这篇文章主要介绍了Vue怎么使用MD5对前后端进行加密的相关知识,内容详细易懂,操作简单快捷,具有一定借鉴价值,相信大家阅读完这篇Vue怎么使用MD5对前后端进行加密文章都会有所收获,下面我们一起来看看吧。
前端
在public下面新建一个MD5.js工具类
MD5 的内容:
var KEY = "!@#QWERT";var hexcase = 0; var b64pad = ""; var chrsz = 8; function hexMd5(s) { return hex_md5(s);}function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }function md5_vm_test(){ return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";}function core_md5(x, len){ x[len >> 5] |= 0x80 << ((len) % 32); x[(((len + 64) >>> 9) << 4) + 14] = len; var a = 1732584193; var b = -271733879; var c = -1732584194; var d = 271733878; for(var i = 0; i < x.length; i += 16) { var olda = a; var oldb = b; var oldc = c; var oldd = d; a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936); d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586); c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819); b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330); a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897); d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426); c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341); b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983); a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416); d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417); c = md5_ff(c, d, a, b, x[i+10], 17, -42063); b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162); a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682); d = md5_ff(d, a, b, c, x[i+13], 12, -40341101); c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290); b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329); a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510); d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632); c = md5_gg(c, d, a, b, x[i+11], 14, 643717713); b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302); a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691); d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083); c = md5_gg(c, d, a, b, x[i+15], 14, -660478335); b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848); a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438); d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690); c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961); b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501); a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467); d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784); c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473); b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734); a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558); d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463); c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562); b = md5_hh(b, c, d, a, x[i+14], 23, -35309556); a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060); d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353); c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632); b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640); a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174); d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222); c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979); b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189); a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487); d = md5_hh(d, a, b, c, x[i+12], 11, -421815835); c = md5_hh(c, d, a, b, x[i+15], 16, 530742520); b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651); a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844); d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415); c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905); b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055); a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571); d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606); c = md5_ii(c, d, a, b, x[i+10], 15, -1051523); b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799); a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359); d = md5_ii(d, a, b, c, x[i+15], 10, -30611744); c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380); b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649); a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070); d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379); c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259); b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551); a = safe_add(a, olda); b = safe_add(b, oldb); c = safe_add(c, oldc); d = safe_add(d, oldd); } return Array(a, b, c, d);}function md5_cmn(q, a, b, x, s, t){ return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);}function md5_ff(a, b, c, d, x, s, t){ return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);}function md5_gg(a, b, c, d, x, s, t){ return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);}function md5_hh(a, b, c, d, x, s, t){ return md5_cmn(b ^ c ^ d, a, b, x, s, t);}function md5_ii(a, b, c, d, x, s, t){ return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);}function core_hmac_md5(key, data){ var bkey = str2binl(key); if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz); var ipad = Array(16), opad = Array(16); for(var i = 0; i < 16; i++) { ipad[i] = bkey[i] ^ 