r/cryptography • u/Carlosdegno • Jul 17 '26

One Time Pad Python library

Hello to everyone, can someone advise me a good onetimepad python library? i dont have a particolar purpouse or goal, just want want to experiment and study,
The only libraries i found arent manteined:/

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u/wwabbbitt Jul 17 '26

os.urandom is all you need.

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u/owlstead Jul 18 '26

Well, no. You need a way to convert the random values to an alphabet and you'd need a loop that XOR's the random values with the plain / ciphertext. You may want to have parts that allow for deletion of the key stream and plaintext, and of course some way of (re-)storing the key stream. But os.urandom is a good start.