package Y3;

import java.security.GeneralSecurityException;
import java.security.InvalidAlgorithmParameterException;
import java.security.MessageDigest;

/* JADX INFO: loaded from: classes3.dex */
public final class r implements L3.j {

    /* JADX INFO: renamed from: a, reason: collision with root package name */
    public final W3.a f8843a;

    /* JADX INFO: renamed from: b, reason: collision with root package name */
    public final int f8844b;

    public r(W3.a aVar, int i6) throws InvalidAlgorithmParameterException {
        this.f8843a = aVar;
        this.f8844b = i6;
        if (i6 < 10) {
            throw new InvalidAlgorithmParameterException("tag size too small, need at least 10 bytes");
        }
        aVar.c(new byte[0], i6);
    }

    @Override // L3.j
    public final void a(byte[] bArr, byte[] bArr2) throws GeneralSecurityException {
        if (!MessageDigest.isEqual(b(bArr2), bArr)) {
            throw new GeneralSecurityException("invalid MAC");
        }
    }

    @Override // L3.j
    public final byte[] b(byte[] bArr) {
        return this.f8843a.c(bArr, this.f8844b);
    }
}