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18 lines
396 B
18 lines
396 B
package client.util;
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public class CeasarChipher {
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public static byte[] encrypt(byte[] x) {
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for (int i = 0; i < x.length; ++i) {
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x[i] = (byte) ((x[i] + 3) % 256);
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}
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return x;
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}
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public static byte[] decrypt(byte[] x) {
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for (int i = 0; i < x.length; ++i) {
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x[i] = (byte) ((x[i] + 253) % 256);
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}
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return x;
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}
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}
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