82 lines
3.4 KiB
Java
82 lines
3.4 KiB
Java
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package o;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.math.BigInteger;
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import java.security.SignatureException;
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import java.util.Locale;
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import org.bouncycastle.asn1.ASN1EncodableVector;
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import org.bouncycastle.asn1.ASN1InputStream;
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import org.bouncycastle.asn1.ASN1Integer;
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import org.bouncycastle.asn1.ASN1Sequence;
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import org.bouncycastle.asn1.DEROutputStream;
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import org.bouncycastle.asn1.DERSequence;
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/* renamed from: o.gmi, reason: case insensitive filesystem */
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/* loaded from: classes6.dex */
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public final class C15294gmi {
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public static byte[] c(String str, byte[] bArr) throws IOException {
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byte[] bArr2;
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if (!str.toUpperCase(Locale.getDefault()).contains("ECDSA")) {
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return bArr;
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}
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ASN1InputStream aSN1InputStream = new ASN1InputStream(bArr);
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try {
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ASN1Sequence aSN1Sequence = (ASN1Sequence) aSN1InputStream.readObject();
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aSN1InputStream.close();
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BigInteger value = ((ASN1Integer) aSN1Sequence.getObjectAt(0)).getValue();
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BigInteger value2 = ((ASN1Integer) aSN1Sequence.getObjectAt(1)).getValue();
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byte[] byteArray = value.toByteArray();
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if (byteArray[0] == 0) {
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int length = byteArray.length - 1;
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byte[] bArr3 = new byte[length];
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System.arraycopy(byteArray, 1, bArr3, 0, length);
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byteArray = bArr3;
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}
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byte[] byteArray2 = value2.toByteArray();
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if (byteArray2[0] == 0) {
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int length2 = byteArray2.length - 1;
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byte[] bArr4 = new byte[length2];
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System.arraycopy(byteArray2, 1, bArr4, 0, length2);
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byteArray2 = bArr4;
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}
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if (byteArray.length > byteArray2.length) {
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bArr2 = new byte[byteArray.length << 1];
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} else {
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bArr2 = new byte[byteArray2.length << 1];
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}
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System.arraycopy(byteArray, 0, bArr2, (bArr2.length / 2) - byteArray.length, byteArray.length);
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System.arraycopy(byteArray2, 0, bArr2, bArr2.length - byteArray2.length, byteArray2.length);
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return bArr2;
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} catch (Throwable th) {
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aSN1InputStream.close();
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throw th;
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}
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}
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public static byte[] e(String str, byte[] bArr) throws SignatureException {
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if (!str.toUpperCase(Locale.getDefault()).contains("ECDSA")) {
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return bArr;
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}
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int length = bArr.length / 2;
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byte[] bArr2 = new byte[length];
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int length2 = bArr.length / 2;
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byte[] bArr3 = new byte[length2];
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System.arraycopy(bArr, 0, bArr2, 0, length);
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System.arraycopy(bArr, length, bArr3, 0, length2);
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BigInteger bigInteger = new BigInteger(1, bArr2);
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BigInteger bigInteger2 = new BigInteger(1, bArr3);
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
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DEROutputStream dEROutputStream = new DEROutputStream(byteArrayOutputStream);
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ASN1EncodableVector aSN1EncodableVector = new ASN1EncodableVector();
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aSN1EncodableVector.add(new ASN1Integer(bigInteger));
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aSN1EncodableVector.add(new ASN1Integer(bigInteger2));
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try {
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dEROutputStream.writeObject(new DERSequence(aSN1EncodableVector));
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return byteArrayOutputStream.toByteArray();
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} catch (IOException e) {
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throw new SignatureException(e);
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}
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}
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}
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