# -*- 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. # =================================================================== """SHA-1 cryptographic hash algorithm. SHA-1_ produces the 160 bit digest of a message. >>> from Crypto.Hash import SHA >>> >>> h = SHA.new() >>> h.update(b'Hello') >>> print h.hexdigest() *SHA* stands for Secure Hash Algorithm. This algorithm is not considered secure. Do not use it for new designs. .. _SHA-1: http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf """ _revision__ = "$Id$" __all__ = ['new', 'digest_size', 'SHA1Hash' ] from Crypto.Util.py3compat import * from Crypto.Hash.hashalgo import HashAlgo try: # The sha module is deprecated in Python 2.6, so use hashlib when possible. import hashlib hashFactory = hashlib.sha1 except ImportError: import sha hashFactory = sha class SHA1Hash(HashAlgo): """Class that implements a SHA-1 hash :undocumented: block_size """ #: ASN.1 Object identifier (OID):: #: #: id-sha1 OBJECT IDENTIFIER ::= { #: iso(1) identified-organization(3) oiw(14) secsig(3) #: algorithms(2) 26 #: } #: #: This value uniquely identifies the SHA-1 algorithm. oid = b('\x06\x05\x2b\x0e\x03\x02\x1a') digest_size = 20 block_size = 64 def __init__(self, data=None): HashAlgo.__init__(self, hashFactory, data) def new(self, data=None): return SHA1Hash(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 `SHA1Hash.update()`. Optional. :Return: A `SHA1Hash` object """ return SHA1Hash().new(data) #: The size of the resulting hash in bytes. digest_size = SHA1Hash.digest_size #: The internal block size of the hash algorithm in bytes. block_size = SHA1Hash.block_size
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__pycache__ | Folder | 0755 |
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HMAC.py | File | 7.14 KB | 0644 |
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MD2.py | File | 2.67 KB | 0644 |
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MD4.py | File | 2.65 KB | 0644 |
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MD5.py | File | 2.8 KB | 0644 |
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RIPEMD.py | File | 2.93 KB | 0644 |
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SHA.py | File | 2.77 KB | 0644 |
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SHA224.py | File | 2.78 KB | 0644 |
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SHA256.py | File | 2.79 KB | 0644 |
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SHA384.py | File | 2.79 KB | 0644 |
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SHA512.py | File | 2.78 KB | 0644 |
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_MD2.cpython-36m-x86_64-linux-gnu.so | File | 15.39 KB | 0644 |
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_MD4.cpython-36m-x86_64-linux-gnu.so | File | 15.45 KB | 0644 |
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_RIPEMD160.cpython-36m-x86_64-linux-gnu.so | File | 19.39 KB | 0644 |
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_SHA224.cpython-36m-x86_64-linux-gnu.so | File | 15.39 KB | 0644 |
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_SHA256.cpython-36m-x86_64-linux-gnu.so | File | 15.39 KB | 0644 |
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_SHA384.cpython-36m-x86_64-linux-gnu.so | File | 15.39 KB | 0644 |
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_SHA512.cpython-36m-x86_64-linux-gnu.so | File | 15.39 KB | 0644 |
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__init__.py | File | 2.38 KB | 0644 |
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hashalgo.py | File | 3.89 KB | 0644 |
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