/** Block size */
export declare const BLOCKSIZE = 64;
/** Constant `PI` aka S-Box for substitution */
export declare const PI: Uint8Array;
/** Constant `TAU` for permutation */
export declare const TAU: Uint8Array;
/** Constant `A` for vector multiplication */
export declare const A: Uint32Array<ArrayBuffer>;
/** Constant `C` for round key calculation */
export declare const C: Uint8Array[];