【Java】简单加解密
public class JavaCrackMe03 {public static char[] szSrc = new char[]{'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'};
public static char[] szKey = new char[]{'b', 'f', 'd', 'j', 'z', 'e', 'r', 'm', 'i', 'a', 'k', 'x', 'v', 'h', 'c', 'g', 'o', 'p', 'l', 'q', 's', 'n', 't', 'u', 'w', 'y'};
public static int getIndex(char[] arr, char ch) {
for(int i = 0; i < arr.length; ++i) {
if(ch == arr) {
return i;
}
}
return -1;
}
public static String encode(String string) {
StringBuffer stringbuffer = new StringBuffer();
for(int i = 0; i < string.length(); ++i) {
char ch = string.charAt(i);
int m = getIndex(szSrc, ch);
stringbuffer.append(szKey);
}
System.out.println("密文：" + stringbuffer);
return new String(stringbuffer);
}
public static String DeCode(String string) {
StringBuffer stringbuffer = new StringBuffer();
for(int i = 0; i < string.length(); ++i) {
char ch = string.charAt(i);
int m = getIndex(szKey, ch);
stringbuffer.append(szSrc);
}
System.out.println("明文：" + stringbuffer);
return new String(stringbuffer);
}
public static void main(String []args)
{
encode("java");
DeCode("abnb");
}
}
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