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diff --git a/frozen_deps/Crypto/Hash/RIPEMD.py b/frozen_deps/Crypto/Hash/RIPEMD.py
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+# -*- coding: utf-8 -*-
+#
+# ===================================================================
+# The contents of this file are dedicated to the public domain.  To
+# the extent that dedication to the public domain is not available,
+# everyone is granted a worldwide, perpetual, royalty-free,
+# non-exclusive license to exercise all rights associated with the
+# contents of this file for any purpose whatsoever.
+# No rights are reserved.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+# ===================================================================
+
+"""RIPEMD-160 cryptographic hash algorithm.
+
+RIPEMD-160_ produces the 160 bit digest of a message.
+
+    >>> from Crypto.Hash import RIPEMD
+    >>>
+    >>> h = RIPEMD.new()
+    >>> h.update(b'Hello')
+    >>> print h.hexdigest()
+
+RIPEMD-160 stands for RACE Integrity Primitives Evaluation Message Digest
+with a 160 bit digest. It was invented by Dobbertin, Bosselaers, and Preneel.
+
+This algorithm is considered secure, although it has not been scrutinized as
+extensively as SHA-1. Moreover, it provides an informal security level of just
+80bits.
+
+.. _RIPEMD-160: http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
+"""
+
+_revision__ = "$Id$"
+
+__all__ = ['new', 'digest_size', 'RIPEMD160Hash' ]
+
+from Crypto.Util.py3compat import *
+from Crypto.Hash.hashalgo import HashAlgo
+
+import Crypto.Hash._RIPEMD160 as _RIPEMD160
+hashFactory = _RIPEMD160
+
+class RIPEMD160Hash(HashAlgo):
+    """Class that implements a RIPMD-160 hash
+    
+    :undocumented: block_size
+    """
+
+    #: ASN.1 Object identifier (OID)::
+    #:
+    #:  id-ripemd160 OBJECT IDENTIFIER ::= {
+    #:      iso(1) identified-organization(3) teletrust(36)
+    #:       algorithm(3) hashAlgorithm(2) ripemd160(1)
+    #:  }
+    #:
+    #: This value uniquely identifies the RIPMD-160 algorithm.
+    oid = b("\x06\x05\x2b\x24\x03\x02\x01")
+
+    digest_size = 20
+    block_size = 64
+
+    def __init__(self, data=None):
+        HashAlgo.__init__(self, hashFactory, data)
+
+    def new(self, data=None):
+        return RIPEMD160Hash(data)
+
+def new(data=None):
+    """Return a fresh instance of the hash object.
+
+    :Parameters:
+       data : byte string
+        The very first chunk of the message to hash.
+        It is equivalent to an early call to `RIPEMD160Hash.update()`.
+        Optional.
+
+    :Return: A `RIPEMD160Hash` object
+    """
+    return RIPEMD160Hash().new(data)
+
+#: The size of the resulting hash in bytes.
+digest_size = RIPEMD160Hash.digest_size
+
+#: The internal block size of the hash algorithm in bytes.
+block_size = RIPEMD160Hash.block_size
+