try { // Generate a key for the HMAC-MD5 keyed-hashing algorithm; see RFC 2104 // In practice, you would save this key. KeyGenerator keyGen = KeyGenerator.getInstance("HmacMD5"); SecretKey key = keyGen.generateKey();
// Create a MAC object using HMAC-MD5 and initialize with key Mac mac = Mac.getInstance(key.getAlgorithm()); mac.init(key);
String str = "This message will be digested";
// Encode the string into bytes using utf-8 and digest it byte[] utf8 = str.getBytes("UTF8"); byte[] digest = mac.doFinal(utf8);
// If desired, convert the digest into a string String digestB64 = new sun.misc.BASE64Encoder().encode(digest); } catch (InvalidKeyException e) { } catch (NoSuchAlgorithmException e) { } catch (UnsupportedEncodingException e) { }
public String md5(String source){ String dest = null; try { MessageDigest md5 = MessageDigest.getInstance("MD5"); char[] charArray = source.toCharArray(); byte[] byteArray = new byte[charArray.length]; for (int i=0; i<charArray.length; i++) byteArray[i] = (byte) charArray[i]; byte[] md5Bytes = md5.digest(byteArray); StringBuffer hexValue = new StringBuffer(); for (int i=0; i<md5Bytes.length; i++) { int val = ((int) md5Bytes[i] ) & 0xff; if (val < 16) hexValue.append("0"); hexValue.append(Integer.toHexString(val)); } dest = hexValue.toString(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } return dest; }
试试这个看看! public class MD5 { public byte[] getMD5ofStr(byte inbuf[], int len) { md5Init(); md5Update(inbuf, len); md5Final(); return digest; } public MD5() { state = new long[4]; count = new long[2]; buffer = new byte[64]; digest = new byte[16]; md5Init(); } private void md5Init() { count[0] = 0L; count[1] = 0L; state[0] = 0x67452301L; state[1] = 0xefcdab89L; state[2] = 0x98badcfeL; state[3] = 0x10325476L; } private long F(long x, long y, long z) { return x & y | ~x & z; } private long G(long x, long y, long z) { return x & z | y & ~z; } private long H(long x, long y, long z) { return x ^ y ^ z; } private long I(long x, long y, long z) { return y ^ (x | ~z); } private long FF(long a, long b, long c, long d, long x, long s, long ac) { a += F(b, c, d) + x + ac; a = (int)a << (int)s | (int)a >>> (int)(32L - s); a += b; return a; } private long GG(long a, long b, long c, long d, long x, long s, long ac) { a += G(b, c, d) + x + ac; a = (int)a << (int)s | (int)a >>> (int)(32L - s); a += b; return a; } private long HH(long a, long b, long c, long d, long x, long s, long ac) { a += H(b, c, d) + x + ac; a = (int)a << (int)s | (int)a >>> (int)(32L - s); a += b; return a; } private long II(long a, long b, long c, long d, long x, long s, long ac) { a += I(b, c, d) + x + ac; a = (int)a << (int)s | (int)a >>> (int)(32L - s); a += b; return a; } private void md5Update(byte inbuf[], int inputLen) { byte block[] = new byte[64]; int index = (int)(count[0] >>> 3) & 0x3f; if((count[0] += inputLen << 3) < (long)(inputLen << 3)) count[1]++; count[1] += inputLen >>> 29; int partLen = 64 - index; int i; if(inputLen >= partLen) { md5Memcpy(buffer, inbuf, index, 0, partLen); md5Transform(buffer); for(i = partLen; i + 63 < inputLen; i += 64) { md5Memcpy(block, inbuf, 0, i, 64); md5Transform(block); } index = 0; } else { i = 0; } md5Memcpy(buffer, inbuf, index, i, inputLen - i); } private void md5Final() { byte bits[] = new byte[8]; Encode(bits, count, 8); int index = (int)(count[0] >>> 3) & 0x3f; int padLen = index >= 56 ? 