1 files changed, 160 insertions, 0 deletions
diff --git a/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PKCS1.php b/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PKCS1.php
new file mode 100644
index 0000000..276c602
--- /dev/null
+++ b/vendor/phpseclib/phpseclib/phpseclib/Crypt/RSA/Formats/Keys/PKCS1.php
@@ -0,0 +1,160 @@
+<?php
+
+/**
+ * PKCS#1 Formatted RSA Key Handler
+ *
+ * PHP version 5
+ *
+ * Used by File/X509.php
+ *
+ * Processes keys with the following headers:
+ *
+ * -----BEGIN RSA PRIVATE KEY-----
+ * -----BEGIN RSA PUBLIC KEY-----
+ *
+ * Analogous to ssh-keygen's pem format (as specified by -m)
+ *
+ * @author    Jim Wigginton <[email protected]>
+ * @copyright 2015 Jim Wigginton
+ * @license   http://www.opensource.org/licenses/mit-license.html  MIT License
+ * @link      http://phpseclib.sourceforge.net
+ */
+
+namespace phpseclib3\Crypt\RSA\Formats\Keys;
+
+use phpseclib3\Common\Functions\Strings;
+use phpseclib3\Crypt\Common\Formats\Keys\PKCS1 as Progenitor;
+use phpseclib3\File\ASN1;
+use phpseclib3\File\ASN1\Maps;
+use phpseclib3\Math\BigInteger;
+
+/**
+ * PKCS#1 Formatted RSA Key Handler
+ *
+ * @author  Jim Wigginton <[email protected]>
+ */
+abstract class PKCS1 extends Progenitor
+{
+    /**
+     * Break a public or private key down into its constituent components
+     *
+     * @param string $key
+     * @param string $password optional
+     * @return array
+     */
+    public static function load($key, $password = '')
+    {
+        if (!Strings::is_stringable($key)) {
+            throw new \UnexpectedValueException('Key should be a string - not a ' . gettype($key));
+        }
+
+        if (strpos($key, 'PUBLIC') !== false) {
+            $components = ['isPublicKey' => true];
+        } elseif (strpos($key, 'PRIVATE') !== false) {
+            $components = ['isPublicKey' => false];
+        } else {
+            $components = [];
+        }
+
+        $key = parent::load($key, $password);
+
+        $decoded = ASN1::decodeBER($key);
+        if (!$decoded) {
+            throw new \RuntimeException('Unable to decode BER');
+        }
+
+        $key = ASN1::asn1map($decoded[0], Maps\RSAPrivateKey::MAP);
+        if (is_array($key)) {
+            $components += [
+                'modulus' => $key['modulus'],
+                'publicExponent' => $key['publicExponent'],
+                'privateExponent' => $key['privateExponent'],
+                'primes' => [1 => $key['prime1'], $key['prime2']],
+                'exponents' => [1 => $key['exponent1'], $key['exponent2']],
+                'coefficients' => [2 => $key['coefficient']]
+            ];
+            if ($key['version'] == 'multi') {
+                foreach ($key['otherPrimeInfos'] as $primeInfo) {
+                    $components['primes'][] = $primeInfo['prime'];
+                    $components['exponents'][] = $primeInfo['exponent'];
+                    $components['coefficients'][] = $primeInfo['coefficient'];
+                }
+            }
+            if (!isset($components['isPublicKey'])) {
+                $components['isPublicKey'] = false;
+            }
+            return $components;
+        }
+
+        $key = ASN1::asn1map($decoded[0], Maps\RSAPublicKey::MAP);
+
+        if (!is_array($key)) {
+            throw new \RuntimeException('Unable to perform ASN1 mapping');
+        }
+
+        if (!isset($components['isPublicKey'])) {
+            $components['isPublicKey'] = true;
+        }
+
+        return $components + $key;
+    }
+
+    /**
+     * Convert a private key to the appropriate format.
+     *
+     * @param \phpseclib3\Math\BigInteger $n
+     * @param \phpseclib3\Math\BigInteger $e
+     * @param \phpseclib3\Math\BigInteger $d
+     * @param array $primes
+     * @param array $exponents
+     * @param array $coefficients
+     * @param string $password optional
+     * @param array $options optional
+     * @return string
+     */
+    public static function savePrivateKey(BigInteger $n, BigInteger $e, BigInteger $d, array $primes, array $exponents, array $coefficients, $password = '', array $options = [])
+    {
+        $num_primes = count($primes);
+        $key = [
+            'version' => $num_primes == 2 ? 'two-prime' : 'multi',
+            'modulus' => $n,
+            'publicExponent' => $e,
+            'privateExponent' => $d,
+            'prime1' => $primes[1],
+            'prime2' => $primes[2],
+            'exponent1' => $exponents[1],
+            'exponent2' => $exponents[2],
+            'coefficient' => $coefficients[2]
+        ];
+        for ($i = 3; $i <= $num_primes; $i++) {
+            $key['otherPrimeInfos'][] = [
+                'prime' => $primes[$i],
+                'exponent' => $exponents[$i],
+                'coefficient' => $coefficients[$i]
+            ];
+        }
+
+        $key = ASN1::encodeDER($key, Maps\RSAPrivateKey::MAP);
+
+        return self::wrapPrivateKey($key, 'RSA', $password, $options);
+    }
+
+    /**
+     * Convert a public key to the appropriate format
+     *
+     * @param \phpseclib3\Math\BigInteger $n
+     * @param \phpseclib3\Math\BigInteger $e
+     * @return string
+     */
+    public static function savePublicKey(BigInteger $n, BigInteger $e)
+    {
+        $key = [
+            'modulus' => $n,
+            'publicExponent' => $e
+        ];
+
+        $key = ASN1::encodeDER($key, Maps\RSAPublicKey::MAP);
+
+        return self::wrapPublicKey($key, 'RSA');
+    }
+}