what-the-bank/sources/o/KzA.java

42 lines
1.4 KiB
Java

package o;
/* loaded from: classes2.dex */
public final class KzA {
private static final char[] a = "0123456789ABCDEF".toCharArray();
public static byte[] b(String str) {
char[] charArray = str.toCharArray();
if ((charArray.length & 1) != 0) {
throw new IllegalArgumentException("Odd number of characters.");
}
byte[] bArr = new byte[charArray.length >> 1];
int i = 0;
int i2 = 0;
while (i < charArray.length) {
int digit = Character.digit(charArray[i], 16);
if (digit == -1) {
throw new IllegalArgumentException("Illegal hexadecimal character at index ".concat(String.valueOf(i)));
}
int i3 = i + 1;
int digit2 = Character.digit(charArray[i3], 16);
if (digit2 == -1) {
throw new IllegalArgumentException("Illegal hexadecimal character at index ".concat(String.valueOf(i3)));
}
i += 2;
bArr[i2] = (byte) ((digit << 4) | digit2);
i2++;
}
return bArr;
}
public static String e(byte[] bArr) {
StringBuilder sb = new StringBuilder(bArr.length << 1);
for (byte b : bArr) {
char[] cArr = a;
sb.append(cArr[(b >> 4) & 15]);
sb.append(cArr[b & 15]);
}
return sb.toString();
}
}