From 1ea401148c7279ae9c1e558f5c64911575c2e580 Mon Sep 17 00:00:00 2001
From: Still Hsu <dev@stillu.cc>
Date: Tue, 24 Jun 2025 11:59:21 +0800
Subject: [PATCH] Add TOnePipeShell hash 1313

Signed-off-by: Still Hsu <dev@stillu.cc>
---
 algorithms/tonepipeshell_1313.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 algorithms/tonepipeshell_1313.py

diff --git a/algorithms/tonepipeshell_1313.py b/algorithms/tonepipeshell_1313.py
new file mode 100644
index 0000000..1153755
--- /dev/null
+++ b/algorithms/tonepipeshell_1313.py
@@ -0,0 +1,12 @@
+# Created by Still Hsu <still@teamt5.org>
+
+DESCRIPTION = "TOnePipeShell hash with seed 0x521 (1313)"
+TYPE = 'unsigned_int'
+TEST_1 = 3354381195
+
+
+def hash(data):
+    out_hash = 0
+    for c in data:
+        out_hash = (c + 1313 * out_hash) & 0xffffffff
+    return out_hash