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vhqtvn/codegate 2015 - good crypto - find seed.py Secret

Last active August 29, 2015 14:17
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codegate 2015 - good crypto - find seed.py
#!/usr/bin/python
for test in xrange(1<<24):
correct = True
x = test
for i in xrange(5):
x = (x * 0x000343fd + 0x269ec3) & 0xFFFFFF
if (x>>16)!=key[i]:
correct = False
break
if correct:
print("Found it: ",hex(test))
print("Verify: ")
for i in xrange(5):
test = (test * 0x000343fd + 0x269ec3) & 0xFFFFFF
print(hex(test>>16),hex(test))
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