4.17.8 SASL authentication

usage

(import :std/net/sasl)

(scram-context? ...)

(scram-sha-1-begin ...)

(scram-sha-256-begin ...)

(scram-client-first-message ...)

(scram-client-first-server-message! ...)

(scram-client-final-message ...)

(scram-client-final-server-message! ...)