Polyalphabetic substitution - Vigenère

20 Points  0x0

Basics

Author

Arod,  

Level  Difficulty

Validations

5443 Challengers 4%

Note  Notation

230 Votes

To reach this part of the site please login

 48 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide ECDSA - Implementation error 1% 16 100 Tosh 0
pas_valide RSA - Corrupted key 2 1% 113 40 blackndoor 0
pas_valide AES-PMAC 1% 9 100 Cryptanalyse 0
pas_valide AES - 4 Rounds 1% 121 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 84 35 Jrmbt 0
pas_valide Polyalphabetic substitution - One Time Pad 1% 271 60 Thanat0s 0
pas_valide RSA - Lee cooper 1% 39 60 blackndoor, Synacktiv 0
pas_valide RSA - Padding 1% 146 35 Tosh 0
pas_valide RSA - Corrupted key 3 1% 55 40 blackndoor 0
pas_valide Service - Hash length extension attack 1% 484 30 koma 1
pas_valide LFSR - Known plaintext 1% 344 25 Brissouille 1
pas_valide AES - CBC - Bit-Flipping Attack 1% 441 25 Tie21 1
pas_valide AES128 - CTR 1% 420 40 Tosh 1
pas_valide AES - Fault attack #1 1% 67 50 Cryptanalyse 1
pas_valide GEDEFU 1% 327 30 makhno 1
pas_valide Enigma Machine 1% 118 50 peyman 1
pas_valide Service - CBC Padding 1% 704 60 koma 1
pas_valide AES - Weaker variant 1% 42 70 Cryptanalyse 1
pas_valide Hash - SHA-3 1% 62 75 Revenger 1
pas_valide AES - Fault attack #2 1% 48 80 Cryptanalyse 1
pas_valide RSA - Continued fractions 1% 780 30 sambecks 1
pas_valide ECDHE 1% 126 60 Tosh 2
pas_valide RSA - Common modulus 1% 779 30 franb 2
pas_valide RSA - Corrupted key 1 1% 162 30 blackndoor 2
pas_valide Polyalphabetic substitution - Vigenère 4% 5443 20 Arod 3
pas_valide Discrete logarithm problem 1% 566 40 Thanat0s, RFC4949 3
pas_valide White-Box Cryptography 1% 91 60 Cryptanalyse 3
pas_valide Service - Timing attack 1% 1572 25 g0uZ, koma 3
pas_valide RSA - Decipher Oracle 1% 676 25 Zweisamkeit 3
pas_valide RSA - Multiple recipients 1% 686 40 franb 3
pas_valide Transposition - Rail Fence 2% 3328 20 YellowS4 3
pas_valide Monoalphabetic substitution - Caesar 5% 8050 15 Arod 4
pas_valide Hash - SHA-2 11% 17641 5 koma 4
pas_valide System - Android lock pattern 3% 3501 20 Silentd 4
pas_valide AES - ECB 1% 1397 25 cez40 4
pas_valide Initialisation Vector 1% 1028 25 manticore, notfound404 5
pas_valide Code - Pseudo Random Number Generator 2% 1868 20 Tosh 5
pas_valide Known plaintext - XOR 3% 4982 20 Ryscrow 5
pas_valide RSA - Factorisation 2% 2302 25 HacKSpider 5
pas_valide File - Insecure storage 1 4% 5326 20 g0uZ 5
pas_valide Shift cipher 7% 10607 10 m31z0nyx 6
pas_valide File - PKZIP 4% 6301 15 g0uZ 6
pas_valide Hash - Message Digest 5 21% 34930 5 g0uZ 6
pas_valide Monoalphabetic substitution - Polybe 2% 1878 25 koma 6
pas_valide Encoding - UU 21% 34312 5 g0uZ 10
pas_valide Pixel Madness 5% 8464 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 4742 15 Lu33Y 10
pas_valide Encoding - ASCII 26% 43477 5 Xartrick 10