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5 Points  0x0

Author

Xartrick,  

Level  Difficulty

Validations

93071 Challengers 26%

Note  Notation

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5643 Votes

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solutions 10 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
yamahawarn Cryptanalyse  Encodage - ASCII fr 18 August 2025 at 01:40
briskness-alive-tinderbox Cryptanalysis  Encoding - ASCII en 17 August 2025 at 23:42
Snoopy Cryptanalysis  Encoding - ASCII en 17 August 2025 at 17:48
Starbuck Cryptanalyse  Encodage - ASCII fr 17 August 2025 at 17:16
Joker Cryptanalyse  Encodage - ASCII fr 17 August 2025 at 02:09
cloudflare Cryptanalysis  Encoding - ASCII ru 17 August 2025 at 00:25
SIXI Cryptanalyse  Encodage - ASCII fr 16 August 2025 at 23:35
souhila Cryptanalyse  Encodage - ASCII fr 16 August 2025 at 22:54
LJBox Cryptanalyse  Encodage - ASCII fr 16 August 2025 at 22:19
wXeph Cryptanalyse  Encodage - ASCII fr 16 August 2025 at 21:42

challenges 75 Challenges

Results Name ↓↑ Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide AES - 4 Rounds 1% 370 35 Cryptanalyse 0 5 September 2018
pas_valide AES - CBC - Bit-Flipping Attack 1% 1697 25 Tie21 5 17 June 2018
pas_valide AES - ECB 1% 2777 25 cez40 4 29 November 2015
pas_valide AES - ECB - Copy Paste 1% 354 25 Vozec 1 5 February 2024
pas_valide AES - Fault attack #1 1% 208 50 Cryptanalyse 1 20 September 2018
pas_valide AES - Fault attack #2 1% 150 80 Cryptanalyse 1 20 September 2018
pas_valide AES - Weaker variant 1% 152 70 Cryptanalyse 1 29 August 2018
pas_valide AES-PMAC 1% 42 100 Cryptanalyse 0 26 May 2019
pas_valide AES128 - CTR 1% 743 40 Tosh 2 28 August 2015
pas_valide CISCO - Salted Password 2% 5666 10 Tidusrose 3 13 July 2021
pas_valide Circular Bit Shift 1% 1787 20 BlackRaven 3 21 March 2023
pas_valide Code - Pseudo Random Number Generator 2% 3743 20 Tosh 6 19 December 2012
pas_valide DSA - Implementation error 1% 89 25 Vozec 1 13 December 2024
pas_valide Discrete logarithm problem 1% 1340 40 RFC4949 3 8 June 2014
pas_valide ECDHE 1% 252 60 Tosh 2 20 November 2016
pas_valide ECDSA - Implementation error 1% 71 100 Tosh 0 29 September 2019
pas_valide ECDSA - Introduction 1% 344 35 Jrmbt 2 22 September 2019
pas_valide ELF64 - PID encryption 3% 8212 15 Lu33Y 10 8 February 2012
pas_valide ElGamal - Fault attack (Introduction) 1% 43 35 Vozec 0 13 December 2024
pas_valide Encoding - ASCII 26% 93047 5 Xartrick 10 4 December 2012
pas_valide Encoding - Codebook 1% 471 20 n3rada 1 21 March 2023
pas_valide Encoding - UU 20% 71584 5 g0uZ 10 7 October 2006
pas_valide Enigma Machine 1% 278 50 peyman 2 12 October 2016
pas_valide FEAL - Differential Cryptanalysis 1% 52 50 Tosh 0 28 March 2022
pas_valide File - Insecure storage 1 3% 9491 20 g0uZ 7 6 February 2012
pas_valide File - PKZIP 4% 13507 15 g0uZ 6 30 August 2010
pas_valide File - PKZIP 2 1% 369 20 kevin.mille 2 8 November 2024
pas_valide GEDEFU 1% 581 30 makhno 1 13 September 2016
pas_valide Goldreich Goldwasser Halevi | Weak Parameter 1% 25 50 Vozec 0 13 December 2024
pas_valide Hash - DCC 3% 8932 5 Podalirius 1 13 July 2021
