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.\" ========================================================================
.\"
.IX Title "CMS_add0_cert 3"
.TH CMS_add0_cert 3 2019-12-20 1.0.2u OpenSSL
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH NAME
CMS_add0_cert, CMS_add1_cert, CMS_get1_certs, CMS_add0_crl, CMS_add1_crl, CMS_get1_crls, \- CMS certificate and CRL utility functions
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/cms.h>
\&
\& int CMS_add0_cert(CMS_ContentInfo *cms, X509 *cert);
\& int CMS_add1_cert(CMS_ContentInfo *cms, X509 *cert);
\& STACK_OF(X509) *CMS_get1_certs(CMS_ContentInfo *cms);
\&
\& int CMS_add0_crl(CMS_ContentInfo *cms, X509_CRL *crl);
\& int CMS_add1_crl(CMS_ContentInfo *cms, X509_CRL *crl);
\& STACK_OF(X509_CRL) *CMS_get1_crls(CMS_ContentInfo *cms);
.Ve
.SH DESCRIPTION
.IX Header "DESCRIPTION"
\&\fBCMS_add0_cert()\fR and \fBCMS_add1_cert()\fR add certificate \fBcert\fR to \fBcms\fR.
must be of type signed data or enveloped data.
.PP
\&\fBCMS_get1_certs()\fR returns all certificates in \fBcms\fR.
.PP
\&\fBCMS_add0_crl()\fR and \fBCMS_add1_crl()\fR add CRL \fBcrl\fR to \fBcms\fR. \fBCMS_get1_crls()\fR
returns any CRLs in \fBcms\fR.
.SH NOTES
.IX Header "NOTES"
The CMS_ContentInfo structure \fBcms\fR must be of type signed data or enveloped
data or an error will be returned.
.PP
For signed data certificates and CRLs are added to the \fBcertificates\fR and
\&\fBcrls\fR fields of SignedData structure. For enveloped data they are added to
\&\fBOriginatorInfo\fR.
.PP
As the \fB0\fR implies \fBCMS_add0_cert()\fR adds \fBcert\fR internally to \fBcms\fR and it
must not be freed up after the call as opposed to \fBCMS_add1_cert()\fR where \fBcert\fR
must be freed up.
.PP
The same certificate or CRL must not be added to the same cms structure more
than once.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBCMS_add0_cert()\fR, \fBCMS_add1_cert()\fR and \fBCMS_add0_crl()\fR and \fBCMS_add1_crl()\fR return
1 for success and 0 for failure.
.PP
\&\fBCMS_get1_certs()\fR and \fBCMS_get1_crls()\fR return the STACK of certificates or CRLs
or NULL if there are none or an error occurs. The only error which will occur
in practice is if the \fBcms\fR type is invalid.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBERR_get_error\fR\|(3),
\&\fBCMS_sign\fR\|(3),
\&\fBCMS_encrypt\fR\|(3)
.SH HISTORY
.IX Header "HISTORY"
\&\fBCMS_add0_cert()\fR, \fBCMS_add1_cert()\fR, \fBCMS_get1_certs()\fR, \fBCMS_add0_crl()\fR
and \fBCMS_get1_crls()\fR were all first added to OpenSSL 0.9.8