Add Copyright and license.

In the SYNOPSIS, show prototypes rather than #define directives.
Clarify that BN_generate_prime_ex(3) takes the minimum length,
not the exact length.

1 files changed, 65 insertions, 5 deletions

diff --git a/lib/libcrypto/man/BN_generate_prime.3 b/lib/libcrypto/man/BN_generate_prime.3
index 01eb4de1f8a..a5fe7ea3345 100644
--- a/lib/libcrypto/man/BN_generate_prime.3
+++ b/lib/libcrypto/man/BN_generate_prime.3
@@ -1,6 +1,56 @@
-.\"	$OpenBSD: BN_generate_prime.3,v 1.2 2016/11/06 15:52:50 jmc Exp $
+.\"	$OpenBSD: BN_generate_prime.3,v 1.3 2016/11/20 17:12:03 schwarze Exp $
+.\"	OpenSSL 2afb29b4 Aug 14 16:47:13 2014 -0400
 .\"
-.Dd $Mdocdate: November 6 2016 $
+.\" This file was written by Ulf Moeller <ulf@openssl.org>
+.\" Bodo Moeller <bodo@openssl.org>, and Matt Caswell <matt@openssl.org>.
+.\" Copyright (c) 2000, 2003, 2013, 2014 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 20 2016 $
 .Dt BN_GENERATE_PRIME 3
 .Os
 .Sh NAME
@@ -46,8 +96,18 @@
 .Fa "int a"
 .Fa "int b"
 .Fc
-.Fd #define BN_GENCB_set_old(gencb, callback, cb_arg) ...
-.Fd #define BN_GENCB_set(gencb, callback, cb_arg) ...
+.Ft void
+.Fo BN_GENCB_set_old
+.Fa "BN_GENCB *gencb"
+.Fa "void (*callback)(int, int, void *)"
+.Fa "void *cb_arg"
+.Fc
+.Ft void
+.Fo BN_GENCB_set
+.Fa "BN_GENCB *gencb"
+.Fa "int (*callback)(int, int, BN_GENCB *)"
+.Fa "void *cb_arg"
+.Fc
 .Pp
 Deprecated:
 .Pp
@@ -80,7 +140,7 @@ Deprecated:
 .Fc
 .Sh DESCRIPTION
 .Fn BN_generate_prime_ex
-generates a pseudo-random prime number of bit length
+generates a pseudo-random prime number of at least bit length
 .Fa bits .
 If
 .Fa ret