PsaCipherEncrypt

Encrypt a short message with a symmetric cipher. Opcode: 20 (0x0014)

Parameters

Name	Type	Description
`key_name`	String	Name of the key to use for the operation
`alg`	`Cipher`	A cipher algorithm that is compatible with the type of key
`plaintext`	Vector of bytes	Short message to encrypt

Name	Type	Description
`ciphertext`	Vector of bytes	Buffer containing the random IV followed by the encrypted message

PsaErrorNotPermitted: The key does not have the encrypt flag, or it does not permit the requested algorithm.

This function will encrypt a short message with a random initialisation vector (IV).