import { ByteString, Ripemd160, Sha1, Sha256 } from '../types/index.js';
/**
 * A RIPEMD160 hash of a SHA256 hash, which is always 160 bits or 20 bytes long.
 * This value is commonly used inside Bitcoin, particularly for Bitcoin
 * addresses.
 *
 * See:
 * https://en.wikipedia.org/wiki/RIPEMD
 * @category Hashing
 * @onchain
 * @param {ByteString} a ByteString Data, a.k.a. pre-image, which can be any size.
 * @returns {Ripemd160} The hash in the form of a string.
 */
export declare function hash160(a: ByteString): Ripemd160;
/**
 * A SHA256 hash, which is always 256 bits or 32 bytes long.
 *
 * See:
 * https://www.movable-type.co.uk/scripts/sha256.html
 * @category Hashing
 * @onchain
 * @param {ByteString} a ByteString Data, a.k.a. pre-image, which can be any size.
 * @returns {Sha256} The hash in the form of a string.
 */
export declare function sha256(a: ByteString): Sha256;
/**
 * A double SHA256 hash, which is always 256 bits or 32 bytes bytes long. This
 * hash function is commonly used inside Bitcoin, particularly for the hash of a
 * block and the hash of a transaction.
 *
 * See:
 * https://www.movable-type.co.uk/scripts/sha256.html
 * @category Hashing
 * @onchain
 * @param {ByteString} a ByteString data, a.k.a. pre-image, which can be any size.
 * @returns {Sha256} The hash in the form of a string.
 */
export declare function hash256(a: ByteString): Sha256;
/**
 * A SHA or SHA1 hash, which is always 160 bits or 20 bytes long.
 *
 * See:
 * https://en.wikipedia.org/wiki/SHA-1
 * @category Hashing
 * @onchain
 * @param {ByteString} a ByteString Data, a.k.a. pre-image, which can be any size.
 * @returns {Sha1} The hash in the form of a string.
 */
export declare function sha1(a: ByteString): Sha1;
/**
 * A RIPEMD160 hash, which is always 160 bits or 20 bytes long.
 * See:
 * https://en.wikipedia.org/wiki/RIPEMD
 * @category Hashing
 * @onchain
 * @param {ByteString} a ByteString Data, a.k.a. pre-image, which can be any size.
 * @returns {Ripemd160} The hash in the form of a ByteString.
 */
export declare function ripemd160(a: ByteString): Ripemd160;
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