exchange.txt

使用MD5进行数据加密的算法的实现源码.

源码
/
??? public MD5Digest()
??????? throws NoSuchAlgorithmException
??? {
??????? __md5 = MessageDigest.getInstance("MD5");
??????? __digestBuffer = new StringBuffer();
??? }
??? public String md5crypt(String s)
??? {
??????? __digestBuffer.setLength(0);
??????? byte abyte0[] = __md5.digest(s.getBytes());
??????? for(int i = 0; i < abyte0.length; i++)
??????????? __digestBuffer.append(toHex(abyte0[i]));
??????? return __digestBuffer.toString();
??? }



??? public String toHex(byte one){
?? String HEX="0123456789ABCDEF";
?? char[] result=new char[2];
?? result[0]=HEX.charAt((one & 0xf0) >> 4);
?? result[1]=HEX.charAt(one & 0x0f);
?? String mm=new String(result);
?? return mm;
? }
}