// RegisterSigningMethod registers the crypto.SigningMethod in the global map.
// This is typically done inside the caller's init function.
func RegisterSigningMethod(sm crypto.SigningMethod) {
alg := sm.Alg()
if GetSigningMethod(alg) != nil {
panic("jose/jws: cannot duplicate signing methods")
}
if !sm.Hasher().Available() {
panic("jose/jws: specific hash is unavailable")
}
mu.Lock()
signingMethods[alg] = sm
mu.Unlock()
}
// RemoveSigningMethod removes the crypto.SigningMethod from the global map.
func RemoveSigningMethod(sm crypto.SigningMethod) {
mu.Lock()
delete(signingMethods, sm.Alg())
mu.Unlock()
}
func (s *sigHead) verify(pl []byte, key interface{}, method crypto.SigningMethod) error {
if s.method.Alg() != method.Alg() || s.method.Hasher() != method.Hasher() {
return ErrMismatchedAlgorithms
}
return method.Verify(format(s.Protected, pl), s.Signature, key)
}