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PayU HMAC + IPN script

PayU is a leading financial services provider in global growth markets. We use our expertise and heritage in cross border and local payments to extend the services we offer to merchants and consumers.
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Standard Baconian decoder

Bacon's cipher or the Baconian cipher is a method of steganography (a method of hiding a secret message as opposed to just a cipher) devised by Francis Bacon in 1605. A message is concealed in the presentation of text, rather than its content.
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Atbash PHP encoder / decoder

The Atbash Cipher was originally a monoalphabetic substitution cipher used for the Hebrew alphabet. It is one of the earliest known subtitution ciphers to have been used, and is very simple. However, it’s simplicity is also it’s biggest pitfall, as it does not use a key. Hence every piece of plaintext enciphered using the Atbash Cipher uses the same ciphertext alphabet, and so can be easily broken, since the encryption algorithm is known to all.
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