Service - Timing attack

25 Points  0x0

Be patient.

Author

g0uZ, koma,  

Level  Difficulty

Validations

1807 Challengers 1%

Note  Notation

1
2
3
4
5
120 Votes

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 4 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
Le Voyageur Temporel   Service - Timing attack 29 November 2020 at 23:56
AfricanGhost   Service - Timing attack 28 November 2020 at 22:35
beurnaard   Service - Timing attack 26 November 2020 at 20:06
PewPewHero   Service - Timing attack 23 November 2020 at 22:36
Natsumura   Service - Timing attack 20 November 2020 at 16:38
WillBoka   Service - Timing attack 19 November 2020 at 22:26
ngoctin   Service - Timing attack 19 November 2020 at 17:34
Snarfilol   Service - Timing attack 18 November 2020 at 16:44
Kokoro   Service - Timing attack 15 November 2020 at 21:59
BlackTia   Service - Timing attack 15 November 2020 at 21:58

 50 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 26% 51762 5 Xartrick 10
pas_valide Encoding - UU 21% 40651 5 g0uZ 10
pas_valide Hash - Message Digest 5 21% 41009 5 g0uZ 6
pas_valide Hash - SHA-2 11% 21057 5 koma 4
pas_valide Shift cipher 7% 12862 10 m31z0nyx 8
pas_valide Pixel Madness 6% 10101 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 5441 15 Lu33Y 10
pas_valide File - PKZIP 4% 7570 15 g0uZ 6
pas_valide Monoalphabetic substitution - Caesar 5% 9636 15 Arod 4
pas_valide Known plaintext - XOR 3% 5781 20 Ryscrow 5
pas_valide Code - Pseudo Random Number Generator 2% 2221 20 Tosh 5
pas_valide File - Insecure storage 1 4% 6024 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 6407 20 Arod 3
pas_valide System - Android lock pattern 3% 4184 20 Silentd 4
pas_valide Transposition - Rail Fence 2% 3865 20 YellowS4 3
pas_valide AES - CBC - Bit-Flipping Attack 1% 690 25 Tie21 2
pas_valide AES - ECB 1% 1621 25 cez40 4
pas_valide LFSR - Known plaintext 1% 474 25 Brissouille 1
pas_valide RSA - Factorisation 2% 2718 25 HacKSpider 5
pas_valide RSA - Decipher Oracle 1% 906 25 Zweisamkeit 3
pas_valide Service - Timing attack 1% 1807 25 g0uZ, koma 4
pas_valide Monoalphabetic substitution - Polybe 2% 2269 25 koma 6
pas_valide Twisted secret 1% 102 25 NonStandardModel 1
pas_valide Initialisation Vector 1% 1232 25 manticore, notfound404 5
pas_valide GEDEFU 1% 404 30 makhno 1
pas_valide RSA - Corrupted key 1 1% 223 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 921 30 sambecks 1
pas_valide RSA - Common modulus 1% 974 30 franb 2
pas_valide Service - Hash length extension attack 1% 608 30 koma 1
pas_valide AES - 4 Rounds 1% 161 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 133 35 Jrmbt 2
pas_valide RSA - Padding 1% 177 35 Tosh 0
pas_valide RSA - Signature 1% 67 35 s4r 1
pas_valide AES128 - CTR 1% 466 40 Tosh 1
pas_valide Discrete logarithm problem 1% 667 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key 2 1% 147 40 blackndoor 0
pas_valide RSA - Corrupted key 3 1% 75 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 825 40 franb 3
pas_valide AES - Fault attack #1 1% 86 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 149 50 peyman 2
pas_valide ECDHE 1% 147 60 Tosh 2
pas_valide RSA - Lee cooper 1% 66 60 blackndoor, Synacktiv 0
pas_valide Service - CBC Padding 1% 808 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 295 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 112 60 Cryptanalyse 3
pas_valide AES - Weaker variant 1% 57 70 Cryptanalyse 1
pas_valide Hash - SHA-3 1% 81 75 Revenger 1
pas_valide AES - Fault attack #2 1% 64 80 Cryptanalyse 1
pas_valide AES-PMAC 1% 11 100 Cryptanalyse 0
pas_valide ECDSA - Implementation error 1% 20 100 Tosh 0