diff --git a/hashalg.py b/hashalg.py
new file mode 100644
index 0000000..11fb603
--- /dev/null
+++ b/hashalg.py
@@ -0,0 +1,11 @@
+import hashlib
+#hash函数
+def hash_sha256(datas): #sha256 哈希函数
+    x=hashlib.sha256()
+    x.update(datas)
+    s=x.hexdigest()
+    return s
+
+if __name__ == '__main__':
+    e=hash_sha256('你好'.encode('utf-8'))
+    print(e)
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