From 4e270b05dd9d850fb9e2e0ac43f33cb4090d3ebc Mon Sep 17 00:00:00 2001 From: Damien Miller Date: Fri, 16 Apr 2010 15:56:21 +1000 Subject: - djm@cvs.openbsd.org 2010/04/16 01:47:26 [PROTOCOL.certkeys auth-options.c auth-options.h auth-rsa.c] [auth2-pubkey.c authfd.c key.c key.h myproposal.h ssh-add.c] [ssh-agent.c ssh-dss.c ssh-keygen.1 ssh-keygen.c ssh-rsa.c] [sshconnect.c sshconnect2.c sshd.c] revised certificate format ssh-{dss,rsa}-cert-v01@openssh.com with the following changes: move the nonce field to the beginning of the certificate where it can better protect against chosen-prefix attacks on the signature hash Rename "constraints" field to "critical options" Add a new non-critical "extensions" field Add a serial number The older format is still support for authentication and cert generation (use "ssh-keygen -t v00 -s ca_key ..." to generate a v00 certificate) ok markus@ --- ssh-dss.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'ssh-dss.c') diff --git a/ssh-dss.c b/ssh-dss.c index 449f493b4..175e4d030 100644 --- a/ssh-dss.c +++ b/ssh-dss.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ssh-dss.c,v 1.25 2010/02/26 20:29:54 djm Exp $ */ +/* $OpenBSD: ssh-dss.c,v 1.26 2010/04/16 01:47:26 djm Exp $ */ /* * Copyright (c) 2000 Markus Friedl. All rights reserved. * @@ -53,9 +53,8 @@ ssh_dss_sign(const Key *key, u_char **sigp, u_int *lenp, u_int rlen, slen, len, dlen; Buffer b; - if (key == NULL || - (key->type != KEY_DSA && key->type != KEY_DSA_CERT) || - key->dsa == NULL) { + if (key == NULL || key->dsa == NULL || (key->type != KEY_DSA && + key->type != KEY_DSA_CERT && key->type != KEY_DSA_CERT_V00)) { error("ssh_dss_sign: no DSA key"); return -1; } @@ -118,9 +117,8 @@ ssh_dss_verify(const Key *key, const u_char *signature, u_int signaturelen, int rlen, ret; Buffer b; - if (key == NULL || - (key->type != KEY_DSA && key->type != KEY_DSA_CERT) || - key->dsa == NULL) { + if (key == NULL || key->dsa == NULL || (key->type != KEY_DSA && + key->type != KEY_DSA_CERT && key->type != KEY_DSA_CERT_V00)) { error("ssh_dss_verify: no DSA key"); return -1; } -- cgit v1.2.3