How to use ssh keys in PGP signatures
=====================================

1. generate a new ssh key pair

	% ssh-keygen -t rsa -b 4096 -f sshtest-20140202
	Generating public/private rsa key pair.
	Enter passphrase (empty for no passphrase):
	Enter same passphrase again:
	Your identification has been saved in sshtest-20140202.
	Your public key has been saved in sshtest-20140202.pub.
	The key fingerprint is:
	73:98:cf:3d:89:05:a1:6b:39:6b:24:f9:10:32:7a:05 agc@netbsd-001.cupertino.alistaircrooks.com
	The key's randomart image is:
	+--[ RSA 4096]----+
	|    E     .      |
	|     .   . .     |
	|    o o . .      |
	|   . + o = .     |
	|  . . + S . .    |
	|   .   * B + .   |
	|        + + +    |
	|       .     .   |
	|                 |
	+-----------------+
	%

2. sign newdata using netpgp

	% netpgp -s -S sshtest-20140202 newdata
	signature  4096/RSA (Encrypt or Sign) 1c5ef29143e3e3ae 2014-02-02
	Key fingerprint: a4eb b577 ff2e f878 ea40 8c14 1c5e f291 43e3 e3ae
	uid              netbsd-001.cupertino.alistaircrooks.com (sshtest-20140202.pub) <agc@netbsd-001.cupertino.alistaircrooks.com>
	%

3. verify signature on newdata

	% ./netpgpverify -S sshtest-20140202.pub newdata.gpg
	Good signature for newdata.gpg made Sun Feb  2 13:40:07 2014
	signature     4096/RSA (Encrypt or Sign) 1c5ef29143e3e3ae 2014-02-02
	fingerprint   a4eb b577 ff2e f878 ea40 8c14 1c5e f291 43e3 e3ae
	uid           netbsd-001.cupertino.alistaircrooks.com (sshtest-20140202.pub) <agc@netbsd-001.cupertino.alistaircrooks.com>

	%

4. get the contents of the file (only if the signature verifies ok)

	% ./netpgpverify -c cat -S sshtest-20140202.pub newdata.gpg
	/*-
	 * Copyright (c) 2012 Alistair Crooks <agc@NetBSD.org>
	 * All rights reserved.
	 *
	 * Redistribution and use in source and binary forms, with or without
	 * modification, are permitted provided that the following conditions
	 * are met: