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https://github.com/OALabs/hashdb
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Still Hsu
35 lines
783 B
Python
35 lines
783 B
Python
# Created by Still Hsu <still@teamt5.org>
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DESCRIPTION = "Hashing algorithm used by newer variants of DeedRAT."
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TYPE = 'unsigned_int'
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TEST_1 = 1761596967
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def hash(data):
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i = 0
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ecx = 0
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eax = 0
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edi = 0
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esi = 0
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for c in data:
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i = i+1
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if c < 0x61:
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edi = c+0x20
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else:
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edi = c
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ecx = esi
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eax = esi
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if i & 1 != 0:
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ecx = (ecx << 0x5) & 0xffffffff
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eax = (eax >> 0x1) & 0xffffffff
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ecx = ecx ^ eax
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ecx = ecx ^ edi
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else:
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ecx = (ecx << 0x9) & 0xffffffff
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eax = (eax >> 0x3) & 0xffffffff
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ecx = ecx ^ eax
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ecx = ecx ^ edi
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ecx = ~(ecx) & 0xffffffff
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esi = esi ^ ecx
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return esi
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