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Drop v2 onion support

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This commit is contained in:
Daniel Winzen
2023-08-24 23:05:12 +02:00
parent 3c30c5b370
commit aca4e19980
4 changed files with 8 additions and 61 deletions
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58
var/www/common.php
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@ -5,7 +5,7 @@ const DBUSER='hosting'; // Database user
const DBPASS='MY_PASSWORD'; // Database password
const DBNAME='hosting'; // Database
const PERSISTENT=true; // Use persistent database conection true/false
const DBVERSION=20; //database layout version
const DBVERSION=21; //database layout version
const CAPTCHA=1; // Captcha difficulty (0=off, 1=simple, 2=moderate, 3=extreme)
const ADDRESS='dhosting4xxoydyaivckq7tsmtgi4wfs3flpeyitekkmqwu4v4r46syd.onion'; // our own address
const CANONICAL_URL='https://hosting.danwin1210.me'; // our preferred domain for search engines
@ -139,14 +139,6 @@ bindtextdomain('hosting', __DIR__.'/locale');
bind_textdomain_codeset('hosting', 'UTF-8');
textdomain('hosting');
function get_onion_v2($pkey) : string {
$keyData = openssl_pkey_get_details($pkey);
$pk = base64_decode(substr($keyData['key'], 27, -26));
$skipped_first_22 = substr($pk, 22);
$first_80_bits_of_sha1 = hex2bin(substr(sha1($skipped_first_22), 0, 20));
return base32_encode($first_80_bits_of_sha1);
}
function get_onion_v3(string $sk) : string {
if(PHP_INT_SIZE === 4){
$pk = ParagonIE_Sodium_Core32_Ed25519::sk_to_pk($sk);
@ -420,47 +412,7 @@ function private_key_to_onion(string $priv_key) : array {
$onion = '';
$priv_key = trim($priv_key);
$version = 0;
if(($pkey = openssl_pkey_get_private($priv_key)) !== false){
$version = 2;
$details = openssl_pkey_get_details($pkey);
if($details['type'] === OPENSSL_KEYTYPE_RSA){
$p = gmp_init(bin2hex($details['rsa']['p']), 16);
$q = gmp_init(bin2hex($details['rsa']['q']), 16);
$n = gmp_init(bin2hex($details['rsa']['n']), 16);
$d = gmp_init(bin2hex($details['rsa']['d']), 16);
$dmp1 = gmp_init(bin2hex($details['rsa']['dmp1']), 16);
$dmq1 = gmp_init(bin2hex($details['rsa']['dmq1']), 16);
$iqmp = gmp_init(bin2hex($details['rsa']['iqmp']), 16);
}
if($details['type'] !== OPENSSL_KEYTYPE_RSA){
$message = 'Error: private key is not an RSA key.';
$ok = false;
}elseif($details['bits'] !== 1024){
$message = 'Error: private key not of bitsize 1024.';
$ok = false;
}elseif(gmp_prob_prime($p) === 0){
$message = 'Error: p is not a prime';
$ok = false;
}elseif(gmp_prob_prime($q) === 0){
$message = 'Error: q is not a prime';
$ok = false;
}elseif(gmp_cmp($n, gmp_mul($p, $q) ) !== 0){
$message = 'Error: n does not equal p q';
$ok = false;
}elseif(gmp_cmp($dmp1, gmp_mod($d, gmp_sub($p, 1) ) ) !==0 ){
$message = 'Error: dmp1 invalid';
$ok = false;
}elseif(gmp_cmp($dmq1, gmp_mod($d, gmp_sub($q, 1) ) ) !== 0){
$message = 'Error: dmq1 invalid';
$ok = false;
}elseif(gmp_cmp($iqmp, gmp_invert($q, $p) ) !==0 ){
$message = 'Error: iqmp not inverse of q';
$ok = false;
}else{
$onion = get_onion_v2($pkey);
}
return ['ok' => $ok, 'message' => $message, 'onion' => $onion, 'version' => $version];
} elseif(($priv = base64_decode($priv_key, true)) !== false){
if(($priv = base64_decode($priv_key, true)) !== false){
$version = 3;
if( ! str_starts_with( $priv, '== ed25519v1-secret: type0 ==' . hex2bin( '000000' ) ) || strlen($priv) !== 96){
$message = 'Error: v3 secret key invalid.';
@ -478,11 +430,7 @@ function private_key_to_onion(string $priv_key) : array {
function generate_new_onion(int $version = 3) : array {
$priv_key = '';
$onion = '';
if($version === 2){
$pkey = openssl_pkey_new(['private_key_bits' => 1024, 'private_key_type' => OPENSSL_KEYTYPE_RSA]);
openssl_pkey_export($pkey, $priv_key);
$onion = get_onion_v2($pkey);
} else {
if($version === 3){
$seed = random_bytes(32);
$sk = ed25519_seckey_expand($seed);
$priv_key = base64_encode('== ed25519v1-secret: type0 ==' . hex2bin('000000') . $sk);