Hash - SHA-2

5 Points  

Author

koma,  

Level  Difficulty

Validations

8242 Challengers 12%

Note  Notation

384 Votes
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Challenge Results Challenge Results

Pseudo Challenge Lang date
Ayed   Hash - SHA-2 en 16 January 2018 at 08:32
Tilki   Hash - SHA-2 fr 16 January 2018 at 02:02
Eliot   Hash - SHA-2 fr 16 January 2018 at 00:10
kbr00   Hash - SHA-2 en 15 January 2018 at 21:13
cecilia   Hash - SHA-2 en 15 January 2018 at 14:40
patath0r   Hash - SHA-2 en 15 January 2018 at 13:22
djibr   Hash - SHA-2 en 15 January 2018 at 13:14
bi0t0x   Hash - SHA-2 fr 15 January 2018 at 12:21
Slot   Hash - SHA-2 en 15 January 2018 at 11:01
Yukiro   Hash - SHA-2 fr 15 January 2018 at 10:58

Challenges associated with this section 37 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 28% 20275 5 Xartrick 10
pas_valide Encoding - UU 23% 16251 5 g0uZ 6
pas_valide Hash - Message Digest 5 23% 16909 5 g0uZ 3
pas_valide Hash - SHA-2 12% 8231 5 koma 2
pas_valide Shift cipher 7% 4818 10 m31z0nyx 5
pas_valide Pixel Madness 6% 3742 15 Ryscrow 8
pas_valide ELF32 - PID encryption 4% 2922 15 Lu33Y 9
pas_valide File - PKZIP 4% 2941 15 g0uZ 5
pas_valide Monoalphabetic substitution - Caesar 6% 4262 15 Arod 4
pas_valide Known plaintext - XOR 4% 2607 20 Ryscrow 3
pas_valide Code - Pseudo Random Number Generator 2% 1024 20 Tosh 3
pas_valide File - Insecure storage 1 5% 3401 20 g0uZ 4
pas_valide Polyalphabetic substitution - Vigenère 5% 2958 20 Arod 3
pas_valide System - Android lock pattern 3% 1798 20 Silentd 2
pas_valide Transposition - Rail Fence 3% 1713 20 YellowS4 2
pas_valide AES - ECB 2% 750 25 cez40 2
pas_valide LFSR - Known plaintext 1% 43 25 Brissouille 0
pas_valide RSA - Factorisation 2% 1189 25 HacKSpider 2
pas_valide RSA - Decipher Oracle 1% 203 25 Zweisamkeit 2
pas_valide Service - Timing attack 2% 987 25 g0uZ, koma 3
pas_valide Monoalphabetic substitution - Polybe 2% 1103 25 Armel, koma 5
pas_valide Initialisation Vector 1% 552 25 notfound, manticore 3
pas_valide GEDEFU 1% 170 30 makhno 1
pas_valide RSA - Corrupted key V1 1% 19 30 blackndoor 0
pas_valide RSA - Continued fractions 1% 436 30 sambecks 1
pas_valide RSA - Common modulus 1% 285 30 franb 2
pas_valide Service - Hash length extension attack 1% 255 30 koma 1
pas_valide RSA - Padding 1% 73 35 Tosh 0
pas_valide AES128 - CTR 1% 251 40 Tosh 1
pas_valide Discrete logarithm problem 1% 346 40 Thanat0s, RFC4949 2
pas_valide RSA - Corrupted key V2 1% 10 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 343 40 franb 1
pas_valide Enigma Machine 1% 55 50 peyman 0
pas_valide ECDHE 1% 54 60 Tosh 1
pas_valide Service - CBC Padding 1% 442 60 koma 0
pas_valide Polyalphabetic substitution - One Time Pad 1% 192 60 Thanat0s 0
pas_valide Hash - SHA-3 1% 23 75 Revenger 1