Xor Encrypt Decrypt Php
Help me with XOR encryption. Here is some simple code to encrypt and decrypt. How do you Encrypt and Decrypt a PHP String? Reversible XOR encryption in PHP March 31, 2015 by funvn It took to make reversible XOR – encryption with the ability to embed the encrypted string in the URL.
- A function to encrypt/decrypt a string using XOR e source code This snippet submitted by Major_Small on 2005-01-27. It has been viewed 77519 times.
- Tool to decrypt/encrypt with XOR automatically. XOR Cipher is a cryptographic method developed with computers. Is consists in encrypting a binary message with a repeated key using a XOR multiplication.
- Encrypt or decrypt XOR using our free online tool, it works with hexadecimal, binary and text.
- @Nacereddine the 'password' is the key to encrypt/decrypt using XOR, and i'm asking how to do that 'get the original string'! – Br3x Nov 21 '11 at 16:40 @Crontab I felt it was too short to be a good answer.
- World's simplest XOR decryptor. Just paste XOR-encoded text in the form below, enter password, press XOR Decrypt button, and you get decrypted text.
I wrote this code in C# to encrypt a string with a key:
The problem is that I always get error when I want to decrypt an encryted text with this code:
Any clues?
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CodesInChaosPhp Encrypt Decrypt
3 Answers
If you have a character, a char, you can convert it to an integer, an int.
And then you can use the ^ operator to perform XOR on it. You don't appear to be using that operator at the moment, which might be the source of your problem.
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That kind of thing. Here's a longer version with comments that does the same thing in steps, to make it easier to learn from:
The short version is the same but with the intermediate variables removed, substituting expressions directly into where they're used.
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