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MD加密算法的JAVA描述为:
import javasecurity*;
import javasecurityspec*;
class Md5{
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[] strTemp = sgetBytes();
MessageDigest mdTemp = MessageDigestgetInstance("MD5");
mdTempupdate(strTemp);
byte[] md = mdTempdigest();
int j = mdlength;
char str[] = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = md;
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
return new String(str);
}
catch (Exception e){
return null;
}
}
public static void main(String[] args){
Systemoutprint(MD5Md5("XX"));
}
我找到了一个,是用JAVA语言写的,可有些看不懂,你帮我注释一下。 |
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