OpenSSL Adds Support for Raw Public Key (RFC7250)

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Raw Public Keys have emerged as a component for securing communications between clients and servers. Raw Public Keys, as defined in RFC 7250, play a role in ensuring the confidentiality, integrity, and authenticity of data exchanged over the web. As a result OpenSSL will be adding support for Raw Public Keys in the upcoming OpenSSL 3.2.

Raw Public Keys are a cryptographic mechanism used in public key infrastructure (PKI) systems. They are a way of representing a public key without the associated digital certificate, which contains additional information like the owner’s identity, expiration date, and digital signatures from a certificate authority. This makes Raw Public Keys more lightweight and efficient, especially in resource-constrained environments.