File - PKZIP

15 Points  0x0

A protected ZIP file, you have to find what’s inside.

Author

g0uZ,  

Level  Difficulty

Validations

9805 Challengers 4%

Note  Notation

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326 Votes

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solutions 6 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Wooguguss Cryptanalyse  Fichier - PKZIP fr 6 October 2022 at 13:56
Raslin777 Cryptanalysis  File - PKZIP en 5 October 2022 at 23:26
KoloMenek Cryptanalyse  Fichier - PKZIP fr 5 October 2022 at 22:16
tximista64 Cryptanalyse  Fichier - PKZIP fr 5 October 2022 at 21:24
V3locidad Cryptanalyse  Fichier - PKZIP fr 5 October 2022 at 16:34
ilyes Cryptanalyse  Fichier - PKZIP fr 5 October 2022 at 14:23
Andrew Springfield Cryptanalysis  File - PKZIP en 5 October 2022 at 13:21
Igor Cryptanalysis  File - PKZIP en 5 October 2022 at 03:11
Rerel Cryptanalyse  Fichier - PKZIP fr 4 October 2022 at 19:14
HISOKA Cryptanalyse  Fichier - PKZIP fr 4 October 2022 at 12:48

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% 69639 5 Xartrick 10 4 December 2012
pas_valide Encoding - UU 21% 53875 5 g0uZ 10 7 October 2006
pas_valide Hash - DCC 2% 2702 5 Podalirius 1 13 July 2021
pas_valide Hash - DCC2 1% 2661 5 Podalirius 1 13 July 2021
pas_valide Hash - LM 2% 3143 5 Podalirius 1 13 July 2021
pas_valide Hash - Message Digest 5 19% 50745 5 g0uZ 7 31 January 2010
pas_valide Hash - NT 1% 2210 5 Podalirius 1 13 July 2021
pas_valide Hash - SHA-2 10% 26170 5 koma 4 3 June 2012
pas_valide Shift cipher 7% 16240 10 m31z0nyx 10 16 February 2011
pas_valide CISCO - Salted Password 1% 2043 10 Tidusrose 3 13 July 2021
pas_valide Pixel Madness 5% 12781 15 Ryscrow 10 3 February 2011
pas_valide ELF64 - PID encryption 3% 6431 15 Lu33Y 10 8 February 2012
pas_valide File - PKZIP 4% 9805 15 g0uZ 6 30 August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 12542 15 Arod 5 22 October 2011
pas_valide Known plaintext - XOR 3% 7174 20 Ryscrow 5 3 February 2011
pas_valide Code - Pseudo Random Number Generator 2% 2807 20 Tosh 6 19 December 2012
pas_valide File - Insecure storage 1 3% 7439 20 g0uZ 7 6 February 2012
pas_valide Polyalphabetic substitution - Vigenère 4% 8219 20 Arod 3 26 October 2011
pas_valide System - Android lock pattern 3% 5432 20 Silentd 5 23 December 2012
pas_valide Transposition - Rail Fence 2% 5083 20 YellowS4 4 6 April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 1124 25 Tie21 4 17 June 2018
pas_valide AES - ECB 1% 2017 25 cez40 4 29 November 2015
pas_valide LFSR - Known plaintext 1% 701 25 Brissouille 2 28 November 2017
pas_valide RSA - Factorisation 2% 3609 25 HacKSpider 5 12 September 2010
pas_valide RSA - Decipher Oracle 1% 1378 25 Zweisamkeit 3 11 May 2017
pas_valide Service - Timing attack 1% 2253 25 g0uZ 4 28 October 2012
pas_valide Monoalphabetic substitution - Polybe 2% 2986 25 koma 6 6 December 2011
pas_valide Twisted secret 1% 284 25 NonStandardModel 1 14 August 2020
pas_valide Initialisation Vector 1% 1603 25 manticore 6 25 August 2015
pas_valide GEDEFU 1% 486 30 makhno 1 13 September 2016
pas_valide OTP - Implementation error 1% 225 30 Podalirius 2 22 March 2021
pas_valide RSA - Corrupted key 1 1% 321 30 blackndoor 2 28 November 2017
pas_valide RSA - Continued fractions 1% 1141 30 sambecks 1 8 September 2015
pas_valide RSA - Common modulus 1% 1382 30 franb 3 24 December 2016
pas_valide Service - Hash length extension attack 1% 845 30 koma 1 19 August 2015
pas_valide AES - 4 Rounds 1% 232 35 Cryptanalyse 0 5 September 2018
pas_valide ECDSA - Introduction 1% 218 35 Jrmbt 2 22 September 2019
pas_valide RSA - Padding 1% 221 35 Tosh 0 9 October 2016
pas_valide RSA - Signature 1% 120 35 sar 1 9 March 2020
pas_valide AES128 - CTR 1% 564 40 Tosh 2 28 August 2015
pas_valide PHP - mt_rand 1% 71 40 NonStandardModel 0 28 March 2022
pas_valide Discrete logarithm problem 1% 885 40 RFC4949 3 8 June 2014
pas_valide RSA - Corrupted key 2 1% 216 40 blackndoor 1 11 January 2018
pas_valide RSA - Corrupted key 3 1% 114 40 blackndoor 0 5 September 2019
pas_valide RSA - Multiple recipients 1% 1123 40 franb 3 29 November 2015
pas_valide AES - Fault attack #1 1% 126 50 Cryptanalyse 1 20 September 2018
pas_valide FEAL - Differential Cryptanalysis 1% 12 50 Tosh 0 28 March 2022
pas_valide Enigma Machine 1% 207 50 peyman 2 12 October 2016
pas_valide Side Channel - AES : CPA 1% 18 50 cb34 0 28 March 2022
pas_valide ECDHE 1% 191 60 Tosh 2 20 November 2016
pas_valide RSA - Lee cooper 1% 103 60 blackndoor 1 7 November 2019
pas_valide Service - CBC Padding 1% 1011 60 koma 1 4 October 2012
pas_valide Side Channel - AES : first round 1% 16 60 walafc0 0 28 March 2022
pas_valide Polyalphabetic substitution - One Time Pad 1% 343 60 Thanat0s 0 2 June 2013
pas_valide White-Box Cryptography 1% 170 60 Cryptanalyse 3 21 October 2018
pas_valide AES - Weaker variant 1% 104 70 Cryptanalyse 1 29 August 2018
pas_valide Hash - SHA-3 1% 124 75 Revenger 1 10 December 2016
pas_valide AES - Fault attack #2 1% 91 80 Cryptanalyse 1 20 September 2018
pas_valide AES-PMAC 1% 22 100 Cryptanalyse 0 26 May 2019
pas_valide ECDSA - Implementation error 1% 43 100 Tosh 0 29 September 2019