similar to: Incorporating X.509 certificate patch into base OpenSSH

Hi Roumen, I discovered that the need of appending the .pub part of id_rsa(client key+cert) on the server can be eliminated by adding the Certificate Blob to authorized_keys which could look something like this: x509v3-sign-rsa subject= /C=FR/ST=PARIS/L=DESEl/O=SSL/OU=VLSI/CN=10.244.82.83/emailAddress=client at company.com This is extracted from the client certificate using openssl as

Hi All, The version 5.5.1 of "X.509 certificates support in OpenSSH" is ready for download. On download page http://roumenpetrov.info.localhost/openssh/download.html#get_-5.5.1 you can found diff for OpenSSH versions 4.4p1. What's new: * specific diff of 5.5 for OpenSSH 4.4p1 Because of OpenSSH source code changes, like include statements and new server option

Hi All, The version 5.4 of "X.509 certificates support in OpenSSH" is ready for download. On download page http://roumenpetrov.info.localhost/openssh/download.html#get_-5.4 you can found diffs for OpenSSH versions 4.2p1 and 4.3p2. What's new: * given up support for "x509v3-sign-rsa-sha1" and "x509v3-sign-dss-sha1" The implementation realised in previous

Today, I released a new version of "X.509 certificates support in OpenSSH" ( http://roumenpetrov.info/openssh/ ). Version 6.0 add following enhancements: - Printable X.509 name attributes compared in UTF-8 Printable attributes are converted to utf-8 before to compare. This allow distinguished name in "authorized keys" file to be in UTF-8. - "Distinguished Name"

Hi All, Version 7.0 of "X.509 certificates support in OpenSSH" is ready for immediate download. This version allow client to use certificates and keys stored into external devices. The implementation is based on openssl dynamic engines. For instance E_NSS engine ( http://developer.berlios.de/projects/enss ) will allow you to use certificates and keys from Firefox, SeaMonkey,

Hi All, The version 6.1 of "X.509 certificates support in OpenSSH" is ready for download. On page http://www.roumenpetrov.info/openssh/download.html you can found diffs for OpenSSH versions 4.5p1,4.6p1 and 4.7p1. Details ( from http://www.roumenpetrov.info/openssh ): * distinguished name compare bug(security): The bug affect versions 6.0 and 6.0.1 only. The work around is to

Hi , I am using OpenSSH4.3p2. One of the fixes in this release says that random seed generation is not necessary for each key generation and initial seed will be served for the re-exec'ed processess. As better random seed will yield better random number generation, how can we achieve true randomization by one time random seed ? Thanks, Ponraj M

Hi, I have some observations regarding the X.509 patch developed by Roumen Petrov for OpenSSH available at http://roumenpetrov.info/openssh/ , I don't understand some things here like 1. When certificate based authentication of the client is desired, shouldn't it be something like what mod_ssl does in Apache where u have a CA certificate at the server, and then the client

Dear All, X.509 certificates support for OpenSSH version 6.0p1 was published. I brief new version include : - support for Android platform; - engine implementation is now considered stable; - various regression test improvements including fixes for OpenSSL FIPS enabled 1.0.1 stable release and korn shell Yours sincerely, Roumen Petrov -- Get X.509 certificates support in OpenSSH:

Hi all, I have pleasure to announce new version f of "X.509 certificates support in OpenSSH" Please to update your bookmarks/favorites with new location: http://roumenpetrov.info/openssh Old location is available too: http://satva.skalasoft.com/~rumen/openssh What's new: * support "Certificate Revocation Lists" (CRLs) * ssh-keyscan can show hostkey with

I'm pleased to announce that X.509 certificates support for OpenSSH-4.0p1 is now available for download. Please visit http://roumenpetrov.info/openssh/ to get it. Best regards, Roumen Petrov

I'm pleased to announce that the version "h"(code-name Validator) of "X.509 certificates support in OpenSSH" is now available for immediate download at http://roumenpetrov.info/openssh. Features: * "x509v3-sign-rsa" and "x509v3-sign-dss" public key algorithms * certificate verification * certificate validation o CRL o OCSP (optional and

Hi All, The version 5.2 of "X.509 certificates support in OpenSSH" is ready for download. Available diffs are for OpenSSH versions 3.9p1, 4.0p1 and 4.1p1. What's new: * print CERT RR (resource record) * verify remote key using DNS and CERT RR * include not-pipeline patch * work with OpenSSL 0.9.8betaX Please visit "http://roumenpetrov.info/openssh/" for more information.

Hi All, The version 5.3 of "X.509 certificates support in OpenSSH" is published. This version adds preliminary support for "x509v3-sign-rsa-sha1" and "x509v3-sign-dss-sha1" key type names in conformance with "draft-ietf-secsh-x509-02.txt" and extends "x509v3-sign-dss key type with signatures in "ssh-dss" format. More details on page

Hi All, Version 6.2 of "X.509 certificates support in OpenSSH" is ready for immediate download. Visit "http://roumenpetrov.info/openssh/" for details. Regards, Roumen Petrov

Hi, I need to add X.509 Certificate support to OpenSSH. I came across the following post on the openssh-unix-dev mailing list that is very useful: http://marc.info/?l=openssh-unix-dev&m=120298135706959&w=2 <http://marc.info/?l=openssh-unix-dev&m=120298135706959&w=2> And also, http://marc.info/?l=openssh-unix-dev&m=104395024824680&w=2

Hello list members, I would like to inform that version 7.1 of X.509 certificate support) is ready. The just published update from "Integration" series offer direct support of X.509 certificates based on RSA keys from PKCS11module. Another integration update is that now you could you use FIPS capable OpenSSL library in FIPS mode. As result of above mentioned features

Dear All, Version 7.4 of X.509 certificates support for OpenSSH was published yesterday. New feature: - RSASHA1 algorithm for DNS CERT RR as described in RFC 4034 Deprecated option X509rsaSigType is finally removed. More detailed description is available on http://roumenpetrov.info/openssh/ Yours sincerely, Roumen Petrov

Hi All, Diffs of "X.509v3 certificates support for OpenSSH" versions g4(Compatibility) and h(Validator) for OpenSSH-3.9p1 are ready for download. Please visit "http://roumenpetrov.info/openssh" for more information. Features: * "x509v3-sign-rsa" and "x509v3-sign-dss" public key algorithms * certificate verification * certificate validation o CRL o

Can you implement revocation support? On Fri, May 25, 2018 at 6:55 AM, Damien Miller <djm at mindrot.org> wrote: > No way, sorry. > > The OpenSSH certificate format was significantly motivated by X.509's > syntactic and semantic complexity, and the consequent attack surface in > the sensitive pre-authentication paths of our code. We're very happy to > be able to