File - PKZIP

15 Points  0x0

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

Author

g0uZ,  

Level  Difficulty

Validations

6127 Challengers 4%

Note  Notation

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215 Votes

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 6 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
ILLA Abdallahi   Fichier - PKZIP 21 January 2020 at 14:44
HardSpirit   Fichier - PKZIP 21 January 2020 at 12:05
Nino   Fichier - PKZIP 21 January 2020 at 11:52
VICY   Fichier - PKZIP 21 January 2020 at 11:05
boite2chocolat   Fichier - PKZIP 21 January 2020 at 11:03
Alextx_   File - PKZIP 20 January 2020 at 16:30
Delville   Fichier - PKZIP 20 January 2020 at 16:16
andryastor   Fichier - PKZIP 19 January 2020 at 19:48
pasdoue   Fichier - PKZIP 19 January 2020 at 11:20
Spectrale   Fichier - PKZIP 19 January 2020 at 01:38

 48 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 26% 42296 5 Xartrick 10
pas_valide Encoding - UU 21% 33422 5 g0uZ 10
pas_valide Hash - Message Digest 5 21% 34092 5 g0uZ 6
pas_valide Hash - SHA-2 11% 17169 5 koma 4
pas_valide Shift cipher 7% 10287 10 m31z0nyx 6
pas_valide Pixel Madness 5% 8232 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 4637 15 Lu33Y 10
pas_valide File - PKZIP 4% 6127 15 g0uZ 6
pas_valide Monoalphabetic substitution - Caesar 5% 7824 15 Arod 4
pas_valide Known plaintext - XOR 3% 4858 20 Ryscrow 5
pas_valide Code - Pseudo Random Number Generator 2% 1826 20 Tosh 5
pas_valide File - Insecure storage 1 4% 5237 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 5305 20 Arod 3
pas_valide System - Android lock pattern 3% 3417 20 Silentd 4
pas_valide Transposition - Rail Fence 2% 3241 20 YellowS4 3
pas_valide AES - CBC - Bit-Flipping Attack 1% 410 25 Tie21 1
pas_valide AES - ECB 1% 1362 25 cez40 4
pas_valide LFSR - Known plaintext 1% 312 25 Brissouille 1
pas_valide RSA - Factorisation 2% 2232 25 HacKSpider 4
pas_valide RSA - Decipher Oracle 1% 638 25 Zweisamkeit 3
pas_valide Service - Timing attack 1% 1548 25 g0uZ, koma 3
pas_valide Monoalphabetic substitution - Polybe 2% 1839 25 koma 6
pas_valide Initialisation Vector 1% 1005 25 manticore, notfound404 5
pas_valide GEDEFU 1% 321 30 makhno 1
pas_valide RSA - Corrupted key 1 1% 153 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 759 30 sambecks 1
pas_valide RSA - Common modulus 1% 746 30 franb 2
pas_valide Service - Hash length extension attack 1% 467 30 koma 1
pas_valide AES - 4 Rounds 1% 117 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 78 35 Jrmbt 0
pas_valide RSA - Padding 1% 141 35 Tosh 0
pas_valide AES128 - CTR 1% 406 40 Tosh 1
pas_valide Discrete logarithm problem 1% 557 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key 2 1% 108 40 blackndoor 0
pas_valide RSA - Corrupted key 3 1% 50 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 661 40 franb 3
pas_valide AES - Fault attack #1 1% 61 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 112 50 peyman 1
pas_valide ECDHE 1% 123 60 Tosh 2
pas_valide RSA - Lee cooper 1% 34 60 blackndoor, Synacktiv 0
pas_valide Service - CBC Padding 1% 685 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 267 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 90 60 Cryptanalyse 3
pas_valide AES - Weaker variant 1% 37 70 Cryptanalyse 0
pas_valide Hash - SHA-3 1% 61 75 Revenger 1
pas_valide AES - Fault attack #2 1% 42 80 Cryptanalyse 0
pas_valide AES-PMAC 1% 9 100 Cryptanalyse 0
pas_valide ECDSA - Implementation error 1% 14 100 Tosh 0