AESGCM returns an AES-GCM value transformer instance.

AESPMACSIV returns an AES-PMAC-SIV value transformer instance.

AESSIV returns an AES-SIV/AES-CMAC-SIV value transformer instance.

Chacha20Poly1305 returns an ChaCha20Poly1305 value transformer instance.

XChacha20Poly1305 returns an XChaCha20Poly1305 value transformer instance.