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Official Recruit KeyGen Me. by Rhythm Of Rain

2 of 2 files rhythm of rain
10 items
  • ror.txt
  • src/
  • src/code.c
  • src/make.bat
  • src/miracl.h
  • src/mirdef.h
  • src/resource.h
  • src/rsrc.res
  • keygen.exe
  • keygenme.exe
  • Zip / Windows   Computer tool
  • 195 kB   DOWNLOAD   SHARE
Preview screenshot of the production
[+] Configuration Select all
Serial composΘ de 3 parties:
m1: 8 octets
m2: 4 octets
m3: 4 octets

RSA-64
------
h1 = mod1_sha(name+"TEAM ROR 2004")
(Rq: l'initialisation du sha est modifiΘe, et est dΘpendante du matΘriel).
On doit avoir:
m1^e mod n = h1

e = 10001
n = FF5C4C4FBFA9EE03
p = FFAE8E6F
q = FFADA3AD
d = EE10742A803F7811

ECC-32
------
Initialisation de la courbe elliptique:
y^2 = x^3 + x + 0xd mod p
Deux points A et B de la courbe
B=k*A


p = FFAE8E6F
xA = 0BCBBEC6
yA = 48074670
xB = 0ADC597B
yB = 5EF435E2
order = FFADA3AD
k = FCC4D43B

On calcule:
R(ra,ya)=s2*A+s3*B
Puis:
Hash = mod2_sha(name+rx+ry)
On rΘcupΦre le 1er dword, et on doit avoir:
Hash[0] & 0x3FFFF = s3

Un peu de reverse:
On gΘnΦre R:
R=r*A
On calcule Hash = mod2_sha(name+rx+ry)
s3 = Hash[0] & 0x3FFF
Et on doit avoir:
R=s2*A+s3*B
soit:
r=s2+s3*k mod order
s2=r-s3*k mod order

On convertit le tout en base24 et on obtient un serial valide.