/** F6 — Crypto monomers: MC_48–MC_55 (Web Crypto API) */
export declare const hashSha256: (data: string | Uint8Array) => Promise<Uint8Array>;
export declare const hashHex: (data: string | Uint8Array) => Promise<string>;
export declare const xorBytes: (a: Uint8Array, b: Uint8Array) => Uint8Array;
export declare const rotateLeft: (v: number, n: number) => number;
export declare const rotateRight: (v: number, n: number) => number;
export declare const constantEq: (a: Uint8Array, b: Uint8Array) => boolean;
export declare const zeroBytes: (n: number) => Uint8Array;
export declare const bytesToHex: (data: Uint8Array) => string;
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