36 lines
1012 B
PHP
Executable File
36 lines
1012 B
PHP
Executable File
<?php
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declare(strict_types=1);
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namespace Lcobucci\JWT\Signer;
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use const OPENSSL_KEYTYPE_RSA;
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abstract class Rsa extends OpenSSL
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{
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private const MINIMUM_KEY_LENGTH = 2048;
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final public function sign(string $payload, Key $key): string
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{
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return $this->createSignature($key->contents(), $key->passphrase(), $payload);
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}
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final public function verify(string $expected, string $payload, Key $key): bool
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{
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return $this->verifySignature($expected, $payload, $key->contents());
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}
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final protected function guardAgainstIncompatibleKey(int $type, int $lengthInBits): void
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{
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if ($type !== OPENSSL_KEYTYPE_RSA) {
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throw InvalidKeyProvided::incompatibleKeyType(
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self::KEY_TYPE_MAP[OPENSSL_KEYTYPE_RSA],
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self::KEY_TYPE_MAP[$type],
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);
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}
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if ($lengthInBits < self::MINIMUM_KEY_LENGTH) {
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throw InvalidKeyProvided::tooShort(self::MINIMUM_KEY_LENGTH, $lengthInBits);
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}
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}
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}
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