Service - Hash length extension attack

30 Punkte  0x0

H(key ∥ message)

Autor

koma,  

Stufe  Schwierigkeitsgrad

Validierung

552 Herausforderer 1%

Bewertung  Bewertung

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49 votes

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  Musterlösung

Eine Musterlösung vorschlagen

Ergebnisse der Übungen Ergebnisse der Übungen

Nickname Übungen Sprache date
urandom   Service - Hash length extension attack 9. Juli 2020 zu  16:47
Nyu   Service - Hash length extension attack 6. Juli 2020 zu  22:57
Ssauw   Service - Hash length extension attack 6. Juli 2020 zu  12:51
yaumn   Service - Hash length extension attack 6. Juli 2020 zu  00:04
Fey   Service - Hash length extension attack 2. Juli 2020 zu  13:18
Quanthor_ic   Service - Hash length extension attack 1. Juli 2020 zu  22:37
DrazZz   Service - Hash length extension attack 1. Juli 2020 zu  11:42
A1CY0N   Service - Hash length extension attack 29. Juni 2020 zu  20:28
x3ttw3   Service - Hash length extension attack 21. Juni 2020 zu  00:56
mp3merlin   Service - Hash length extension attack 9. Juni 2020 zu  22:59

 49 Übungen

Ergebnis Name Validierung Anzahl der Punkte  Erklärung der Punktevergabe Schwierigkeitsgrad  Schwierigkeitsgrad Autor Bewertung  Bewertung Musterlösung
pas_valide Encoding - ASCII 26% 47624 5 Xartrick 2
pas_valide Encoding - UU 21% 37502 5 g0uZ 1
pas_valide Hash - Message Digest 5 21% 38010 5 g0uZ 1
pas_valide Hash - SHA-2 11% 19379 5 koma 1
pas_valide Shift cipher 7% 11808 10 m31z0nyx 0
pas_valide Pixel Madness 6% 9313 15 Ryscrow 1
pas_valide ELF64 - PID encryption 3% 5107 15 Lu33Y 1
pas_valide File - PKZIP 4% 7001 15 g0uZ 0
pas_valide Monoalphabetic substitution - Caesar 5% 8941 15 Arod 0
pas_valide Known plaintext - XOR 3% 5384 20 Ryscrow 0
pas_valide Code - Pseudo Random Number Generator 2% 2051 20 Tosh 0
pas_valide File - Insecure storage 1 4% 5698 20 g0uZ 0
pas_valide Polyalphabetic substitution - Vigenère 4% 5994 20 Arod 0
pas_valide System - Android lock pattern 3% 3866 20 Silentd 0
pas_valide Transposition - Rail Fence 2% 3637 20 YellowS4 0
pas_valide AES - CBC - Bit-Flipping Attack 1% 575 25 Tie21 0
pas_valide AES - ECB 1% 1518 25 cez40 0
pas_valide LFSR - Known plaintext 1% 428 25 Brissouille 0
pas_valide RSA - Factorisation 2% 2519 25 HacKSpider 0
pas_valide RSA - Decipher Oracle 1% 808 25 Zweisamkeit 0
pas_valide Service - Timing attack 1% 1713 25 g0uZ, koma 1
pas_valide Monoalphabetic substitution - Polybe 2% 2097 25 koma 0
pas_valide Initialisation Vector 1% 1141 25 manticore, notfound404 0
pas_valide GEDEFU 1% 378 30 makhno 0
pas_valide RSA - Corrupted key 1 1% 194 30 blackndoor 0
pas_valide RSA - Continued fractions 1% 857 30 sambecks 0
pas_valide RSA - Common modulus 1% 883 30 franb 0
pas_valide Service - Hash length extension attack 1% 552 30 koma 0
pas_valide AES - 4 Rounds 1% 143 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 114 35 Jrmbt 0
pas_valide RSA - Padding 1% 160 35 Tosh 0
pas_valide RSA - Signature 1% 55 35 s4r 0
pas_valide AES128 - CTR 1% 446 40 Tosh 0
pas_valide Discrete logarithm problem 1% 612 40 Thanat0s, RFC4949 0
pas_valide RSA - Corrupted key 2 1% 134 40 blackndoor 0
pas_valide RSA - Corrupted key 3 1% 67 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 760 40 franb 0
pas_valide AES - Fault attack #1 1% 76 50 Cryptanalyse 0
pas_valide Enigma Machine 1% 138 50 peyman 0
pas_valide ECDHE 1% 139 60 Tosh 0
pas_valide RSA - Lee cooper 1% 55 60 blackndoor, Synacktiv 0
pas_valide Service - CBC Padding 1% 766 60 koma 0
pas_valide Polyalphabetic substitution - One Time Pad 1% 280 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 101 60 Cryptanalyse 0
pas_valide AES - Weaker variant 1% 46 70 Cryptanalyse 0
pas_valide Hash - SHA-3 1% 79 75 Revenger 0
pas_valide AES - Fault attack #2 1% 53 80 Cryptanalyse 0
pas_valide AES-PMAC 1% 11 100 Cryptanalyse 0
pas_valide ECDSA - Implementation error 1% 18 100 Tosh 0