Add Copyright and license.

Merge various improvements from OpenSSL:
Clarify a reference to a standard.
Stop advertising ancient hash functions.
Remove incorrect statements about error return values.
Delete a cross reference to the non-existent page objects(3).

1 files changed, 54 insertions, 14 deletions

diff --git a/src/lib/libcrypto/man/RSA_sign.3 b/src/lib/libcrypto/man/RSA_sign.3
index afc24e6581..36f11a56bd 100644
--- a/src/lib/libcrypto/man/RSA_sign.3
+++ b/src/lib/libcrypto/man/RSA_sign.3
@@ -1,6 +1,55 @@
-.\"     $OpenBSD: RSA_sign.3,v 1.2 2016/11/06 15:52:50 jmc Exp $
+.\"     $OpenBSD: RSA_sign.3,v 1.3 2016/11/29 16:45:43 schwarze Exp $
+.\"     OpenSSL aa90ca11 Aug 20 15:48:56 2016 -0400
 .\"
-.Dd $Mdocdate: November 6 2016 $
+.\" This file was written by Ulf Moeller <ulf@openssl.org>.
+.\" Copyright (c) 2000, 2005, 2014, 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: November 29 2016 $
 .Dt RSA_SIGN 3
 .Os
 .Sh NAME
@@ -35,7 +84,7 @@ of size
 .Fa m_len
 using the private key
 .Fa rsa
-as specified in PKCS #1 v2.0.
+using RSASSA-PKCS1-v1_5 as specified in RFC 3447.
 It stores the signature in
 .Fa sigret
 and the signature size in
@@ -53,14 +102,6 @@ for lower-level operations.
 .Fa type
 denotes the message digest algorithm that was used to generate
 .Fa m .
-It usually is one of
-.Dv NID_sha1 ,
-.Dv NID_ripemd160 ,
-or
-.Dv NID_md5 ;
-see
-.Xr OBJ_nid2obj 3
-for details.
 If
 .Fa type
 is
@@ -84,15 +125,14 @@ signature.
 is the signer's public key.
 .Sh RETURN VALUES
 .Fn RSA_sign
-returns 1 on success or 0 otherwise.
+returns 1 on success.
 .Fn RSA_verify
-returns 1 on successful verification or 0 otherwise.
+returns 1 on successful verification.
 .Pp
 The error codes can be obtained by
 .Xr ERR_get_error 3 .
 .Sh SEE ALSO
 .Xr ERR_get_error 3 ,
-.Xr objects 3 ,
 .Xr rsa 3 ,
 .Xr RSA_private_encrypt 3 ,
 .Xr RSA_public_decrypt 3