Christian is looking for a solution to securely create and store cryptographic keys for his organization's servers, as well as the ability to outsource TLS encryption processing. What kind of solution should he propose?

The most appropriate solution for Christian's requirements is a hardware security module (HSM). HSMs are capable of managing cryptographic keys, including the creation, storage, and secure handling of encryption keys and certificates. Additionally, they can serve as cryptographic accelerators to assist with offloading encryption functions such as Transport Layer Security (TLS) encryption. In contrast, a Trusted Platform Module (TPM) is used for storing keys for a system but does not offload cryptoprocessing, and it is employed for keys on a specific system rather than more general purposes. While CPUs and GPUs may have cryptographic acceleration capabilities, they do not securely store or manage certificates and other encryption-related artifacts.