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searching for Ciphertext expansion 2 found (8 total)

ChaCha20-Poly1305 (1,418 words) [view diff] exact match in snippet view article find links to article

a 256-bit key and a 96-bit nonce to encrypt a plaintext, with a ciphertext expansion of 128-bit (the tag size). In the ChaCha20-Poly1305 construction

Book cipher (1,960 words) [view diff] exact match in snippet view article find links to article

number of equivalents. However, this is at the cost of a very large ciphertext expansion.[original research?] A famous use of a book cipher is in the Beale