def decrypt(dk: DecryptionKey,
ciphertext: Ciphertext,
dtype: tf.DType = tf.int32):
c = ciphertext.raw
gxd = tf_big.pow(c, dk.d1, dk.nn)
xd = (gxd - 1) // dk.n
x = (xd * dk.d2) % dk.n
if dtype == tf.variant:
return x
return tf_big.convert_from_tensor(x, dtype=dtype)
def export(self, dtype: tf.DType = tf.string):
return tf_big.convert_from_tensor(self.raw, dtype=dtype)
def export(self, dtype: tf.DType = tf.string):
return (
tf_big.convert_from_tensor(self.p, dtype=dtype),
tf_big.convert_from_tensor(self.q, dtype=dtype),
)