Discrete logarithm problem

40 Points  

What a pretty equation

Author

Thanat0sRFC4949,  

Level  Difficulty

Validations

465 Challengers 1%

Note  Notation

52 Votes
To reach this part of the site please login

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 26% 33522 5 Xartrick 10
pas_valide Encoding - UU 21% 26667 5 g0uZ 10
pas_valide Hash - Message Digest 5 22% 27356 5 g0uZ 6
pas_valide Hash - SHA-2 11% 13651 5 koma 3
pas_valide Shift cipher 7% 8106 10 m31z0nyx 5
pas_valide Pixel Madness 6% 6535 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 3816 15 Lu33Y 10
pas_valide File - PKZIP 4% 4832 15 g0uZ 5
pas_valide Monoalphabetic substitution - Caesar 5% 6361 15 Arod 4
pas_valide Known plaintext - XOR 4% 3985 20 Ryscrow 4
pas_valide Code - Pseudo Random Number Generator 2% 1497 20 Tosh 5
pas_valide File - Insecure storage 1 4% 4573 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 4317 20 Arod 3
pas_valide System - Android lock pattern 3% 2747 20 Silentd 3
pas_valide Transposition - Rail Fence 2% 2586 20 YellowS4 2
pas_valide AES - CBC - Bit-Flipping Attack 1% 190 25 Tie21 1
pas_valide AES - ECB 1% 1090 25 cez40 4
pas_valide LFSR - Known plaintext 1% 168 25 Brissouille 1
pas_valide RSA - Factorisation 2% 1801 25 HacKSpider 4
pas_valide RSA - Decipher Oracle 1% 456 25 Zweisamkeit 3
pas_valide Service - Timing attack 2% 1346 25 g0uZ, koma 3
pas_valide Monoalphabetic substitution - Polybe 2% 1505 25 koma 6
pas_valide Initialisation Vector 1% 792 25 manticore, notfound 3
pas_valide GEDEFU 1% 249 30 makhno 1
pas_valide RSA - Corrupted key V1 1% 101 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 623 30 sambecks 1
pas_valide RSA - Common modulus 1% 554 30 franb 2
pas_valide Service - Hash length extension attack 1% 360 30 koma 1
pas_valide AES - 4 Rounds 1% 71 35 Cryptanalyse 0
pas_valide RSA - Padding 1% 113 35 Tosh 0
pas_valide AES128 - CTR 1% 356 40 Tosh 1
pas_valide Discrete logarithm problem 1% 465 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key V2 1% 80 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 528 40 franb 3
pas_valide AES - Fault attack #1 1% 34 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 95 50 peyman 1
pas_valide ECDHE 1% 98 60 Tosh 2
pas_valide Service - CBC Padding 1% 562 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 245 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 60 60 Cryptanalyse 2
pas_valide AES - Weaker variant 1% 26 70 Cryptanalyse 0
pas_valide Hash - SHA-3 1% 54 75 Revenger 1
pas_valide AES - Fault attack #2 1% 24 80 Cryptanalyse 0