def hash160(data, hash=hashlib.sha256):
"""A standard compound hash."""
try:
if hash.ripe_hash:
return ripemd160(hash.ripe_hash(data).digest()).digest()
else:
return ripemd160(hash(data).digest()).digest()
except AttributeError:
return ripemd160(hash(data).digest()).digest()
def hash160(data, hash=hashlib.sha256):
"""A standard compound hash."""
try:
if hash.ripe_hash:
return ripemd160(hash.ripe_hash(data).digest()).digest()
else:
return ripemd160(hash(data).digest()).digest()
except AttributeError:
return ripemd160(hash(data).digest()).digest()
def hash160(data):
"""A standard compound hash."""
return ripemd160(hashlib.sha256(data).digest()).digest()
BASE58_ALPHABET = b'123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
BASE58_BASE = len(BASE58_ALPHABET)
BASE58_LOOKUP = dict((c, i) for i, c in enumerate(BASE58_ALPHABET))
class EncodingError(Exception):
pass
def ripemd160(data):
return hashlib.new("ripemd160", data)
try:
ripemd160(b'').digest()
except Exception:
# stupid Google App Engine hashlib doesn't support ripemd160 for some stupid reason
# import it from pycrypto. You need to add
# - name: pycrypto
# version: "latest"
# to the "libraries" section of your app.yaml
from Crypto.Hash.RIPEMD import RIPEMD160Hash as ripemd160
def to_long(base, lookup_f, s):
"""
Convert an array to a (possibly bignum) integer, along with a prefix value
of how many prefixed zeros there are.
base:
def hash160(data):
"""A standard compound hash."""
return ripemd160(hashlib.sha256(data).digest()).digest()
BASE58_ALPHABET = b'123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
BASE58_BASE = len(BASE58_ALPHABET)
BASE58_LOOKUP = dict((c, i) for i, c in enumerate(BASE58_ALPHABET))
class EncodingError(Exception):
pass
def ripemd160(data):
return hashlib.new("ripemd160", data)
try:
ripemd160(b'').digest()
except Exception:
# stupid Google App Engine hashlib doesn't support ripemd160 for some stupid reason
# import it from pycrypto. You need to add
# - name: pycrypto
# version: "latest"
# to the "libraries" section of your app.yaml
from Crypto.Hash.RIPEMD import RIPEMD160Hash as ripemd160
def to_long(base, lookup_f, s):
"""
Convert an array to a (possibly bignum) integer, along with a prefix value
of how many prefixed zeros there are.
base:
def hash160():
return ripemd160(hashlib.sha256(data).digest()).digest()
def ripe160(data):
"""A standard single RIPE MD 160 hash."""
return ripemd160(data).digest()
