/// <reference types="node" />
/**
 * A challenge message that has been signed
 */
export interface SignedMessage {
    /**
     * The challenge nonce message in either the encrypted or unencrypted form depending
     * on stage and recipient party.
     */
    message: Buffer;
    /**
     * A signature of SignedMessage.message in the unecrypted form
     */
    signature: Buffer;
}
/**
 * When an incoming request comes in, the client's challenge is parsed into this initial form\
 * to be processed
 */
export interface ClientChallenge {
    /**
     * A key that can uniquely identify the user
     */
    userId: string;
    /**
     * A signed challenge sent by the client to open a authentication request
     */
    clientRequested: SignedMessage;
    /**
     * The DateTime the request occurred
     */
    requestDateTime: Date;
}
/**
 * When an incoming request comes in, the client's response is parsed into this initial form
 * to be processed
 */
export interface ClientResponse {
    /**
     * A key that can uniquely identify the user
     */
    userId: string;
    /**
     * A signed message sent by the client with the decrypted challenge nonce issued by tbe server
     */
    clientResponsed: SignedMessage;
}
/**
 * If a user is found in the client challenge stage, the callback in passport.authenticate will
 * have this as the third parameter. The raw bytes can then be converted to the transfer encoding.
 */
export interface ServerChallenge {
    clientRequested: SignedMessage;
    serverRequested: SignedMessage;
}
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