Service - Hash length extension attack

30 Puntos  0x0

H(key ∥ message)

Autor o autora

koma,  

Niveau  Dificuldad

Validaciones

627 Challengeurs 1%

Nota  Notación

55 votos

Para acceder en esta sección, por favor de iniciar sesión

  Solución


 50 Retos

Resultados Nombre Validaciones Puntos  Explicaciones sobre la puntuación Dificuldad  Dificuldad Autor o autora Nota  Notación Solución
pas_valide Encoding - ASCII 26% 53093 5 Xartrick 2
pas_valide Encoding - UU 21% 41646 5 g0uZ 1
pas_valide Hash - Message Digest 5 21% 42009 5 g0uZ 2
pas_valide Hash - SHA-2 11% 21568 5 koma 1
pas_valide Shift cipher 7% 13170 10 m31z0nyx 0
pas_valide Pixel Madness 6% 10361 15 Ryscrow 0
pas_valide ELF64 - PID encryption 3% 5526 15 Lu33Y 2
pas_valide File - PKZIP 4% 7765 15 g0uZ 0
pas_valide Monoalphabetic substitution - Caesar 5% 9828 15 Arod 1
pas_valide Known plaintext - XOR 3% 5891 20 Ryscrow 0
pas_valide Code - Pseudo Random Number Generator 2% 2286 20 Tosh 0
pas_valide File - Insecure storage 1 4% 6156 20 g0uZ 0
pas_valide Polyalphabetic substitution - Vigenère 4% 6527 20 Arod 0
pas_valide System - Android lock pattern 3% 4290 20 Silentd 0
pas_valide Transposition - Rail Fence 2% 3968 20 YellowS4 0
pas_valide AES - CBC - Bit-Flipping Attack 1% 732 25 Tie21 0
pas_valide AES - ECB 1% 1656 25 cez40 0
pas_valide LFSR - Known plaintext 1% 497 25 Brissouille 0
pas_valide RSA - Factorisation 2% 2783 25 HacKSpider 0
pas_valide RSA - Decipher Oracle 1% 938 25 Zweisamkeit 0
pas_valide Service - Timing attack 1% 1837 25 g0uZ, koma 0
pas_valide Monoalphabetic substitution - Polybe 2% 2318 25 koma 0
pas_valide Twisted secret 1% 119 25 NonStandardModel 0
pas_valide Initialisation Vector 1% 1264 25 manticore, notfound404 0
pas_valide GEDEFU 1% 414 30 makhno 0
pas_valide RSA - Corrupted key 1 1% 233 30 blackndoor 0
pas_valide RSA - Continued fractions 1% 942 30 sambecks 0
pas_valide RSA - Common modulus 1% 1009 30 franb 0
pas_valide Service - Hash length extension attack 1% 627 30 koma 0
pas_valide AES - 4 Rounds 1% 167 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 138 35 Jrmbt 0
pas_valide RSA - Padding 1% 181 35 Tosh 0
pas_valide RSA - Signature 1% 71 35 s4r 0
pas_valide AES128 - CTR 1% 471 40 Tosh 0
pas_valide Discrete logarithm problem 1% 686 40 Thanat0s, RFC4949 0
pas_valide RSA - Corrupted key 2 1% 157 40 blackndoor 0
pas_valide RSA - Corrupted key 3 1% 77 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 843 40 franb 0
pas_valide AES - Fault attack #1 1% 90 50 Cryptanalyse 0
pas_valide Enigma Machine 1% 152 50 peyman 0
pas_valide ECDHE 1% 149 60 Tosh 0
pas_valide RSA - Lee cooper 1% 72 60 blackndoor, Synacktiv 0
pas_valide Service - CBC Padding 1% 820 60 koma 0
pas_valide Polyalphabetic substitution - One Time Pad 1% 299 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 115 60 Cryptanalyse 0
pas_valide AES - Weaker variant 1% 58 70 Cryptanalyse 0
pas_valide Hash - SHA-3 1% 82 75 Revenger 0
pas_valide AES - Fault attack #2 1% 66 80 Cryptanalyse 0
pas_valide AES-PMAC 1% 11 100 Cryptanalyse 0
pas_valide ECDSA - Implementation error 1% 21 100 Tosh 0