AES - 4 Rounds

35 Points  

Classical attack on AES-128 reduced to 4 rounds

Author

Cryptanalyse,  

Level  Difficulty

Validations

80 Challengers 1%

Note  Notation

1
2
3
4
5
16 Votes
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Solution  Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang date
pouf   AES - 4 tours fr 19 July 2019 at 18:28
Sacriyana   AES - 4 tours fr 19 July 2019 at 16:42
hexabeast   AES - 4 Rounds en 15 July 2019 at 21:25
Nyarlatothep   AES - 4 Rounds en 11 July 2019 at 15:31
apges01   AES - 4 tours fr 26 June 2019 at 10:25
Black0ut   AES - 4 tours fr 7 June 2019 at 09:21
Yumemi   AES - 4 tours fr 5 June 2019 at 19:26
midoo   AES - 4 tours fr 24 May 2019 at 15:27
Locesi   AES - 4 tours fr 4 May 2019 at 16:57
_ACKNAK_   AES - 4 tours fr 16 April 2019 at 19:14

Challenges associated with this section 44 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 26% 36006 5 Xartrick 10
pas_valide Encoding - UU 21% 28607 5 g0uZ 10
pas_valide Hash - Message Digest 5 21% 29304 5 g0uZ 6
pas_valide Hash - SHA-2 11% 14618 5 koma 4
pas_valide Shift cipher 7% 8655 10 m31z0nyx 5
pas_valide Pixel Madness 5% 6982 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 4044 15 Lu33Y 10
pas_valide File - PKZIP 4% 5162 15 g0uZ 5
pas_valide Monoalphabetic substitution - Caesar 5% 6761 15 Arod 4
pas_valide Known plaintext - XOR 4% 4248 20 Ryscrow 4
pas_valide Code - Pseudo Random Number Generator 2% 1601 20 Tosh 5
pas_valide File - Insecure storage 1 4% 4753 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 4582 20 Arod 3
pas_valide System - Android lock pattern 3% 2938 20 Silentd 3
pas_valide Transposition - Rail Fence 2% 2772 20 YellowS4 2
pas_valide AES - CBC - Bit-Flipping Attack 1% 266 25 Tie21 1
pas_valide AES - ECB 1% 1162 25 cez40 4
pas_valide LFSR - Known plaintext 1% 215 25 Brissouille 1
pas_valide RSA - Factorisation 2% 1936 25 HacKSpider 4
pas_valide RSA - Decipher Oracle 1% 515 25 Zweisamkeit 3
pas_valide Service - Timing attack 2% 1416 25 g0uZ, koma 3
pas_valide Monoalphabetic substitution - Polybe 2% 1590 25 koma 6
pas_valide Initialisation Vector 1% 856 25 manticore, notfound 3
pas_valide GEDEFU 1% 272 30 makhno 1
pas_valide RSA - Corrupted key V1 1% 112 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 662 30 sambecks 1
pas_valide RSA - Common modulus 1% 601 30 franb 2
pas_valide Service - Hash length extension attack 1% 396 30 koma 1
pas_valide AES - 4 Rounds 1% 80 35 Cryptanalyse 0
pas_valide RSA - Padding 1% 119 35 Tosh 0
pas_valide AES128 - CTR 1% 366 40 Tosh 1
pas_valide Discrete logarithm problem 1% 491 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key V2 1% 88 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 560 40 franb 3
pas_valide AES - Fault attack #1 1% 41 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 98 50 peyman 1
pas_valide ECDHE 1% 106 60 Tosh 2
pas_valide Service - CBC Padding 1% 601 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 250 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 66 60 Cryptanalyse 2
pas_valide AES - Weaker variant 1% 28 70 Cryptanalyse 0
pas_valide Hash - SHA-3 1% 56 75 Revenger 1
pas_valide AES - Fault attack #2 1% 28 80 Cryptanalyse 0
pas_valide AES-PMAC 1% 4 100 Cryptanalyse 0