6.70DigestCredentials Digest Authentication

Digest authentication is an enhanced-security method in the HTTP protocol for verifying user identity; compared to basic HTTP Basic authentication, it is more secure. During Digest authentication, the user's password is not transmitted in plaintext over the network, but is instead encrypted before being sent, thereby improving security. The framework provides the DigestCredentials type to facilitate generating digest authorization credentials:

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// Send a request to the specified server and generate the authorization credential string required for digest authenticationvar digestCredentials = DigestCredentials.GetDigestCredentials("https://furion.net/digest", "admin", "a123456789", HttpMethod.Get);// Set the generated authorization credential string as the value of the Authorization request headerhttpRequestMessage.Headers.Authorization = new AuthenticationHeaderValue("Digest", digestCredentials);// Send the request again

In this way, the DigestCredentials type makes it convenient to implement Digest authentication and ensure secure verification of user identity.