21 lines
611 B
Java
21 lines
611 B
Java
package o;
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/* loaded from: classes2.dex */
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public final class UKk {
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public static byte[] c(byte[] bArr) {
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if (bArr.length != 16) {
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throw new IllegalArgumentException("value must be a block.");
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}
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byte[] bArr2 = new byte[16];
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for (int i = 0; i < 16; i++) {
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byte b = (byte) ((bArr[i] << 1) & 254);
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bArr2[i] = b;
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if (i < 15) {
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bArr2[i] = (byte) (((byte) ((bArr[i + 1] >> 7) & 1)) | b);
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}
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}
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bArr2[15] = (byte) (((byte) ((bArr[0] >> 7) & 135)) ^ bArr2[15]);
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return bArr2;
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}
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}
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