一、Java：
javascript
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package
org.bearfly.test.md5;
import
java.io.UnsupportedEncodingException;
import
java.security.MessageDigest;
import
java.security.NoSuchAlgorithmException;
public
class
MD5Utils {
public
static
void
main(String[] args){
System.out.println(getMd5String(
""
));
System.out.println(MD5(
"good"
));
}
public
final
static
String MD5(String s) {
char
hexDigits[] = {
'0'
,
'1'
,
'2'
,
'3'
,
'4'
,
'5'
,
'6'
,
'7'
,
'8'
,
'9'
,
'A'
,
'B'
,
'C'
,
'D'
,
'E'
,
'F'
};
try
{
byte
[] btInput = s.getBytes();
//得到MD5摘要算法的 MessageDigest 對象
MessageDigest mdInst = MessageDigest.getInstance(
"MD5"
);
//使用指定的字節更新摘要
mdInst.update(btInput);
//得到密文
byte
[] md = mdInst.digest();
//把密文轉換成十六進制的字符串形式
int
j = md.length;
char
str[] =
new
char
[j *
2
];
int
k =
0
;
for
(
int
i =
0
; i < j; i++) {
byte
byte0 = md[i];
str[k++] = hexDigits[byte0 >>>
4
&
0xf
];
str[k++] = hexDigits[byte0 &
0xf
];
}
return
new
String(str);
}
catch
(Exception e) {
e.printStackTrace();
return
null
;
}
}
public
static
String getMd5String(String str){
MessageDigest messageDigest =
null
;
try
{
messageDigest = MessageDigest.getInstance(
"MD5"
);
messageDigest.reset();
messageDigest.update(str.getBytes(
"UTF-8"
));
}
catch
(NoSuchAlgorithmException e) {
System.out.println(
"NoSuchAlgorithmException caught!"
);
System.exit(-
1
);
}
catch
(UnsupportedEncodingException e) {
e.printStackTrace();
}
byte
[] byteArray = messageDigest.digest();
StringBuffer md5StrBuff =
new
StringBuffer();
for
(
int
i =
0
; i < byteArray.length; i++) {
if
(Integer.toHexString(
0xFF
& byteArray[i]).length() ==
1
)
md5StrBuff.append(
"0"
).append(Integer.toHexString(
0xFF
& byteArray[i]));
else
md5StrBuff.append(Integer.toHexString(
0xFF
& byteArray[i]));
}
return
md5StrBuff.toString();
}
}
|
二、JavaScript:
md5.js
css
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var
hexcase = 0;
/* hex output format. 0 - lowercase; 1 - uppercase */
var
b64pad =
""
;
/* base-64 pad character. "=" for strict RFC compliance */
var
chrsz = 8;
/* bits per input character. 8 - ASCII; 16 - Unicode */
/*
* These are the functions you'll usually want to call
* They take string arguments and return either hex or base-64 encoded strings
*/
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)); }
/*
* Perform a simple self-test to see if the VM is working
*/
function
md5_vm_test()
{
return
hex_md5(
"abc"
) ==
"900150983cd24fb0d6963f7d28e17f72"
;
}
/*
* Calculate the MD5 of an array of little-endian words, and a bit length
*/
function
core_md5(x, len)
{
/* append padding */
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);
}
/*
* These functions implement the four basic operations the algorithm uses.
*/
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);
}
/*
* Calculate the HMAC-MD5, of a key and some data
*/
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);
}
/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
function
safe_add(x, y)
{
var
lsw = (x & 0xFFFF) + (y & 0xFFFF);
var
msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return
(msw << 16) | (lsw & 0xFFFF);
}
/*
* Bitwise rotate a 32-bit number to the left.
*/
function
bit_rol(num, cnt)
{
return
(num << cnt) | (num >>> (32 - cnt));
}
/*
* Convert a string to an array of little-endian words
* If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
*/
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;
}
/*
* Convert an array of little-endian words to a string
*/
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;
}
/*
* Convert an array of little-endian words to a hex string.
*/
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;
}
/*
* Convert an array of little-endian words to a base-64 string
*/
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;
}
|
md5.html
html
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<
html
>
<
head
>
<
title
>md5_Test</
title
>
<
script
type
=
"text/javascript"
src
=
"md5.js"
></
script
>
<
link
rel
=
"stylesheet"
type
=
"text/css"
href
=
"bearfly.css"
/>
</
head
>
<
body
>
<
script
type
=
"text/javascript"
>
document.write("myPassword MD5: ",hex_md5("md5Test").toUpperCase());
</
script
>
</
body
>
</
html
>
|
補充：javascript 的MD5代碼備份，跟java互通java
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