1.\" $OpenBSD: CMS_verify_receipt.3,v 1.7 2019/11/02 15:39:46 schwarze Exp $ 2.\" full merge up to: OpenSSL e9b77246 Jan 20 19:58:49 2017 +0100 3.\" 4.\" This file was written by Dr. Stephen Henson <steve@openssl.org>. 5.\" Copyright (c) 2008 The OpenSSL Project. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in 16.\" the documentation and/or other materials provided with the 17.\" distribution. 18.\" 19.\" 3. All advertising materials mentioning features or use of this 20.\" software must display the following acknowledgment: 21.\" "This product includes software developed by the OpenSSL Project 22.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 23.\" 24.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 25.\" endorse or promote products derived from this software without 26.\" prior written permission. For written permission, please contact 27.\" openssl-core@openssl.org. 28.\" 29.\" 5. Products derived from this software may not be called "OpenSSL" 30.\" nor may "OpenSSL" appear in their names without prior written 31.\" permission of the OpenSSL Project. 32.\" 33.\" 6. Redistributions of any form whatsoever must retain the following 34.\" acknowledgment: 35.\" "This product includes software developed by the OpenSSL Project 36.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" 37.\" 38.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 39.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 41.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 42.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 43.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 44.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 45.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 46.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 47.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 48.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 49.\" OF THE POSSIBILITY OF SUCH DAMAGE. 50.\" 51.Dd $Mdocdate: November 2 2019 $ 52.Dt CMS_VERIFY_RECEIPT 3 53.Os 54.Sh NAME 55.Nm CMS_verify_receipt 56.Nd verify a CMS signed receipt 57.Sh SYNOPSIS 58.In openssl/cms.h 59.Ft int 60.Fo CMS_verify_receipt 61.Fa "CMS_ContentInfo *rcms" 62.Fa "CMS_ContentInfo *ocms" 63.Fa "STACK_OF(X509) *certs" 64.Fa "X509_STORE *store" 65.Fa "unsigned int flags" 66.Fc 67.Sh DESCRIPTION 68.Fn CMS_verify_receipt 69verifies a CMS signed receipt. 70.Fa rcms 71is the signed receipt to verify. 72.Fa ocms 73is the original 74.Vt SignedData 75structure containing the receipt request. 76.Fa certs 77is a set of certificates in which to search for the signing certificate. 78.Fa store 79is a trusted certificate store (used for chain verification). 80.Pp 81This functions behaves in a similar way to 82.Xr CMS_verify 3 83except that the 84.Fa flags 85values 86.Dv CMS_DETACHED , 87.Dv CMS_BINARY , 88.Dv CMS_TEXT , 89and 90.Dv CMS_STREAM 91are not supported since they do not make sense in the context of signed 92receipts. 93.Sh RETURN VALUES 94.Fn CMS_verify_receipt 95returns 1 for a successful verification or 0 if an error occurred. 96.Pp 97The error can be obtained from 98.Xr ERR_get_error 3 . 99.Sh SEE ALSO 100.Xr CMS_ContentInfo_new 3 , 101.Xr CMS_get1_ReceiptRequest 3 , 102.Xr CMS_sign_receipt 3 , 103.Xr CMS_verify 3 104.Sh STANDARDS 105RFC 2634: Enhanced Security Services for S/MIME, section 2.8: Receipt Syntax 106.Sh HISTORY 107.Fn CMS_verify_receipt 108first appeared in OpenSSL 0.9.8h 109and has been available since 110.Ox 6.7 . 111