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Service - Hash length extension attack

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30 Punkte  0x0

H(Schlüssel ∥ Nachricht)

Autor

koma,  

Stufe  Schwierigkeitsgrad

Validierung

1181 Herausforderer 1%

Bewertung  Bewertung

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78 votes

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solutions 1 Musterlösung

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Ergebnisse der Übungen Ergebnisse der Übungen

Nickname Übungen Sprache date
mycroft Cryptanalyse  Service - Hash length extension attack fr 2. November 2023 zu  10:11
Nguyen Van Thang Cryptanalysis  Service - Hash length extension attack en 1. November 2023 zu  15:30
Trong Van Cryptanalysis  Service - Hash length extension attack en 1. November 2023 zu  15:14
W3nil0r4cW Cryptanalyse  Service - Hash length extension attack fr 1. November 2023 zu  12:29
edmael Cryptanalysis  Service - Hash length extension attack en 31. Oktober 2023 zu  17:57
3C4D Cryptanalyse  Service - Hash length extension attack fr 31. Oktober 2023 zu  00:50
yetAnotherExcessivelyLongUsername Cryptanalyse  Service - Hash length extension attack fr 29. Oktober 2023 zu  17:19
vivek kumar Cryptanalysis  Service - Hash length extension attack en 27. Oktober 2023 zu  08:56
SeregaRdz Cryptanalyse  Service - Hash length extension attack fr 25. Oktober 2023 zu  21:39
Bigboss Cryptanalyse  Service - Hash length extension attack fr 22. Oktober 2023 zu  20:07

