yubikey-agent
dedupfs
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yubikey-agent | dedupfs | |
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15 | 1 | |
2,564 | 123 | |
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0.0 | 0.0 | |
5 months ago | almost 14 years ago | |
Go | Python | |
BSD 3-clause "New" or "Revised" License | GNU General Public License v3.0 or later |
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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
dedupfs
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FreeBSD SSH Hardening
Is it possible to use tarsnap's deduplication code on my own server? We're setting up an ML dataset distribution box, and I was hoping to avoid storing e.g. imagenet as a tarball + untar'd (so that nginx can serve each photo individually) + imagenet in TFDS format.
https://github.com/xolox/dedupfs was the closest I found, but it has a lot of downsides.
Has anyone made an interface to tarsnap's tarball dedup code? A python wrapper around the block dedup code would be ideal, but I doubt it exists.
(Sorry for the random question -- I was just hoping for a standalone library along the lines of tarsnap's "filesystem block database" APIs. I thought about emailing this to you instead, but I'm crossing my fingers that some random HN'er might know. I'm sort of surprised that filesystems don't make it effortless. In fact, I delayed posting this for an hour to go research whether ZFS is the actual solution -- apparently "no, not unless you have specific brands of SSDs: https://www.truenas.com/community/resources/my-experiments-i..." which rules out my non-SSD 64TB Hetzner server. But like, dropbox solved this problem a decade ago -- isn't there something similar by now?)
What are some alternatives?
wsl-ssh-agent - Helper to interface with Windows ssh-agent.exe service from Windows Subsystem for Linux (WSL)
tarsnap - Command-line client code for Tarsnap.
aws-vault - A vault for securely storing and accessing AWS credentials in development environments
mfsbsd - mfsBSD
authelia - The Single Sign-On Multi-Factor portal for web apps
ssh-audit - SSH server & client security auditing (banner, key exchange, encryption, mac, compression, compatibility, security, etc)
age-plugin-yubikey - YubiKey plugin for age
tinyssh - TinySSH is small server (less than 100000 words of code)
win-gpg-agent - [DEPRECATED] Windows helpers for GnuPG tools suite
testssl.sh - Testing TLS/SSL encryption anywhere on any port
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