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Fix for Setting of IV length for AEAD mode failed - closes #183

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Deon George 2023-04-02 00:36:15 +11:00
parent 1650d6a921
commit 85f8c61e80
1 changed files with 5 additions and 2 deletions
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7
lib/functions.php
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@ -793,8 +793,10 @@ function blowfish_encrypt($data,$secret=null) {
return $data;
if (! empty($data) && function_exists('openssl_encrypt') && in_array(SESSION_CIPHER, openssl_get_cipher_methods())) {
$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length(SESSION_CIPHER));
$keylen = openssl_cipher_iv_length(SESSION_CIPHER) * 2;
return openssl_encrypt($data, SESSION_CIPHER, substr($secret,0,$keylen));
$encrypted = openssl_encrypt($data, SESSION_CIPHER, substr($secret,0,$keylen), $options=0, $iv, $tag);
return base64_encode($encrypted . '::' . $iv . '::' . $tag);
}
if (function_exists('mcrypt_module_open') && ! empty($data)) {
@ -855,7 +857,8 @@ function blowfish_decrypt($encdata,$secret=null) {
if (! empty($encdata) && function_exists('openssl_encrypt') && in_array(SESSION_CIPHER, openssl_get_cipher_methods())) {
$keylen = openssl_cipher_iv_length(SESSION_CIPHER) * 2;
return trim(openssl_decrypt($encdata, SESSION_CIPHER, substr($secret,0,$keylen)));
list($encryptedData, $iv, $tag) = explode('::', base64_decode($encdata), 3);
return trim(openssl_decrypt($encryptedData, SESSION_CIPHER, substr($secret,0,$keylen), $options=0, $iv, $tag));
}
if (function_exists('mcrypt_module_open') && ! empty($encdata)) {