Write new AUTHORITY_KEYID_new(3) manual page from scratch.

Both functions are listed in <openssl/x509v3.h>
and in OpenSSL doc/man3/X509_dup.pod.
OpenSSL documentation specifies the wrong header file.

2 files changed, 67 insertions, 1 deletions

diff --git a/lib/libcrypto/man/AUTHORITY_KEYID_new.3 b/lib/libcrypto/man/AUTHORITY_KEYID_new.3
new file mode 100644
index 00000000000..5186fea0f31
--- /dev/null
+++ b/lib/libcrypto/man/AUTHORITY_KEYID_new.3
@@ -0,0 +1,65 @@
+.\"	$OpenBSD: AUTHORITY_KEYID_new.3,v 1.1 2016/12/23 14:37:08 schwarze Exp $
+.\"
+.\" Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.Dd $Mdocdate: December 23 2016 $
+.Dt AUTHORITY_KEYID_NEW 3
+.Os
+.Sh NAME
+.Nm AUTHORITY_KEYID_new ,
+.Nm AUTHORITY_KEYID_free
+.Nd X.509 authority key identifier extension
+.Sh SYNOPSIS
+.In openssl/x509v3.h
+.Ft AUTHORITY_KEYID *
+.Fn AUTHORITY_KEYID_new void
+.Ft void
+.Fn AUTHORITY_KEYID_free "AUTHORITY_KEYID *id"
+.Sh DESCRIPTION
+Using the authority key identifier extension, an X.509 certificate
+or certificate revocation list can specify which key pair was used
+for signing it.
+.Pp
+.Fn AUTHORITY_KEYID_new
+allocates and initializes an empty
+.Vt AUTHORITY_KEYID
+object, representing an ASN.1 AuthorityKeyIdentifier structure
+defined in RFC 5280 section 4.2.1.1.
+It can hold an issuer name, a serial number, and a key identifier.
+.Pp
+.Fn AUTHORITY_KEYID_free
+frees
+.Fa id .
+.Sh RETURN VALUES
+.Fn AUTHORITY_KEYID_new
+returns the new
+.Vt AUTHORITY_KEYID
+object or
+.Dv NULL
+if an error occurs.
+.Sh SEE ALSO
+.Xr GENERAL_NAMES_new 3 ,
+.Xr X509_CRL_new 3 ,
+.Xr X509_EXTENSION_new 3 ,
+.Xr X509_new 3
+.Sh STANDARDS
+RFC 5280: Internet X.509 Public Key Infrastructure Certificate and
+Certificate Revocation List (CRL) Profile:
+.Bl -dash -compact
+.It
+section 4.2.1.1: Certificate Extensions: Authority Key Identifier
+.It
+section 5.2.1: CRL Extensions: Authority Key Identifier
+.El
diff --git a/lib/libcrypto/man/Makefile b/lib/libcrypto/man/Makefile
index f3910f74dd3..97593fc86f7 100644
--- a/lib/libcrypto/man/Makefile
+++ b/lib/libcrypto/man/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.90 2016/12/23 00:40:16 schwarze Exp $
+# $OpenBSD: Makefile,v 1.91 2016/12/23 14:37:08 schwarze Exp $
 
 .include <bsd.own.mk>
 
@@ -11,6 +11,7 @@ MAN=	\
 	ASN1_TYPE_get.3 \
 	ASN1_generate_nconf.3 \
 	ASN1_time_parse.3 \
+	AUTHORITY_KEYID_new.3 \
 	BF_set_key.3 \
 	BIO_ctrl.3 \
 	BIO_f_base64.3 \