def assert_signature(key_type, public_key, data, signature, argument):
if signature == None:
raise ex.SignatureNullException()
alg = crypt_all.find_alg(key_type)
if not alg.verify_signature(public_key, data, signature):
raise ex.BadSignatureException(key_type, public_key, data, signature, argument)
def createPrivateKey(key_type, key_parameters, passphrase = None):
alg = crypt_all.find_alg(key_type)
(public_key, private_key) = alg.create_keypair(key_parameters)
return PrivateKey(key_type, public_key, private_key, passphrase)
def create_keypair(key_type, kwords):
alg = crypt_all.find_alg(key_type)
return alg.create_keypair(kwords)
def __init__(self, key_type, public_key):
self.key_type = key_type
self.public_key_hash = hash_public_key(key_type, public_key)
self.public_key = public_key
self.alg = crypt_all.find_alg(key_type)
def assert_public_key(key_type, public_key, argument):
alg = crypt_all.find_alg(key_type)
alg.assert_public_key(public_key, argument)
def verify_signature(key_type, public_key, data, signature):
alg = crypt_all.find_alg(key_type)
return alg.verify_signature(public_key, data, signature)
def decrypt(key_type, private_key, data, passphrase=None):
alg = crypt_all.find_alg(key_type)
return alg.decrypt(private_key, data, passphrase)
def encrypt(key_type, public_key, data):
alg = crypt_all.find_alg(key_type)
return alg.encrypt(public_key, data)
def assert_passphrase(key_type, private_key, passphrase):
alg = crypt_all.find_alg(key_type)
return alg.assert_passphrase(private_key, passphrase)