RSA - Lee cooper

60 Points  0x0

The shortest path

Author

blackndoor, Synacktiv,  

Level  Difficulty

Validations

195 Challengers 1%

Note  Notation

1
2
3
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5
49 Votes

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solutions 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Mirasio Cryptanalyse  RSA - Lee cooper fr 12 March 2026 at 02:22
osprey Cryptanalysis  RSA - Lee cooper en 10 March 2026 at 17:26
Neyzz Cryptanalyse  RSA - Lee cooper fr 2 March 2026 at 21:40
notouchpad Cryptanalysis  RSA - Lee cooper en 27 February 2026 at 17:34
RadekG Cryptanalyse  RSA - Lee cooper fr 25 February 2026 at 07:34
Ret2Skillz Cryptanalyse  RSA - Lee cooper fr 21 February 2026 at 12:35
spart Cryptanalyse  RSA - Lee cooper fr 21 February 2026 at 00:20
S0day_ Cryptanalyse  RSA - Lee cooper fr 19 February 2026 at 16:48
Histausse Cryptanalyse  RSA - Lee cooper fr 10 February 2026 at 22:52
o71 Cryptanalyse  RSA - Lee cooper fr 8 February 2026 at 22:40

challenges 75 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Encoding - ASCII 26% 97499 5 Xartrick 10 4 December 2012
pas_valide Encoding - UU 20% 74722 5 g0uZ 10 7 October 2006
pas_valide Hash - DCC 3% 10089 5 Podalirius 1 13 July 2021
pas_valide Hash - DCC2 3% 9196 5 Podalirius 1 13 July 2021
pas_valide Hash - LM 3% 9646 5 Podalirius 2 13 July 2021
pas_valide Hash - Message Digest 5 17% 64391 5 g0uZ 7 31 January 2010
pas_valide Hash - NT 3% 7840 5 Podalirius 2 13 July 2021
pas_valide Hash - SHA-2 9% 34076 5 koma 4 3 June 2012
pas_valide Shift cipher 6% 22233 10 m31z0nyx 10 16 February 2011
pas_valide CISCO - Salted Password 2% 6352 10 Tidusrose 3 13 July 2021
pas_valide Pixel Madness 5% 17176 15 Ryscrow 10 3 February 2011
pas_valide ELF64 - PID encryption 3% 8569 15 Lu33Y 10 8 February 2012
pas_valide File - PKZIP 4% 14159 15 g0uZ 6 30 August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 17995 15 Arod 5 22 October 2011
pas_valide Circular Bit Shift 1% 2172 20 BlackRaven 3 21 March 2023
pas_valide Known plaintext - XOR 3% 9963 20 Ryscrow 5 3 February 2011
pas_valide Code - Pseudo Random Number Generator 2% 4020 20 Tosh 6 19 December 2012
pas_valide Encoding - Codebook 1% 583 20 n3rada 1 21 March 2023
pas_valide File - PKZIP 2 1% 547 20 kevin.mille 2 8 November 2024
pas_valide File - Insecure storage 1 3% 9763 20 g0uZ 7 6 February 2012
pas_valide Polyalphabetic substitution - Vigenère 3% 11116 20 Arod 3 26 October 2011
pas_valide System - Android lock pattern 2% 7333 20 Silentd 5 23 December 2012
pas_valide Transposition - Rail Fence 2% 6943 20 YellowS4 4 6 April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 1785 25 Tie21 5 17 June 2018
pas_valide AES - ECB 1% 2937 25 cez40 4 29 November 2015
pas_valide AES - ECB - Copy Paste 1% 452 25 Vozec 1 5 February 2024
pas_valide DSA - Implementation error 1% 186 25 Vozec 1 13 December 2024
pas_valide LFSR - Known plaintext 1% 1256 25 Brissouille 2 28 November 2017
pas_valide RSA - Factorisation 2% 5481 25 HacKSpider 5 12 September 2010
pas_valide RSA - Decipher Oracle 1% 2244 25 Zweisamkeit 4 11 May 2017
pas_valide Service - Timing attack 1% 3051 25 g0uZ , koma 5 28 October 2012
