decipher

A utility for identifying keys, certificates, signatures, and other cryptographic material

In English, decipher has two meanings:

1. decrypt or decode
2. understand, interpret, or identify

decipher is not a tool for decryption or cryptanalysis. It is a tool for identifying and interpreting data or files related to cryptography.

decipher can display details about cryptographic properties (and other relevant properties) of:

• X.509 certificates and keys (PEM, DER, and base64-endoded DER)
• PGP/GPG keys
• OpenSSH keys
• puTTY keys
• JSON Web Tokens (JWTs)
• UUIDs