...The password you provide is hashed ( SHA256 ) and saved into the encrypted file to check if the password provided is correct.This algorithm has limitations in general more the numbers of relative characters in the password to plaintext more secure will be the encryption.
XOR encrypt has a 3.5 of 5 editors rating from softpedia
http://www.softpedia.com/get/Security/Encrypting/XOR-Encrypt.shtml
KCrypto is a KDE2 file encryptor.
It uses the Rijndael ( block cipher algorithm AES winner ) public domain c++ class implementation written by Szymon Stefanek , and it is capable of
encrypting and decrypting every kind of file ( text and binary ) i