Service - Hash length extension attack

30 Punkte  

H(key ∥ message)

Autor

koma,  

Stufe  Schwierigkeitsgrad

Validierung

410 Herausforderer 1%

Bewertung  Bewertung

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37 votes
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Musterlösung  Musterlösung

Eine Musterlösung vorschlagen

Ergebnisse der Übungen Ergebnisse der Übungen

Nickname Übungen Sprache date
yokésé   Service - Hash length extension attack fr 20. August 2019 zu  17:17
Forgiven   Service - Hash length extension attack fr 18. August 2019 zu  03:25
erk3   Service - Hash length extension attack fr 17. August 2019 zu  17:47
youpla1   Service - Hash length extension attack fr 17. August 2019 zu  08:25
macz   Service - Hash length extension attack en 16. August 2019 zu  10:07
siroc   Service - Hash length extension attack en 15. August 2019 zu  16:07
M0rbAck   Service - Hash length extension attack en 14. August 2019 zu  18:57
Locesi   Service - Hash length extension attack fr 12. August 2019 zu  19:14
BzhErlb   Service - Hash length extension attack fr 3. August 2019 zu  23:15
destiny   Service - Hash length extension attack en 3. August 2019 zu  15:47

In dieser Rubrik veröffentlichte Übungen 44 Übungen

Ergebnis Name der Übung Validierung Anzahl der Punkte  Erklärung der Punktevergabe Schwierigkeitsgrad  Schwierigkeitsgrad Autor Bewertung  Bewertung Musterlösung
pas_valide Encoding - ASCII 26% 36762 5 Xartrick 1
pas_valide Encoding - UU 21% 29163 5 g0uZ 0
pas_valide Hash - Message Digest 5 21% 29880 5 g0uZ 1
pas_valide Hash - SHA-2 11% 14920 5 koma 1
pas_valide Shift cipher 7% 8816 10 m31z0nyx 0
pas_valide Pixel Madness 5% 7135 15 Ryscrow 0
pas_valide ELF64 - PID encryption 3% 4111 15 Lu33Y 1
pas_valide File - PKZIP 4% 5266 15 g0uZ 0
pas_valide Monoalphabetic substitution - Caesar 5% 6869 15 Arod 0
pas_valide Known plaintext - XOR 3% 4314 20 Ryscrow 0
pas_valide Code - Pseudo Random Number Generator 2% 1633 20 Tosh 0
pas_valide File - Insecure storage 1 4% 4815 20 g0uZ 0
pas_valide Polyalphabetic substitution - Vigenère 4% 4676 20 Arod 0
pas_valide System - Android lock pattern 3% 2998 20 Silentd 0
pas_valide Transposition - Rail Fence 2% 2831 20 YellowS4 0
pas_valide AES - CBC - Bit-Flipping Attack 1% 300 25 Tie21 0
pas_valide AES - ECB 1% 1188 25 cez40 0
pas_valide LFSR - Known plaintext 1% 233 25 Brissouille 0
pas_valide RSA - Factorisation 2% 1975 25 HacKSpider 0
pas_valide RSA - Decipher Oracle 1% 535 25 Zweisamkeit 0
pas_valide Service - Timing attack 1% 1437 25 g0uZ, koma 1
pas_valide Monoalphabetic substitution - Polybe 2% 1628 25 koma 0
pas_valide Initialisation Vector 1% 882 25 manticore, notfound 0
pas_valide GEDEFU 1% 277 30 makhno 0
pas_valide RSA - Corrupted key V1 1% 118 30 blackndoor 0
pas_valide RSA - Continued fractions 1% 676 30 sambecks 0
pas_valide RSA - Common modulus 1% 622 30 franb 0
pas_valide Service - Hash length extension attack 1% 410 30 koma 0
pas_valide AES - 4 Rounds 1% 89 35 Cryptanalyse 0
pas_valide RSA - Padding 1% 124 35 Tosh 0
pas_valide AES128 - CTR 1% 375 40 Tosh 0
pas_valide Discrete logarithm problem 1% 500 40 Thanat0s, RFC4949 0
pas_valide RSA - Corrupted key V2 1% 91 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 577 40 franb 0
pas_valide AES - Fault attack #1 1% 45 50 Cryptanalyse 0
pas_valide Enigma Machine 1% 101 50 peyman 0
pas_valide ECDHE 1% 112 60 Tosh 0
pas_valide Service - CBC Padding 1% 614 60 koma 0
pas_valide Polyalphabetic substitution - One Time Pad 1% 255 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 72 60 Cryptanalyse 0
pas_valide AES - Weaker variant 1% 31 70 Cryptanalyse 0
pas_valide Hash - SHA-3 1% 57 75 Revenger 0
pas_valide AES - Fault attack #2 1% 32 80 Cryptanalyse 0
pas_valide AES-PMAC 1% 7 100 Cryptanalyse 0