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How can AES-CCM behave as an AEAD stream cipher?

encryption aes block-cipher stream-cipher aes-gcm

modified yesterday Maarten Bodewes♦ 60.2k

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Colliding input to compression function

hash block-cipher

modified Oct 15 at 14:49 Ella Rose♦ 17.6k

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How can frequency analysis be applied to modern ciphers?

encryption block-cipher classical-cipher ecb frequency-analysis

modified Oct 11 at 19:35 kelalaka 11.8k

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Differential Path Search of a Block Cipher

cryptanalysis block-cipher camellia

modified Oct 10 at 13:14 Patriot 1,592

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Perfect Forward Secrecy Stream Cipher based on Block Cipher

block-cipher stream-cipher modes-of-operation forward-secrecy

modified Oct 2 at 19:53 phi1010 106

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How can we reason about the cryptographic capabilities of code-breaking agencies like the NSA or GCHQ?

cryptanalysis block-cipher symmetric nsa

modified Sep 28 at 20:06 Patriot 1,592

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Is there a name for encryption which relies on repetitive calculation (=time) instead of a key-value? (e.g. block chain, hash value, block cipher)

hash block-cipher algorithm-design

asked Sep 28 at 18:46 J. Doe 136

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How to build disk encryption system using forward permutations like Gimli?

block-cipher symmetric pseudo-random-permutation gimli

modified Sep 28 at 14:13 Squeamish Ossifrage 34.7k

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Does the Blowfish cipher work with OFB mode?

block-cipher modes-of-operation blowfish ofb

modified Sep 28 at 10:20 Patriot 1,592

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Where can I find test vectors for the PRESENT cipher with a 128-bit key?

block-cipher test-vectors present

modified Sep 28 at 3:07 Squeamish Ossifrage 34.7k

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Why is ECB+CTR not a thing?

block-cipher algorithm-design modes-of-operation

modified Sep 27 at 20:42 Squeamish Ossifrage 34.7k

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Is there a 'chain-function' which allows computing the value for the index which is next, previous, +/- some constants but has no shortcut for other?

hash block-cipher algorithm-design random-number-generator permutation

asked Sep 26 at 17:10 J. Doe 136

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8 bit block cipher in CTR mode for practice - counter is 32 bits

block-cipher ctr

modified Sep 24 at 1:41 Maarten Bodewes♦ 60.2k

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Do any block cipher encryption functions (or similar functions) exist which are associative to each other and cyclic?

hash block-cipher algorithm-design random-number-generator

modified Sep 23 at 6:25 Patriot 1,592

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