def hash(self):
"""
Coordinates hash.
*Note: To be replaced with the __hash__ method.*
"""
return hash_alg(self.json.encode('utf-8')).hexdigest()
def hash(self):
_raw_blk = str(self.index)
_raw_blk += str(self.timestamp)
_raw_blk += str(self.data)
_raw_blk += str(self.prev_hash)
_hash = hash_alg()
_hash.update(_raw_blk.encode('utf-8'))
return _hash.hexdigest()
def hmac(K, m):
if len(K) > block_size:
k = hash_alg(K).digest()
else:
k = K
k = k.ljust(block_size, b'\0')
o_key_pad = k.translate(opad) # xor(k, k.translate(opad))
i_key_pad = k.translate(ipad) # xor(k, k.translate(ipad))
inner = hash_alg(i_key_pad)
outer = hash_alg(o_key_pad)
inner.update(m)
outer.update(inner.digest())
return outer.digest()
def hash(self):
""" hash for this node, used in caching and to determine equality. """
# deepcopy so that the cached definition property is not modified by the deletes below
d = deepcopy(self.definition)
# omit version
if "podpac_version" in d:
del d["podpac_version"]
# omit style in every node
for k in d:
if "style" in d[k]:
del d[k]["style"]
s = json.dumps(d, separators=(",", ":"), cls=JSONEncoder)
return hash_alg(s.encode("utf-8")).hexdigest()
#!/usr/bin/env python3
# from hashlib import sha256 as hash_alg
from hashlib import sha1 as hash_alg
import codecs
import secrets
import base64
block_size = hash_alg().block_size
opad = bytes((x ^ 0x5c) for x in range(2**8))
ipad = bytes((x ^ 0x36) for x in range(2**8))
# RFC 2104 compliant
def hmac(K, m):
if len(K) > block_size:
k = hash_alg(K).digest()
else:
k = K
k = k.ljust(block_size, b'\0')
o_key_pad = k.translate(opad) # xor(k, k.translate(opad))
i_key_pad = k.translate(ipad) # xor(k, k.translate(ipad))
inner = hash_alg(i_key_pad)
outer = hash_alg(o_key_pad)
inner.update(m)
outer.update(inner.digest())
def get_hash_val(self, obj):
return hash_alg(obj).hexdigest()
def hash(self):
return hash_alg(self.json.encode('utf-8')).hexdigest()
