Add decompiled APK source code (JADX)

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- Full Java source code
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Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

decompiled/sources/com/google/android/gms/internal/ads/zzgup.java

@@ -0,0 +1,41 @@
+package com.google.android.gms.internal.ads;
+
+import java.nio.ByteBuffer;
+import java.security.GeneralSecurityException;
+import java.util.Arrays;
+
+/* loaded from: classes3.dex */
+public final class zzgup implements zzgdn {
+    private final zzgjy zza;
+    private final byte[] zzb;
+
+    private zzgup(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
+        this.zza = new zzgjy(bArr);
+        this.zzb = bArr2;
+    }
+
+    public static zzgdn zzb(zzggr zzggrVar) throws GeneralSecurityException {
+        return new zzgup(zzggrVar.zzd().zzd(zzgdw.zza()), zzggrVar.zzc().zzc());
+    }
+
+    private final byte[] zzc(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
+        int length = bArr.length;
+        if (length < 28) {
+            throw new GeneralSecurityException("ciphertext too short");
+        }
+        return this.zza.zzb(ByteBuffer.wrap(bArr, 12, length - 12), Arrays.copyOf(bArr, 12), bArr2);
+    }
+
+    @Override // com.google.android.gms.internal.ads.zzgdn
+    public final byte[] zza(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
+        byte[] bArr3 = this.zzb;
+        if (bArr3.length == 0) {
+            return zzc(bArr, bArr2);
+        }
+        if (!zzgnu.zzc(bArr3, bArr)) {
+            throw new GeneralSecurityException("Decryption failed (OutputPrefix mismatch).");
+        }
+        byte[] bArr4 = this.zzb;
+        return zzc(Arrays.copyOfRange(bArr, bArr4.length, bArr.length), bArr2);
+    }
+}