fullstack.web/swa/ic/mac.js

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JavaScript
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/**
* int byte
* @param i
*/
function intToByte(i) {
var b = i & 0xFF;
var c = 0;
if (b >= 128) {
c = b % 128;
c = -1 * (128 - c);
} else {
c = b;
}
return c;
}
function stringToHex(str){
var val = "";
for (var i = 0; i < str.length; i++) {
var v = str.charCodeAt(i).toString(16);
if ( v.length < 2 ) {
v = "0" + v;
}
val += v;
}
return val
}
function toHex(d) { return ("0"+(Number(d).toString(16))).slice(-2).toUpperCase() }
function mac( hex ) {
if ( ! /^([A-Fa-f0-9][A-Fa-f0-9])+$/.test( hex ) ) {
throw "hex 格式错误"
}
var checkNum = intToByte(0);
var arrBytes = new Array();
for ( var i = 0 ; i < hex.length; i+=2 ) {
var v = intToByte(parseInt(hex[i] + hex[i+1], 16))
arrBytes.push( v )
checkNum = checkNum ^ v;
}
return toHex( checkNum & 0xFF )
}
console.log( mac("FFFF010203EEEECCCC7777223311") )
function xor(d1, d2, d3) {
if ( 32 !== d1.length || 32 !== d2.length || 32 !== d3.length ) {
throw "输入格式错误"
}
var a1 = hexToBytes(d1);
var a2 = hexToBytes(d2);
var a3 = hexToBytes(d3);
var data = [];
for ( var i = 0; i < 16 ; i++){
data[ i ] = a1[ i ] ^ a2[ i ] ^ a3[ i ]
}
return bytesToHex( data )
}
var r = xor("11111111111111111111111111111111", "22222222222222222222222222222222", "33333333333333333333333333333333")
console.log( r )
// Des3
// npm i crypto-js
function hexToBytes(hex) {
for (var bytes = [], c = 0; c < hex.length; c += 2)
bytes.push(parseInt(hex.substr(c, 2), 16));
return bytes;
}
function bytesToHex(bytes) {
for (var hex = [], i = 0; i < bytes.length; i++) {
hex.push((bytes[i] >>> 4).toString(16));
hex.push((bytes[i] & 0xF).toString(16));
}
return hex.join("");
}
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// const DES = require('./jssrc/des.js')
// var des = new DES();
// var key = hexToBytes("12345678123456781234567812345678")
// var ret = des.CalDES(hexToBytes("00000000000000000000000000000000"), key);
// console.log( ret )
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//
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// des = new DES();
// key = hexToBytes("12345678123456781234567812345670")
// ret = des.CalDES(hexToBytes("00000000000000000000000000000000"), key);
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// console.log( ret )
//
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//
const sm4 = require('./jssrc/sm4.js')
var ret = sm4.SM4CryptECB("00000000000000000000000000000000", 1 , "11111111111111111111111111111111")
console.log( ret )
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// const tripledes = require("crypto-js/tripledes");
//
// var value = "123";CryptoJS.enc.Hex.parse("0000000000000000");
// var key = "12345678123456781234567812345678"; CryptoJS.enc.Hex.parse("12345678123456781234567812345678");
//
// var encrypted = tripledes.encrypt(value , key);
// var decrypted = tripledes.decrypt(encrypted, key);
//
// console.log( "encrypted", encrypted.toString('hex') )
// console.log( "decrypted", decrypted )