first commit

libraries/vendor/lcobucci/jwt/src/Signer/UnsafeEcdsa.php

@@ -0,0 +1,60 @@
+<?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;
+
+/** @deprecated Deprecated since v4.2 */
+abstract class UnsafeEcdsa extends OpenSSL
+{
+    private SignatureConverter $converter;
+
+    public function __construct(SignatureConverter $converter)
+    {
+        $this->converter = $converter;
+    }
+
+    public static function create(): UnsafeEcdsa
+    {
+        return new static(new MultibyteStringConverter());  // @phpstan-ignore-line
+    }
+
+    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()
+        );
+    }
+
+    // phpcs:ignore SlevomatCodingStandard.Functions.UnusedParameter.UnusedParameter
+    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],
+            );
+        }
+    }
+
+    /**
+     * Returns the length of each point in the signature, so that we can calculate and verify R and S points properly
+     *
+     * @internal
+     */
+    abstract public function pointLength(): int;
+}