Index: third_party/google-endpoints/Crypto/Hash/MD2.py |
diff --git a/third_party/google-endpoints/Crypto/Hash/MD2.py b/third_party/google-endpoints/Crypto/Hash/MD2.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. |
+# =================================================================== |
+ |
+"""MD2 cryptographic hash algorithm. |
+ |
+MD2 is specified in RFC1319_ and it produces the 128 bit digest of a message. |
+ |
+ >>> from Crypto.Hash import MD2 |
+ >>> |
+ >>> h = MD2.new() |
+ >>> h.update(b'Hello') |
+ >>> print h.hexdigest() |
+ |
+MD2 stand for Message Digest version 2, and it was invented by Rivest in 1989. |
+ |
+This algorithm is both slow and insecure. Do not use it for new designs. |
+ |
+.. _RFC1319: http://tools.ietf.org/html/rfc1319 |
+""" |
+ |
+_revision__ = "$Id$" |
+ |
+__all__ = ['new', 'digest_size', 'MD2Hash' ] |
+ |
+from Crypto.Util.py3compat import * |
+from Crypto.Hash.hashalgo import HashAlgo |
+ |
+import Crypto.Hash._MD2 as _MD2 |
+hashFactory = _MD2 |
+ |
+class MD2Hash(HashAlgo): |
+ """Class that implements an MD2 hash |
+ |
+ :undocumented: block_size |
+ """ |
+ |
+ #: ASN.1 Object identifier (OID):: |
+ #: |
+ #: id-md2 OBJECT IDENTIFIER ::= { |
+ #: iso(1) member-body(2) us(840) rsadsi(113549) |
+ #: digestAlgorithm(2) 2 |
+ #: } |
+ #: |
+ #: This value uniquely identifies the MD2 algorithm. |
+ oid = b('\x06\x08\x2a\x86\x48\x86\xf7\x0d\x02\x02') |
+ |
+ digest_size = 16 |
+ block_size = 16 |
+ |
+ def __init__(self, data=None): |
+ HashAlgo.__init__(self, hashFactory, data) |
+ |
+ def new(self, data=None): |
+ return MD2Hash(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 `MD2Hash.update()`. |
+ Optional. |
+ |
+ :Return: An `MD2Hash` object |
+ """ |
+ return MD2Hash().new(data) |
+ |
+#: The size of the resulting hash in bytes. |
+digest_size = MD2Hash.digest_size |
+ |
+#: The internal block size of the hash algorithm in bytes. |
+block_size = MD2Hash.block_size |
+ |