Diffie-Hellman and RSA are examples of which encryption-related solution?

Diffie-Hellman and RSA are both algorithms primarily associated with the establishment and management of cryptographic keys, which categorizes them as key exchange algorithms.

Diffie-Hellman is specifically designed for securely exchanging cryptographic keys over a public channel, allowing two parties to establish a shared secret without sending the secret itself over the network. It utilizes the mathematical properties of modular arithmetic and discrete logarithms to ensure that even if an attacker intercepts the exchange, they cannot easily derive the shared key.

RSA, while often recognized for its use in encrypting messages and creating digital signatures, also serves as a method of key exchange in various protocols. It allows parties to securely share a symmetric key, which can then be used for actual data encryption.

In contrast, the other options represent different cryptographic functions and mechanisms. Hash functions, for instance, are designed to produce a fixed-size output from variable-size inputs, primarily ensuring data integrity rather than facilitating key exchange. Symmetric encryption utilizes the same key for both encryption and decryption but assumes that the key has already been securely exchanged. Digital signatures rely on asymmetric cryptography for authentication and non-repudiation but do not focus on the key exchange process itself. Therefore, the nature and function of