42 lines
921 B
Python
42 lines
921 B
Python
import hashlib
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import hmac
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from binascii import unhexlify
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def sha256(h, hex = False):
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if type(h) == str:
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h = unhexlify(h)
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if hex:
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return hashlib.sha256(h).hexdigest()
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return hashlib.sha256(h).digest()
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def double_sha256(h, hex = False):
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if type(h) == str:
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h = unhexlify(h)
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if hex:
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return sha256(sha256(h), 1)
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return sha256(sha256(h))
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def hmac_sha512(key, data, hex = False):
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if hex:
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return hmac.new(key, data, hashlib.sha512).hexdigest()
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return hmac.new(key, data, hashlib.sha512).digest()
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def ripemd160(h, hex = False):
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if type(h) == str:
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h = unhexlify(h)
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a = hashlib.new('ripemd160')
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a.update(h)
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if hex:
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return a.hexdigest()
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return a.digest()
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def hash160(h, hex = False):
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if type(h) == str:
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h = unhexlify(h)
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if hex:
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return ripemd160(sha256(h), 1)
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return ripemd160(sha256(h))
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# |