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diff --git a/‎hashes/elf.py‎
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+def elf_hash(data: str) -> int:
+    """
+    Implementation of ElfHash Algorithm, a variant of PJW hash function.
+
+    Returns:
+        [int] -- [32 bit binary int]
+    >>> elf_hash('lorem ipsum')
+    253956621
+    """
+    hash = x = 0
+    for letter in data:
+        hash = (hash << 4) + ord(letter)
+        x = hash & 0xF0000000
+        if x != 0:
+            hash ^= x >> 24
+        hash &= ~x
+    return hash
+
+
+if __name__ == "__main__":
+    import doctest
+
+    doctest.testmod()