public function testSha256() { $data = array(array('03d95e184cce34c3cfa58e9a277a09a7c5ed1b2a8134ea1e52887bc66fa3f47071', 'a5c756101065ac5b8f689139e6d856fa99e54b5000b6428b43729d334cc9277d')); foreach ($data as $datum) { $this->assertSame($datum[1], Util::sha256($datum[0])); } }
/** * Generates a Service Identification Number (SIN), see: * https://en.bitcoin.it/wiki/Identity_protocol_v1 * * @return SinKey * @throws \Exception */ public function generate() { if (is_null($this->publicKey)) { throw new \Exception('Public Key has not been set'); } $compressedValue = $this->publicKey; if (empty($compressedValue)) { throw new \Exception('The Public Key needs to be generated.'); } $step1 = Util::sha256(Util::binConv($compressedValue), true); $step2 = Util::ripe160($step1); $step3 = sprintf('%s%s%s', self::SIN_VERSION, self::SIN_TYPE, $step2); $step4 = Util::twoSha256(Util::binConv($step3), true); $step5 = substr(bin2hex($step4), 0, 8); $step6 = $step3 . $step5; $this->value = Base58::encode($step6); return $this; }