pas_valide Monoalphabetic substitution - Polybe 2% 4172 25 koma 6 6 December 2011
pas_valide Twisted secret 1% 618 25 NonStandardModel 2 14 August 2020
pas_valide Initialisation Vector 1% 2444 25 manticore , notfound404 6 25 August 2015
pas_valide Hill Cipher 1% 339 30 LetMeR00t 1 21 March 2023
pas_valide GEDEFU 1% 617 30 makhno 1 13 September 2016
pas_valide OTP - Implementation error 1% 576 30 Podalirius 3 22 March 2021
pas_valide RSA - Corrupted key 1 1% 510 30 blackndoor 2 28 November 2017
pas_valide RSA - Continued fractions 1% 1668 30 sambecks 1 8 September 2015
pas_valide RSA - Common modulus 1% 2226 30 franb 3 24 December 2016
pas_valide Service - Hash length extension attack 1% 1267 30 koma 1 19 August 2015
pas_valide Shamir Secret Sharing - Introduction 1% 466 30 Vozec 2 5 February 2024
pas_valide AES - 4 Rounds 1% 422 35 Cryptanalyse 0 5 September 2018
pas_valide ECDSA - Introduction 1% 408 35 Jrmbt 2 22 September 2019
pas_valide ElGamal - Fault attack (Introduction) 1% 97 35 Vozec 0 13 December 2024
pas_valide RSA - Padding 1% 348 35 Tosh 0 9 October 2016
pas_valide RSA - Signature 1% 262 35 sar 1 9 March 2020
pas_valide Shamir Secret Sharing - Traitor 1% 151 35 Vozec 1 5 February 2024
pas_valide AES128 - CTR 1% 825 40 Tosh 2 28 August 2015
pas_valide PHP - mt_rand 1% 204 40 NonStandardModel 0 28 March 2022
pas_valide Discrete logarithm problem 1% 1436 40 RFC4949 3 8 June 2014
pas_valide RSA - Corrupted key 2 1% 363 40 blackndoor 1 11 January 2018
pas_valide RSA - Corrupted key 3 1% 228 40 blackndoor 0 5 September 2019
pas_valide RSA - Multiple recipients 1% 1765 40 franb 4 29 November 2015
pas_valide AES - Fault attack #1 1% 242 50 Cryptanalyse 1 20 September 2018
pas_valide FEAL - Differential Cryptanalysis 1% 64 50 Tosh 1 28 March 2022
pas_valide Goldreich Goldwasser Halevi | Weak Parameter 1% 53 50 Vozec 0 13 December 2024
pas_valide Enigma Machine 1% 296 50 peyman 2 12 October 2016
pas_valide Side Channel - AES : CPA 1% 137 50 cb34 0 28 March 2022
pas_valide ECDHE 1% 283 60 Tosh 2 20 November 2016
pas_valide NTRU | Multiple Transmission 1% 53 60 Vozec 0 13 December 2024
pas_valide NTRU | Weak Parameter 1% 49 60 Vozec 0 13 December 2024
pas_valide RSA - H-rabin 1% 119 60 Vozec 0 21 March 2023
pas_valide RSA - Lee cooper 1% 195 60 blackndoor , Synacktiv 1 7 November 2019
pas_valide Service - CBC Padding 1% 1468 60 koma 2 4 October 2012
pas_valide Side Channel - AES : first round 1% 146 60 walafc0 0 28 March 2022
pas_valide Polyalphabetic substitution - One Time Pad 1% 434 60 Thanat0s 0 2 June 2013
pas_valide White-Box Cryptography 1% 312 60 Cryptanalyse 3 21 October 2018
pas_valide AES - Weaker variant 1% 196 70 Cryptanalyse 1 29 August 2018
pas_valide Shamir Secret Sharing - Reduction 1% 96 70 Vozec 0 5 February 2024
pas_valide Hash - SHA-3 1% 228 75 Revenger 1 10 December 2016
pas_valide AES - Fault attack #2 1% 168 80 Cryptanalyse 1 20 September 2018
pas_valide Shamir Secret Sharing - Irreducible ? 1% 74 90 Mr7F 1 5 February 2024
pas_valide AES-PMAC 1% 61 100 Cryptanalyse 0 26 May 2019
pas_valide ECDSA - Implementation error 1% 92 100 Tosh 0 29 September 2019