evtjs/lib/ecc/hash.js

Javascript API Bindings for the everiToken blockchain.

"use strict";

var createHash = require("create-hash");
var createHmac = require("create-hmac");

/** @namespace hash */

/** @arg {string|Buffer} data
    @arg {string} [resultEncoding = null] - 'hex', 'binary' or 'base64'
    @return {string|Buffer} - Buffer when resultEncoding is null, or string
*/
function sha1(data, resultEncoding) {
    return createHash("sha1").update(data).digest(resultEncoding);
}

/** @arg {string|Buffer} data
    @arg {string} [resultEncoding = null] - 'hex', 'binary' or 'base64'
    @return {string|Buffer} - Buffer when resultEncoding is null, or string
*/
function sha256(data, resultEncoding) {
    var ret = createHash("sha256").update(data).digest(resultEncoding);

    return ret;
}

/** @arg {string|Buffer} data
    @arg {string} [resultEncoding = null] - 'hex', 'binary' or 'base64'
    @return {string|Buffer} - Buffer when resultEncoding is null, or string
*/
function sha512(data, resultEncoding) {
    return createHash("sha512").update(data).digest(resultEncoding);
}

function HmacSHA256(buffer, secret) {
    return createHmac("sha256", secret).update(buffer).digest();
}

function ripemd160(data) {
    return createHash("rmd160").update(data).digest();
}

module.exports = {
    sha1: sha1,
    sha256: sha256,
    sha512: sha512,
    HmacSHA256: HmacSHA256,
    ripemd160: ripemd160
};