You can add a virtual cryptoprocessor that uses Trusted Platform Module (TPM) technology to an encrypted virtual machine. Afterward, you can remove the cryptoprocessor from the virtual machine.

TPM technology provides hardware-based, security-related functions. A TPM cryptoprocessor carries out cryptographic operations. Workstation Pro supports TPM version 2.0.

You can add TPM device on an encrypted virtual machine with a minimum hardware version of 14 that uses the UEFI firmware type.