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Twofish

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Twofish

AES finalist by Bruce Schneier et al. (1998). 128-bit block, 128/192/256-bit keys, 16-round Feistel. Uses key-dependent S-boxes (derived via RS matrix over GF(2^8)), MDS matrix diffusion, PHT, and 40 subkeys. Used in GnuPG and VeraCrypt. Never broken.

Securesymmetric

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

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XOR Cipher
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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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