35 lines
1.1 KiB
Java
35 lines
1.1 KiB
Java
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package com.google.android.gms.internal.p002firebaseauthapi;
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import java.security.InvalidKeyException;
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import java.util.Arrays;
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/* loaded from: classes2.dex */
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public final class zzdq extends zzdn {
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public zzdq(byte[] bArr, int i) throws InvalidKeyException {
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super(bArr, i);
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}
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@Override // com.google.android.gms.internal.p002firebaseauthapi.zzdn
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final int zza() {
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return 24;
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}
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@Override // com.google.android.gms.internal.p002firebaseauthapi.zzdn
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final int[] zzb(int[] iArr, int i) {
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int length = iArr.length;
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if (length != 6) {
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throw new IllegalArgumentException(String.format("XChaCha20 uses 192-bit nonces, but got a %d-bit nonce", Integer.valueOf(length * 32)));
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}
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int[] iArr2 = new int[16];
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zzdj.zzb(r0, this.zza);
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int[] iArr3 = {0, 0, 0, 0, iArr3[12], iArr3[13], iArr3[14], iArr3[15], 0, 0, 0, 0, iArr[0], iArr[1], iArr[2], iArr[3]};
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zzdj.zzc(iArr3);
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zzdj.zzb(iArr2, Arrays.copyOf(iArr3, 8));
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iArr2[12] = i;
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iArr2[13] = 0;
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iArr2[14] = iArr[4];
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iArr2[15] = iArr[5];
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return iArr2;
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}
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}
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