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| import java.math.BigInteger;
import java.util.Random;
public class Principale {
static byte[] ajout(byte[] input) {
byte[] result = new byte[input.length+1];
result[0] = 1;
for (int i = 0; i < input.length; i++) {
result[i+1] = input[i];
}
return result;
}
static byte[] removeOneByte(byte[] input) {
byte[] result = new byte[input.length-1];
for (int i = 0; i < result.length; i++) {
result[i] = input[i+1];
}
return result;
}
public static void main(String args[]){
try {
String chaine = "ççaa";
byte[] bytes = chaine.getBytes("ASCII"); //sans code ascii
ajout(bytes)
{
BigInteger amina=new BigIntegera (bytes);
BigInteger allooo= essai.encryption(amina);
byte[] ch=allooo.toByteArray();
String ss=new String(ch);
// System.out.println(ss);
BigInteger alloo= essai.decryption(allooo);
byte[]aa=alloo.toByteArray();
String s=new String(aa);
System.out.println(s);
}
} catch( java.io.UnsupportedEncodingException e ) {
e.printStackTrace();
}
}
} |
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