returns NULL on error or if no certificate available
*/
-X509 *OSSL_CRMF_ENCRYPTEDVALUE_get1_encCert(OSSL_CRMF_ENCRYPTEDVALUE *ecert,
+X509 *OSSL_CRMF_ENCRYPTEDVALUE_get1_encCert(const OSSL_CRMF_ENCRYPTEDVALUE *ecert,
EVP_PKEY *pkey)
{
X509 *cert = NULL; /* decrypted certificate */