Programming-Idioms

Idiom

# 307 XOR encrypt/decrypt string

Created by

Lead paragraph

Create a function that XOR encrypts/decrypts a string

New implementation

Language

Imports

Code

Documentation URL

Original attribution URL

Online runnable demo

Username

Be concise.

Be useful.

All contributions dictatorially edited by webmasters to match personal tastes.

Please do not paste any copyright violating material.

Please try to avoid dependencies to third-party libraries and frameworks.

Other implementations

sysutils

encrypted := xorstring(key, original);

sub xor_crypt {
    my ($b, $k) = @_;
    return $b ^ $k;
}

from itertools import cycle

def xor(data, key):
	return ''.join(chr(ord(x)^ord(y)) for x,y in zip(data, cycle(key)))

def xor_string(str, key)
  ords = key.chars.map(&:ord).cycle
  str.chars.zip(ords).inject(""){|res, (c,o)| res << (c.ord ^ o) }
end

fn xor(s: Vec<u8>, key: &[u8]) -> Vec<u8> {
    let mut b = key.iter().cycle();
    s.into_iter().map(|x| x ^ b.next().unwrap()).collect()
}