Merge pull request #56 from Still34/patches/tonepipeshell

Add alternative hashing seed for TOnePipeShell
OALabs · Jan 22, 2024 · 231542f · 231542f
2 parents 108a534 + e285042
commit 231542f
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diff --git a/algorithms/tonepipeshell.py b/algorithms/tonepipeshell.py
@@ -1,6 +1,6 @@
 # Created by Still Hsu <still@teamt5.org>
 
-DESCRIPTION = "TOnePipeShell hash with seed 0xC85E31"
+DESCRIPTION = "TOnePipeShell hash with seed 0xC85E31 (13131313)"
 TYPE = 'unsigned_int'
 TEST_1 = 3454880715
 

diff --git a/algorithms/tonepipeshell_alt.py b/algorithms/tonepipeshell_alt.py
@@ -0,0 +1,11 @@
+# Created by Still Hsu <still@teamt5.org>
+
+DESCRIPTION = "TOnePipeShell hash with seed 0x4E44CB31 (1313131313)"
+TYPE = 'unsigned_int'
+TEST_1 = 3702427595
+
+def hash(data):
+    out_hash = 0
+    for c in data:
+        out_hash = (c + 0x4E44CB31 * out_hash) & 0xffffffff
+    return out_hash