ethereumjs-util
Version:
A collection of utility functions for Ethereum
70 lines (69 loc) • 2.38 kB
TypeScript
/// <reference types="node" />
import { rlp } from './externals';
/**
* Creates Keccak hash of a Buffer input
* @param a The input data (Buffer)
* @param bits (number = 256) The Keccak width
*/
export declare const keccak: (a: Buffer, bits?: number) => Buffer;
/**
* Creates Keccak-256 hash of the input, alias for keccak(a, 256).
* @param a The input data (Buffer)
*/
export declare const keccak256: (a: Buffer) => Buffer;
/**
* Creates Keccak hash of a utf-8 string input
* @param a The input data (String)
* @param bits (number = 256) The Keccak width
*/
export declare const keccakFromString: (a: string, bits?: number) => Buffer;
/**
* Creates Keccak hash of an 0x-prefixed string input
* @param a The input data (String)
* @param bits (number = 256) The Keccak width
*/
export declare const keccakFromHexString: (a: string, bits?: number) => Buffer;
/**
* Creates Keccak hash of a number array input
* @param a The input data (number[])
* @param bits (number = 256) The Keccak width
*/
export declare const keccakFromArray: (a: number[], bits?: number) => Buffer;
/**
* Creates SHA256 hash of a Buffer input.
* @param a The input data (Buffer)
*/
export declare const sha256: (a: Buffer) => Buffer;
/**
* Creates SHA256 hash of a string input.
* @param a The input data (string)
*/
export declare const sha256FromString: (a: string) => Buffer;
/**
* Creates SHA256 hash of a number[] input.
* @param a The input data (number[])
*/
export declare const sha256FromArray: (a: number[]) => Buffer;
/**
* Creates RIPEMD160 hash of a Buffer input.
* @param a The input data (Buffer)
* @param padded Whether it should be padded to 256 bits or not
*/
export declare const ripemd160: (a: Buffer, padded: boolean) => Buffer;
/**
* Creates RIPEMD160 hash of a string input.
* @param a The input data (String)
* @param padded Whether it should be padded to 256 bits or not
*/
export declare const ripemd160FromString: (a: string, padded: boolean) => Buffer;
/**
* Creates RIPEMD160 hash of a number[] input.
* @param a The input data (number[])
* @param padded Whether it should be padded to 256 bits or not
*/
export declare const ripemd160FromArray: (a: number[], padded: boolean) => Buffer;
/**
* Creates SHA-3 hash of the RLP encoded version of the input.
* @param a The input data
*/
export declare const rlphash: (a: rlp.Input) => Buffer;