plugin optimisation - don't loop through every single plugin callback for every hook...

[friendica.git] / include / crypto.php

diff --git a/include/crypto.php b/include/crypto.php
index 0feb45c2474b58edbb0f27e066d7c382eaf2e992..6fc9a287e4238ca5743c35920fab1d2c48afc91d 100644 (file)
--- 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;
+
+}
+