Memory system security and authentication using asymmetric keys

Abstract

Methods, systems, and devices for memory system security and authentication using asymmetric keys are described. In some examples, host systems and memory systems may be configured to implement techniques for the generation and distribution of asymmetric keys, which may support evaluating the authenticity of interfacing systems (e.g., system identities) in connection with exchanged signaling, such as access commands, requests, data, or other signaling. Such techniques may include implementing asymmetric cryptographic security directly in a memory system. For example, a memory system may be configured to be cryptographically identified by a public asymmetric key, and authenticity of the memory system may be proven by signing a challenge using an asymmetric private key of the memory system. Further, a host system may be identified by signing signaling with its asymmetric private key, and the signature may be verified by a memory system using an asymmetric public key of the host system.