0x36363636; opad[i] = bkey[i] ^ 0x5C5C5C5C; } var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz); return core_md5(opad.concat(hash), 512 + 128);}function safe_add(x, y){ var lsw = (x & 0xFFFF) + (y & 0xFFFF); var msw = (x >> 16) + (y >> 16) + (lsw >> 16); return (msw << 16) | (lsw & 0xFFFF);}function bit_rol(num, cnt){ return (num << cnt) | (num >>> (32 - cnt));}function str2binl(str){ var bin = Array(); var mask = (1 << chrsz) - 1; for(var i = 0; i < str.length * chrsz; i += chrsz) bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32); return bin;}function binl2str(bin){ var str = ""; var mask = (1 << chrsz) - 1; for(var i = 0; i < bin.length * 32; i += chrsz) str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask); return str;}function binl2hex(binarray){ var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; var str = ""; for(var i = 0; i < binarray.length * 4; i++) { str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) + hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF); } return str;}function binl2b64(binarray){ var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; var str = ""; for(var i = 0; i < binarray.length * 4; i += 3) { var triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16) | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) | ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF); for(var j = 0; j < 4; j++) { if(i * 8 + j * 6 > binarray.length * 32) str += b64pad; else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); } } return str;}
在index.html中,引入MD5.js
<script href="<%= BASE_URL %>js/md5.js" rel="external nofollow" ></script>
使用方法
user.value.password = hexMd5(user.value.password + KEY);
后端
spring自带MD5加密,直接引用工具类DigestUtils就可以
user1.setPassword(DigestUtils.md5DigestAsHex(user.getUserCode().getBytes()));
以下是工具类DigestUtils的源码,不需要的可以直接忽略。
package org.springframework.util;import java.io.IOException;import java.io.InputStream;import java.security.MessageDigest;import java.security.NoSuchAlgorithmException;public abstract class DigestUtils {private static final String MD5_ALGORITHM_NAME = "MD5";private static final char[] HEX_CHARS ={'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};public static byte[] md5Digest(byte[] bytes) {return digest(MD5_ALGORITHM_NAME, bytes);}public static byte[] md5Digest(InputStream inputStream) throws IOException {return digest(MD5_ALGORITHM_NAME, inputStream);}public static String md5DigestAsHex(byte[] bytes) {return digestAsHexString(MD5_ALGORITHM_NAME, bytes);}public static String md5DigestAsHex(InputStream inputStream) throws IOException {return digestAsHexString(MD5_ALGORITHM_NAME, inputStream);}public static StringBuilder appendMd5DigestAsHex(byte[] bytes, StringBuilder builder) {return appendDigestAsHex(MD5_ALGORITHM_NAME, bytes, builder);}public static StringBuilder appendMd5DigestAsHex(InputStream inputStream, StringBuilder builder) throws IOException {return appendDigestAsHex(MD5_ALGORITHM_NAME, inputStream, builder);}private static MessageDigest getDigest(String algorithm) {try {return MessageDigest.getInstance(algorithm);}catch (NoSuchAlgorithmException ex) {throw new IllegalStateException("Could not find MessageDigest with algorithm \"" + algorithm + "\"", ex);}}private static byte[] digest(String algorithm, byte[] bytes) {return getDigest(algorithm).digest(bytes);}private static byte[] digest(String algorithm, InputStream inputStream) throws IOException {MessageDigest messageDigest = getDigest(algorithm);if (inputStream instanceof UpdateMessageDigestInputStream){((UpdateMessageDigestInputStream) inputStream).updateMessageDigest(messageDigest);return messageDigest.digest();}else {final byte[] buffer = new byte[StreamUtils.BUFFER_SIZE];int bytesRead = -1;while ((bytesRead = inputStream.read(buffer)) != -1) {messageDigest.update(buffer, 0, bytesRead);}return messageDigest.digest();}}private static String digestAsHexString(String algorithm, byte[] bytes) {char[] hexDigest = digestAsHexChars(algorithm, bytes);return new String(hexDigest);}private static String digestAsHexString(String algorithm, InputStream inputStream) throws IOException {char[] hexDigest = digestAsHexChars(algorithm, inputStream);return new String(hexDigest);}private static StringBuilder appendDigestAsHex(String algorithm, byte[] bytes, StringBuilder builder) {char[] hexDigest = digestAsHexChars(algorithm, bytes);return builder.append(hexDigest);}private static StringBuilder appendDigestAsHex(String algorithm, InputStream inputStream, StringBuilder builder)throws IOException {char[] hexDigest = digestAsHexChars(algorithm, inputStream);return builder.append(hexDigest);}private static char[] digestAsHexChars(String algorithm, byte[] bytes) {byte[] digest = digest(algorithm, bytes);return encodeHex(digest);}private static char[] digestAsHexChars(String algorithm, InputStream inputStream) throws IOException {byte[] digest = digest(algorithm, inputStream);return encodeHex(digest);}private static char[] encodeHex(byte[] bytes) {char[] chars = new char[32];for (int i = 0; i < chars.length; i = i + 2) {byte b = bytes[i / 2];chars[i] = HEX_CHARS[(b >>> 0x4) & 0xf];chars[i + 1] = HEX_CHARS[b & 0xf];}return chars;}}
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