src/Validation/Constraint/SignedWith.php
public function assert(Token $token): void
    {
        if (! $token instanceof Token\Plain) {
            throw new ConstraintViolation('You should pass a plain token');
        }

        if ($token->headers()->get('alg') !== $this->signer->getAlgorithmId()) {
            throw new ConstraintViolation('Token signer mismatch');
        }

        if (! $this->signer->verify($token->signature()->hash(), $token->payload(), $this->key)) {
            throw new ConstraintViolation('Token signature mismatch');
        }
    }
public function assert(Token $token): void
    {
        if (! $token instanceof Token\Plain) {
            throw new ConstraintViolation('You should pass a plain token');
        }

        if ($token->headers()->get('alg') !== $this->signer->getAlgorithmId()) {
            throw new ConstraintViolation('Token signer mismatch');
        }

        if (! $this->signer->verify($token->signature()->hash(), $token->payload(), $this->key)) {
            throw new ConstraintViolation('Token signature mismatch');
        }
    }
{@inheritdoc}