ECDSA - Implementation error

100 Points  0x0

It’s random...

Author

Tosh,  

Level  Difficulty

Validations

13 Challengers 1%

Note  Notation

12 Votes

To reach this part of the site please login

  Solution

Challenge Results Challenge Results


 48 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 26% 41208 5 Xartrick 10
pas_valide Encoding - UU 21% 32590 5 g0uZ 10
pas_valide Hash - Message Digest 5 21% 33326 5 g0uZ 6
pas_valide Hash - SHA-2 11% 16743 5 koma 4
pas_valide Shift cipher 7% 10045 10 m31z0nyx 6
pas_valide Pixel Madness 5% 8027 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 4523 15 Lu33Y 10
pas_valide File - PKZIP 4% 5938 15 g0uZ 6
pas_valide Monoalphabetic substitution - Caesar 5% 7626 15 Arod 4
pas_valide Known plaintext - XOR 3% 4719 20 Ryscrow 4
pas_valide Code - Pseudo Random Number Generator 2% 1776 20 Tosh 5
pas_valide File - Insecure storage 1 4% 5128 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 5147 20 Arod 3
pas_valide System - Android lock pattern 3% 3309 20 Silentd 4
pas_valide Transposition - Rail Fence 2% 3129 20 YellowS4 3
pas_valide AES - CBC - Bit-Flipping Attack 1% 374 25 Tie21 1
pas_valide AES - ECB 1% 1313 25 cez40 4
pas_valide LFSR - Known plaintext 1% 281 25 Brissouille 1
pas_valide RSA - Factorisation 2% 2167 25 HacKSpider 4
pas_valide RSA - Decipher Oracle 1% 610 25 Zweisamkeit 3
pas_valide Service - Timing attack 1% 1521 25 g0uZ, koma 3
pas_valide Monoalphabetic substitution - Polybe 2% 1766 25 koma 6
pas_valide Initialisation Vector 1% 973 25 manticore, notfound404 4
pas_valide GEDEFU 1% 310 30 makhno 1
pas_valide RSA - Corrupted key 1 1% 145 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 736 30 sambecks 1
pas_valide RSA - Common modulus 1% 702 30 franb 2
pas_valide Service - Hash length extension attack 1% 452 30 koma 1
pas_valide AES - 4 Rounds 1% 110 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 70 35 Jrmbt 0
pas_valide RSA - Padding 1% 138 35 Tosh 0
pas_valide AES128 - CTR 1% 400 40 Tosh 1
pas_valide Discrete logarithm problem 1% 540 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% 630 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% 660 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