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64-bit SDBM hash function with constant 65599 #55

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Jan 20, 2024
Merged

64-bit SDBM hash function with constant 65599 #55

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10 changes: 10 additions & 0 deletions algorithms/sdbm_65599_x64.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
DESCRIPTION = "The original SDBM hash function with the constant 65599. Used by Emotet malware."
TYPE = 'unsigned_long'
TEST_1 = 18326187587583583519


def hash(data):
hsh = 0
for d in data:
hsh = d + 0x1003f * hsh
return hsh & 0xffffffffffffffff
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