LFSR - Known plaintext

25 Points  0x0

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Author

Brissouille,  

Level  Difficulty

Validations

738 Challengers 1%

Note  Notation

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73 Votes

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solutions 2 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
AnnoyedUnicorn Cryptanalyse  LFSR - Clair connu fr 23 November 2022 at 23:39
VGA Cryptanalyse  LFSR - Clair connu fr 23 November 2022 at 11:07
s4tb0y Cryptanalyse  LFSR - Clair connu fr 22 November 2022 at 14:47
Chelinka Cryptanalysis  LFSR - Known plaintext en 20 November 2022 at 19:18
SwannGln Cryptanalyse  LFSR - Clair connu fr 20 November 2022 at 18:43
dark0dex Cryptanalyse  LFSR - Clair connu fr 19 November 2022 at 18:30
veadil Cryptanalyse  LFSR - Clair connu fr 18 November 2022 at 19:36
czpnocf Cryptanalyse  LFSR - Clair connu fr 18 November 2022 at 14:34
b0br4nks Cryptanalyse  LFSR - Clair connu fr 17 November 2022 at 16:27
aspokalipse Cryptanalyse  LFSR - Clair connu fr 14 November 2022 at 16:48

challenges 60 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Encoding - ASCII 26% 71219 5 Xartrick 10 4 December 2012
pas_valide Encoding - UU 21% 55156 5 g0uZ 10 7 October 2006
pas_valide Hash - DCC 2% 2966 5 Podalirius 1 13 July 2021
pas_valide Hash - DCC2 2% 2912 5 Podalirius 1 13 July 2021
pas_valide Hash - LM 2% 3426 5 Podalirius 1 13 July 2021
pas_valide Hash - Message Digest 5 19% 51536 5 g0uZ 7 31 January 2010
pas_valide Hash - NT 1% 2448 5 Podalirius 1 13 July 2021
pas_valide Hash - SHA-2 10% 26623 5 koma 4 3 June 2012
pas_valide Shift cipher 7% 16501 10 m31z0nyx 10 16 February 2011
pas_valide CISCO - Salted Password 1% 2247 10 Tidusrose 3 13 July 2021
pas_valide Pixel Madness 5% 12965 15 Ryscrow 10 3 February 2011
pas_valide ELF64 - PID encryption 3% 6517 15 Lu33Y 10 8 February 2012
pas_valide File - PKZIP 4% 9973 15 g0uZ 6 30 August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 12773 15 Arod 5 22 October 2011
pas_valide Known plaintext - XOR 3% 7296 20 Ryscrow 5 3 February 2011
pas_valide Code - Pseudo Random Number Generator 2% 2839 20 Tosh 6 19 December 2012
pas_valide File - Insecure storage 1 3% 7547 20 g0uZ 7 6 February 2012
pas_valide Polyalphabetic substitution - Vigenère 4% 8335 20 Arod 3 26 October 2011
pas_valide System - Android lock pattern 3% 5520 20 Silentd 5 23 December 2012
pas_valide Transposition - Rail Fence 2% 5167 20 YellowS4 4 6 April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 1172 25 Tie21 4 17 June 2018
pas_valide AES - ECB 1% 2060 25 cez40 4 29 November 2015
pas_valide LFSR - Known plaintext 1% 738 25 Brissouille 2 28 November 2017
pas_valide RSA - Factorisation 2% 3698 25 HacKSpider 5 12 September 2010
pas_valide RSA - Decipher Oracle 1% 1423 25 Zweisamkeit 3 11 May 2017
pas_valide Service - Timing attack 1% 2304 25 g0uZ 4 28 October 2012
pas_valide Monoalphabetic substitution - Polybe 2% 3046 25 koma 6 6 December 2011
pas_valide Twisted secret 1% 303 25 NonStandardModel 1 14 August 2020
pas_valide Initialisation Vector 1% 1643 25 manticore 6 25 August 2015
pas_valide GEDEFU 1% 495 30 makhno 1 13 September 2016
pas_valide OTP - Implementation error 1% 244 30 Podalirius 2 22 March 2021
pas_valide RSA - Corrupted key 1 1% 326 30 blackndoor 2 28 November 2017
pas_valide RSA - Continued fractions 1% 1156 30 sambecks 1 8 September 2015
pas_valide RSA - Common modulus 1% 1423 30 franb 3 24 December 2016
pas_valide Service - Hash length extension attack 1% 872 30 koma 1 19 August 2015
pas_valide AES - 4 Rounds 1% 237 35 Cryptanalyse 0 5 September 2018
pas_valide ECDSA - Introduction 1% 224 35 Jrmbt 2 22 September 2019
pas_valide RSA - Padding 1% 224 35 Tosh 0 9 October 2016
pas_valide RSA - Signature 1% 124 35 sar 1 9 March 2020
pas_valide AES128 - CTR 1% 572 40 Tosh 2 28 August 2015
pas_valide PHP - mt_rand 1% 80 40 NonStandardModel 0 28 March 2022
pas_valide Discrete logarithm problem 1% 910 40 RFC4949 3 8 June 2014
pas_valide RSA - Corrupted key 2 1% 222 40 blackndoor 1 11 January 2018
pas_valide RSA - Corrupted key 3 1% 116 40 blackndoor 0 5 September 2019
pas_valide RSA - Multiple recipients 1% 1156 40 franb 3 29 November 2015
pas_valide AES - Fault attack #1 1% 131 50 Cryptanalyse 1 20 September 2018
pas_valide FEAL - Differential Cryptanalysis 1% 16 50 Tosh 0 28 March 2022
pas_valide Enigma Machine 1% 211 50 peyman 2 12 October 2016
pas_valide Side Channel - AES : CPA 1% 27 50 cb34 0 28 March 2022
pas_valide ECDHE 1% 197 60 Tosh 2 20 November 2016
pas_valide RSA - Lee cooper 1% 108 60 blackndoor 1 7 November 2019
pas_valide Service - CBC Padding 1% 1036 60 koma 1 4 October 2012
pas_valide Side Channel - AES : first round 1% 26 60 walafc0 0 28 March 2022
pas_valide Polyalphabetic substitution - One Time Pad 1% 347 60 Thanat0s 0 2 June 2013
pas_valide White-Box Cryptography 1% 175 60 Cryptanalyse 3 21 October 2018
pas_valide AES - Weaker variant 1% 109 70 Cryptanalyse 1 29 August 2018
pas_valide Hash - SHA-3 1% 137 75 Revenger 1 10 December 2016
pas_valide AES - Fault attack #2 1% 96 80 Cryptanalyse 1 20 September 2018
pas_valide AES-PMAC 1% 26 100 Cryptanalyse 0 26 May 2019
pas_valide ECDSA - Implementation error 1% 47 100 Tosh 0 29 September 2019