export declare function rl32(x: number, n: number): number;
export declare function xorWords(src: Uint32Array, srcOff: number, dst: Uint32Array, dstOff: number, words: number): void;
export declare function setUint32(offset: number, v: number, dst: Uint8Array): void;
export declare function blockSize(m: number): number;
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