#jwk #jwk-set #jws #signature #validation #verification #exp #private-key #first #class

jwtk

JWT signing (JWS) and verification, with first class JWK and JWK Set (JWKS) support

9 releases

0.4.0 Mar 11, 2025
0.3.0 Aug 21, 2023
0.2.4 Jun 24, 2022
0.2.3 Apr 29, 2022
0.1.1 Aug 10, 2021

#249 in Cryptography

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7,122 downloads per month
Used in 3 crates

MIT license

88KB
2.5K SLoC

JWT signing (JWS) and verification, with first class JWK and JWK Set (JWKS) support.

Supports almost all JWS algorithms:

  • HS256, HS384, HS512
  • Ed25519
  • ES256, ES384, ES512, ES256K
  • RS256, RS384, RS512
  • PS256, PS384, PS512

Supports exp and nbf validations. (Other validations will not be supported, because they are mostly application specific and can be easily implemented by applications.)

Supports converting public/private keys to/from PEM/JWK. Supports working with generic keys (where the algorithm is determined at runtime), i.e. SomePrivateKey/SomePublicKey.

Uses good old openssl for crypto.

See the examples folder for some examples.

Dependencies

~3–16MB
~200K SLoC