Code - Pseudo Random Number Generator

20 Points  0x0

Strange encryption.

Author

Tosh,  

Level  Difficulty

Validations

1763 Challengers 2%

Note  Notation

165 Votes

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 48 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 26% 40947 5 Xartrick 10
pas_valide Encoding - UU 21% 32405 5 g0uZ 10
pas_valide Hash - Message Digest 5 21% 33156 5 g0uZ 6
pas_valide Hash - SHA-2 11% 16630 5 koma 4
pas_valide Shift cipher 7% 9981 10 m31z0nyx 6
pas_valide Pixel Madness 5% 7969 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 4500 15 Lu33Y 10
pas_valide File - PKZIP 4% 5896 15 g0uZ 5
pas_valide Monoalphabetic substitution - Caesar 5% 7576 15 Arod 4
pas_valide Known plaintext - XOR 3% 4692 20 Ryscrow 4
pas_valide Code - Pseudo Random Number Generator 2% 1763 20 Tosh 5
pas_valide File - Insecure storage 1 4% 5103 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 5116 20 Arod 3
pas_valide System - Android lock pattern 3% 3286 20 Silentd 3
pas_valide Transposition - Rail Fence 2% 3103 20 YellowS4 3
pas_valide AES - CBC - Bit-Flipping Attack 1% 372 25 Tie21 1
pas_valide AES - ECB 1% 1302 25 cez40 4
pas_valide LFSR - Known plaintext 1% 278 25 Brissouille 1
pas_valide RSA - Factorisation 2% 2145 25 HacKSpider 4
pas_valide RSA - Decipher Oracle 1% 605 25 Zweisamkeit 3
pas_valide Service - Timing attack 1% 1513 25 g0uZ, koma 3
pas_valide Monoalphabetic substitution - Polybe 2% 1758 25 koma 6
pas_valide Initialisation Vector 1% 961 25 manticore, notfound404 4
pas_valide GEDEFU 1% 309 30 makhno 1
pas_valide RSA - Corrupted key 1 1% 145 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 731 30 sambecks 1
pas_valide RSA - Common modulus 1% 695 30 franb 2
pas_valide Service - Hash length extension attack 1% 450 30 koma 1
pas_valide AES - 4 Rounds 1% 110 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 68 35 Jrmbt 0
pas_valide RSA - Padding 1% 137 35 Tosh 0
pas_valide AES128 - CTR 1% 400 40 Tosh 1
pas_valide Discrete logarithm problem 1% 535 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key 2 1% 101 40 blackndoor 0
pas_valide RSA - Corrupted key 3 1% 42 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 622 40 franb 3
pas_valide AES - Fault attack #1 1% 54 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 110 50 peyman 1
pas_valide ECDHE 1% 121 60 Tosh 2
pas_valide RSA - Lee cooper 1% 26 60 blackndoor, Synacktiv 0
pas_valide Service - CBC Padding 1% 654 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 265 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% 38 80 Cryptanalyse 0
pas_valide AES-PMAC 1% 9 100 Cryptanalyse 0
pas_valide ECDSA - Implementation error 1% 13 100 Tosh 0