120 - index : 56 - index; md5Update(PADDING, padLen); md5Update(bits, 8); Encode(digest, state, 16); } private void md5Memcpy(byte output[], byte input[], int outpos, int inpos, int len) { for(int i = 0; i < len; i++) output[outpos + i] = input[inpos + i]; } private void md5Transform(byte block[]) { long a = state[0]; long b = state[1]; long c = state[2]; long d = state[3]; long x[] = new long[16]; Decode(x, block, 64); a = FF(a, b, c, d, x[0], 7L, 0xd76aa478L); d = FF(d, a, b, c, x[1], 12L, 0xe8c7b756L); c = FF(c, d, a, b, x[2], 17L, 0x242070dbL); b = FF(b, c, d, a, x[3], 22L, 0xc1bdceeeL); a = FF(a, b, c, d, x[4], 7L, 0xf57c0fafL); d = FF(d, a, b, c, x[5], 12L, 0x4787c62aL); c = FF(c, d, a, b, x[6], 17L, 0xa8304613L); b = FF(b, c, d, a, x[7], 22L, 0xfd469501L); a = FF(a, b, c, d, x[8], 7L, 0x698098d8L); d = FF(d, a, b, c, x[9], 12L, 0x8b44f7afL); c = FF(c, d, a, b, x[10], 17L, 0xffff5bb1L); b = FF(b, c, d, a, x[11], 22L, 0x895cd7beL); a = FF(a, b, c, d, x[12], 7L, 0x6b901122L); d = FF(d, a, b, c, x[13], 12L, 0xfd987193L); c = FF(c, d, a, b, x[14], 17L, 0xa679438eL); b = FF(b, c, d, a, x[15], 22L, 0x49b40821L); a = GG(a, b, c, d, x[1], 5L, 0xf61e2562L); d = GG(d, a, b, c, x[6], 9L, 0xc040b340L); c = GG(c, d, a, b, x[11], 14L, 0x265e5a51L); b = GG(b, c, d, a, x[0], 20L, 0xe9b6c7aaL); a = GG(a, b, c, d, x[5], 5L, 0xd62f105dL); d = GG(d, a, b, c, x[10], 9L, 0x2441453L); c = GG(c, d, a, b, x[15], 14L, 0xd8a1e681L); b = GG(b, c, d, a, x[4], 20L, 0xe7d3fbc8L); a = GG(a, b, c, d, x[9], 5L, 0x21e1cde6L); d = GG(d, a, b, c, x[14], 9L, 0xc33707d6L); c = GG(c, d, a, b, x[3], 14L, 0xf4d50d87L); b = GG(b, c, d, a, x[8], 20L, 0x455a14edL); a = GG(a, b, c, d, x[13], 5L, 0xa9e3e905L); d = GG(d, a, b, c, x[2], 9L, 0xfcefa3f8L); c = GG(c, d, a, b, x[7], 14L, 0x676f02d9L); b = GG(b, c, d, a, x[12], 20L, 0x8d2a4c8aL); a = HH(a, b, c, d, x[5], 4L, 0xfffa3942L); d = HH(d, a, b, c, x[8], 11L, 0x8771f681L); c = HH(c, d, a, b, x[11], 16L, 0x6d9d6122L); b = HH(b, c, d, a, x[14], 23L, 0xfde5380cL); a = HH(a, b, c, d, x[1], 4L, 0xa4beea44L); d = HH(d, a, b, c, x[4], 11L, 0x4bdecfa9L); c = HH(c, d, a, b, x[7], 16L, 0xf6bb4b60L); b = HH(b, c, d, a, x[10], 23L, 0xbebfbc70L); a = HH(a, b, c, d, x[13], 4L, 0x289b7ec6L); d = HH(d, a, b, c, x[0], 11L, 0xeaa127faL); c = HH(c, d, a, b, x[3], 16L, 0xd4ef3085L); b = HH(b, c, d, a, x[6], 23L, 0x4881d05L); a = HH(a, b, c, d, x[9], 4L, 0xd9d4d039L); d = HH(d, a, b, c, x[12], 11L, 0xe6db99e5L); c = HH(c, d, a, b, x[15], 16L, 0x1fa27cf8L); b = HH(b, c, d, a, x[2], 23L, 