Hash - SHA-2

5 Points  

Author

koma,  

Level  Difficulty

Validations

12139 Challengers 12%

Note  Notation

1
2
3
4
5
560 Votes
To reach this part of the site please login

Solution 3 Solutions

Display solutions Submit a solution

Challenge Results Challenge Results

Pseudo Challenge Lang date
Pyrotel   Hash - SHA-2 en 15 December 2018 at 02:34
BenMesut   Hash - SHA-2 fr 15 December 2018 at 02:31
TimeToLive   Hash - SHA-2 fr 14 December 2018 at 22:51
scylax57   Hash - SHA-2 fr 14 December 2018 at 21:31
darkkir   Hash - SHA-2 fr 14 December 2018 at 17:45
pepeargento   Hash - SHA-2 es 14 December 2018 at 13:59
Shako   Hash - SHA-2 fr 14 December 2018 at 11:24
Vicky   Hash - SHA-2 fr 14 December 2018 at 11:04
matthieu.sav   Hash - SHA-2 fr 14 December 2018 at 10:46
Zann   Hash - SHA-2 fr 13 December 2018 at 23:16

Challenges associated with this section 43 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 28% 28882 5 Xartrick 10
pas_valide Encoding - UU 22% 23194 5 g0uZ 10
pas_valide Hash - Message Digest 5 23% 23929 5 g0uZ 6
pas_valide Hash - SHA-2 12% 12136 5 koma 3
pas_valide Shift cipher 7% 7161 10 m31z0nyx 5
pas_valide Pixel Madness 6% 5834 15 Ryscrow 10
pas_valide ELF64 - PID encryption 4% 3533 15 Lu33Y 10
pas_valide File - PKZIP 5% 4307 15 g0uZ 5
pas_valide Monoalphabetic substitution - Caesar 6% 5706 15 Arod 4
pas_valide Known plaintext - XOR 4% 3598 20 Ryscrow 4
pas_valide Code - Pseudo Random Number Generator 2% 1348 20 Tosh 4
pas_valide File - Insecure storage 1 5% 4267 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 3906 20 Arod 3
pas_valide System - Android lock pattern 3% 2467 20 Silentd 3
pas_valide Transposition - Rail Fence 3% 2319 20 YellowS4 2
pas_valide AES - CBC - Bit-Flipping Attack 1% 125 25 Tie21 1
pas_valide AES - ECB 1% 996 25 cez40 4
pas_valide LFSR - Known plaintext 1% 138 25 Brissouille 1
pas_valide RSA - Factorisation 2% 1584 25 HacKSpider 4
pas_valide RSA - Decipher Oracle 1% 369 25 Zweisamkeit 3
pas_valide Service - Timing attack 2% 1238 25 g0uZ, koma 3
pas_valide Monoalphabetic substitution - Polybe 2% 1374 25 koma 6
pas_valide Initialisation Vector 1% 708 25 notfound, manticore 3
pas_valide GEDEFU 1% 222 30 makhno 1
pas_valide RSA - Corrupted key V1 1% 83 30 blackndoor 1
pas_valide RSA - Continued fractions 1% 560 30 sambecks 1
pas_valide RSA - Common modulus 1% 455 30 franb 2
pas_valide Service - Hash length extension attack 1% 335 30 koma 1
pas_valide AES - 4 Rounds 1% 45 35 Cryptanalyse 0
pas_valide RSA - Padding 1% 102 35 Tosh 0
pas_valide AES128 - CTR 1% 325 40 Tosh 1
pas_valide Discrete logarithm problem 1% 420 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key V2 1% 59 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 459 40 franb 3
pas_valide AES - Fault attack #1 1% 21 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 79 50 peyman 0
pas_valide ECDHE 1% 84 60 Tosh 2
pas_valide Service - CBC Padding 1% 520 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 228 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 41 60 Cryptanalyse 2
pas_valide AES - Weaker variant 1% 17 70 Cryptanalyse 0
pas_valide Hash - SHA-3 1% 45 75 Revenger 1
pas_valide AES - Fault attack #2 1% 16 80 Cryptanalyse 0