Examples with DLSequence com.github.zhenwei.core.asn1.DLSequence used on opensource projects

Example 11 with DLSequence

use of com.github.zhenwei.core.asn1.DLSequence in project transparenzsoftware by SAFE-eV.

the class PcdfVerificationParser method checkSignAndPublicKeyByte.

private boolean checkSignAndPublicKeyByte(String data, String sign, byte[] pke) {
    try {
        int lns = sign.length();
        byte[] se = new byte[lns / 2];
        for (int i = 0; i < lns / 2; i++) {
            String val = sign.substring(i * 2, i * 2 + 2);
            se[i] = (byte) Integer.parseInt(val, 16);
        }
        byte[] x = new byte[32];
        byte[] y = new byte[32];
        System.arraycopy(pke, 1, x, 0, 32);
        System.arraycopy(pke, 33, y, 0, 32);
        try {
            X9ECParameters params = SECNamedCurves.getByName("secp256r1");
            ECDomainParameters ecParams = new ECDomainParameters(params.getCurve(), params.getG(), params.getN(), params.getH());
            ECPublicKeyParameters pubKeyParams = new ECPublicKeyParameters(ecParams.getCurve().decodePoint(pke), ecParams);
            ASN1InputStream asn1 = new ASN1InputStream(se);
            ECDSASigner signer2 = new ECDSASigner();
            // not for signing...
            signer2.init(false, pubKeyParams);
            DLSequence seq = (DLSequence) asn1.readObject();
            BigInteger r = ((ASN1Integer) seq.getObjectAt(0)).getPositiveValue();
            BigInteger s = ((ASN1Integer) seq.getObjectAt(1)).getPositiveValue();
            MessageDigest digest = MessageDigest.getInstance("SHA-256");
            byte[] hash = digest.digest(data.getBytes(StandardCharsets.UTF_8));
            boolean result = signer2.verifySignature(hash, r.abs(), s.abs());
            VerificationLogger.log("PCDF", "secp256r1", pke, hash, se, result);
            return result;
        } catch (NoSuchAlgorithmException e) {
        // getLogger().error(e.getClass().getSimpleName() + " occurred when trying to get public key from raw bytes", e);
        // return null;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}

Example 12 with DLSequence

use of com.github.zhenwei.core.asn1.DLSequence in project keystore-explorer by kaikramer.

the class X509Ext method getQcStatementsStringValue.

private static String getQcStatementsStringValue(byte[] octets) throws IOException {
    // @formatter:off
    /*
			QCStatements ::= SEQUENCE OF QSStatement
		    QSStatement ::= SEQUENCE
		    {
		        statementId OBJECT IDENTIFIER,
		        statementInfo ANY DEFINED BY statementId OPTIONAL
		    }
		    QcEuLimitValue ::= MonetaryValue
			QcRetentionPeriod ::= INTEGER
		 */
    // @formatter:on
    StringBuilder sb = new StringBuilder();
    int qcStatementNr = 0;
    ASN1Sequence qcStatements = ASN1Sequence.getInstance(octets);
    for (ASN1Encodable asn1Encodable : qcStatements.toArray()) {
        QCStatement qcStatement = QCStatement.getInstance(asn1Encodable);
        ASN1ObjectIdentifier statementId = qcStatement.getStatementId();
        ASN1Encodable statementInfo = qcStatement.getStatementInfo();
        int indentLevel = 1;
        sb.append(MessageFormat.format(res.getString("QCStatement.QCStatement"), ++qcStatementNr));
        sb.append(NEWLINE);
        QcStatementType qcStatementType = QcStatementType.resolveOid(statementId.getId());
        switch(qcStatementType) {
            case QC_SYNTAX_V1:
            case QC_SYNTAX_V2:
                SemanticsInformation semanticsInfo = SemanticsInformation.getInstance(statementInfo);
                sb.append(getSemanticInformationValueString(qcStatementType, semanticsInfo, indentLevel));
                break;
            case QC_COMPLIANCE:
                // no statementInfo
                sb.append(INDENT.toString(indentLevel));
                sb.append(res.getString(QcStatementType.QC_COMPLIANCE.getResKey()));
                sb.append(NEWLINE);
                break;
            case QC_EU_LIMIT_VALUE:
                sb.append(INDENT.toString(indentLevel));
                sb.append(res.getString(QcStatementType.QC_EU_LIMIT_VALUE.getResKey()));
                sb.append(NEWLINE);
                sb.append(getMonetaryValueStringValue(statementInfo, indentLevel + 1));
                break;
            case QC_RETENTION_PERIOD:
                ASN1Integer asn1Integer = ASN1Integer.getInstance(statementInfo);
                sb.append(INDENT.toString(indentLevel));
                sb.append(MessageFormat.format(res.getString(QcStatementType.QC_RETENTION_PERIOD.getResKey()), asn1Integer.getValue().toString()));
                sb.append(NEWLINE);
                break;
            case QC_SSCD:
                // no statementInfo
                sb.append(INDENT.toString(indentLevel));
                sb.append(res.getString(QcStatementType.QC_SSCD.getResKey()));
                sb.append(NEWLINE);
                break;
            case QC_PDS:
                ASN1Sequence pdsLocations = ASN1Sequence.getInstance(statementInfo);
                sb.append(INDENT.toString(indentLevel));
                sb.append(res.getString(QcStatementType.QC_PDS.getResKey()));
                for (ASN1Encodable pdsLoc : pdsLocations) {
                    sb.append(NEWLINE);
                    sb.append(INDENT.toString(indentLevel + 1));
                    DLSequence pds = (DLSequence) pdsLoc;
                    sb.append(MessageFormat.format(res.getString("QCPDS.locations"), pds.getObjectAt(1), pds.getObjectAt(0)));
                }
                sb.append(NEWLINE);
                break;
            case QC_TYPE:
                sb.append(INDENT.toString(indentLevel));
                sb.append(res.getString(QcStatementType.QC_TYPE.getResKey()));
                ASN1Sequence qcTypes = ASN1Sequence.getInstance(statementInfo);
                for (ASN1Encodable type : qcTypes) {
                    sb.append(NEWLINE);
                    sb.append(INDENT.toString(indentLevel + 1));
                    sb.append(ObjectIdUtil.toString((ASN1ObjectIdentifier) type));
                }
                sb.append(NEWLINE);
                break;
            default:
                // unknown statement type
                sb.append(INDENT.toString(indentLevel));
                sb.append(ObjectIdUtil.toString(statementId));
                if (statementInfo != null) {
                    sb.append(statementInfo.toString());
                }
                sb.append(NEWLINE);
        }
    }
    return sb.toString();
}