0xc4ac5665L); a = II(a, b, c, d, x[0], 6L, 0xf4292244L); d = II(d, a, b, c, x[7], 10L, 0x432aff97L); c = II(c, d, a, b, x[14], 15L, 0xab9423a7L); b = II(b, c, d, a, x[5], 21L, 0xfc93a039L); a = II(a, b, c, d, x[12], 6L, 0x655b59c3L); d = II(d, a, b, c, x[3], 10L, 0x8f0ccc92L); c = II(c, d, a, b, x[10], 15L, 0xffeff47dL); b = II(b, c, d, a, x[1], 21L, 0x85845dd1L); a = II(a, b, c, d, x[8], 6L, 0x6fa87e4fL); d = II(d, a, b, c, x[15], 10L, 0xfe2ce6e0L); c = II(c, d, a, b, x[6], 15L, 0xa3014314L); b = II(b, c, d, a, x[13], 21L, 0x4e0811a1L); a = II(a, b, c, d, x[4], 6L, 0xf7537e82L); d = II(d, a, b, c, x[11], 10L, 0xbd3af235L); c = II(c, d, a, b, x[2], 15L, 0x2ad7d2bbL); b = II(b, c, d, a, x[9], 21L, 0xeb86d391L); state[0] += a; state[1] += b; state[2] += c; state[3] += d; }
private void Encode(byte output[], long input[], int len) { int i = 0; for(int j = 0; j < len; j += 4) { output[j] = (byte)(int)(input[i] & 255L); output[j + 1] = (byte)(int)(input[i] >>> 8 & 255L); output[j + 2] = (byte)(int)(input[i] >>> 16 & 255L); output[j + 3] = (byte)(int)(input[i] >>> 24 & 255L); i++; } } private void Decode(long output[], byte input[], int len) { int i = 0; for(int j = 0; j < len; j += 4) { output[i] = b2iu(input[j]) | b2iu(input[j + 1]) << 8 | b2iu(input[j + 2]) << 16 | b2iu(input[j + 3]) << 24; i++; } } public static long b2iu(byte b) { return (long)(b >= 0 ? b : b & 0xff); } public static String byteHEX(byte ib) { char Digit[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; char ob[] = new char[2]; ob[0] = Digit[ib >>> 4 & 0xf]; ob[1] = Digit[ib & 0xf]; String s = new String(ob); return s; } static final int S11 = 7; static final int S12 = 12; static final int S13 = 17; static final int S14 = 22; static final int S21 = 5; static final int S22 = 9; static final int S23 = 14; static final int S24 = 20; static final int S31 = 4; static final int S32 = 11; static final int S33 = 16; static final int S34 = 23; static final int S41 = 6; static final int S42 = 10; static final int S43 = 15; static final int S44 = 21; static final byte PADDING[] = { -128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; private long state[]; private long count[]; private byte buffer[]; public String digestHexStr; private byte digest[]; }
public String md5(String source){
String dest = null;
try {
MessageDigest md5 = MessageDigest.getInstance("MD5");
char[] charArray = source.toCharArray();
byte[] byteArray = new byte[charArray.length];
for (int i=0; i<charArray.length; i++)
byteArray[i] = (byte) charArray[i];
byte[] md5Bytes = md5.digest(byteArray);
StringBuffer hexValue = new StringBuffer();
for (int i=0; i<md5Bytes.length; i++)
{
int val = ((int) md5Bytes[i] ) & 0xff;
if (val < 16) hexValue.append("0");
hexValue.append(Integer.toHexString(val));
}
dest = hexValue.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return dest;
}
* 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);
}具体的在上面我给的链接有介绍
第二,据说JAVA有包包支持
第三,下次记得先搜索.
