RSA - Corrupted key 2

40 Points  0x0

Even with less, you can do it!

Author

blackndoor,  

Level  Difficulty

Validations

157 Challengers 1%

Note  Notation

1
2
3
4
5
25 Votes

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  Solution

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Challenge Results Challenge Results

Pseudo Challenge Lang date
acmo0   RSA - ClĂ© privĂ©e corrompue 2 19 January 2021 at 11:14
John Russel   RSA - ClĂ© privĂ©e corrompue 2 11 January 2021 at 20:54
bandianconde   RSA - Corrupted key 2 2 January 2021 at 20:04
yokese   RSA - ClĂ© privĂ©e corrompue 2 28 December 2020 at 17:19
ghizmo   RSA - ClĂ© privĂ©e corrompue 2 23 December 2020 at 15:12
k8pl3r   RSA - Corrupted key 2 22 December 2020 at 14:13
Yorlus   RSA - Corrupted key 2 22 December 2020 at 13:52
Mirasio   RSA - ClĂ© privĂ©e corrompue 2 19 December 2020 at 19:34
Podalirius   RSA - ClĂ© privĂ©e corrompue 2 19 December 2020 at 19:33
mr27   RSA - ClĂ© privĂ©e corrompue 2 9 December 2020 at 11:12

 50 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Encoding - ASCII 26% 53149 5 Xartrick 10
pas_valide Encoding - UU 21% 41685 5 g0uZ 10
pas_valide Hash - Message Digest 5 21% 42047 5 g0uZ 6
pas_valide Hash - SHA-2 11% 21597 5 koma 4
pas_valide Shift cipher 7% 13184 10 m31z0nyx 8
pas_valide Pixel Madness 6% 10369 15 Ryscrow 10
pas_valide ELF64 - PID encryption 3% 5528 15 Lu33Y 10
pas_valide File - PKZIP 4% 7768 15 g0uZ 6
pas_valide Monoalphabetic substitution - Caesar 5% 9838 15 Arod 4
pas_valide Known plaintext - XOR 3% 5895 20 Ryscrow 5
pas_valide Code - Pseudo Random Number Generator 2% 2287 20 Tosh 5
pas_valide File - Insecure storage 1 3% 6158 20 g0uZ 5
pas_valide Polyalphabetic substitution - Vigenère 4% 6531 20 Arod 3
pas_valide System - Android lock pattern 3% 4293 20 Silentd 4
pas_valide Transposition - Rail Fence 2% 3973 20 YellowS4 3
pas_valide AES - CBC - Bit-Flipping Attack 1% 734 25 Tie21 2
pas_valide AES - ECB 1% 1657 25 cez40 4
pas_valide LFSR - Known plaintext 1% 499 25 Brissouille 1
pas_valide RSA - Factorisation 2% 2786 25 HacKSpider 5
pas_valide RSA - Decipher Oracle 1% 941 25 Zweisamkeit 3
pas_valide Service - Timing attack 1% 1837 25 g0uZ, koma 4
pas_valide Monoalphabetic substitution - Polybe 2% 2319 25 koma 6
pas_valide Twisted secret 1% 120 25 NonStandardModel 1
pas_valide Initialisation Vector 1% 1264 25 manticore, notfound404 5
pas_valide GEDEFU 1% 414 30 makhno 1
pas_valide RSA - Corrupted key 1 1% 233 30 blackndoor 2
pas_valide RSA - Continued fractions 1% 942 30 sambecks 1
pas_valide RSA - Common modulus 1% 1010 30 franb 2
pas_valide Service - Hash length extension attack 1% 629 30 koma 1
pas_valide AES - 4 Rounds 1% 167 35 Cryptanalyse 0
pas_valide ECDSA - Introduction 1% 139 35 Jrmbt 2
pas_valide RSA - Padding 1% 182 35 Tosh 0
pas_valide RSA - Signature 1% 71 35 s4r 1
pas_valide AES128 - CTR 1% 471 40 Tosh 1
pas_valide Discrete logarithm problem 1% 688 40 Thanat0s, RFC4949 3
pas_valide RSA - Corrupted key 2 1% 157 40 blackndoor 0
pas_valide RSA - Corrupted key 3 1% 78 40 blackndoor 0
pas_valide RSA - Multiple recipients 1% 844 40 franb 3
pas_valide AES - Fault attack #1 1% 90 50 Cryptanalyse 1
pas_valide Enigma Machine 1% 152 50 peyman 2
pas_valide ECDHE 1% 149 60 Tosh 2
pas_valide RSA - Lee cooper 1% 72 60 blackndoor, Synacktiv 0
pas_valide Service - CBC Padding 1% 820 60 koma 1
pas_valide Polyalphabetic substitution - One Time Pad 1% 299 60 Thanat0s 0
pas_valide White-Box Cryptography 1% 115 60 Cryptanalyse 3
pas_valide AES - Weaker variant 1% 58 70 Cryptanalyse 1
pas_valide Hash - SHA-3 1% 82 75 Revenger 1
pas_valide AES - Fault attack #2 1% 66 80 Cryptanalyse 1
pas_valide AES-PMAC 1% 11 100 Cryptanalyse 0
pas_valide ECDSA - Implementation error 1% 21 100 Tosh 0