Service - Hash length extension attack

30 Punkte  0x0

H(Schlüssel ∥ Nachricht)

Autor

koma,  

Stufe  Schwierigkeitsgrad

Validierung

805 Herausforderer 1%

Bewertung  Bewertung

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64 votes

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solutions 1 Musterlösung

Musterlösungen anschauen Eine Musterlösung vorschlagen

Ergebnisse der Übungen Ergebnisse der Übungen

Nickname Übungen Sprache date
Pyfu Cryptanalyse  Service - Hash length extension attack fr 19. Mai 2022 zu  18:18
Vozec Cryptanalyse  Service - Hash length extension attack fr 17. Mai 2022 zu  23:01
glx1036 Cryptanalyse  Service - Hash length extension attack fr 17. Mai 2022 zu  14:39
Lykka Cryptanalyse  Service - Hash length extension attack fr 3. Mai 2022 zu  18:38
ratov Cryptanalysis  Service - Hash length extension attack en 30. April 2022 zu  11:02
NiakTheWizard Cryptanalyse  Service - Hash length extension attack fr 28. April 2022 zu  18:00
ShoxX Cryptanalyse  Service - Hash length extension attack fr 25. April 2022 zu  11:44
!IAA Cryptanalyse  Service - Hash length extension attack fr 13. April 2022 zu  18:38
xanhacks Cryptanalyse  Service - Hash length extension attack fr 11. April 2022 zu  18:18
Theo Cryptanalyse  Service - Hash length extension attack fr 7. April 2022 zu  11:04

challenges 60 Übungen

Ergebnis Name Validierung Anzahl der Punkte  Erklärung der Punktevergabe Schwierigkeitsgrad  Schwierigkeitsgrad Autor Bewertung  Bewertung Musterlösung date
pas_valide Encoding - ASCII 26% 66988 5 Xartrick 2 4. Dezember 2012
pas_valide Encoding - UU 21% 51811 5 g0uZ 1 7. Oktober 2006
pas_valide Hash - DCC 1% 2168 5 Podalirius 0 13. Juli 2021
pas_valide Hash - DCC2 1% 2133 5 Podalirius 0 13. Juli 2021
pas_valide Hash - LM 1% 2532 5 Podalirius 0 13. Juli 2021
pas_valide Hash - Message Digest 5 20% 49426 5 g0uZ 1 31. Januar 2010
pas_valide Hash - NT 1% 1744 5 Podalirius 0 13. Juli 2021
pas_valide Hash - SHA-2 10% 25434 5 koma 1 3. Juni 2012
pas_valide Shift cipher 7% 15747 10 m31z0nyx 1 16. Februar 2011
pas_valide CISCO - Salted Password 1% 1607 10 Tidusrose 0 13. Juli 2021
pas_valide Pixel Madness 5% 12388 15 Ryscrow 2 3. Februar 2011
pas_valide ELF64 - PID encryption 3% 6257 15 Lu33Y 1 8. Februar 2012
pas_valide File - PKZIP 4% 9450 15 g0uZ 0 30. August 2010
pas_valide Monoalphabetic substitution - Caesar 5% 12116 15 Arod 0 22. Oktober 2011
pas_valide Known plaintext - XOR 3% 6942 20 Ryscrow 0 3. Februar 2011
pas_valide Code - Pseudo Random Number Generator 2% 2697 20 Tosh 0 19. Dezember 2012
pas_valide File - Insecure storage 1 3% 7160 20 g0uZ 0 6. Februar 2012
pas_valide Polyalphabetic substitution - Vigenère 4% 7899 20 Arod 0 26. Oktober 2011
pas_valide System - Android lock pattern 3% 5220 20 Silentd 0 23. Dezember 2012
pas_valide Transposition - Rail Fence 2% 4890 20 YellowS4 0 6. April 2014
pas_valide AES - CBC - Bit-Flipping Attack 1% 1047 25 Tie21 0 17. Juni 2018
pas_valide AES - ECB 1% 1945 25 cez40 0 29. November 2015
pas_valide LFSR - Known plaintext 1% 667 25 Brissouille 0 28. November 2017
pas_valide RSA - Factorisation 2% 3457 25 HacKSpider 0 12. September 2010
pas_valide RSA - Decipher Oracle 1% 1268 25 Zweisamkeit 0 11. Mai 2017
pas_valide Service - Timing attack 1% 2171 25 g0uZ 1 28. Oktober 2012
pas_valide Monoalphabetic substitution - Polybe 2% 2865 25 koma 0 6. Dezember 2011
pas_valide Twisted secret 1% 265 25 NonStandardModel 0 14. August 2020
pas_valide Initialisation Vector 1% 1542 25 manticore 0 25. August 2015
pas_valide GEDEFU 1% 479 30 makhno 0 13. September 2016
pas_valide OTP - Implementation error 1% 197 30 Podalirius 0 22. März 2021
pas_valide RSA - Corrupted key 1 1% 307 30 blackndoor 0 28. November 2017
pas_valide RSA - Continued fractions 1% 1098 30 sambecks 0 8. September 2015
pas_valide RSA - Common modulus 1% 1299 30 franb 0 24. Dezember 2016
pas_valide Service - Hash length extension attack 1% 805 30 koma 1 19. August 2015
pas_valide AES - 4 Rounds 1% 215 35 Cryptanalyse 0 5. September 2018
pas_valide ECDSA - Introduction 1% 207 35 Jrmbt 0 22. September 2019
pas_valide RSA - Padding 1% 211 35 Tosh 0 9. Oktober 2016
pas_valide RSA - Signature 1% 109 35 sar 0 9. März 2020
pas_valide AES128 - CTR 1% 549 40 Tosh 0 28. August 2015
pas_valide PHP - mt_rand 1% 50 40 NonStandardModel 0 28. März 2022
pas_valide Discrete logarithm problem 1% 850 40 RFC4949 0 8. Juni 2014
pas_valide RSA - Corrupted key 2 1% 204 40 blackndoor 0 11. Januar 2018
pas_valide RSA - Corrupted key 3 1% 107 40 blackndoor 0 5. September 2019
pas_valide RSA - Multiple recipients 1% 1064 40 franb 0 29. November 2015
pas_valide AES - Fault attack #1 1% 118 50 Cryptanalyse 0 20. September 2018
pas_valide FEAL - Differential Cryptanalysis 1% 4 50 Tosh 0 28. März 2022
pas_valide Enigma Machine 1% 201 50 peyman 0 12. Oktober 2016
pas_valide Side Channel - AES : CPA 1% 2 50 cb34 0 28. März 2022
pas_valide ECDHE 1% 187 60 Tosh 0 20. November 2016
pas_valide RSA - Lee cooper 1% 98 60 blackndoor 0 7. November 2019
pas_valide Service - CBC Padding 1% 970 60 koma 0 4. Oktober 2012
pas_valide Side Channel - AES : first round 1% 2 60 walafc0 0 28. März 2022
pas_valide Polyalphabetic substitution - One Time Pad 1% 340 60 Thanat0s 0 2. Juni 2013
pas_valide White-Box Cryptography 1% 163 60 Cryptanalyse 0 21. Oktober 2018
pas_valide AES - Weaker variant 1% 96 70 Cryptanalyse 0 29. August 2018
pas_valide Hash - SHA-3 1% 123 75 Revenger 0 10. Dezember 2016
pas_valide AES - Fault attack #2 1% 86 80 Cryptanalyse 0 20. September 2018
pas_valide AES-PMAC 1% 20 100 Cryptanalyse 0 26. Mai 2019
pas_valide ECDSA - Implementation error 1% 39 100 Tosh 0 29. September 2019