Example 13 with DLSequence

use of com.github.zhenwei.core.asn1.DLSequence in project jmulticard by ctt-gob-es.

the class ContentInfo method toASN1Primitive.

/**
 * Produce an object suitable for an ASN1OutputStream.
 */
public ASN1Primitive toASN1Primitive() {
    ASN1EncodableVector v = new ASN1EncodableVector(2);
    v.add(contentType);
    if (content != null) {
        if (isDefiniteLength) {
            v.add(new DLTaggedObject(0, content));
        } else {
            v.add(new BERTaggedObject(0, content));
        }
    }
    return isDefiniteLength ? (ASN1Primitive) new DLSequence(v) : (ASN1Primitive) new BERSequence(v);
}

Example 14 with DLSequence

use of com.github.zhenwei.core.asn1.DLSequence in project signer by demoiselle.

the class BasicCertificate method getAuthorityKeyIdentifier.

/**
 * *
 *
 * @return the authority key identifier of a certificate
 */
public String getAuthorityKeyIdentifier() {
    // TODO - Precisa validar este metodo com a RFC
    try {
        DLSequence sequence = (DLSequence) getExtensionValue(Extension.authorityKeyIdentifier.getId());
        if (sequence == null || sequence.size() == 0) {
            return null;
        }
        DERTaggedObject taggedObject = (DERTaggedObject) sequence.getObjectAt(0);
        DEROctetString oct = (DEROctetString) taggedObject.getObject();
        return toString(oct.getOctets());
    } catch (Exception error) {
        logger.error(error.getMessage());
        return null;
    }
}

Example 15 with DLSequence

use of com.github.zhenwei.core.asn1.DLSequence in project signer by demoiselle.

the class BasicCertificate method getCertificateLevel.

/**
 * returns the ICP-BRASIL Certificate Level(A1, A2, A3, A4, S1, S2, S3,
 * S4).<br>
 * DOC-ICP-04 Returns the <b>null</b> value if the CertificatePolicies is
 * NOT present.
 *
 * @return String Certificate level
 */
public String getCertificateLevel() {
    try {
        DLSequence sequence = (DLSequence) getExtensionValue(Extension.certificatePolicies.getId());
        if (sequence != null) {
            for (int pos = 0; pos < sequence.size(); pos++) {
                DLSequence sequence2 = (DLSequence) sequence.getObjectAt(pos);
                ASN1ObjectIdentifier policyIdentifier = (ASN1ObjectIdentifier) sequence2.getObjectAt(0);
                PolicyInformation policyInformation = new PolicyInformation(policyIdentifier);
                String id = policyInformation.getPolicyIdentifier().getId();
                if (id == null) {
                    continue;
                }
                if (id.startsWith(OID_A1_CERTIFICATE)) {
                    return "A1";
                }
                if (id.startsWith(OID_A2_CERTIFICATE)) {
                    return "A2";
                }
                if (id.startsWith(OID_A3_CERTIFICATE)) {
                    return "A3";
                }
                if (id.startsWith(OID_A4_CERTIFICATE)) {
                    return "A4";
                }
                if (id.startsWith(OID_S1_CERTIFICATE)) {
                    return "S1";
                }
                if (id.startsWith(OID_S2_CERTIFICATE)) {
                    return "S2";
                }
                if (id.startsWith(OID_S3_CERTIFICATE)) {
                    return "S3";
                }
                if (id.startsWith(OID_S4_CERTIFICATE)) {
                    return "S4";
                }
            }
        }
        return null;
    } catch (Exception e) {
        logger.error(e.getMessage());
        return null;
    }
}