64-bit SDBM hash function with constant 65599

OALabs · Jan 20, 2024 · 072c84f · 072c84f
1 parent 7eb7a5e
commit 072c84f
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/algorithms/sdbm_65599_x64.py b/algorithms/sdbm_65599_x64.py
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+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