Circular Bit Shift

20 Points  0x0

A well-ordered mix

Author

BlackRaven,  

Level  Difficulty

Validations

264 Challengers 1%

Note  Notation

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5
41 Votes

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solutions  Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
skilo Cryptanalyse  Circular Bit Shift fr 26 September 2023 at 18:19
BobyCow Cryptanalysis  Circular Bit Shift en 26 September 2023 at 17:05
doudou Cryptanalysis  Circular Bit Shift en 26 September 2023 at 13:08
PeterLeroy Cryptanalyse  Circular Bit Shift fr 26 September 2023 at 13:04
Kasen Cryptanalyse  Circular Bit Shift fr 25 September 2023 at 16:02
Spectrun I Cryptanalyse  Circular Bit Shift fr 24 September 2023 at 18:53
azertyty Cryptanalyse  Circular Bit Shift fr 24 September 2023 at 13:53
J_Blank Cryptanalysis  Circular Bit Shift en 23 September 2023 at 17:15
ilenado Cryptanalyse  Circular Bit Shift fr 22 September 2023 at 22:38
L12345v Cryptanalysis  Circular Bit Shift en 22 September 2023 at 18:02

challenges 64 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Encoding - ASCII 26% 77908 5 Xartrick 10 4 December 2012
pas_valide Encoding - UU 20% 60247 5 g0uZ 10 7 October 2006
pas_valide Hash - DCC 2% 4584 5 Podalirius 1 13 July 2021
pas_valide Hash - DCC2 2% 4481 5 Podalirius 1 13 July 2021
pas_valide Hash - LM 2% 5022 5 Podalirius 1 13 July 2021
pas_valide Hash - Message Digest 5 19% 54946 5 g0uZ 7 31 January 2010
pas_valide Hash - NT 2% 3949 5 Podalirius 1 13 July 2021
pas_valide Hash - SHA-2 10% 28563 5 koma 4 3 June 2012
pas_valide Shift cipher 6% 17767 10 m31z0nyx 10 16 February 2011
pas_valide CISCO - Salted Password 2% 3292 10 Tidusrose 3 13 July 2021
pas_valide Pixel Madness 5% 13986 15 Ryscrow 10 3 February 2011
pas_valide ELF64 - PID encryption 3% 6968 15 Lu33Y 10 8 February 2012
pas_valide File - PKZIP 4% 10982 15 g0uZ 6 30 August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 13924 15 Arod 5 22 October 2011
pas_valide Circular Bit Shift 1% 265 20 BlackRaven 0 21 March 2023
pas_valide Known plaintext - XOR 3% 7864 20 Ryscrow 5 3 February 2011
pas_valide Code - Pseudo Random Number Generator 2% 3055 20 Tosh 6 19 December 2012
pas_valide Encoding - Codebook 1% 135 20 n3rada 0 21 March 2023
pas_valide File - Insecure storage 1 3% 8123 20 g0uZ 7 6 February 2012
pas_valide Polyalphabetic substitution - Vigenère 3% 8989 20 Arod 3 26 October 2011
pas_valide System - Android lock pattern 2% 5973 20 Silentd 5 23 December 2012
pas_valide Transposition - Rail Fence 2% 5577 20 YellowS4 4 6 April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 1350 25 Tie21 4 17 June 2018
pas_valide AES - ECB 1% 2238 25 cez40 4 29 November 2015
pas_valide LFSR - Known plaintext 1% 839 25 Brissouille 2 28 November 2017
pas_valide RSA - Factorisation 2% 4124 25 HacKSpider 5 12 September 2010
pas_valide RSA - Decipher Oracle 1% 1643 25 Zweisamkeit 3 11 May 2017
pas_valide Service - Timing attack 1% 2505 25 g0uZ , koma 4 28 October 2012
pas_valide Monoalphabetic substitution - Polybe 2% 3383 25 koma 6 6 December 2011
pas_valide Twisted secret 1% 374 25 NonStandardModel 1 14 August 2020
pas_valide Initialisation Vector 1% 1844 25 manticore , notfound404 6 25 August 2015
pas_valide Hill Cipher 1% 98 30 LetMeR00t 0 21 March 2023
pas_valide GEDEFU 1% 527 30 makhno 1 13 September 2016
pas_valide OTP - Implementation error 1% 336 30 Podalirius 2 22 March 2021
pas_valide RSA - Corrupted key 1 1% 379 30 blackndoor 2 28 November 2017
pas_valide RSA - Continued fractions 1% 1280 30 sambecks 1 8 September 2015
pas_valide RSA - Common modulus 1% 1642 30 franb 3 24 December 2016
pas_valide Service - Hash length extension attack 1% 988 30 koma 1 19 August 2015
pas_valide AES - 4 Rounds 1% 283 35 Cryptanalyse 0 5 September 2018
pas_valide ECDSA - Introduction 1% 255 35 Jrmbt 2 22 September 2019
pas_valide RSA - Padding 1% 245 35 Tosh 0 9 October 2016
pas_valide RSA - Signature 1% 146 35 sar 1 9 March 2020
pas_valide AES128 - CTR 1% 627 40 Tosh 2 28 August 2015
pas_valide PHP - mt_rand 1% 106 40 NonStandardModel 0 28 March 2022
pas_valide Discrete logarithm problem 1% 1049 40 RFC4949 3 8 June 2014
pas_valide RSA - Corrupted key 2 1% 267 40 blackndoor 1 11 January 2018
pas_valide RSA - Corrupted key 3 1% 150 40 blackndoor 0 5 September 2019
pas_valide RSA - Multiple recipients 1% 1329 40 franb 4 29 November 2015
pas_valide AES - Fault attack #1 1% 149 50 Cryptanalyse 1 20 September 2018
pas_valide FEAL - Differential Cryptanalysis 1% 27 50 Tosh 0 28 March 2022
pas_valide Enigma Machine 1% 232 50 peyman 2 12 October 2016
pas_valide Side Channel - AES : CPA 1% 54 50 cb34 0 28 March 2022
pas_valide ECDHE 1% 205 60 Tosh 2 20 November 2016
pas_valide RSA - H-rabin 1% 29 60 Vozec 0 21 March 2023
pas_valide RSA - Lee cooper 1% 126 60 blackndoor , Synacktiv 1 7 November 2019
pas_valide Service - CBC Padding 1% 1143 60 koma 1 4 October 2012
pas_valide Side Channel - AES : first round 1% 54 60 walafc0 0 28 March 2022
pas_valide Polyalphabetic substitution - One Time Pad 1% 362 60 Thanat0s 0 2 June 2013
pas_valide White-Box Cryptography 1% 191 60 Cryptanalyse 3 21 October 2018
pas_valide AES - Weaker variant 1% 119 70 Cryptanalyse 1 29 August 2018
pas_valide Hash - SHA-3 1% 145 75 Revenger 1 10 December 2016
pas_valide AES - Fault attack #2 1% 112 80 Cryptanalyse 1 20 September 2018
pas_valide AES-PMAC 1% 33 100 Cryptanalyse 0 26 May 2019
pas_valide ECDSA - Implementation error 1% 51 100 Tosh 0 29 September 2019