70 lines
2.9 KiB
Python
70 lines
2.9 KiB
Python
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# -*- coding: utf-8 -*-
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#
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# ===================================================================
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# The contents of this file are dedicated to the public domain. To
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# the extent that dedication to the public domain is not available,
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# everyone is granted a worldwide, perpetual, royalty-free,
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# non-exclusive license to exercise all rights associated with the
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# contents of this file for any purpose whatsoever.
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# No rights are reserved.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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# ===================================================================
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__all__ = ['HMAC', 'MD2', 'MD4', 'MD5', 'RIPEMD160', 'SHA1',
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'SHA224', 'SHA256', 'SHA384', 'SHA512',
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'SHA3_224', 'SHA3_256', 'SHA3_384', 'SHA3_512',
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'CMAC', 'Poly1305',
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'cSHAKE128', 'cSHAKE256', 'KMAC128', 'KMAC256',
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'TupleHash128', 'TupleHash256', 'KangarooTwelve',
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'TurboSHAKE128', 'TurboSHAKE256']
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def new(name):
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"""Return a new hash instance, based on its name or
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on its ASN.1 Object ID"""
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name = name.upper()
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if name in ("1.3.14.3.2.26", "SHA1", "SHA-1"):
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from . import SHA1
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return SHA1.new()
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if name in ("2.16.840.1.101.3.4.2.4", "SHA224", "SHA-224"):
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from . import SHA224
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return SHA224.new()
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if name in ("2.16.840.1.101.3.4.2.1", "SHA256", "SHA-256"):
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from . import SHA256
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return SHA256.new()
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if name in ("2.16.840.1.101.3.4.2.2", "SHA384", "SHA-384"):
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from . import SHA384
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return SHA384.new()
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if name in ("2.16.840.1.101.3.4.2.3", "SHA512", "SHA-512"):
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from . import SHA512
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return SHA512.new()
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if name in ("2.16.840.1.101.3.4.2.5", "SHA512-224", "SHA-512-224"):
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from . import SHA512
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return SHA512.new(truncate='224')
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if name in ("2.16.840.1.101.3.4.2.6", "SHA512-256", "SHA-512-256"):
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from . import SHA512
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return SHA512.new(truncate='256')
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if name in ("2.16.840.1.101.3.4.2.7", "SHA3-224", "SHA-3-224"):
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from . import SHA3_224
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return SHA3_224.new()
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if name in ("2.16.840.1.101.3.4.2.8", "SHA3-256", "SHA-3-256"):
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from . import SHA3_256
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return SHA3_256.new()
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if name in ("2.16.840.1.101.3.4.2.9", "SHA3-384", "SHA-3-384"):
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from . import SHA3_384
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return SHA3_384.new()
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if name in ("2.16.840.1.101.3.4.2.10", "SHA3-512", "SHA-3-512"):
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from . import SHA3_512
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return SHA3_512.new()
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else:
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raise ValueError("Unknown hash %s" % str(name))
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