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Threefish-256

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Threefish-256

A tweakable, large-block ARX cipher (2008) underlying the Skein hash function (a SHA-3 finalist). 256-bit block, 72 rounds, and a 128-bit tweak that varies ciphertext without changing the key — no other cipher here exposes a tweak input.

Securesymmetric

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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.

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One-Time Pad (OTP)
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An unbreakable cipher when used with a truly random, single-use key of equal length to the plaintext.

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DES
Broken

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

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