allow vendord

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

@@ -0,0 +1,40 @@
+<?php
+declare(strict_types=1);
+
+namespace Lcobucci\JWT\Signer\Ecdsa;
+
+/**
+ * Manipulates the result of a ECDSA signature (points R and S) according to the
+ * JWA specs.
+ *
+ * OpenSSL creates a signature using the ASN.1 format and, according the JWA specs,
+ * the signature for JWTs must be the concatenated values of points R and S (in
+ * big-endian octet order).
+ *
+ * @internal
+ *
+ * @see https://tools.ietf.org/html/rfc7518#page-9
+ * @see https://en.wikipedia.org/wiki/Abstract_Syntax_Notation_One
+ */
+interface SignatureConverter
+{
+    /**
+     * Converts the signature generated by OpenSSL into what JWA defines
+     *
+     * @return non-empty-string
+     *
+     * @throws ConversionFailed When there was an issue during the format conversion.
+     */
+    public function fromAsn1(string $signature, int $length): string;
+
+    /**
+     * Converts the JWA signature into something OpenSSL understands
+     *
+     * @param non-empty-string $points
+     *
+     * @return non-empty-string
+     *
+     * @throws ConversionFailed When there was an issue during the format conversion.
+     */
+    public function toAsn1(string $points, int $length): string;
+}