132 lines
4.1 KiB
Groff
132 lines
4.1 KiB
Groff
|
.\" $OpenBSD: RSA_sign_ASN1_OCTET_STRING.3,v 1.7 2019/06/10 14:58:48 schwarze Exp $
|
||
|
|
.\" OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100
|
||
|
|
.\"
|
||
|
|
.\" This file was written by Ulf Moeller <ulf@openssl.org>.
|
||
|
|
.\" Copyright (c) 2000 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: June 10 2019 $
|
||
|
|
.Dt RSA_SIGN_ASN1_OCTET_STRING 3
|
||
|
|
.Os
|
||
|
|
.Sh NAME
|
||
|
|
.Nm RSA_sign_ASN1_OCTET_STRING ,
|
||
|
|
.Nm RSA_verify_ASN1_OCTET_STRING
|
||
|
|
.Nd RSA signatures
|
||
|
|
.Sh SYNOPSIS
|
||
|
|
.In openssl/rsa.h
|
||
|
|
.Ft int
|
||
|
|
.Fo RSA_sign_ASN1_OCTET_STRING
|
||
|
|
.Fa "int dummy"
|
||
|
|
.Fa "unsigned char *m"
|
||
|
|
.Fa "unsigned int m_len"
|
||
|
|
.Fa "unsigned char *sigret"
|
||
|
|
.Fa "unsigned int *siglen"
|
||
|
|
.Fa "RSA *rsa"
|
||
|
|
.Fc
|
||
|
|
.Ft int
|
||
|
|
.Fo RSA_verify_ASN1_OCTET_STRING
|
||
|
|
.Fa "int dummy"
|
||
|
|
.Fa "unsigned char *m"
|
||
|
|
.Fa "unsigned int m_len"
|
||
|
|
.Fa "unsigned char *sigbuf"
|
||
|
|
.Fa "unsigned int siglen"
|
||
|
|
.Fa "RSA *rsa"
|
||
|
|
.Fc
|
||
|
|
.Sh DESCRIPTION
|
||
|
|
.Fn RSA_sign_ASN1_OCTET_STRING
|
||
|
|
signs the octet string
|
||
|
|
.Fa m
|
||
|
|
of size
|
||
|
|
.Fa m_len
|
||
|
|
using the private key
|
||
|
|
.Fa rsa
|
||
|
|
represented in DER using PKCS #1 padding.
|
||
|
|
It stores the signature in
|
||
|
|
.Fa sigret
|
||
|
|
and the signature size in
|
||
|
|
.Fa siglen .
|
||
|
|
.Fa sigret
|
||
|
|
must point to
|
||
|
|
.Fn RSA_size rsa
|
||
|
|
bytes of memory.
|
||
|
|
.Pp
|
||
|
|
.Fa dummy
|
||
|
|
is ignored.
|
||
|
|
.Pp
|
||
|
|
.Fn RSA_verify_ASN1_OCTET_STRING
|
||
|
|
verifies that the signature
|
||
|
|
.Fa sigbuf
|
||
|
|
of size
|
||
|
|
.Fa siglen
|
||
|
|
is the DER representation of a given octet string
|
||
|
|
.Fa m
|
||
|
|
of size
|
||
|
|
.Fa m_len .
|
||
|
|
.Fa dummy
|
||
|
|
is ignored.
|
||
|
|
.Fa rsa
|
||
|
|
is the signer's public key.
|
||
|
|
.Sh RETURN VALUES
|
||
|
|
.Fn RSA_sign_ASN1_OCTET_STRING
|
||
|
|
returns 1 on success or 0 otherwise.
|
||
|
|
.Fn RSA_verify_ASN1_OCTET_STRING
|
||
|
|
returns 1 on successful verification or 0 otherwise.
|
||
|
|
.Pp
|
||
|
|
The error codes can be obtained by
|
||
|
|
.Xr ERR_get_error 3 .
|
||
|
|
.Sh SEE ALSO
|
||
|
|
.Xr RSA_new 3 ,
|
||
|
|
.Xr RSA_sign 3 ,
|
||
|
|
.Xr RSA_verify 3
|
||
|
|
.Sh HISTORY
|
||
|
|
.Fn RSA_sign_ASN1_OCTET_STRING
|
||
|
|
and
|
||
|
|
.Fn RSA_verify_ASN1_OCTET_STRING
|
||
|
|
first appeared in SSLeay 0.8.0 and have been available since
|
||
|
|
.Ox 2.4 .
|
||
|
|
.Sh BUGS
|
||
|
|
These functions serve no recognizable purpose.
|