RSA - Multiple recipients

40 Points  0x0

Chinese!

Author

franb,  

Level  Difficulty

Validations

1152 Challengers 1%

Note  Notation

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75 Votes

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solutions 3 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
tferreira Cryptanalyse  RSA - Multiples destinataires fr 26 November 2022 at 01:41
yh_0x7 Cryptanalyse  RSA - Multiples destinataires fr 24 November 2022 at 23:43
Superior Cryptanalysis  RSA - Multiple recipients en 23 November 2022 at 22:59
Tom248 Cryptanalyse  RSA - Multiples destinataires fr 22 November 2022 at 13:13
FrenchLander Cryptanalyse  RSA - Multiples destinataires fr 21 November 2022 at 03:18
N04H Cryptanalyse  RSA - Multiples destinataires fr 20 November 2022 at 21:15
Blutch Cryptanalyse  RSA - Multiples destinataires fr 20 November 2022 at 17:01
vytex0 Cryptanalyse  RSA - Multiples destinataires fr 20 November 2022 at 14:42
Kpop_Latios Cryptanalyse  RSA - Multiples destinataires fr 18 November 2022 at 11:32
dark0dex Cryptanalysis  RSA - Multiple recipients en 18 November 2022 at 10:20

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% 71073 5 Xartrick 10 4 December 2012
pas_valide Encoding - UU 21% 55057 5 g0uZ 10 7 October 2006
pas_valide Hash - DCC 2% 2946 5 Podalirius 1 13 July 2021
pas_valide Hash - DCC2 2% 2892 5 Podalirius 1 13 July 2021
pas_valide Hash - LM 2% 3404 5 Podalirius 1 13 July 2021
pas_valide Hash - Message Digest 5 19% 51477 5 g0uZ 7 31 January 2010
pas_valide Hash - NT 1% 2428 5 Podalirius 1 13 July 2021
pas_valide Hash - SHA-2 10% 26577 5 koma 4 3 June 2012
pas_valide Shift cipher 7% 16480 10 m31z0nyx 10 16 February 2011
pas_valide CISCO - Salted Password 1% 2233 10 Tidusrose 3 13 July 2021
pas_valide Pixel Madness 5% 12943 15 Ryscrow 10 3 February 2011
pas_valide ELF64 - PID encryption 3% 6510 15 Lu33Y 10 8 February 2012
pas_valide File - PKZIP 4% 9960 15 g0uZ 6 30 August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 12750 15 Arod 5 22 October 2011
pas_valide Known plaintext - XOR 3% 7292 20 Ryscrow 5 3 February 2011
pas_valide Code - Pseudo Random Number Generator 2% 2838 20 Tosh 6 19 December 2012
pas_valide File - Insecure storage 1 3% 7540 20 g0uZ 7 6 February 2012
pas_valide Polyalphabetic substitution - Vigenère 4% 8326 20 Arod 3 26 October 2011
pas_valide System - Android lock pattern 3% 5515 20 Silentd 5 23 December 2012
pas_valide Transposition - Rail Fence 2% 5164 20 YellowS4 4 6 April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 1171 25 Tie21 4 17 June 2018
pas_valide AES - ECB 1% 2060 25 cez40 4 29 November 2015
pas_valide LFSR - Known plaintext 1% 736 25 Brissouille 2 28 November 2017
pas_valide RSA - Factorisation 2% 3690 25 HacKSpider 5 12 September 2010
pas_valide RSA - Decipher Oracle 1% 1422 25 Zweisamkeit 3 11 May 2017
pas_valide Service - Timing attack 1% 2302 25 g0uZ 4 28 October 2012
pas_valide Monoalphabetic substitution - Polybe 2% 3041 25 koma 6 6 December 2011
pas_valide Twisted secret 1% 302 25 NonStandardModel 1 14 August 2020
pas_valide Initialisation Vector 1% 1643 25 manticore 6 25 August 2015
pas_valide GEDEFU 1% 495 30 makhno 1 13 September 2016
pas_valide OTP - Implementation error 1% 243 30 Podalirius 2 22 March 2021
pas_valide RSA - Corrupted key 1 1% 325 30 blackndoor 2 28 November 2017
pas_valide RSA - Continued fractions 1% 1155 30 sambecks 1 8 September 2015
pas_valide RSA - Common modulus 1% 1421 30 franb 3 24 December 2016
pas_valide Service - Hash length extension attack 1% 870 30 koma 1 19 August 2015
pas_valide AES - 4 Rounds 1% 236 35 Cryptanalyse 0 5 September 2018
pas_valide ECDSA - Introduction 1% 224 35 Jrmbt 2 22 September 2019
pas_valide RSA - Padding 1% 224 35 Tosh 0 9 October 2016
pas_valide RSA - Signature 1% 124 35 sar 1 9 March 2020
pas_valide AES128 - CTR 1% 571 40 Tosh 2 28 August 2015
pas_valide PHP - mt_rand 1% 79 40 NonStandardModel 0 28 March 2022
pas_valide Discrete logarithm problem 1% 908 40 RFC4949 3 8 June 2014
pas_valide RSA - Corrupted key 2 1% 221 40 blackndoor 1 11 January 2018
pas_valide RSA - Corrupted key 3 1% 116 40 blackndoor 0 5 September 2019
pas_valide RSA - Multiple recipients 1% 1153 40 franb 3 29 November 2015
pas_valide AES - Fault attack #1 1% 131 50 Cryptanalyse 1 20 September 2018
pas_valide FEAL - Differential Cryptanalysis 1% 15 50 Tosh 0 28 March 2022
pas_valide Enigma Machine 1% 211 50 peyman 2 12 October 2016
pas_valide Side Channel - AES : CPA 1% 26 50 cb34 0 28 March 2022
pas_valide ECDHE 1% 197 60 Tosh 2 20 November 2016
pas_valide RSA - Lee cooper 1% 108 60 blackndoor 1 7 November 2019
pas_valide Service - CBC Padding 1% 1034 60 koma 1 4 October 2012
pas_valide Side Channel - AES : first round 1% 25 60 walafc0 0 28 March 2022
pas_valide Polyalphabetic substitution - One Time Pad 1% 347 60 Thanat0s 0 2 June 2013
pas_valide White-Box Cryptography 1% 173 60 Cryptanalyse 3 21 October 2018
pas_valide AES - Weaker variant 1% 109 70 Cryptanalyse 1 29 August 2018
pas_valide Hash - SHA-3 1% 136 75 Revenger 1 10 December 2016
pas_valide AES - Fault attack #2 1% 96 80 Cryptanalyse 1 20 September 2018
pas_valide AES-PMAC 1% 26 100 Cryptanalyse 0 26 May 2019
pas_valide ECDSA - Implementation error 1% 47 100 Tosh 0 29 September 2019