第四,记得结帐
// Generate a key for the HMAC-MD5 keyed-hashing algorithm; see RFC 2104
// In practice, you would save this key.
KeyGenerator keyGen = KeyGenerator.getInstance("HmacMD5");
SecretKey key = keyGen.generateKey();
// Create a MAC object using HMAC-MD5 and initialize with key
Mac mac = Mac.getInstance(key.getAlgorithm());
mac.init(key);
String str = "This message will be digested";
// Encode the string into bytes using utf-8 and digest it
byte[] utf8 = str.getBytes("UTF8");
byte[] digest = mac.doFinal(utf8);
// If desired, convert the digest into a string
String digestB64 = new sun.misc.BASE64Encoder().encode(digest);
} catch (InvalidKeyException e) {
} catch (NoSuchAlgorithmException e) {
} catch (UnsupportedEncodingException e) {
}
String dest = null;
try {
MessageDigest md5 = MessageDigest.getInstance("MD5");
char[] charArray = source.toCharArray();
byte[] byteArray = new byte[charArray.length];
for (int i=0; i<charArray.length; i++)
byteArray[i] = (byte) charArray[i];
byte[] md5Bytes = md5.digest(byteArray);
StringBuffer hexValue = new StringBuffer();
for (int i=0; i<md5Bytes.length; i++)
{
int val = ((int) md5Bytes[i] ) & 0xff;
if (val < 16) hexValue.append("0");
hexValue.append(Integer.toHexString(val));
}
dest = hexValue.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return dest;
}
public class MD5
{
public byte[] getMD5ofStr(byte inbuf[], int len)
{
md5Init();
md5Update(inbuf, len);
md5Final();
return digest;
}
public MD5()
{
state = new long[4];
count = new long[2];
buffer = new byte[64];
digest = new byte[16];
md5Init();
}
private void md5Init()
{
count[0] = 0L;
count[1] = 0L;
state[0] = 0x67452301L;
state[1] = 0xefcdab89L;
state[2] = 0x98badcfeL;
state[3] = 0x10325476L;
}
private long F(long x, long y, long z)
{
return x & y | ~x & z;
}
private long G(long x, long y, long z)
{
return x & z | y & ~z;
}
private long H(long x, long y, long z)
{
return x ^ y ^ z;
}
private long I(long x, long y, long z)
{
return y ^ (x | ~z);
}
private long FF(long a, long b, long c, long d, long x, long s, long ac)
{
a += F(b, c, d) + x + ac;
a = (int)a << (int)s | (int)a >>> (int)(32L - s);
a += b;
return a;
}
private long GG(long a, long b, long c, long d, long x, long s, long ac)
{
a += G(b, c, d) + x + ac;
a = (int)a << (int)s | (int)a >>> (int)(32L - s);
a += b;
return a;
}
private long HH(long a, long b, long c, long d, long x, long s, long ac)
{
a += H(b, c, d) + x + ac;
a = (int)a << (int)s | (int)a >>> (int)(32L - s);
a += b;
return a;
}
private long II(long a, long b, long c, long d, long x, long s, long ac)
{
a += I(b, c, d) + x + ac;
a = (int)a << (int)s | (int)a >>> (int)(32L - s);
a += b;
return a;
}
private void md5Update(byte inbuf[], int inputLen)
