yubikey-agent
testssl.sh
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yubikey-agent | testssl.sh | |
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15 | 43 | |
2,568 | 7,628 | |
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0.0 | 8.8 | |
5 months ago | 10 days ago | |
Go | Shell | |
BSD 3-clause "New" or "Revised" License | GNU General Public License v3.0 only |
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yubikey-agent
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Show HN: SSH-tpm-agent – SSH agent for TPMs
This is a great idea. I now exclusively use SSH keys on hardware security modules of some kind. I use "Secretive", a mac app that does the same, plus a yubikey using yubikey-agent (https://github.com/FiloSottile/yubikey-agent; there are too many complicated ways to use SSH keys with a yubikey this is one of the friendliest ones). Depending on the security and frequency of which I access the service impacts whether I need presence confirmation or use secretive versus the yubikey.
I would be remiss to mention there are existing SSH TPM projects, not sure how this one differentiates. It seems to at least have the user experience pretty simple, similar to yubikey-agent (and secretive), and unlike some of the existing solutions which have quite a few extra steps:
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Secretive: Store SSH Keys in the Secure Enclave
Also check out https://github.com/FiloSottile/yubikey-agent which simplifies the setup quite a bit.
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Yubikey ssh keys with Ansible, wants to be touched constantly
I'm using it on nixOS and macOS, via Nix Packages and Homebrew respectively. It's this - https://github.com/FiloSottile/yubikey-agent I'm realizing from this thread that it's not an official package. I'll go closer to the source with ykman. Thanks!
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Is it possible to use AGE with a Ledger hardware device?
I think the Ledger Manager only interfaces with the GPG and SSH agents, neither of which age take advantage of. But age does have support for Yubikeys (see https://github.com/FiloSottile/yubikey-agent). If you can interface with the Ledger hardware device as a Yubikey, this might work. I don't have experience here, just a thought.
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Cloudflare Hardware Keys (Yubico Partnership)
You can use PIV for SSH just fine.
It's not OpenSSH's weird FIDO mode, but I don't like the FIDO mode anyway because it requires storing a file on the computer.
https://github.com/FiloSottile/yubikey-agent
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Am I the only one who's nervous when SSH-agent forwarding?
I have the same concern. I modified Pageant (Windows agent) so that it prompts me before signing anything which helps ease my mind, I only approve when I know I'm connecting to a new server. There are also options like requiring a Yubikey too (https://github.com/FiloSottile/yubikey-agent)
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Failed to fetch key with ECDSA keys via libykcs11.dll
Aging MBP, Intel based, Monterey 12.3.1 uname -v Darwin Kernel Version 21.4.0: Fri Mar 18 00:45:05 PDT 2022; root:xnu-8020.101.4~15/RELEASE_X86_64 brew info yubikey-agent yubikey-agent: stable 0.1.5 (bottled), HEAD Seamless ssh-agent for YubiKeys and other PIV tokens https://filippo.io/yubikey-agent /usr/local/Cellar/yubikey-agent/0.1.5 (7 files, 4.8MB) * ...
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How to Store an SSH Key on a Yubikey
Unless I've missed something, SSH keys stored on Yubikeys are still hampered because you aren't allowed to a touch policy of "touch never".
Imagine needing to touch the Yubikey with each "git pull" or using Ansible to operate over SSH on a dozen servers in parallel, and needing to touch the Yubikey once for each server.
The feature request I'm tracking is here: https://github.com/FiloSottile/yubikey-agent/issues/95
The proposed feature would allow setting a touch policy for the SSH key.
- FreeBSD SSH Hardening
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Yubikey PIV encrypted messaging system
If you can do ssh, you can sign messages: https://github.com/FiloSottile/yubikey-agent
testssl.sh
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Badssl.com
You’re in luck because such a tool exists :) https://testssl.sh/
- Testing TLS/SSL Encryption
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Uncertain how to proceed with patching SSL and TLS issues in MacOS (Sweet32)
Run https://testssl.sh/ and see what ciphers are being offered.
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Changing SSL Wildcard Certificate
There is https://github.com/drwetter/testssl.sh utility. It can help diagnose issues (e.g. diffs between working and non-working sites).
- Specific SSL Ciphers Test
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SSL Diag Tool
For internal use, there's https://testssl.sh/
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Dovecot not offering TLSv1.2 after a few minutes
The current configuration allows for TLSv1 to TLSv1.3 connections. I can verify those using testssl.sh, the tests will succeed (although correctly mentioning, that TLSv1 and TLSv1.1 should be disabled). Running the tests again after about 5 minutes, the results are different. TLSv1.2 now shows "not offered and downgraded to a weaker protocol".
- How to combine pem file and 3 security certificates?
- oggi 2022-11-01 verrà rilasciata una vulnerabilità di livello CRITICAL su OpenSSL 3.0.x
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alternative to whatsmychaincert.com cli or gui
testssl.sh
What are some alternatives?
wsl-ssh-agent - Helper to interface with Windows ssh-agent.exe service from Windows Subsystem for Linux (WSL)
https-ssl-cert-check-zabbix - Script to check validity and expiration of TLS/SSL certificate on hosts. May be used with Zabbix or standalone.
aws-vault - A vault for securely storing and accessing AWS credentials in development environments
kubernetes-the-hard-way - Bootstrap Kubernetes the hard way. No scripts.
authelia - The Single Sign-On Multi-Factor portal for web apps
ssh-audit - SSH server auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)
age-plugin-yubikey - YubiKey plugin for age
ssh-audit - SSH server & client security auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)
win-gpg-agent - [DEPRECATED] Windows helpers for GnuPG tools suite
Wazuh - Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.
OpenSSL - TLS/SSL and crypto library