1.\" $OpenBSD: CMS_add0_cert.3,v 1.10 2024/11/30 21:21:40 tb Exp $ 2.\" full merge up to: OpenSSL e9b77246 Jan 20 19:58:49 2017 +0100 3.\" 4.\" This file is a derived work. 5.\" The changes are covered by the following Copyright and license: 6.\" 7.\" Copyright (c) 2019 Ingo Schwarze <schwarze@openbsd.org> 8.\" 9.\" Permission to use, copy, modify, and distribute this software for any 10.\" purpose with or without fee is hereby granted, provided that the above 11.\" copyright notice and this permission notice appear in all copies. 12.\" 13.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20.\" 21.\" The original file was written by Dr. Stephen Henson <steve@openssl.org>. 22.\" Copyright (c) 2008 The OpenSSL Project. All rights reserved. 23.\" 24.\" Redistribution and use in source and binary forms, with or without 25.\" modification, are permitted provided that the following conditions 26.\" are met: 27.\" 28.\" 1. Redistributions of source code must retain the above copyright 29.\" notice, this list of conditions and the following disclaimer. 30.\" 31.\" 2. Redistributions in binary form must reproduce the above copyright 32.\" notice, this list of conditions and the following disclaimer in 33.\" the documentation and/or other materials provided with the 34.\" distribution. 35.\" 36.\" 3. All advertising materials mentioning features or use of this 37.\" software must display the following acknowledgment: 38.\" "This product includes software developed by the OpenSSL Project 39.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 40.\" 41.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 42.\" endorse or promote products derived from this software without 43.\" prior written permission. For written permission, please contact 44.\" openssl-core@openssl.org. 45.\" 46.\" 5. Products derived from this software may not be called "OpenSSL" 47.\" nor may "OpenSSL" appear in their names without prior written 48.\" permission of the OpenSSL Project. 49.\" 50.\" 6. Redistributions of any form whatsoever must retain the following 51.\" acknowledgment: 52.\" "This product includes software developed by the OpenSSL Project 53.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" 54.\" 55.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 56.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 58.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 59.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 60.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 62.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 63.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 64.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 66.\" OF THE POSSIBILITY OF SUCH DAMAGE. 67.\" 68.Dd $Mdocdate: November 30 2024 $ 69.Dt CMS_ADD0_CERT 3 70.Os 71.Sh NAME 72.Nm CMS_add0_cert , 73.Nm CMS_add1_cert , 74.Nm CMS_get1_certs , 75.Nm CMS_add0_crl , 76.Nm CMS_add1_crl , 77.Nm CMS_get1_crls 78.Nd CMS certificate and CRL utility functions 79.Sh SYNOPSIS 80.In openssl/cms.h 81.Ft int 82.Fo CMS_add0_cert 83.Fa "CMS_ContentInfo *cms" 84.Fa "X509 *certificate" 85.Fc 86.Ft int 87.Fo CMS_add1_cert 88.Fa "CMS_ContentInfo *cms" 89.Fa "X509 *certificate" 90.Fc 91.Ft STACK_OF(X509) * 92.Fo CMS_get1_certs 93.Fa "CMS_ContentInfo *cms" 94.Fc 95.Ft int 96.Fo CMS_add0_crl 97.Fa "CMS_ContentInfo *cms" 98.Fa "X509_CRL *crl" 99.Fc 100.Ft int 101.Fo CMS_add1_crl 102.Fa "CMS_ContentInfo *cms" 103.Fa "X509_CRL *crl" 104.Fc 105.Ft STACK_OF(X509_CRL) * 106.Fo CMS_get1_crls 107.Fa "CMS_ContentInfo *cms" 108.Fc 109.Sh DESCRIPTION 110.Fn CMS_add0_cert 111adds the 112.Fa certificate 113to the 114.Fa certificates 115field of 116.Fa cms 117if it is of the type 118.Vt SignedData 119or to the 120.Fa originatorInfo.certs 121field if it is of the type 122.Vt EnvelopedData . 123.Fn CMS_add1_cert 124does the same and also increments the reference count of the 125.Fa certificate 126with 127.Xr X509_up_ref 3 128in case of success. 129.Pp 130.Fn CMS_get1_certs 131returns all certificates in 132.Fa cms . 133.Pp 134.Fn CMS_add0_crl 135adds the 136.Fa crl 137to the 138.Fa crls 139field of 140.Fa cms 141if it is of the type 142.Vt SignedData 143or to the 144.Fa originatorInfo.crls 145field if it is of the type 146.Vt EnvelopedData . 147.Fn CMS_add1_crl 148does the same and also increments the reference count of the 149.Fa crl 150with 151.Xr X509_CRL_up_ref 3 152in case of success. 153.Pp 154.Fn CMS_get1_crls 155returns any CRLs in 156.Fa cms . 157.Pp 158An error occurs if 159.Fa cms 160is of any type other than 161.Vt SignedData 162or 163.Vt EnvelopedData . 164.Pp 165The same 166.Fa certificate 167or 168.Fa crl 169must not be added to the same 170.Fa cms 171structure more than once. 172.Sh RETURN VALUES 173.Fn CMS_add0_cert , 174.Fn CMS_add1_cert , 175.Fn CMS_add0_crl , 176and 177.Fn CMS_add1_crl 178return 1 for success or 0 for failure. 179.Pp 180.Fn CMS_get1_certs 181and 182.Fn CMS_get1_crls 183return the STACK of certificates or CRLs or 184.Dv NULL 185if there are none or an error occurs. 186Possible errors are that the 187.Fa cms 188type is invalid or memory allocation failure. 189Not all errors result in an error on the error stack. 190The returned stack must be freed using the appropriate 191macro wrapper of 192.Xr sk_pop_free 3 , 193namely 194.Dv sk_X509_pop_free() 195or 196.Dv sk_X509_CRL_pop_free() . 197.Sh SEE ALSO 198.Xr CMS_ContentInfo_new 3 , 199.Xr CMS_encrypt 3 , 200.Xr CMS_final 3 , 201.Xr CMS_sign 3 , 202.Xr ERR_get_error 3 203.Sh STANDARDS 204RFC 5652: Cryptographic Message Syntax 205.Bl -dash -compact -offset indent 206.It 207section 5.1: SignedData Type 208.It 209section 6.1: EnvelopedData Type 210.El 211.Sh HISTORY 212.Fn CMS_add0_cert , 213.Fn CMS_add1_cert , 214.Fn CMS_get1_certs , 215.Fn CMS_add0_crl , 216and 217.Fn CMS_get1_crls 218first appeared in OpenSSL 0.9.8h and 219.Fn CMS_add1_crl 220in OpenSSL 1.0.0. 221These functions have been available since 222.Ox 6.7 . 223