Cryptographic keys

I used to have a variety of keys; now I use SSH keys for signing commits, and that’s about it. So everything below is deprecated.

• GPG keys
  • Current key: passcod06 (2015–2025)
  • passcod05 (2014–2015)
  • passcod04 (2013–2014)
  • passcod03 (2012–2013)
• Minisign keys
  • Identity
  • Software
• Sigstore keys
  • Cosign.01

GPG keys

These have an expiration date. I initially did 1-year keys, but that was too much trouble, so in 2015 I decided to use 10-year keys, possibly with more short-lived subkeys. In 2024 I decided I wouldn’t renew the habit.

The keys were also available on public keyservers, but these seem to be unreliable nowadays.

• pgp.mit.edu
• keys.gnupg.net

Current key: passcod06 (2015–2025)

pub   4096R/E44FC474 2015-04-11 [expires: 2025-04-08]
key   C24C ED9C 5790 0009 12F3  BAB4 B948 C4BA E44F C474
uid   Félix Saparelli (:passcod) <felix@passcod.name>

• Public key
• Signature by passcod05

passcod05 (2014–2015)

pub   4096R/AE1ED85D 2014-03-27 [expires: 2015-03-27]
key   E49C 3114 2E3D 10A4 69F0  86DC 6B09 4637 AE1E D85D
uid   Félix Saparelli (:passcod) <felix@passcod.name>

• Public key
• Signature by passcod04
• Signature by passcod06
• Revocation
• Signature on revocation by passcod06

passcod04 (2013–2014)

pub   4096R/3C51B6EB 2013-03-27 [expired: 2014-03-27]
key   0417 E9C8 3281 CB17 E7CB  B0EA AE48 6FBE 3C51 B6EB
uid   Felix Saparelli (:passcod) <me@passcod.name>

• Public key
• Signature by passcod03
• Signature by passcod05
• Revocation
• Signature on revocation by passcod05

passcod03 (2012–2013)

pub   4096R/C2C15214 2012-09-26 [expired: 2013-03-25]
key   FE31 5C83 9FC5 0618 A49B  AEE3 8487 3386 C2C1 5214
uid   Felix Saparelli (:passcod) <me@passcod.net>

• Public key
• Signature by passcod04
• Revocation
• Signature on revocation by passcod04

Minisign keys

In minisign format.

Identity

Used for identity verification.

untrusted comment: minisign public key: DC4E60487F4A50B8
RWS4UEp/SGBO3N8ppvJSbYiYPdYSxUMV6cBU2KvVo+dXLzCmUh9wWCWo

• Public key

Software

Used for signing software binaries and source.

untrusted comment: minisign public key: 2264BBE425DA952E
RWQuldol5LtkIrx0khfo4Z7Y8SixwG2K8OagJSvsJNBcuLgB2oVNJFFv

• Public key

Sigstore keys

In sigstore/cosign format, used for signing artifacts (software binary releases, container images, etc).

Eventually this will disappear as keys move to be ephemeral and generated against my identity, but in the meantime you can use this key to verify artifacts, along these lines:

$ cosign verify \
  -key https://passcod.name/info/keys/cosign.01.pub \
  ghcr.io/org/repo:version_target.ext

Cosign.01

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE3LYhdTwREhG9zVKc2aI3FzR6oHto
XRYiZtQGxtlbsUMacCHdvvBmTSEg6Zsf9jflNU0slFKExLX/z+zZHykmpg==
-----END PUBLIC KEY-----

• Public key
• Tweet with this public key