export declare const EK = 1184;
export declare const CIPHERTEXT = 1088;
export type Lock = {
    ek: Uint8Array;
    dk: Uint8Array;
};
export declare const lockFrom: (d: Uint8Array, z: Uint8Array) => Lock;
export declare const encapsulate: (ek: Uint8Array, m: Uint8Array) => {
    ciphertext: Uint8Array;
    shared: Uint8Array;
} | null;
export declare const decapsulate: (dk: Uint8Array, ciphertext: Uint8Array) => Uint8Array | null;