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Diffstat (limited to 'lib/libcrypto/man/X509_check_ca.3')
| -rw-r--r-- | lib/libcrypto/man/X509_check_ca.3 | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/libcrypto/man/X509_check_ca.3 b/lib/libcrypto/man/X509_check_ca.3 new file mode 100644 index 00000000000..67aac693e67 --- /dev/null +++ b/lib/libcrypto/man/X509_check_ca.3 @@ -0,0 +1,93 @@ +.\" $OpenBSD: X509_check_ca.3,v 1.1 2016/12/05 15:56:46 schwarze Exp $ +.\" OpenSSL 99d63d46 Oct 26 13:56:48 2016 -0400 +.\" +.\" This file was written by Victor B. Wagner <vitus@cryptocom.ru>. +.\" Copyright (c) 2015, 2016 The OpenSSL Project. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in +.\" the documentation and/or other materials provided with the +.\" distribution. +.\" +.\" 3. All advertising materials mentioning features or use of this +.\" software must display the following acknowledgment: +.\" "This product includes software developed by the OpenSSL Project +.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" +.\" +.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to +.\" endorse or promote products derived from this software without +.\" prior written permission. For written permission, please contact +.\" openssl-core@openssl.org. +.\" +.\" 5. Products derived from this software may not be called "OpenSSL" +.\" nor may "OpenSSL" appear in their names without prior written +.\" permission of the OpenSSL Project. +.\" +.\" 6. Redistributions of any form whatsoever must retain the following +.\" acknowledgment: +.\" "This product includes software developed by the OpenSSL Project +.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY +.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR +.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED +.\" OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd $Mdocdate: December 5 2016 $ +.Dt X509_CHECK_CA 3 +.Os +.Sh NAME +.Nm X509_check_ca +.Nd check whether a certificate is a CA certificate +.Sh SYNOPSIS +.In openssl/x509v3.h +.Ft int +.Fo X509_check_ca +.Fa "X509 *cert" +.Fc +.Sh DESCRIPTION +This function checks whether the given certificate is a CA certificate, +that is, whether it can be used to sign other certificates. +.Sh RETURN VALUE +This functions returns non-zero if +.Fa cert +is a CA certificate or 0 otherwise. +.Pp +The following return values identify specific kinds of CA certificates: +.Bl -tag -width 2n +.It 1 +an X.509 v3 CA certificate with +.Sy basicConstraints +extension CA:TRUE +.It 3 +a self-signed X.509 v1 certificate +.It 4 +a certificate with +.Sy keyUsage +extension with bit +.Sy keyCertSign +set, but without +.Sy basicConstraints +.It 5 +a certificate with an outdated Netscape Certificate Type extension telling +that it is a CA certificate +.El +.Sh SEE ALSO +.Xr X509_check_issued 3 , +.Xr X509_check_purpose 3 , +.Xr X509_verify_cert 3 |