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Gradient Cryptanalysis of Block Cipher CHAM 64/128. / Ryabko, Boris; Soskov, Alexander; Fionov, Andrey.

2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019. Institute of Electrical and Electronics Engineers Inc., 2019. p. 211-215 9003315 (2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review

Harvard

Ryabko, B, Soskov, A & Fionov, A 2019, Gradient Cryptanalysis of Block Cipher CHAM 64/128. in 2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019., 9003315, 2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019, Institute of Electrical and Electronics Engineers Inc., pp. 211-215, 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019, Moscow, Russian Federation, 21.10.2019. https://doi.org/10.1109/REDUNDANCY48165.2019.9003315

APA

Ryabko, B., Soskov, A., & Fionov, A. (2019). Gradient Cryptanalysis of Block Cipher CHAM 64/128. In 2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019 (pp. 211-215). [9003315] (2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/REDUNDANCY48165.2019.9003315

Vancouver

Ryabko B, Soskov A, Fionov A. Gradient Cryptanalysis of Block Cipher CHAM 64/128. In 2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019. Institute of Electrical and Electronics Engineers Inc. 2019. p. 211-215. 9003315. (2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019). doi: 10.1109/REDUNDANCY48165.2019.9003315

Author

Ryabko, Boris ; Soskov, Alexander ; Fionov, Andrey. / Gradient Cryptanalysis of Block Cipher CHAM 64/128. 2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019. Institute of Electrical and Electronics Engineers Inc., 2019. pp. 211-215 (2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019).

BibTeX

@inproceedings{6e942a6d68724dbbb0b4fdcf0a91c13e,
title = "Gradient Cryptanalysis of Block Cipher CHAM 64/128",
abstract = "We1 provide the results of cryptanalysis of the lightweight block cipher CHAM 64/128 carried out by means of a so-called gradient statistical attack. The experiments show that after 23 rounds the secret key can be determined with probability 0.01 under the length of the input sample 231 bytes and complexity 237 round function evaluations. Theoretical extrapolation of the suggested attack shows that the key can be completely determined with probability 0.01 after 57 rounds. The recommended number of rounds for CHAM 64/128 is 80. According to the cipher designers, the most successful attack has been a related-key boomerang attack which is effective on 56 rounds.",
keywords = "block ciphers, cryptanalysis, Lightweight ciphers, statistical attack",
author = "Boris Ryabko and Alexander Soskov and Andrey Fionov",
year = "2019",
month = oct,
doi = "10.1109/REDUNDANCY48165.2019.9003315",
language = "English",
series = "2019 16th International Symposium {"}Problems of Redundancy in Information and Control Systems{"}, REDUNDANCY 2019",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "211--215",
booktitle = "2019 16th International Symposium {"}Problems of Redundancy in Information and Control Systems{"}, REDUNDANCY 2019",
address = "United States",
note = "16th International Symposium {"}Problems of Redundancy in Information and Control Systems{"}, REDUNDANCY 2019 ; Conference date: 21-10-2019 Through 25-10-2019",

}

RIS

TY - GEN

T1 - Gradient Cryptanalysis of Block Cipher CHAM 64/128

AU - Ryabko, Boris

AU - Soskov, Alexander

AU - Fionov, Andrey

PY - 2019/10

Y1 - 2019/10

N2 - We1 provide the results of cryptanalysis of the lightweight block cipher CHAM 64/128 carried out by means of a so-called gradient statistical attack. The experiments show that after 23 rounds the secret key can be determined with probability 0.01 under the length of the input sample 231 bytes and complexity 237 round function evaluations. Theoretical extrapolation of the suggested attack shows that the key can be completely determined with probability 0.01 after 57 rounds. The recommended number of rounds for CHAM 64/128 is 80. According to the cipher designers, the most successful attack has been a related-key boomerang attack which is effective on 56 rounds.

AB - We1 provide the results of cryptanalysis of the lightweight block cipher CHAM 64/128 carried out by means of a so-called gradient statistical attack. The experiments show that after 23 rounds the secret key can be determined with probability 0.01 under the length of the input sample 231 bytes and complexity 237 round function evaluations. Theoretical extrapolation of the suggested attack shows that the key can be completely determined with probability 0.01 after 57 rounds. The recommended number of rounds for CHAM 64/128 is 80. According to the cipher designers, the most successful attack has been a related-key boomerang attack which is effective on 56 rounds.

KW - block ciphers

KW - cryptanalysis

KW - Lightweight ciphers

KW - statistical attack

UR - http://www.scopus.com/inward/record.url?scp=85081584783&partnerID=8YFLogxK

U2 - 10.1109/REDUNDANCY48165.2019.9003315

DO - 10.1109/REDUNDANCY48165.2019.9003315

M3 - Conference contribution

AN - SCOPUS:85081584783

T3 - 2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019

SP - 211

EP - 215

BT - 2019 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 16th International Symposium "Problems of Redundancy in Information and Control Systems", REDUNDANCY 2019

Y2 - 21 October 2019 through 25 October 2019

ER -

ID: 25330836