pas_valide Hash - DCC2 3% 8210 5 Podalirius 1 13 July 2021
pas_valide Hash - LM 3% 8669 5 Podalirius 2 13 July 2021
pas_valide Hash - Message Digest 5 17% 62415 5 g0uZ 7 31 January 2010
pas_valide Hash - NT 2% 6997 5 Podalirius 2 13 July 2021
pas_valide Hash - SHA-2 9% 32988 5 koma 4 3 June 2012
pas_valide Hash - SHA-3 1% 167 75 Revenger 1 10 December 2016
pas_valide Hill Cipher 1% 244 30 LetMeR00t 1 21 March 2023
pas_valide Initialisation Vector 1% 2319 25 manticore , notfound404 6 25 August 2015
pas_valide Known plaintext - XOR 3% 9524 20 Ryscrow 5 3 February 2011
pas_valide LFSR - Known plaintext 1% 1099 25 Brissouille 2 28 November 2017
pas_valide Monoalphabetic substitution - Caesar 5% 17008 15 Arod 5 22 October 2011
pas_valide Monoalphabetic substitution - Polybe 2% 4007 25 koma 6 6 December 2011
pas_valide NTRU | Multiple Transmission 1% 31 60 Vozec 0 13 December 2024
pas_valide NTRU | Weak Parameter 1% 23 60 Vozec 0 13 December 2024
pas_valide OTP - Implementation error 1% 495 30 Podalirius 3 22 March 2021
pas_valide PHP - mt_rand 1% 177 40 NonStandardModel 0 28 March 2022
pas_valide Pixel Madness 5% 16487 15 Ryscrow 10 3 February 2011
pas_valide Polyalphabetic substitution - One Time Pad 1% 393 60 Thanat0s 0 2 June 2013
pas_valide Polyalphabetic substitution - Vigenère 3% 10693 20 Arod 3 26 October 2011
pas_valide RSA - Common modulus 1% 2089 30 franb 3 24 December 2016
pas_valide RSA - Continued fractions 1% 1532 30 sambecks 1 8 September 2015
pas_valide RSA - Corrupted key 1 1% 460 30 blackndoor 2 28 November 2017
pas_valide RSA - Corrupted key 2 1% 335 40 blackndoor 1 11 January 2018
pas_valide RSA - Corrupted key 3 1% 201 40 blackndoor 0 5 September 2019
pas_valide RSA - Decipher Oracle 1% 2103 25 Zweisamkeit 4 11 May 2017
pas_valide RSA - Factorisation 2% 5136 25 HacKSpider 5 12 September 2010
pas_valide RSA - H-rabin 1% 92 60 Vozec 0 21 March 2023
pas_valide RSA - Lee cooper 1% 172 60 blackndoor , Synacktiv 1 7 November 2019
pas_valide RSA - Multiple recipients 1% 1672 40 franb 4 29 November 2015
pas_valide RSA - Padding 1% 300 35 Tosh 0 9 October 2016
pas_valide RSA - Signature 1% 213 35 sar 1 9 March 2020
pas_valide Service - CBC Padding 1% 1387 60 koma 2 4 October 2012
pas_valide Service - Hash length extension attack 1% 1195 30 koma 1 19 August 2015
pas_valide Service - Timing attack 1% 2954 25 g0uZ , koma 5 28 October 2012
pas_valide Shamir Secret Sharing - Introduction 1% 369 30 Vozec 1 5 February 2024
pas_valide Shamir Secret Sharing - Irreducible ? 1% 39 90 Mister7F 1 5 February 2024
pas_valide Shamir Secret Sharing - Reduction 1% 52 70 Vozec 0 5 February 2024
pas_valide Shamir Secret Sharing - Traitor 1% 106 35 Vozec 1 5 February 2024
pas_valide Shift cipher 6% 21220 10 m31z0nyx 10 16 February 2011
pas_valide Side Channel - AES : CPA 1% 93 50 cb34 0 28 March 2022
pas_valide Side Channel - AES : first round 1% 96 60 walafc0 0 28 March 2022
pas_valide System - Android lock pattern 2% 7100 20 Silentd 5 23 December 2012
pas_valide Transposition - Rail Fence 2% 6690 20 YellowS4 4 6 April 2014
pas_valide Twisted secret 1% 533 25 NonStandardModel 2 14 August 2020
pas_valide White-Box Cryptography 1% 257 60 Cryptanalyse 3 21 October 2018