challenges 75 Premium Übungen

Ergebnis Name Validierung Anzahl der Punkte  Erklärung der Punktevergabe Schwierigkeitsgrad  Schwierigkeitsgrad Autor Bewertung  Bewertung Musterlösung date
pas_valide Encoding - ASCII 26% 91482 5 Xartrick 2 4. Dezember 2012
pas_valide Encoding - UU 20% 70494 5 g0uZ 1 7. Oktober 2006
pas_valide Hash - DCC 3% 8434 5 Podalirius 0 13. Juli 2021
pas_valide Hash - DCC2 3% 7775 5 Podalirius 0 13. Juli 2021
pas_valide Hash - LM 3% 8245 5 Podalirius 0 13. Juli 2021
pas_valide Hash - Message Digest 5 18% 61727 5 g0uZ 1 31. Januar 2010
pas_valide Hash - NT 2% 6666 5 Podalirius 0 13. Juli 2021
pas_valide Hash - SHA-2 10% 32538 5 koma 1 3. Juni 2012
pas_valide Shift cipher 6% 20782 10 m31z0nyx 1 16. Februar 2011
pas_valide CISCO - Salted Password 2% 5389 10 Tidusrose 0 13. Juli 2021
pas_valide Pixel Madness 5% 16186 15 Ryscrow 2 3. Februar 2011
pas_valide ELF64 - PID encryption 3% 8055 15 Lu33Y 1 8. Februar 2012
pas_valide File - PKZIP 4% 13200 15 g0uZ 0 30. August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 16735 15 Arod 0 22. Oktober 2011
pas_valide Circular Bit Shift 1% 1566 20 BlackRaven 0 21. März 2023
pas_valide Known plaintext - XOR 3% 9267 20 Ryscrow 0 3. Februar 2011
pas_valide Code - Pseudo Random Number Generator 1% 3599 20 Tosh 0 19. Dezember 2012
pas_valide Encoding - Codebook 1% 394 20 n3rada 0 21. März 2023
pas_valide File - PKZIP 2 1% 268 20 kevin.mille 0 8. November 2024
pas_valide File - Insecure storage 1 3% 9317 20 g0uZ 0 6. Februar 2012
pas_valide Polyalphabetic substitution - Vigenère 3% 10498 20 Arod 0 26. Oktober 2011
pas_valide System - Android lock pattern 2% 6934 20 Silentd 0 23. Dezember 2012
pas_valide Transposition - Rail Fence 2% 6493 20 YellowS4 0 6. April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 1658 25 Tie21 0 17. Juni 2018
pas_valide AES - ECB 1% 2696 25 cez40 0 29. November 2015
pas_valide AES - ECB - Copy Paste 1% 313 25 Vozec 0 5. Februar 2024
pas_valide DSA - Implementation error 1% 19 25 Vozec 0 13. Dezember 2024
pas_valide LFSR - Known plaintext 1% 1039 25 Brissouille 0 28. November 2017
pas_valide RSA - Factorisation 2% 5017 25 HacKSpider 0 12. September 2010
pas_valide RSA - Decipher Oracle 1% 2027 25 Zweisamkeit 0 11. Mai 2017
pas_valide Service - Timing attack 1% 2890 25 g0uZ , koma 1 28. Oktober 2012
pas_valide Monoalphabetic substitution - Polybe 2% 3926 25 koma 0 6. Dezember 2011
pas_valide Twisted secret 1% 494 25 NonStandardModel 0 14. August 2020
pas_valide Initialisation Vector 1% 2232 25 manticore , notfound404 0 25. August 2015
pas_valide Hill Cipher 1% 208 30 LetMeR00t 0 21. März 2023
pas_valide GEDEFU 1% 570 30 makhno 0 13. September 2016
pas_valide OTP - Implementation error 1% 460 30 Podalirius 0 22. März 2021
pas_valide RSA - Corrupted key 1 1% 441 30 blackndoor 0 28. November 2017
pas_valide RSA - Continued fractions 1% 1477 30 sambecks 0 8. September 2015
pas_valide RSA - Common modulus 1% 2020 30 franb 0 24. Dezember 2016
pas_valide Service - Hash length extension attack 1% 1176 30 koma 1 19. August 2015
pas_valide Shamir Secret Sharing - Introduction 1% 326 30 Vozec 0 5. Februar 2024
pas_valide AES - 4 Rounds 1% 353 35 Cryptanalyse 0 5. September 2018
pas_valide ECDSA - Introduction 1% 325 35 Jrmbt 0 22. September 2019
pas_valide ElGamal - Fault attack (Introduction) 1% 12 35 Vozec 0 13. Dezember 2024
pas_valide RSA - Padding 1% 289 35 Tosh 0 9. Oktober 2016
pas_valide RSA - Signature 1% 193 35 sar 0 9. März 2020
pas_valide Shamir Secret Sharing - Traitor 1% 89 35 Vozec 0 5. Februar 2024
pas_valide AES128 - CTR 1% 712 40 Tosh 0 28. August 2015
pas_valide PHP - mt_rand 1% 158 40 NonStandardModel 0 28. März 2022
pas_valide Discrete logarithm problem 1% 1291 40 RFC4949 0 8. Juni 2014
pas_valide RSA - Corrupted key 2 1% 320 40 blackndoor 0 11. Januar 2018
pas_valide RSA - Corrupted key 3 1% 186 40 blackndoor 0 5. September 2019
pas_valide RSA - Multiple recipients 1% 1625 40 franb 0 29. November 2015
pas_valide AES - Fault attack #1 1% 191 50 Cryptanalyse 0 20. September 2018
pas_valide FEAL - Differential Cryptanalysis 1% 46 50 Tosh 0 28. März 2022
pas_valide Goldreich Goldwasser Halevi | Weak Parameter 1% 7 50 Vozec 0 13. Dezember 2024
pas_valide Enigma Machine 1% 260 50 peyman 0 12. Oktober 2016
pas_valide Side Channel - AES : CPA 1% 81 50 cb34 0 28. März 2022
pas_valide ECDHE 1% 243 60 Tosh 0 20. November 2016
pas_valide NTRU | Multiple Transmission 1% 16 60 Vozec 0 13. Dezember 2024
pas_valide NTRU | Weak Parameter 1% 6 60 Vozec 0 13. Dezember 2024
pas_valide RSA - H-rabin 1% 85 60 Vozec 0 21. März 2023
pas_valide RSA - Lee cooper 1% 163 60 blackndoor , Synacktiv 0 7. November 2019
pas_valide Service - CBC Padding 1% 1356 60 koma 0 4. Oktober 2012
pas_valide Side Channel - AES : first round 1% 83 60 walafc0 0 28. März 2022
pas_valide Polyalphabetic substitution - One Time Pad 1% 379 60 Thanat0s 0 2. Juni 2013
pas_valide White-Box Cryptography 1% 243 60 Cryptanalyse 0 21. Oktober 2018
pas_valide AES - Weaker variant 1% 142 70 Cryptanalyse 0 29. August 2018
pas_valide Shamir Secret Sharing - Reduction 1% 47 70 Vozec 0 5. Februar 2024
pas_valide Hash - SHA-3 1% 160 75 Revenger 0 10. Dezember 2016
pas_valide AES - Fault attack #2 1% 134 80 Cryptanalyse 0 20. September 2018
pas_valide Shamir Secret Sharing - Irreducible ? 1% 30 90 Mister7F 0 5. Februar 2024
pas_valide AES-PMAC 1% 38 100 Cryptanalyse 0 26. Mai 2019
pas_valide ECDSA - Implementation error 1% 65 100 Tosh 0 29. September 2019