Service - Hash length extension attack

30 Punkte  0x0

H(key ∥ message)

Autor

koma,  

Stufe  Schwierigkeitsgrad

Validierung

0 Herausforderer 1%

Bewertung  Bewertung

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60 votes

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  Musterlösung

Eine Musterlösung vorschlagen

Ergebnisse der Übungen Ergebnisse der Übungen

Nickname Übungen Sprache date
Crazy man   Service - Hash length extension attack 6. Mai 2021 zu  18:52
CharlB   Service - Hash length extension attack 5. Mai 2021 zu  22:06
Wolf68   Service - Hash length extension attack 2. Mai 2021 zu  15:49
highlander   Service - Hash length extension attack 24. April 2021 zu  11:38
john alexander   Service - Hash length extension attack 23. April 2021 zu  13:06
TG91aXMK   Service - Hash length extension attack 22. April 2021 zu  19:39
Chakradhar Chinni   Service - Hash length extension attack 22. April 2021 zu  16:17
nlegall   Service - Hash length extension attack 22. April 2021 zu  00:12
vincd   Service - Hash length extension attack 20. April 2021 zu  22:04
Matioupi   Service - Hash length extension attack 18. April 2021 zu  09:55

 50 Übungen

Ergebnis Name Validierung Anzahl der Punkte  Erklärung der Punktevergabe Schwierigkeitsgrad  Schwierigkeitsgrad Autor Bewertung  Bewertung Musterlösung date
pas_valide Encoding - ASCII 26% 56706 5 Xartrick 2 4. Dezember 2012
pas_valide Encoding - UU 21% 44248 5 g0uZ 1 7. Oktober 2006
pas_valide Hash - Message Digest 5 21% 44451 5 g0uZ 1 31. Januar 2010
pas_valide Hash - SHA-2 11% 22846 5 koma 1 3. Juni 2012
pas_valide Shift cipher 7% 13946 10 m31z0nyx 1 16. Februar 2011
pas_valide Pixel Madness 6% 11009 15 Ryscrow 2 3. Februar 2011
pas_valide ELF64 - PID encryption 3% 5750 15 Lu33Y 1 8. Februar 2012
pas_valide File - PKZIP 4% 8217 15 g0uZ 0 30. August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 10341 15 Arod 0 22. Oktober 2011
pas_valide Known plaintext - XOR 3% 6166 20 Ryscrow 0 3. Februar 2011
pas_valide Code - Pseudo Random Number Generator 2% 2401 20 Tosh 0 19. Dezember 2012
pas_valide File - Insecure storage 1 3% 6392 20 g0uZ 0 6. Februar 2012
pas_valide Polyalphabetic substitution - Vigenère 4% 6867 20 Arod 0 26. Oktober 2011
pas_valide System - Android lock pattern 3% 4517 20 Silentd 0 23. Dezember 2012
pas_valide Transposition - Rail Fence 2% 4191 20 YellowS4 0 6. April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 828 25 Tie21 0 17. Juni 2018
pas_valide AES - ECB 1% 1719 25 cez40 0 29. November 2015
pas_valide LFSR - Known plaintext 1% 549 25 Brissouille 0 28. November 2017
pas_valide RSA - Factorisation 2% 2931 25 HacKSpider 0 12. September 2010
pas_valide RSA - Decipher Oracle 1% 1029 25 Zweisamkeit 0 11. Mai 2017
pas_valide Service - Timing attack 1% 1929 25 g0uZ 1 28. Oktober 2012
pas_valide Monoalphabetic substitution - Polybe 2% 2453 25 koma 0 6. Dezember 2011
pas_valide Twisted secret 1% 165 25 NonStandardModel 0 14. August 2020
pas_valide Initialisation Vector 1% 1329 25 manticore 0 25. August 2015
pas_valide GEDEFU 1% 429 30 makhno 0 13. September 2016
pas_valide RSA - Corrupted key 1 1% 253 30 blackndoor 0 28. November 2017
pas_valide RSA - Continued fractions 1% 987 30 sambecks 0 8. September 2015
pas_valide RSA - Common modulus 1% 1083 30 franb 0 24. Dezember 2016
pas_valide Service - Hash length extension attack 1% 674 30 koma 0 19. August 2015
pas_valide AES - 4 Rounds 1% 181 35 Cryptanalyse 0 5. September 2018
pas_valide ECDSA - Introduction 1% 162 35 Jrmbt 0 22. September 2019
pas_valide RSA - Padding 1% 189 35 Tosh 0 9. Oktober 2016
pas_valide RSA - Signature 1% 84 35 s4r 0 9. März 2020
pas_valide AES128 - CTR 1% 490 40 Tosh 0 28. August 2015
pas_valide Discrete logarithm problem 1% 732 40 RFC4949 0 8. Juni 2014
pas_valide RSA - Corrupted key 2 1% 168 40 blackndoor 0 11. Januar 2018
pas_valide RSA - Corrupted key 3 1% 87 40 blackndoor 0 5. September 2019
pas_valide RSA - Multiple recipients 1% 903 40 franb 0 29. November 2015
pas_valide AES - Fault attack #1 1% 99 50 Cryptanalyse 0 20. September 2018
pas_valide Enigma Machine 1% 163 50 peyman 0 12. Oktober 2016
pas_valide ECDHE 1% 161 60 Tosh 0 20. November 2016
pas_valide RSA - Lee cooper 1% 77 60 blackndoor 0 7. November 2019
pas_valide Service - CBC Padding 1% 862 60 koma 0 4. Oktober 2012
pas_valide Polyalphabetic substitution - One Time Pad 1% 313 60 Thanat0s 0 2. Juni 2013
pas_valide White-Box Cryptography 1% 123 60 Cryptanalyse 0 21. Oktober 2018
pas_valide AES - Weaker variant 1% 81 70 Cryptanalyse 0 29. August 2018
pas_valide Hash - SHA-3 1% 110 75 Revenger 0 10. Dezember 2016
pas_valide AES - Fault attack #2 1% 70 80 Cryptanalyse 0 20. September 2018
pas_valide AES-PMAC 1% 14 100 Cryptanalyse 0 26. Mai 2019
pas_valide ECDSA - Implementation error 1% 22 100 Tosh 0 29. September 2019