ECDHE

60 Points  0x0

Diffie-Hellman key exchange on elliptic curves

Author

Tosh,  

Level  Difficulty

Validations

126 Challengers 1%

Note  Notation

29 Votes

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Challenge Results Challenge Results

Pseudo Challenge Lang date
0x78585f4434724b5f433470556368306e5f5878   ECDHE 17 February 2020 at 20:04
MaxMaxRos   ECDHE 5 February 2020 at 11:45
so3   ECDHE 4 February 2020 at 20:23
pedroysb   ECDHE 3 January 2020 at 05:18
mjuuum   ECDHE 25 December 2019 at 19:02
Huuuuwiiiit   ECDHE 28 November 2019 at 19:20
AESon   ECDHE 16 November 2019 at 17:54
hexabeast   ECDHE 11 November 2019 at 15:33
madbat2   ECDHE 8 November 2019 at 11:49
Mounhy   ECDHE 6 November 2019 at 22:59

 48 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 26% 43501 5 Xartrick 10
pas_valide Encoding - UU 21% 34333 5 g0uZ 10
pas_valide Hash - Message Digest 5 21% 34952 5 g0uZ 6
pas_valide Hash - SHA-2 11% 17651 5 koma 4
pas_valide Shift cipher 7% 10613 10 m31z0nyx 6
pas_valide Pixel Madness 5% 8467 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 4745 15 Lu33Y 10
pas_valide File - PKZIP 4% 6304 15 g0uZ 6
pas_valide Monoalphabetic substitution - Caesar 5% 8054 15 Arod 4
pas_valide Known plaintext - XOR 3% 4985 20 Ryscrow 5
pas_valide Code - Pseudo Random Number Generator 2% 1871 20 Tosh 5
pas_valide File - Insecure storage 1 4% 5328 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 5444 20 Arod 3
pas_valide System - Android lock pattern 3% 3503 20 Silentd 4
pas_valide Transposition - Rail Fence 2% 3331 20 YellowS4 3
pas_valide AES - CBC - Bit-Flipping Attack 1% 441 25 Tie21 1
pas_valide AES - ECB 1% 1397 25 cez40 4
pas_valide LFSR - Known plaintext 1% 344 25 Brissouille 1
pas_valide RSA - Factorisation 2% 2303 25 HacKSpider 5
pas_valide RSA - Decipher Oracle 1% 677 25 Zweisamkeit 3
pas_valide Service - Timing attack 1% 1573 25 g0uZ, koma 3
pas_valide Monoalphabetic substitution - Polybe 2% 1879 25 koma 6
pas_valide Initialisation Vector 1% 1030 25 manticore, notfound404 5
pas_valide GEDEFU 1% 327 30 makhno 1
pas_valide RSA - Corrupted key 1 1% 162 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 780 30 sambecks 1
pas_valide RSA - Common modulus 1% 779 30 franb 2
pas_valide Service - Hash length extension attack 1% 484 30 koma 1
pas_valide AES - 4 Rounds 1% 121 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 84 35 Jrmbt 0
pas_valide RSA - Padding 1% 146 35 Tosh 0
pas_valide AES128 - CTR 1% 420 40 Tosh 1
pas_valide Discrete logarithm problem 1% 566 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key 2 1% 113 40 blackndoor 0
pas_valide RSA - Corrupted key 3 1% 55 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 686 40 franb 3
pas_valide AES - Fault attack #1 1% 67 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 118 50 peyman 1
pas_valide ECDHE 1% 126 60 Tosh 2
pas_valide RSA - Lee cooper 1% 39 60 blackndoor, Synacktiv 0
pas_valide Service - CBC Padding 1% 704 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 271 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 91 60 Cryptanalyse 3
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 AES-PMAC 1% 9 100 Cryptanalyse 0
pas_valide ECDSA - Implementation error 1% 16 100 Tosh 0