import crypto from 'crypto';
export type ServerIdentity = {
    privateKey: crypto.KeyObject;
    publicKey: string;
};
export declare function createServerIdentity(): ServerIdentity;
export declare function signServerIdentity(sdp: string, identity: ServerIdentity): Promise<string>;
export declare function verifyIdentity(sdp: string): Promise<NonSharedBuffer>;
export declare function publicKeysEqual(encodedKey: string, expectedKey: Buffer): boolean;