XOR Encrypt/Decrypt
Encrypt and decrypt data using XOR cipher with a repeating key. XOR is symmetric: encrypting again with the same key decrypts.
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About XOR Cipher
XOR cipher is a symmetric encryption where each byte of the plaintext is XORed with the corresponding byte of a repeating key. While simple, it is not secure for real-world use. It is useful for CTF challenges, quick obfuscation, and understanding basic cryptography concepts.
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