allow vendord

vendor/lcobucci/jwt/src/Signer/Ecdsa.php

@@ -0,0 +1,67 @@
+<?php
+declare(strict_types=1);
+
+namespace Lcobucci\JWT\Signer;
+
+use Lcobucci\JWT\Signer\Ecdsa\MultibyteStringConverter;
+use Lcobucci\JWT\Signer\Ecdsa\SignatureConverter;
+
+use const OPENSSL_KEYTYPE_EC;
+
+abstract class Ecdsa extends OpenSSL
+{
+    public function __construct(
+        private readonly SignatureConverter $converter = new MultibyteStringConverter(),
+    ) {
+    }
+
+    final public function sign(string $payload, Key $key): string
+    {
+        return $this->converter->fromAsn1(
+            $this->createSignature($key->contents(), $key->passphrase(), $payload),
+            $this->pointLength(),
+        );
+    }
+
+    final public function verify(string $expected, string $payload, Key $key): bool
+    {
+        return $this->verifySignature(
+            $this->converter->toAsn1($expected, $this->pointLength()),
+            $payload,
+            $key->contents(),
+        );
+    }
+
+    /** {@inheritDoc} */
+    final protected function guardAgainstIncompatibleKey(int $type, int $lengthInBits): void
+    {
+        if ($type !== OPENSSL_KEYTYPE_EC) {
+            throw InvalidKeyProvided::incompatibleKeyType(
+                self::KEY_TYPE_MAP[OPENSSL_KEYTYPE_EC],
+                self::KEY_TYPE_MAP[$type],
+            );
+        }
+
+        $expectedKeyLength = $this->expectedKeyLength();
+
+        if ($lengthInBits !== $expectedKeyLength) {
+            throw InvalidKeyProvided::incompatibleKeyLength($expectedKeyLength, $lengthInBits);
+        }
+    }
+
+    /**
+     * @internal
+     *
+     * @return positive-int
+     */
+    abstract public function expectedKeyLength(): int;
+
+    /**
+     * Returns the length of each point in the signature, so that we can calculate and verify R and S points properly
+     *
+     * @internal
+     *
+     * @return positive-int
+     */
+    abstract public function pointLength(): int;
+}