<?php
-require_once('library/ASNValue.class.php');
-require_once('library/asn1.php');
-
-
-function rsa_sign($data,$key) {
-
- $sig = '';
- if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
- openssl_sign($data,$sig,$key,'sha256');
- }
- else {
- if(strlen($key) < 1024 || extension_loaded('gmp')) {
- require_once('library/phpsec/Crypt/RSA.php');
- $rsa = new CRYPT_RSA();
- $rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
- $rsa->setHash('sha256');
- $rsa->loadKey($key);
- $sig = $rsa->sign($data);
- }
- else {
- logger('rsa_sign: insecure algorithm used. Please upgrade PHP to 5.3');
- openssl_private_encrypt(hex2bin('3031300d060960864801650304020105000420') . hash('sha256',$data,true), $sig, $key);
- }
- }
+require_once 'library/ASNValue.class.php';
+require_once 'library/asn1.php';
+
+// supported algorithms are 'sha256', 'sha1'
+
+function rsa_sign($data, $key, $alg = 'sha256') {
+ openssl_sign($data, $sig, $key, (($alg == 'sha1') ? OPENSSL_ALGO_SHA1 : $alg));
return $sig;
}
-function rsa_verify($data,$sig,$key) {
-
- if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
- $verify = openssl_verify($data,$sig,$key,'sha256');
- }
- else {
- if(strlen($key) <= 300 || extension_loaded('gmp')) {
- require_once('library/phpsec/Crypt/RSA.php');
- $rsa = new CRYPT_RSA();
- $rsa->signatureMode = CRYPT_RSA_SIGNATURE_PKCS1;
- $rsa->setHash('sha256');
- $rsa->loadKey($key);
- $verify = $rsa->verify($data,$sig);
- }
- else {
- // fallback sha256 verify for PHP < 5.3 and large key lengths
- $rawsig = '';
- openssl_public_decrypt($sig,$rawsig,$key);
- $verify = (($rawsig && substr($rawsig,-32) === hash('sha256',$data,true)) ? true : false);
- }
- }
- return $verify;
+function rsa_verify($data, $sig, $key, $alg = 'sha256') {
+ return openssl_verify($data, $sig, $key, (($alg == 'sha1') ? OPENSSL_ALGO_SHA1 : $alg));
}
-
-function DerToPem($Der, $Private=false)
-{
- //Encode:
- $Der = base64_encode($Der);
- //Split lines:
- $lines = str_split($Der, 65);
- $body = implode("\n", $lines);
- //Get title:
- $title = $Private? 'RSA PRIVATE KEY' : 'PUBLIC KEY';
- //Add wrapping:
- $result = "-----BEGIN {$title}-----\n";
- $result .= $body . "\n";
- $result .= "-----END {$title}-----\n";
-
- return $result;
+function DerToPem($Der, $Private = false) {
+ //Encode:
+ $Der = base64_encode($Der);
+ //Split lines:
+ $lines = str_split($Der, 65);
+ $body = implode("\n", $lines);
+ //Get title:
+ $title = $Private ? 'RSA PRIVATE KEY' : 'PUBLIC KEY';
+ //Add wrapping:
+ $result = "-----BEGIN {$title}-----\n";
+ $result .= $body . "\n";
+ $result .= "-----END {$title}-----\n";
+
+ return $result;
}
-function DerToRsa($Der)
-{
- //Encode:
- $Der = base64_encode($Der);
- //Split lines:
- $lines = str_split($Der, 65);
- $body = implode("\n", $lines);
- //Get title:
- $title = 'RSA PUBLIC KEY';
- //Add wrapping:
- $result = "-----BEGIN {$title}-----\n";
- $result .= $body . "\n";
- $result .= "-----END {$title}-----\n";
-
- return $result;
+function DerToRsa($Der) {
+ //Encode:
+ $Der = base64_encode($Der);
+ //Split lines:
+ $lines = str_split($Der, 64);
+ $body = implode("\n", $lines);
+ //Get title:
+ $title = 'RSA PUBLIC KEY';
+ //Add wrapping:
+ $result = "-----BEGIN {$title}-----\n";
+ $result .= $body . "\n";
+ $result .= "-----END {$title}-----\n";
+
+ return $result;
}
-
-function pkcs8_encode($Modulus,$PublicExponent) {
+function pkcs8_encode($Modulus, $PublicExponent) {
//Encode key sequence
$modulus = new ASNValue(ASNValue::TAG_INTEGER);
$modulus->SetIntBuffer($Modulus);
return $PublicDER;
}
-
-function pkcs1_encode($Modulus,$PublicExponent) {
+function pkcs1_encode($Modulus, $PublicExponent) {
//Encode key sequence
$modulus = new ASNValue(ASNValue::TAG_INTEGER);
$modulus->SetIntBuffer($Modulus);
return $bitStringValue;
}
-
-function metopem($m,$e) {
- $der = pkcs8_encode($m,$e);
- $key = DerToPem($der,false);
+function metopem($m, $e) {
+ $der = pkcs8_encode($m, $e);
+ $key = DerToPem($der, false);
return $key;
-}
-
+}
function pubrsatome($key,&$m,&$e) {
require_once('library/asn1.php');
require_once('include/salmon.php');
- $lines = explode("\n",$key);
+ $lines = explode("\n", $key);
unset($lines[0]);
unset($lines[count($lines)]);
- $x = base64_decode(implode('',$lines));
+ $x = base64_decode(implode('', $lines));
$r = ASN_BASE::parseASNString($x);
function rsatopem($key) {
- pubrsatome($key,$m,$e);
- return(metopem($m,$e));
+ pubrsatome($key, $m, $e);
+ return metopem($m, $e);
}
function pemtorsa($key) {
- pemtome($key,$m,$e);
- return(metorsa($m,$e));
+ pemtome($key, $m, $e);
+ return metorsa($m, $e);
}
-function pemtome($key,&$m,&$e) {
+function pemtome($key, &$m, &$e) {
require_once('include/salmon.php');
- $lines = explode("\n",$key);
+ $lines = explode("\n", $key);
unset($lines[0]);
unset($lines[count($lines)]);
- $x = base64_decode(implode('',$lines));
+ $x = base64_decode(implode('', $lines));
$r = ASN_BASE::parseASNString($x);
$e = base64url_decode($r[0]->asnData[1]->asnData[0]->asnData[1]->asnData);
}
-function metorsa($m,$e) {
- $der = pkcs1_encode($m,$e);
+function metorsa($m, $e) {
+ $der = pkcs1_encode($m, $e);
$key = DerToRsa($der);
return $key;
-}
+}
function salmon_key($pubkey) {
- pemtome($pubkey,$m,$e);
- return 'RSA' . '.' . base64url_encode($m,true) . '.' . base64url_encode($e,true) ;
+ pemtome($pubkey, $m, $e);
+ return 'RSA' . '.' . base64url_encode($m, true) . '.' . base64url_encode($e, true) ;
}
+function new_keypair($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;
+}
projects / friendica.git / blobdiff