def __init__(self, encoded_key):
tink_config.register()
aead.register()
if (encoded_key==None):
self.keyset_handle = tink.new_keyset_handle(aead.aead_key_templates.AES256_GCM)
else:
reader = tink.BinaryKeysetReader(base64.b64decode(encoded_key))
self.keyset_handle = cleartext_keyset_handle.read(reader)
self.key=self.keyset_handle.keyset_info()
self.aead_primitive = self.keyset_handle.primitive(aead.Aead)
def setUpModule():
tink_config.register()
return base64.b64encode(
self.public_key.encrypt(
raw,
OAEP(mgf=MGF1(algorithm=hashes.SHA256()),
algorithm=hashes.SHA256(),
label=None)))
def decrypt(self, raw):
return self.private_key.decrypt(
base64.b64decode(raw),
OAEP(mgf=MGF1(algorithm=hashes.SHA256()),
algorithm=hashes.SHA256(),
label=None)).decode('utf-8').strip()
tink_config.register()
aead.register()
mac.register()
class AESCipher(object):
def __init__(self, encoded_key):
if (encoded_key == None):
self.keyset_handle = tink.new_keyset_handle(
aead.aead_key_templates.AES256_GCM)
else:
reader = tink.BinaryKeysetReader(base64.b64decode(encoded_key))
self.keyset_handle = cleartext_keyset_handle.read(reader)
self.key = self.keyset_handle.keyset_info()
self.aead_primitive = self.keyset_handle.primitive(aead.Aead)
