原文：http://blog.csdn.net/ererfei/article/details/73558226
1 var assert = require('assert'); 2 var crypto = require('crypto'); 3 4 function test_des(param) { 5 var key = new Buffer(param.key); 6 var iv = new Buffer(param.iv ? param.iv : 0) 7 var plaintext = param.plaintext 8 var alg = param.alg 9 var autoPad = param.autoPad 10 11 //encrypt 12 var cipher = crypto.createCipheriv(alg, key, iv); 13 cipher.setAutoPadding(autoPad) //default true 14 var ciph = cipher.update(plaintext, 'utf8', 'hex'); 15 ciph += cipher.final('hex'); 16 console.log(alg, ciph) 17 18 //decrypt 19 var decipher = crypto.createDecipheriv(alg, key, iv); 20 cipher.setAutoPadding(autoPad) 21 var txt = decipher.update(ciph, 'hex', 'utf8'); 22 txt += decipher.final('utf8'); 23 assert.equal(txt, plaintext, 'fail'); 24 } 25 26 test_des({ 27 alg: 'des-ecb', 28 autoPad: true, 29 key: '01234567', 30 plaintext: '1234567812345678', 31 iv: null 32 }) 33 34 test_des({ 35 alg: 'des-cbc', 36 autoPad: true, 37 key: '01234567', 38 plaintext: '1234567812345678', 39 iv: '12345678' 40 }) 41 42 test_des({ 43 alg: 'des-ede3', //3des-ecb 44 autoPad: true, 45 key: '0123456789abcd0123456789', 46 plaintext: '1234567812345678', 47 iv: null 48 }) 49 50 test_des({ 51 alg: 'des-ede3-cbc', //3des-cbc 52 autoPad: true, 53 key: '0123456789abcd0123456789', 54 plaintext: '1234567812345678', 55 iv: '12345678' 56 })
结果：
des-ecb cb22e0c49a73e0e0cb22e0c49a73e0e008bb5db6b37c06d7 des-cbc 388d44f8b0f709c0915e14abc8eb782604ae07d96110ab0d des-ede3 0a5f769c1a6eb5710a5f769c1a6eb5713bba29a037c699da des-ede3-cbc 99988858eabe3e95ace8349b9e19dda66abb82b44b5f8f62