/usr/lib/python3/dist-packages/libnacl/blake.py is in python3-libnacl 1.5.0-1.
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Mimic very closely the python hashlib classes for blake2b
NOTE:
This class does not yet implement streaming the msg into the
hash function via the update method
'''
# Import python libs
import binascii
# Import libnacl libs
import libnacl
class Blake2b(object):
'''
Manage a Blake2b hash
'''
def __init__(self, msg, key=None):
self.msg = msg
self.key = key
self.raw_digest = libnacl.crypto_generichash(msg, key)
self.digest_size = len(self.raw_digest)
def digest(self):
'''
Return the digest of the string
'''
return self.raw_digest
def hexdigest(self):
'''
Return the hex digest of the string
'''
return binascii.hexlify(self.raw_digest)
def blake2b(msg, key=None):
'''
Create and return a Blake2b object to mimic the behavior of the python
hashlib functions
'''
return Blake2b(msg, key)
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