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One-Time Pad (OTP)

An unbreakable cipher when used with a truly random, single-use key of equal length to the plaintext.

Securesymmetric

Plaintext / Input Message

Cryptographic Key / Shift

Auto Compute

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Preset nameSave key with preset — disabled by default. Stored keys remain readable to anyone with access to this browser profile.

Saved presets for this cipher

Output Result

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Imported traces are validated and replayed locally. They never run a cipher operation automatically.

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A simple stream cipher performing byte-wise XOR operations between plaintext and key.

Data Encryption Standard. A legacy 64-bit block cipher utilizing a 56-bit key size.

Applies the DES algorithm three times to each data block with two or three keys to increase security.

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