CaesarCipher
simply showing the CaesarCipher
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public static StringBuffer encrypt(String text, int s)
{
StringBuffer result= new StringBuffer();
for (int i=0; i<text.length(); i++)
{
char ch = (char)(((int)text.charAt(i) + s - 65) % 26 + 65);
result.append(ch);
}
return result;
}
public static void main(String[] args)
{
String text = "QNUUXFXAUM";
int shiftByte = 1;
System.out.println("Original Text : " + text);
while (shiftByte <= 26)
{
System.out.println("Shift : " + shiftByte);
System.out.println("Cipher: " + encrypt(text, shiftByte));
shiftByte++;
}
}
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The out put should be
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| Original Text : QNUUXFXAUM
Shift : 1
Cipher: ROVVYGYBVN
Shift : 2
Cipher: SPWWZHZCWO
.
.
.
Shift : 17
Cipher: HELLOWORLD
.
.
.
Shift : 26
Cipher: QNUUXFXAUM
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