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Updated on 2026-08-14

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Tangem 2018-05-29 16:11:22 +03:00
parent 8c17a8d4f0
commit b19c306250
70 changed files with 6149 additions and 6206 deletions
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33
app/src/main/java/com/tangem/wallet/BTCUtils.java
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@ -6,49 +6,18 @@ package com.tangem.wallet;
import android.util.Log;
import com.tangem.cardReader.Util;
import org.spongycastle.asn1.ASN1EncodableVector;
import org.spongycastle.asn1.ASN1Integer;
import org.spongycastle.asn1.DERSequence;
import org.spongycastle.asn1.DERSequenceGenerator;
import org.spongycastle.asn1.sec.SECNamedCurves;
import org.spongycastle.asn1.x9.X9ECParameters;
import org.spongycastle.asn1.x9.X9IntegerConverter;
import org.spongycastle.crypto.params.ECDomainParameters;
import org.spongycastle.crypto.params.ECPrivateKeyParameters;
import org.spongycastle.crypto.params.ECPublicKeyParameters;
import org.spongycastle.crypto.signers.ECDSASigner;
import org.spongycastle.jce.ECNamedCurveTable;
import org.spongycastle.jce.spec.ECNamedCurveParameterSpec;
import org.spongycastle.jce.spec.ECPrivateKeySpec;
import org.spongycastle.jce.spec.ECPublicKeySpec;
import org.spongycastle.math.ec.ECAlgorithms;
import org.spongycastle.math.ec.ECCurve;
import org.spongycastle.math.ec.ECPoint;
import com.tangem.domain.cardReader.Util;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.security.InvalidKeyException;
import java.security.KeyFactory;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.PublicKey;
import java.security.Signature;
import java.security.SignatureException;
import java.security.spec.InvalidKeySpecException;
import java.text.Format;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Stack;
import java.util.regex.Pattern;
import static org.bitcoinj.core.ECKey.CURVE;
import static org.bitcoinj.core.ECKey.HALF_CURVE_ORDER;
@SuppressWarnings({"WeakerAccess", "TryWithIdenticalCatches", "unused"})
public final class BTCUtils {