{
byte block[] = new byte[64];
int index = (int)(count[0] >>> 3) & 0x3f;
if((count[0] += inputLen << 3) < (long)(inputLen << 3))
count[1]++;
count[1] += inputLen >>> 29;
int partLen = 64 - index;
int i;
if(inputLen >= partLen)
{
md5Memcpy(buffer, inbuf, index, 0, partLen);
md5Transform(buffer);
for(i = partLen; i + 63 < inputLen; i += 64)
{
md5Memcpy(block, inbuf, 0, i, 64);
md5Transform(block);
}
index = 0;
} else
{
i = 0;
}
md5Memcpy(buffer, inbuf, index, i, inputLen - i);
}
private void md5Final()
{
byte bits[] = new byte[8];
Encode(bits, count, 8);
int index = (int)(count[0] >>> 3) & 0x3f;
int padLen = index >= 56 ? 120 - index : 56 - index;
md5Update(PADDING, padLen);
md5Update(bits, 8);
Encode(digest, state, 16);
}
private void md5Memcpy(byte output[], byte input[], int outpos, int inpos, int len)
{
for(int i = 0; i < len; i++)
output[outpos + i] = input[inpos + i]; }
private void md5Transform(byte block[])
{
long a = state[0];
long b = state[1];
long c = state[2];
long d = state[3];
long x[] = new long[16];
Decode(x, block, 64);
a = FF(a, b, c, d, x[0], 7L, 0xd76aa478L);
d = FF(d, a, b, c, x[1], 12L, 0xe8c7b756L);
c = FF(c, d, a, b, x[2], 17L, 0x242070dbL);
b = FF(b, c, d, a, x[3], 22L, 0xc1bdceeeL);
a = FF(a, b, c, d, x[4], 7L, 0xf57c0fafL);
d = FF(d, a, b, c, x[5], 12L, 0x4787c62aL);
c = FF(c, d, a, b, x[6], 17L, 0xa8304613L);
b = FF(b, c, d, a, x[7], 22L, 0xfd469501L);
a = FF(a, b, c, d, x[8], 7L, 0x698098d8L);
d = FF(d, a, b, c, x[9], 12L, 0x8b44f7afL);
c = FF(c, d, a, b, x[10], 17L, 0xffff5bb1L);
b = FF(b, c, d, a, x[11], 22L, 0x895cd7beL);
a = FF(a, b, c, d, x[12], 7L, 0x6b901122L);
d = FF(d, a, b, c, x[13], 12L, 0xfd987193L);
c = FF(c, d, a, b, x[14], 17L, 0xa679438eL);
b = FF(b, c, d, a, x[15], 22L, 0x49b40821L);
a = GG(a, b, c, d, x[1], 5L, 0xf61e2562L);
d = GG(d, a, b, c, x[6], 9L, 0xc040b340L);
c = GG(c, d, a, b, x[11], 14L, 0x265e5a51L);
b = GG(b, c, d, a, x[0], 20L, 0xe9b6c7aaL);
a = GG(a, b, c, d, x[5], 5L, 0xd62f105dL);
d = GG(d, a, b, c, x[10], 9L, 0x2441453L);
c = GG(c, d, a, b, x[15], 14L, 0xd8a1e681L);
b = GG(b, c, d, a, x[4], 20L, 0xe7d3fbc8L);
a = GG(a, b, c, d, x[9], 5L, 0x21e1cde6L);
d = GG(d, a, b, c, x[14], 9L, 0xc33707d6L);
c = GG(c, d, a, b, x[3], 14L, 0xf4d50d87L);
b = GG(b, c, d, a, x[8], 20L, 0x455a14edL);
a = GG(a, b, c, d, x[13], 5L, 0xa9e3e905L);
d = GG(d, a, b, c, x[2], 9L, 0xfcefa3f8L);
c = GG(c, d, a, b, x[7], 14L, 0x676f02d9L);
b = GG(b, c, d, a, x[12], 20L, 0x8d2a4c8aL);
a = HH(a, b, c, d, x[5], 4L, 0xfffa3942L);
d = HH(d, a, b, c, x[8], 11L, 0x8771f681L);
c = HH(c, d, a, b, x[11], 16L, 0x6d9d6122L);
b = HH(b, c, d, a, x[14], 23L, 0xfde5380cL);
a = HH(a, b, c, d, x[1], 4L, 0xa4beea44L);
