henderjon/jwt

package jwt

// signingHash is a custom type for specifying the algorithm used
type signingHash uint

// These specify the algorithm to be used
const (
    HS256 signingHash = iota + 1
    HS384
    HS512
    // RS256
    // RS384
    // RS512
    // ES256
    // ES384
    // ES512
    // PS256
    // PS384
    // PS512
)

// Signer is implemented to add new methods for signing or verifying tokens.
type Signer interface {
    // Verify checks to see that the signed strings match; returns nil if signature is valid
    Verify(control, variable string) error
    // Sign generates a hash of a string using the previously provided algorithm
    Sign(signingString string) (string, error)
    // Name returns the name of the algorithm being used
    Name() string
}

// SignerFunc is a signing function, READ: it does the work
type SignerFunc func(json string) []byte