a block cipher round module

French translation: module de chiffrement par blocs à tours

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

English term or phrase:	a block cipher round module
French translation:	module de chiffrement par blocs à tours
Entered by:	GILLES MEUNIER

21:37 Jun 29, 2018

English to French translations [PRO]
Tech/Engineering - Patents / (in a patent) a whitebox descrambler

English term or phrase: a block cipher round module

wherein a first block cipher round module uses a part of a predefined bit length of the ciphertext (C) as the input ciphertext data and wherein subsequent block cipher round use an output data of a previous block cipher round module as the input ciphertext data.

Each iteration is called a round, and the repeated function is called a round function. Typical block ciphers have 4 to 32 rounds.

Each block of ciphertext C is processed over 'n' rounds into the plaintext message 'M'. Each round 'r' receives its own round key 'RKr' as input, which is calculated from the original key 'K' in a key schedule module 501. In whitebox cryptography, each block cipher round module 4011,4012 is typically implemented using a sequence of table lookup operations hiding the value of the key 'K' and the roundkeys 'RKr' .

A block cipher round module 4011,4012 as shown in Fig.3 is shown in more detail in Fig.4. The block cipher round
function 401 contains two modules that operate in sequence...

sara sara (X) KudoZ activity Questions: 888 (10 open) (9 without valid answers) (55 closed without grading) Answers: 1 Italy
Local time: 15:48

module de chiffrement par blocs à tours

Explanation:
https://espaceeducatif.ac-rennes.fr/jahia/webdav/site/espace...

Selected response from:

GILLES MEUNIER
France
Local time: 15:48

Grading comment

merci!
4 KudoZ points were awarded for this answer

Summary of answers provided

4 +1

un module de chiffrement/cryptage itératif par blocs

Kevin Oheix

module de chiffrement par blocs à tours

GILLES MEUNIER

Discussion entries: 2

Answers

6 hrs confidence:

module de chiffrement par blocs à tours

Explanation:
https://espaceeducatif.ac-rennes.fr/jahia/webdav/site/espace...

GILLES MEUNIER
France
Local time: 15:48
Native speaker of: French
PRO pts in category: 1105

Grading comment

merci!

2 hrs confidence:

peer agreement (net): +1

un module de chiffrement/cryptage itératif par blocs

Explanation:
round = tour,

but "itératif" here since each iteration is called a round

http://iml.univ-mrs.fr/~rodier/Cours/Blocs.pdf

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Note added at 10 heures (2018-06-30 08:16:22 GMT)
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"Chiffrement", if a choice needs to be made.

I first considered using "à tours" like Gilou but I find the rendering to be wordy given the fact that "par blocs" is already used. Maybe it's just me.

Kevin Oheix
France
Local time: 15:48
Native speaker of:

French

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