def _hash(self, bytes, aggresive=False):
idx = 0
ret = []
output_size = self.output_size
ignore_range = self.ignore_range
bsize = self.bsize
total_size = len(bytes)
rappend = ret.append
chunk_size = idx * bsize
reduce_errors = self.reduce_errors
# Calculate the sum of every block
while 1:
chunk_size = idx * bsize
# print "pre"
buf = bytes[chunk_size : chunk_size + bsize]
# print "post"
char = modsum(buf)
if reduce_errors:
if char != 255 and char != 0:
rappend(chr(char))
else:
rappend(chr(char))
idx += 1
if chunk_size + bsize > total_size:
break
ret = "".join(ret)
size = len(ret) / output_size
buf = []
# Adjust the output to the desired output size
for c in xrange(0, output_size):
if aggresive:
buf.append(ret[c : c + size + 1][ignore_range : ignore_range + 1])
else:
buf.append(ret[c : c + size + 1][1:2])
i = 0
for x in ret[c : c + size + 1]:
i += 1
if i != ignore_range:
continue
i = 0
buf += x
break
ret = "".join(buf)
return base64.b64encode(ret).strip("=")[:output_size]
def _hash(self, bytes, aggresive=False):
idx = 0
ret = []
output_size = self.output_size
ignore_range = self.ignore_range
bsize = self.bsize
total_size = len(bytes)
rappend = ret.append
chunk_size = idx * bsize
reduce_errors = self.reduce_errors
# Calculate the sum of every block
while 1:
chunk_size = idx * bsize
#print "pre"
buf = bytes[chunk_size:chunk_size + bsize]
#print "post"
char = modsum(buf)
if reduce_errors:
if char != 255 and char != 0:
rappend(chr(char))
else:
rappend(chr(char))
idx += 1
if chunk_size + bsize > total_size:
break
ret = "".join(ret)
size = len(ret) / output_size
buf = []
# Adjust the output to the desired output size
for c in xrange(0, output_size):
if aggresive:
buf.append(ret[c:c + size + 1][ignore_range:ignore_range + 1])
else:
buf.append(ret[c:c + size + 1][1:2])
i = 0
for x in ret[c:c + size + 1]:
i += 1
if i != ignore_range:
continue
i = 0
buf += x
break
ret = "".join(buf)
return base64.b64encode(ret).strip("=")[:output_size]