Merge pull request #9 from Roave/sha-encoder

SHA encoder

src/Encoder/Sha1SumEncoder.php

@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Roave\Signature\Encoder;
+
+final class Sha1SumEncoder implements EncoderInterface
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function encode(string $codeWithoutSignature): string
+    {
+        return sha1($codeWithoutSignature);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function verify(string $codeWithoutSignature, string $signature): bool
+    {
+        return hash_equals($this->encode($codeWithoutSignature), $signature);
+    }
+}

test/unit/src/Encoder/Base64EncoderTest.php

@@ -18,4 +18,10 @@ public function testEncode()
         self::assertSame('IA==', $encoder->encode(' '));
         self::assertSame('PD9waHA=', $encoder->encode('<?php'));
     }
+
+    public function testVerify()
+    {
+        $value = uniqid('values', true);
+        self::assertTrue((new Base64Encoder())->verify($value, base64_encode($value)));
+    }
 }

test/unit/src/Encoder/Sha1SumEncoderTest.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Roave\SignatureTest\Encoder;
+
+use Roave\Signature\Encoder\Sha1SumEncoder;
+
+/**
+ * @covers \Roave\Signature\Encoder\Sha1SumEncoder
+ */
+final class Sha1SumEncoderTest extends \PHPUnit_Framework_TestCase
+{
+    public function testEncode()
+    {
+        $value = uniqid('values', true);
+        self::assertSame(sha1($value), (new Sha1SumEncoder())->encode($value));
+    }
+
+    public function testVerify()
+    {
+        $value = uniqid('values', true);
+        self::assertTrue((new Sha1SumEncoder())->verify($value, sha1($value)));
+    }
+}