static AeadCipher makeChaCha20Poly1305DecryptionCipher(SecretSharedKey secretSharedKey) {
        return makeChaCha20Poly1305Cipher(secretSharedKey, false);
    }
Creates a ChaCha20-Poly1305 cipher that can be used to decrypt ciphertext that was previously
encrypted with the given secret key.
security-utils/src/main/java/com/yahoo/security/SharedKeyGenerator.java