BlackVault CYNR by Engage Black is a code and document signing appliance designed to securely generate, store, and manage cryptographic keys for digital signatures. It incorporates a FIPS 140-2 Level 3 Hardware Security Module (HSM) to protect private keys and perform cryptographic operations. BlackVault CYNR aims to simplify and secure the process of code and document signing, offering an integrated solution for organizations requiring strong security for digital certificates, code signing, and document signing.