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PRESENT

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PRESENT

Ultra-lightweight block cipher (ISO/IEC 29192-2:2012). Smallest standardised cipher: PRESENT-80 fits in 1,075 gate equivalents — vs AES's ~3,400 GE. 64-bit block, 80 or 128-bit key, 31-round SPN with a 4-bit S-box and a 64-bit bit-permutation P-layer.

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Output Result
No output yetRun a computation to see the encrypted / decrypted result.

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

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XOR Cipher
Deprecated

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

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One-Time Pad (OTP)
Secure

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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