adding SingleCamper hash

algorithms/single_camper_hash.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+DESCRIPTION = "Custom API hash using ROR32, constant multiplier 0xBF2E2729, and seed 0xAE54C677"
+TYPE = 'unsigned_int'
+TEST_1 = 0x79547269
+
+
+def ror(val, bits):
+    return ((val >> bits) | (val << (32 - bits))) & 0xFFFFFFFF
+
+def hash(data):
+    h = 0xAE54C677
+    result = 0
+    for c in data:
+        temp = ((c + h) * 0xBF2E2729) & 0xFFFFFFFF
+        temp = (ror(temp, 17) + 0xBF2E2729 + h) & 0xFFFFFFFF
+        h = (ror(temp, 15) * c) & 0xFFFFFFFF
+        doubled = (2 * h) & 0xFFFFFFFF
+        result = ror(doubled, 16)
+        h = ror(doubled, 14)
+    return result