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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.
# ===================================================================

"""MD5 cryptographic hash algorithm.

MD5 is specified in RFC1321_ and produces the 128 bit digest of a message.

    >>> from Crypto.Hash import MD5
    >>>
    >>> h = MD5.new()
    >>> h.update(b'Hello')
    >>> print h.hexdigest()

MD5 stand for Message Digest version 5, and it was invented by Rivest in 1991.

This algorithm is insecure. Do not use it for new designs.

.. _RFC1321: http://tools.ietf.org/html/rfc1321 
"""

_revision__ = "$Id$"

__all__ = ['new', 'digest_size', 'MD5Hash' ]

from Crypto.Util.py3compat import *
from Crypto.Hash.hashalgo import HashAlgo

try:
    # The md5 module is deprecated in Python 2.6, so use hashlib when possible.
    import hashlib
    hashFactory = hashlib.md5

except ImportError:
    import md5
    hashFactory = md5

class MD5Hash(HashAlgo):
    """Class that implements an MD5 hash
    
    :undocumented: block_size
    """

    #: ASN.1 Object identifier (OID)::
    #:
    #:  id-md5      OBJECT IDENTIFIER ::= {
    #:      iso(1) member-body(2) us(840) rsadsi(113549)
    #:       digestAlgorithm(2) 5
    #:  }
    #:
    #: This value uniquely identifies the MD5 algorithm.
    oid = b('\x06\x08\x2a\x86\x48\x86\xf7\x0d\x02\x05')

    digest_size = 16
    block_size = 64

    def __init__(self, data=None):
        HashAlgo.__init__(self, hashFactory, data)

    def new(self, data=None):
        return MD5Hash(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 `MD5Hash.update()`.
        Optional.

    :Return: A `MD5Hash` object
    """
    return MD5Hash().new(data)

#: The size of the resulting hash in bytes.
digest_size = MD5Hash.digest_size

#: The internal block size of the hash algorithm in bytes.
block_size = MD5Hash.block_size


Filemanager

Name Type Size Permission Actions
__pycache__ Folder 0755
HMAC.py File 7.14 KB 0644
MD2.py File 2.67 KB 0644
MD4.py File 2.65 KB 0644
MD5.py File 2.8 KB 0644
RIPEMD.py File 2.93 KB 0644
SHA.py File 2.77 KB 0644
SHA224.py File 2.78 KB 0644
SHA256.py File 2.79 KB 0644
SHA384.py File 2.79 KB 0644
SHA512.py File 2.78 KB 0644
_MD2.cpython-36m-x86_64-linux-gnu.so File 15.39 KB 0644
_MD4.cpython-36m-x86_64-linux-gnu.so File 15.45 KB 0644
_RIPEMD160.cpython-36m-x86_64-linux-gnu.so File 19.39 KB 0644
_SHA224.cpython-36m-x86_64-linux-gnu.so File 15.39 KB 0644
_SHA256.cpython-36m-x86_64-linux-gnu.so File 15.39 KB 0644
_SHA384.cpython-36m-x86_64-linux-gnu.so File 15.39 KB 0644
_SHA512.cpython-36m-x86_64-linux-gnu.so File 15.39 KB 0644
__init__.py File 2.38 KB 0644
hashalgo.py File 3.89 KB 0644