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