ECDSA - Implementation error

100 Points  0x0

It’s random...

Author

Tosh,  

Level  Difficulty

Validations

42 Challengers 1%

Note  Notation

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Bdenneu Cryptanalyse  ECDSA - Erreur d’implémentation fr 18 July 2022 at 19:52
Kkameleon Cryptanalyse  ECDSA - Erreur d’implémentation fr 14 June 2022 at 18:27
Mister7F Cryptanalyse  ECDSA - Erreur d’implémentation fr 31 May 2022 at 17:17
NiakTheWizard Cryptanalyse  ECDSA - Erreur d’implémentation fr 8 May 2022 at 19:44
Iroh Cryptanalyse  ECDSA - Erreur d’implémentation fr 23 April 2022 at 11:49
cb34 Cryptanalyse  ECDSA - Erreur d’implémentation fr 15 April 2022 at 22:28
Y0mmm Cryptanalyse  ECDSA - Erreur d’implémentation fr 17 February 2022 at 11:39
Kasen Cryptanalyse  ECDSA - Erreur d’implémentation fr 27 January 2022 at 11:30
V5november Cryptanalysis  ECDSA - Implementation error en 21 November 2021 at 20:03
Bob Cryptanalysis  ECDSA - Implementation error en 9 November 2021 at 14:41

challenges 60 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Encoding - ASCII 26% 68544 5 Xartrick 10 4 December 2012
pas_valide Encoding - UU 21% 53019 5 g0uZ 10 7 October 2006
pas_valide Hash - DCC 1% 2493 5 Podalirius 1 13 July 2021
pas_valide Hash - DCC2 1% 2444 5 Podalirius 1 13 July 2021
pas_valide Hash - LM 2% 2908 5 Podalirius 1 13 July 2021
pas_valide Hash - Message Digest 5 19% 50170 5 g0uZ 7 31 January 2010
pas_valide Hash - NT 1% 2004 5 Podalirius 1 13 July 2021
pas_valide Hash - SHA-2 10% 25834 5 koma 4 3 June 2012
pas_valide Shift cipher 7% 16040 10 m31z0nyx 10 16 February 2011
pas_valide CISCO - Salted Password 1% 1859 10 Tidusrose 3 13 July 2021
pas_valide Pixel Madness 5% 12639 15 Ryscrow 10 3 February 2011
pas_valide ELF64 - PID encryption 3% 6371 15 Lu33Y 10 8 February 2012
pas_valide File - PKZIP 4% 9671 15 g0uZ 6 30 August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 12363 15 Arod 5 22 October 2011
pas_valide Known plaintext - XOR 3% 7080 20 Ryscrow 5 3 February 2011
pas_valide Code - Pseudo Random Number Generator 2% 2764 20 Tosh 6 19 December 2012
pas_valide File - Insecure storage 1 3% 7339 20 g0uZ 7 6 February 2012
pas_valide Polyalphabetic substitution - Vigenère 4% 8102 20 Arod 3 26 October 2011
pas_valide System - Android lock pattern 3% 5357 20 Silentd 5 23 December 2012
pas_valide Transposition - Rail Fence 2% 5005 20 YellowS4 4 6 April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 1080 25 Tie21 4 17 June 2018
pas_valide AES - ECB 1% 1979 25 cez40 4 29 November 2015
pas_valide LFSR - Known plaintext 1% 686 25 Brissouille 2 28 November 2017
pas_valide RSA - Factorisation 2% 3558 25 HacKSpider 5 12 September 2010
pas_valide RSA - Decipher Oracle 1% 1339 25 Zweisamkeit 3 11 May 2017
pas_valide Service - Timing attack 1% 2218 25 g0uZ 4 28 October 2012
pas_valide Monoalphabetic substitution - Polybe 2% 2940 25 koma 6 6 December 2011
pas_valide Twisted secret 1% 275 25 NonStandardModel 1 14 August 2020
pas_valide Initialisation Vector 1% 1574 25 manticore 6 25 August 2015
pas_valide GEDEFU 1% 482 30 makhno 1 13 September 2016
pas_valide OTP - Implementation error 1% 211 30 Podalirius 2 22 March 2021
pas_valide RSA - Corrupted key 1 1% 315 30 blackndoor 2 28 November 2017
pas_valide RSA - Continued fractions 1% 1120 30 sambecks 1 8 September 2015
pas_valide RSA - Common modulus 1% 1347 30 franb 3 24 December 2016
pas_valide Service - Hash length extension attack 1% 825 30 koma 1 19 August 2015
pas_valide AES - 4 Rounds 1% 226 35 Cryptanalyse 0 5 September 2018
pas_valide ECDSA - Introduction 1% 213 35 Jrmbt 2 22 September 2019
pas_valide RSA - Padding 1% 217 35 Tosh 0 9 October 2016
pas_valide RSA - Signature 1% 115 35 sar 1 9 March 2020
pas_valide AES128 - CTR 1% 559 40 Tosh 2 28 August 2015
pas_valide PHP - mt_rand 1% 63 40 NonStandardModel 0 28 March 2022
pas_valide Discrete logarithm problem 1% 867 40 RFC4949 3 8 June 2014
pas_valide RSA - Corrupted key 2 1% 210 40 blackndoor 1 11 January 2018
pas_valide RSA - Corrupted key 3 1% 108 40 blackndoor 0 5 September 2019
pas_valide RSA - Multiple recipients 1% 1092 40 franb 3 29 November 2015
pas_valide AES - Fault attack #1 1% 124 50 Cryptanalyse 1 20 September 2018
pas_valide FEAL - Differential Cryptanalysis 1% 10 50 Tosh 0 28 March 2022
pas_valide Enigma Machine 1% 206 50 peyman 2 12 October 2016
pas_valide Side Channel - AES : CPA 1% 15 50 cb34 0 28 March 2022
pas_valide ECDHE 1% 189 60 Tosh 2 20 November 2016
pas_valide RSA - Lee cooper 1% 100 60 blackndoor 1 7 November 2019
pas_valide Service - CBC Padding 1% 993 60 koma 1 4 October 2012
pas_valide Side Channel - AES : first round 1% 14 60 walafc0 0 28 March 2022
pas_valide Polyalphabetic substitution - One Time Pad 1% 343 60 Thanat0s 0 2 June 2013
pas_valide White-Box Cryptography 1% 169 60 Cryptanalyse 3 21 October 2018
pas_valide AES - Weaker variant 1% 103 70 Cryptanalyse 1 29 August 2018
pas_valide Hash - SHA-3 1% 124 75 Revenger 1 10 December 2016
pas_valide AES - Fault attack #2 1% 89 80 Cryptanalyse 1 20 September 2018
pas_valide AES-PMAC 1% 22 100 Cryptanalyse 0 26 May 2019
pas_valide ECDSA - Implementation error 1% 42 100 Tosh 0 29 September 2019