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remove unused code

This commit is contained in:
Florin Peter 2013-05-17 22:44:45 +02:00
parent b6572cedac
commit 3aa48616a6
1 changed files with 9 additions and 114 deletions
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123
apps/files_encryption/lib/crypt.php
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@ -155,7 +155,7 @@ class Crypt {
// TODO: Use DI to get \OC\Files\Filesystem out of here
// Fetch all file metadata from DB
$metadata = \OC\Files\Filesystem::getFileInfo( $path, '' );
$metadata = \OC\Files\Filesystem::getFileInfo( $path);
// Return encryption status
return isset( $metadata['encrypted'] ) and ( bool )$metadata['encrypted'];
@ -474,78 +474,9 @@ class Crypt {
}
/**
* @brief Symmetrically encrypt a file by combining encrypted component data blocks
*/
public static function symmetricBlockEncryptFileContent( $plainContent, $key ) {
$crypted = '';
$remaining = $plainContent;
$testarray = array();
while( strlen( $remaining ) ) {
//echo "\n\n\$block = ".substr( $remaining, 0, 6126 );
// Encrypt a chunk of unencrypted data and add it to the rest
$block = self::symmetricEncryptFileContent( substr( $remaining, 0, 6126 ), $key );
$padded = self::addPadding( $block );
$crypted .= $block;
$testarray[] = $block;
// Remove the data already encrypted from remaining unencrypted data
$remaining = substr( $remaining, 6126 );
}
//echo "hags ";
//echo "\n\n\n\$crypted = $crypted\n\n\n";
//print_r($testarray);
return $crypted;
}
/**
* @brief Symmetrically decrypt a file by combining encrypted component data blocks
*/
public static function symmetricBlockDecryptFileContent( $crypted, $key ) {
$decrypted = '';
$remaining = $crypted;
$testarray = array();
while( strlen( $remaining ) ) {
$testarray[] = substr( $remaining, 0, 8192 );
// Decrypt a chunk of unencrypted data and add it to the rest
$decrypted .= self::symmetricDecryptFileContent( $remaining, $key );
// Remove the data already encrypted from remaining unencrypted data
$remaining = substr( $remaining, 8192 );
}
//echo "\n\n\$testarray = "; print_r($testarray);
return $decrypted;
}
/**
* @brief Generates a pseudo random initialisation vector
* @return String $iv generated IV
*/
* @brief Generates a pseudo random initialisation vector
* @return String $iv generated IV
*/
public static function generateIv() {
if ( $random = openssl_random_pseudo_bytes( 12, $strong ) ) {
@ -571,10 +502,10 @@ class Crypt {
}
/**
* @brief Generate a pseudo random 1024kb ASCII key
* @returns $key Generated key
*/
/**
* @brief Generate a pseudo random 1024kb ASCII key
* @returns $key Generated key
*/
public static function generateKey() {
// Generate key
@ -597,29 +528,6 @@ class Crypt {
}
public static function changekeypasscode( $oldPassword, $newPassword ) {
if ( \OCP\User::isLoggedIn() ) {
$key = Keymanager::getPrivateKey( $user, $view );
if ( ( $key = Crypt::symmetricDecryptFileContent($key,$oldpasswd) ) ) {
if ( ( $key = Crypt::symmetricEncryptFileContent( $key, $newpasswd ) ) ) {
Keymanager::setPrivateKey( $key );
return true;
}
}
}
return false;
}
/**
* @brief Get the blowfish encryption handeler for a key
* @param $key string (optional)
@ -713,18 +621,5 @@ class Crypt {
return array( 'data' => $cryptedData['encrypted'], 'filekey' => $multiEncrypted['data'], 'sharekeys' => $multiEncrypted['keys'] );
}
/**
* @brief Re-encryptes a legacy blowfish encrypted file using AES with integrated IV
* @param $legacyContent the legacy encrypted content to re-encrypt
* @returns cleartext content
*
* This function decrypts an content
*/
public static function legacyRecrypt( $legacyContent, $legacyPassphrase, $newPassphrase ) {
// TODO: write me
}
}