The buffer to the encapsulation key. Must have size 1184.
ciphertext: Uint8Array
The buffer for the ciphertext. Must have size 1088.
encrypted_message: Uint8Array
The buffer for the encrypted message. Must have size
message length + 16.
Returns void
Brief
Encrypt a message using an encapsulation key.
Encrypt a message by encapsulating the encapsulation key and encrypting the message with the
resulting shared secret. This function can be called multiple times.
The buffer to the message to encrypt.