From afaf9ec74fe0662de76deabd11d630f871802579 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Sun, 20 May 2012 18:30:02 -0700
Subject: rev update

---
 include/crypto.php | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

(limited to 'include/crypto.php')

diff --git a/include/crypto.php b/include/crypto.php
index 0feb45c24..6fc9a287e 100644
--- a/include/crypto.php
+++ b/include/crypto.php
@@ -292,4 +292,38 @@ function zot_unencapsulate($data,$prvkey) {
 	$ret['sender'] = $s;
 	$ret['data'] = aes_unencapsulate($x,$prvkey);
 	return $ret;
-}
\ No newline at end of file
+}
+
+function new_keypair($bits) {
+
+	$openssl_options = array(
+		'digest_alg'       => 'sha1',
+		'private_key_bits' => $bits,
+		'encrypt_key'      => false 
+	);
+
+	$conf = get_config('system','openssl_conf_file');
+	if($conf)
+		$openssl_options['config'] = $conf;
+	
+	$result = openssl_pkey_new($openssl_options);
+
+	if(empty($result)) {
+		logger('new_keypair: failed');
+		return false;
+	}
+
+	// Get private key
+
+	$response = array('prvkey' => '', 'pubkey' => '');
+
+	openssl_pkey_export($result, $response['prvkey']);
+
+	// Get public key
+	$pkey = openssl_pkey_get_details($result);
+	$response['pubkey'] = $pkey["key"];
+
+	return $response;
+
+}
+
-- 
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