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import java.security.*;
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import java.security.spec.*;
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public class MD5{
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public String convert(String s){
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char hexChars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
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try {
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byte[] bytes = s.getBytes();
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MessageDigest md = MessageDigest.getInstance("MD5");
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md.update(bytes);
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bytes = md.digest();
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int j = bytes.length;
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char[] chars = new char[j * 2];
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int k = 0;
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for (int i = 0; i < bytes.length; i++) {
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byte b = bytes[i];
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chars[k++] = hexChars[b >>> 4 & 0xf];
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chars[k++] = hexChars[b & 0xf];
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}
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return new String(chars);
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}
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catch (Exception e){
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return null;
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}
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}
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public static void main(String[] args){
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System.out.println(new MD5().convert("0123456789"));
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}
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}
import java.security.*; 2
import java.security.spec.*; 3

4
public class MD5{ 5
public String convert(String s){ 6
char hexChars[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; 7
try { 8
byte[] bytes = s.getBytes(); 9
MessageDigest md = MessageDigest.getInstance("MD5"); 10
md.update(bytes); 11
bytes = md.digest(); 12
int j = bytes.length; 13
char[] chars = new char[j * 2]; 14
int k = 0; 15
for (int i = 0; i < bytes.length; i++) { 16
byte b = bytes[i]; 17
chars[k++] = hexChars[b >>> 4 & 0xf]; 18
chars[k++] = hexChars[b & 0xf]; 19
} 20
return new String(chars); 21
} 22
catch (Exception e){ 23
return null; 24
} 25
} 26
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public static void main(String[] args){28
System.out.println(new MD5().convert("0123456789")); 29
}30
}


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