d = HH(d, a, b, c, x[4], 11L, 0x4bdecfa9L);
c = HH(c, d, a, b, x[7], 16L, 0xf6bb4b60L);
b = HH(b, c, d, a, x[10], 23L, 0xbebfbc70L);
a = HH(a, b, c, d, x[13], 4L, 0x289b7ec6L);
d = HH(d, a, b, c, x[0], 11L, 0xeaa127faL);
c = HH(c, d, a, b, x[3], 16L, 0xd4ef3085L);
b = HH(b, c, d, a, x[6], 23L, 0x4881d05L);
a = HH(a, b, c, d, x[9], 4L, 0xd9d4d039L);
d = HH(d, a, b, c, x[12], 11L, 0xe6db99e5L);
c = HH(c, d, a, b, x[15], 16L, 0x1fa27cf8L);
b = HH(b, c, d, a, x[2], 23L, 0xc4ac5665L);
a = II(a, b, c, d, x[0], 6L, 0xf4292244L);
d = II(d, a, b, c, x[7], 10L, 0x432aff97L);
c = II(c, d, a, b, x[14], 15L, 0xab9423a7L);
b = II(b, c, d, a, x[5], 21L, 0xfc93a039L);
a = II(a, b, c, d, x[12], 6L, 0x655b59c3L);
d = II(d, a, b, c, x[3], 10L, 0x8f0ccc92L);
c = II(c, d, a, b, x[10], 15L, 0xffeff47dL);
b = II(b, c, d, a, x[1], 21L, 0x85845dd1L);
a = II(a, b, c, d, x[8], 6L, 0x6fa87e4fL);
d = II(d, a, b, c, x[15], 10L, 0xfe2ce6e0L);
c = II(c, d, a, b, x[6], 15L, 0xa3014314L);
b = II(b, c, d, a, x[13], 21L, 0x4e0811a1L);
a = II(a, b, c, d, x[4], 6L, 0xf7537e82L);
d = II(d, a, b, c, x[11], 10L, 0xbd3af235L);
c = II(c, d, a, b, x[2], 15L, 0x2ad7d2bbL);
b = II(b, c, d, a, x[9], 21L, 0xeb86d391L);
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
}
{
int i = 0;
for(int j = 0; j < len; j += 4)
{
output[j] = (byte)(int)(input[i] & 255L);
output[j + 1] = (byte)(int)(input[i] >>> 8 & 255L);
output[j + 2] = (byte)(int)(input[i] >>> 16 & 255L);
output[j + 3] = (byte)(int)(input[i] >>> 24 & 255L);
i++;
} }
private void Decode(long output[], byte input[], int len)
{
int i = 0;
for(int j = 0; j < len; j += 4)
{
output[i] = b2iu(input[j]) | b2iu(input[j + 1]) << 8 | b2iu(input[j + 2]) << 16 | b2iu(input[j + 3]) << 24;
i++;
}
}
public static long b2iu(byte b)
{
return (long)(b >= 0 ? b : b & 0xff);
}
public static String byteHEX(byte ib)
{
char Digit[] = {
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F'
};
char ob[] = new char[2];
ob[0] = Digit[ib >>> 4 & 0xf];
ob[1] = Digit[ib & 0xf];
String s = new String(ob);
return s;
}
static final int S11 = 7;
static final int S12 = 12;
static final int S13 = 17;
static final int S14 = 22;
static final int S21 = 5;
static final int S22 = 9;
static final int S23 = 14;
static final int S24 = 20;
static final int S31 = 4;
static final int S32 = 11;
static final int S33 = 16;
static final int S34 = 23;
static final int S41 = 6;
static final int S42 = 10;
static final int S43 = 15;
static final int S44 = 21;
static final byte PADDING[] = {
-128, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0
};
private long state[];
private long count[];
private byte buffer[];
public String digestHexStr;
private byte digest[];
}