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cmp_msg.c: Use issuer of reference cert as default issuer entry in certTemplate

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Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/13357)
This commit is contained in:
Dr. David von Oheimb 2020-10-27 12:00:22 +01:00
parent 4757a34751
commit d718521fca
3 changed files with 12 additions and 6 deletions
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7
crypto/cmp/cmp_msg.c
View File

@ -209,6 +209,8 @@ OSSL_CRMF_MSG *OSSL_CMP_CTX_setup_CRM(OSSL_CMP_CTX *ctx, int for_KUR, int rid)
EVP_PKEY *rkey = OSSL_CMP_CTX_get0_newPkey(ctx, 0);
STACK_OF(GENERAL_NAME) *default_sans = NULL;
const X509_NAME *subject = determine_subj(ctx, refcert, for_KUR);
const X509_NAME *issuer = ctx->issuer != NULL || refcert == NULL
? ctx->issuer : X509_get_issuer_name(refcert);
int crit = ctx->setSubjectAltNameCritical || subject == NULL;
/* RFC5280: subjectAltName MUST be critical if subject is null */
X509_EXTENSIONS *exts = NULL;
@ -234,8 +236,7 @@ OSSL_CRMF_MSG *OSSL_CMP_CTX_setup_CRM(OSSL_CMP_CTX *ctx, int for_KUR, int rid)
* it could be NULL if centralized key creation was supported
*/
|| !OSSL_CRMF_CERTTEMPLATE_fill(OSSL_CRMF_MSG_get0_tmpl(crm), rkey,
subject, ctx->issuer,
NULL /* serial */))
subject, issuer, NULL /* serial */))
goto err;
if (ctx->days != 0) {
time_t now = time(NULL);
@ -433,7 +434,7 @@ OSSL_CMP_MSG *ossl_cmp_certrep_new(OSSL_CMP_CTX *ctx, int bodytype,
if (msg->extraCerts == NULL
|| !X509_add_certs(msg->extraCerts, chain,
X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
goto err;
goto err;
}
if (!unprotectedErrors

6
doc/man1/openssl-cmp.pod.in
View File

@ -385,7 +385,8 @@ The certificate to be updated (i.e., renewed or re-keyed) in Key Update Request
It must be given for RR, while for KUR it defaults to B<-cert>.
The reference certificate determined in this way, if any, is also used for
deriving default subject DN and Subject Alternative Names for IR, CR, and KUR.
deriving default subject DN and Subject Alternative Names and the
default issuer entry in the requested certificate template of IR/CR/KUR.
Its subject is used as sender of outgoing messages if B<-cert> is not given.
Its issuer is used as default recipient in CMP message headers
if neither B<-recipient>, B<-srvcert>, nor B<-issuer> is given.
@ -612,7 +613,8 @@ The client's current CMP signer certificate.
Requires the corresponding key to be given with B<-key>.
The subject of this certificate will be used as sender of outgoing CMP messages,
while the subject of B<-oldcert> or B<-subjectName> may provide fallback values.
The issuer of this certificate is used as one of the recipient fallback values.
The issuer of this certificate is used as one of the recipient fallback values
and as fallback issuer entry in the certificate template of IR/CR/KUR.
When using signature-based message protection, this "protection certificate"
will be included first in the extraCerts field of outgoing messages
and the signature is done with the corresponding key.

5
doc/man3/OSSL_CMP_CTX_new.pod
View File

@ -437,9 +437,11 @@ Therefore the public key of this I<cert> must correspond to
the private key set before or thereafter via OSSL_CMP_CTX_set1_pkey().
When using signature-based protection of CMP request messages
this CMP signer certificate will be included first in the extraCerts field.
It serves as fallback reference certificate, see OSSL_CMP_CTX_set1_oldCert().
The subject of this I<cert> will be used as the sender field of outgoing
messages, while the subject of any cert set via OSSL_CMP_CTX_set1_oldCert()
and any value set via OSSL_CMP_CTX_set1_subjectName() are used as fallback.
The I<cert> argument may be NULL to clear the entry.
OSSL_CMP_CTX_build_cert_chain() builds a certificate chain for the CMP signer
@ -548,7 +550,8 @@ OSSL_CMP_CTX_set1_oldCert() sets the old certificate to be updated in
Key Update Requests (KUR) or to be revoked in Revocation Requests (RR).
It must be given for RR, else it defaults to the CMP signer certificate.
The reference certificate determined in this way, if any, is also used for
deriving default subject DN and Subject Alternative Names for IR, CR, and KUR.
deriving default subject DN and Subject Alternative Names and the
default issuer entry in the requested certificate template of IR/CR/KUR.
The subject of the reference certificate is used as the sender field value
in CMP message headers.
Its issuer is used as default recipient in CMP message headers.