RSA - Common modulus

30 Points  0x0

Arithmetic Power

Author

franb,  

Level  Difficulty

Validations

924 Challengers 1%

Note  Notation

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5
53 Votes

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 2 Solutions

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Challenge Results Challenge Results

Pseudo Challenge Lang date
NeoInTheComputer   RSA - Common modulus 30 September 2020 at 16:04
ioqt_00   RSA - Modules communs 29 September 2020 at 11:20
ExTi0p   RSA - Modules communs 29 September 2020 at 02:08
Anythings   RSA - Modules communs 28 September 2020 at 22:45
Y0mmm   RSA - Modules communs 28 September 2020 at 19:20
Scrow   RSA - Modules communs 26 September 2020 at 20:55
john alexander   RSA - Common modulus 23 September 2020 at 18:44
Jeane   RSA - Modules communs 22 September 2020 at 11:01
Glorfindel   RSA - Modules communs 17 September 2020 at 22:10
BusyR   RSA - Common modulus 13 September 2020 at 21:54

 50 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 26% 49500 5 Xartrick 10
pas_valide Encoding - UU 21% 38835 5 g0uZ 10
pas_valide Hash - Message Digest 5 21% 39262 5 g0uZ 6
pas_valide Hash - SHA-2 11% 20048 5 koma 4
pas_valide Shift cipher 7% 12233 10 m31z0nyx 8
pas_valide Pixel Madness 5% 9634 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 5251 15 Lu33Y 10
pas_valide File - PKZIP 4% 7237 15 g0uZ 6
pas_valide Monoalphabetic substitution - Caesar 5% 9198 15 Arod 4
pas_valide Known plaintext - XOR 3% 5553 20 Ryscrow 5
pas_valide Code - Pseudo Random Number Generator 2% 2127 20 Tosh 5
pas_valide File - Insecure storage 1 4% 5839 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 6157 20 Arod 3
pas_valide System - Android lock pattern 3% 4010 20 Silentd 4
pas_valide Transposition - Rail Fence 2% 3750 20 YellowS4 3
pas_valide AES - CBC - Bit-Flipping Attack 1% 640 25 Tie21 1
pas_valide AES - ECB 1% 1579 25 cez40 4
pas_valide LFSR - Known plaintext 1% 451 25 Brissouille 1
pas_valide RSA - Factorisation 2% 2604 25 HacKSpider 5
pas_valide RSA - Decipher Oracle 1% 849 25 Zweisamkeit 3
pas_valide Service - Timing attack 1% 1763 25 g0uZ, koma 4
pas_valide Monoalphabetic substitution - Polybe 2% 2180 25 koma 6
pas_valide Twisted secret 1% 54 25 nonstandardmodel 1
pas_valide Initialisation Vector 1% 1191 25 manticore, notfound404 5
pas_valide GEDEFU 1% 394 30 makhno 1
pas_valide RSA - Corrupted key 1 1% 211 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 881 30 sambecks 1
pas_valide RSA - Common modulus 1% 924 30 franb 2
pas_valide Service - Hash length extension attack 1% 579 30 koma 1
pas_valide AES - 4 Rounds 1% 153 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 121 35 Jrmbt 1
pas_valide RSA - Padding 1% 169 35 Tosh 0
pas_valide RSA - Signature 1% 60 35 s4r 1
pas_valide AES128 - CTR 1% 458 40 Tosh 1
pas_valide Discrete logarithm problem 1% 621 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key 2 1% 141 40 blackndoor 0
pas_valide RSA - Corrupted key 3 1% 70 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 791 40 franb 3
pas_valide AES - Fault attack #1 1% 80 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 143 50 peyman 2
pas_valide ECDHE 1% 143 60 Tosh 2
pas_valide RSA - Lee cooper 1% 61 60 blackndoor, Synacktiv 0
pas_valide Service - CBC Padding 1% 785 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 290 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 104 60 Cryptanalyse 3
pas_valide AES - Weaker variant 1% 49 70 Cryptanalyse 1
pas_valide Hash - SHA-3 1% 79 75 Revenger 1
pas_valide AES - Fault attack #2 1% 58 80 Cryptanalyse 1
pas_valide AES-PMAC 1% 11 100 Cryptanalyse 0
pas_valide ECDSA - Implementation error 1% 19 100 Tosh 0