def finalstep(input, magic_key_char, table):
def finalxor(hash, mask):
result = array('B')
for c in hash:
result.append(ord(c) ^ mask)
for c in range(64 - len(hash)):
result.append(mask)
return result.tostring()
hash = md5.new(input).digest().encode('base64').translate(
base64translate, '\r\n')
if (
table >= 3
): # We have to use the slow sha1 implementation to get to it's internals
sha1 = pysha.new(finalxor(hash, 0x36) + magic_key_char)
sha1.count[1] = sha1.count[1] - 1
else:
sha1 = sha.new(finalxor(hash, 0x36) + magic_key_char)
digest1 = sha1.digest()
digest2 = sha.new(finalxor(hash, 0x5c) + digest1).digest()
result = ''
for i in range(10):
# First two bytes of digest stuffed together.
val = (ord(digest2[i * 2]) << 8) + ord(digest2[i * 2 + 1])
result += alphabet1[(val >> 0x0b) & 0x1f] + '='
result += alphabet2[(val >> 0x06) & 0x1f]
result += alphabet2[(val >> 0x01) & 0x1f]
result += delimit_lookup[val & 0x01]
return result
def finalstep(input, magic_key_char, table):
def finalxor(hash, mask):
result = array("B")
for c in hash:
result.append(ord(c) ^ mask)
for c in range(64 - len(hash)):
result.append(mask)
return result.tostring()
hash = md5.new(input).digest().encode("base64").translate(base64translate, "\r\n")
if table >= 3: # We have to use the slow sha1 implementation to get to it's internals
sha1 = pysha.new(finalxor(hash, 0x36) + magic_key_char)
sha1.count[1] = sha1.count[1] - 1
else:
sha1 = sha.new(finalxor(hash, 0x36) + magic_key_char)
digest1 = sha1.digest()
digest2 = sha.new(finalxor(hash, 0x5C) + digest1).digest()
result = ""
for i in range(10):
# First two bytes of digest stuffed together.
val = (ord(digest2[i * 2]) << 8) + ord(digest2[i * 2 + 1])
result += alphabet1[(val >> 0x0B) & 0x1F] + "="
result += alphabet2[(val >> 0x06) & 0x1F]
result += alphabet2[(val >> 0x01) & 0x1F]
result += delimit_lookup[val & 0x01]
return result
def new(data=None):
"""Create a new pure python SHA hash object
data = initial input (raw string) to the hashing object
if present, the method call update(arg) is made
EXAMPLE: FIPS 180-2
=========
>>> from CryptoPlus.Hash import python_SHA
>>> message = "abc"
>>> hasher = python_SHA.new()
>>> hasher.update(message)
>>> hasher.hexdigest()
'a9993e364706816aba3e25717850c26c9cd0d89d'
>>> message = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
>>> hasher = python_SHA.new()
>>> hasher.update(message)
>>> hasher.hexdigest()
'84983e441c3bd26ebaae4aa1f95129e5e54670f1'
"""
return pysha.new(data)
def new(data=None):
"""Create a new pure python SHA hash object
data = initial input (raw string) to the hashing object
if present, the method call update(arg) is made
EXAMPLE: FIPS 180-2
=========
>>> from CryptoPlus.Hash import python_SHA
>>> message = "abc"
>>> hasher = python_SHA.new()
>>> hasher.update(message)
>>> hasher.hexdigest()
'a9993e364706816aba3e25717850c26c9cd0d89d'
>>> message = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
>>> hasher = python_SHA.new()
>>> hasher.update(message)
>>> hasher.hexdigest()
'84983e441c3bd26ebaae4aa1f95129e5e54670f1'
"""
return pysha.new(data)
