aziesemer

aziesemer / sshpub-to-rsa

Created September 30, 2021 21:26 — forked from thwarted/sshpub-to-rsa

converts an openssh RSA public key into a format usable by openssl rsautl (if you don't have openssh 5.6 or later with ssh-keygen PEM export format)

	#!/usr/bin/env python

	# with help and inspiration from
	# * ASN1_generate_nconf(3) (specifically the SubjectPublicKeyInfo structure)
	# * http://www.sysmic.org/dotclear/index.php?post/2010/03/24/Convert-keys-betweens-GnuPG%2C-OpenSsh-and-OpenSSL
	# * http://blog.oddbit.com/2011/05/converting-openssh-public-keys.html

	import sys
	import base64
	import struct