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34 lines
769 B
34 lines
769 B
import importlib
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if importlib.util.find_spec('hashlib') != None:
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import hashlib
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else:
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hashlib = None
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if hasattr(hashlib, "sha512"):
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from hashlib import sha512 as ext_sha512
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else:
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from .SHA512 import sha512 as ext_sha512
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if hasattr(hashlib, "sha256"):
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from hashlib import sha256 as ext_sha256
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else:
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from .SHA256 import sha256 as ext_sha256
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"""
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The SHA primitives are abstracted here to allow platform-
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aware hardware acceleration in the future. Currently only
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uses Python's internal SHA-256 implementation. All SHA-256
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calls in RNS end up here.
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"""
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def sha256(data):
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digest = ext_sha256()
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digest.update(data)
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return digest.digest()
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def sha512(data):
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digest = ext_sha512()
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digest.update(data)
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return digest.digest()
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