GEDEFU

30 Points  0x0

June 2, 1918, he decrypts an important message to win the First World War

Author

makhno,  

Level  Difficulty

Validations

549 Challengers 1%

Note  Notation

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88 Votes

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solutions 1 Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang Date
Crafty Cryptanalyse  GEDEFU fr 24 October 2023 at 02:05
snow_raph Cryptanalyse  GEDEFU fr 12 October 2023 at 18:51
_netes Cryptanalyse  GEDEFU fr 9 October 2023 at 13:03
shasui Cryptanalyse  GEDEFU fr 18 September 2023 at 12:11
glxblt Cryptanalyse  GEDEFU fr 10 September 2023 at 16:06
Minypoulpe Cryptanalyse  GEDEFU fr 3 August 2023 at 20:53
le6n6rl16n Cryptanalyse  GEDEFU fr 2 August 2023 at 08:30
Sheldstein Cryptanalyse  GEDEFU fr 6 July 2023 at 00:25
Pleistone Cryptanalyse  GEDEFU fr 3 July 2023 at 21:12
skav Cryptanalyse  GEDEFU fr 18 June 2023 at 22:26

challenges 69 Challenges

Results Name Validations ↓↑ Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Shamir Secret Sharing - Irreducible ? 1% 7 90 Mister7F 0 5 February 2024
pas_valide Shamir Secret Sharing - Reduction 1% 10 70 Vozec 0 5 February 2024
pas_valide Shamir Secret Sharing - Traitor 1% 12 35 Vozec 0 5 February 2024
pas_valide AES-PMAC 1% 33 100 Cryptanalyse 0 26 May 2019
pas_valide FEAL - Differential Cryptanalysis 1% 35 50 Tosh 0 28 March 2022
pas_valide ECDSA - Implementation error 1% 52 100 Tosh 0 29 September 2019
pas_valide RSA - H-rabin 1% 55 60 Vozec 0 21 March 2023
pas_valide Side Channel - AES : first round 1% 62 60 walafc0 0 28 March 2022
pas_valide Side Channel - AES : CPA 1% 64 50 cb34 0 28 March 2022
pas_valide AES - Fault attack #2 1% 123 80 Cryptanalyse 1 20 September 2018
pas_valide AES - Weaker variant 1% 125 70 Cryptanalyse 1 29 August 2018
pas_valide PHP - mt_rand 1% 131 40 NonStandardModel 0 28 March 2022
pas_valide RSA - Lee cooper 1% 137 60 blackndoor , Synacktiv 1 7 November 2019
pas_valide AES - ECB - Copy Paste 1% 144 25 Vozec 1 5 February 2024
pas_valide Hash - SHA-3 1% 148 75 Revenger 1 10 December 2016
pas_valide Hill Cipher 1% 150 30