Decode JWT specific base64url encoding with padding stripped.

Encode JWT specific base64url encoding with padding stripped.

Get a signing method from an "alg" string.

Create a new Token.

Parse, validate, and return a token.

Register the "alg" name and a factory function for signing method.

Exp validation failed.

Token is malformed.

NBF validation failed.

Signature validation failed.

Token could not be verified because of signing problems.

Error constants.

Error constants.

Error constants.

TimeFunc provides the current time when parsing token to validate "exp" claim (expiration time).

A JWT Token.

The error from Parse if token is not valid.

Implement SigningMethod to add new methods for signing or verifying tokens.

Parse methods use this callback function to supply the key for verification.