def CreateGenericKeyczar(loc, crypter=None):
if mock is not None:
return keyczar.GenericKeyczar(mock)
if loc is None:
raise errors.KeyczarError("Need location")
else:
reader = readers.FileReader(loc)
if crypter:
reader = readers.EncryptedReader(reader, crypter)
return keyczar.GenericKeyczar(reader)
def UseKey(purpose, loc, dest, crypter=None, msg="This is some test data"):
reader = readers.FileReader(loc)
answer = ""
if crypter:
reader = readers.EncryptedReader(reader, crypter)
if purpose == keyinfo.DECRYPT_AND_ENCRYPT:
answer = keyczar.Crypter(reader).Encrypt(msg)
elif purpose == keyinfo.SIGN_AND_VERIFY:
answer = keyczar.Signer(reader).Sign(msg)
util.WriteFile(answer, dest)
def Read(location):
"""
Return a Keyczar object created from FileReader at given location.
@param location: pathname of the directory storing the key files
@type location: string
@return: a Keyczar to manage the keys stored at the given location
@rtype: L{Keyczar}
"""
return Keyczar(readers.FileReader(location))
def Read(location):
"""
Return a Signer object created from FileReader at given location.
@param location: pathname of the directory storing the key files
@type location: string
@return: a Signer to manage the keys stored at the given location and
perform sign and verify functions.
@rtype: L{Signer}
"""
return Signer(readers.FileReader(location))
def Read(location):
"""
Return a Crypter object created from FileReader at given location.
@param location: pathname of the directory storing the key files
@type location: string
@return: a Crypter to manage the keys stored at the given location and
perform encryption and decryption functions.
@rtype: L{Crypter}
"""
return Crypter(readers.FileReader(location))
def Read(location):
"""Return a GenericKeyczar created from FileReader at given location."""
return GenericKeyczar(readers.FileReader(location))