Package org.apache.geronimo.crypto.asn1.x509

Examples of org.apache.geronimo.crypto.asn1.x509.Time

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     * @param validToDate Certificate validity period end date
     * @param algorithm Signature algorithm for the certificate
     * @return issued certificate
     */
    private Certificate issueCertificate(X509Name subName, X509Name caName, BigInteger serialNum, PublicKey subPubKey, PrivateKey caPriKey, Date validFromDate, Date validToDate, String algorithm) throws Exception {
        AlgorithmIdentifier algId = null;
        if("MD2withRSA".equalsIgnoreCase(algorithm))
            algId = new AlgorithmIdentifier(PKCSObjectIdentifiers.md2WithRSAEncryption);
        else if("MD5withRSA".equalsIgnoreCase(algorithm))
            algId = new AlgorithmIdentifier(PKCSObjectIdentifiers.md5WithRSAEncryption);
        else if("SHA1withRSA".equalsIgnoreCase(algorithm))
            algId = new AlgorithmIdentifier(PKCSObjectIdentifiers.sha1WithRSAEncryption);
        else
            throw new CertificationAuthorityException("Signature algorithm "+algorithm+" is not supported.");
       
        ASN1InputStream ais = new ASN1InputStream(subPubKey.getEncoded());
        DERObject subPubkeyDerObj = ais.readObject();
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    /**
     * This method creates a java.security.PublicKey object based on the public key information given in SubjectPublicKeyInfo
     * @param pubKeyInfo SubjectPublicKeyInfo instance containing the public key information.
     */
    public static PublicKey getPublicKeyObject(SubjectPublicKeyInfo pubKeyInfo) throws Exception{
        RSAPublicKeyStructure pubkeyStruct = new RSAPublicKeyStructure((ASN1Sequence)pubKeyInfo.getPublicKey());
        RSAPublicKeySpec pubkeySpec = new RSAPublicKeySpec(pubkeyStruct.getModulus(), pubkeyStruct.getPublicExponent());
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        PublicKey pubKey = keyFactory.generatePublic(pubkeySpec);
        return pubKey;
    }
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    /**
     * This method creates a java.security.PublicKey object based on the public key information given in SubjectPublicKeyInfo
     * @param pubKeyInfo SubjectPublicKeyInfo instance containing the public key information.
     */
    public static PublicKey getPublicKeyObject(SubjectPublicKeyInfo pubKeyInfo) throws Exception{
        RSAPublicKeyStructure pubkeyStruct = new RSAPublicKeyStructure((ASN1Sequence)pubKeyInfo.getPublicKey());
        RSAPublicKeySpec pubkeySpec = new RSAPublicKeySpec(pubkeyStruct.getModulus(), pubkeyStruct.getPublicExponent());
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        PublicKey pubKey = keyFactory.generatePublic(pubkeySpec);
        return pubKey;
    }
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    /**
     * This method creates a java.security.PublicKey object based on the public key information given in SubjectPublicKeyInfo
     * @param pubKeyInfo SubjectPublicKeyInfo instance containing the public key information.
     */
    public static PublicKey getPublicKeyObject(SubjectPublicKeyInfo pubKeyInfo) throws Exception{
        RSAPublicKeyStructure pubkeyStruct = new RSAPublicKeyStructure((ASN1Sequence)pubKeyInfo.getPublicKey());
        RSAPublicKeySpec pubkeySpec = new RSAPublicKeySpec(pubkeyStruct.getModulus(), pubkeyStruct.getPublicExponent());
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        PublicKey pubKey = keyFactory.generatePublic(pubkeySpec);
        return pubKey;
    }
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        // SPKAC = SEQ {PKAC, SIGN-ALG, SIGN}
        // Get PKAC and obtain PK and C
        DERSequence pkacSeq = (DERSequence)spkacSeq.getObjectAt(0);
        DERObject pk = (DERObject)pkacSeq.getObjectAt(0);
        DERObject ch = (DERObject)pkacSeq.getObjectAt(1);
        SubjectPublicKeyInfo pkInfo = new SubjectPublicKeyInfo((DERSequence)pk);
        PublicKey pubKey =  getPublicKeyObject(pkInfo);

        // Get SIGN-ALG
        DERSequence signAlg = (DERSequence) spkacSeq.getObjectAt(1);
        DERObject alg0 = (DERObject)signAlg.getObjectAt(0);
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        // SPKAC = SEQ {PKAC, SIGN-ALG, SIGN}
        // Get PKAC and obtain PK and C
        DERSequence pkacSeq = (DERSequence)spkacSeq.getObjectAt(0);
        DERObject pk = (DERObject)pkacSeq.getObjectAt(0);
        DERObject ch = (DERObject)pkacSeq.getObjectAt(1);
        SubjectPublicKeyInfo pkInfo = new SubjectPublicKeyInfo((DERSequence)pk);
        PublicKey pubKey =  getPublicKeyObject(pkInfo);

        // Get SIGN-ALG
        DERSequence signAlg = (DERSequence) spkacSeq.getObjectAt(1);
        DERObject alg0 = (DERObject)signAlg.getObjectAt(0);
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        // SPKAC = SEQ {PKAC, SIGN-ALG, SIGN}
        // Get PKAC and obtain PK and C
        DERSequence pkacSeq = (DERSequence)spkacSeq.getObjectAt(0);
        DERObject pk = (DERObject)pkacSeq.getObjectAt(0);
        DERObject ch = (DERObject)pkacSeq.getObjectAt(1);
        SubjectPublicKeyInfo pkInfo = new SubjectPublicKeyInfo((DERSequence)pk);
        PublicKey pubKey =  getPublicKeyObject(pkInfo);

        // Get SIGN-ALG
        DERSequence signAlg = (DERSequence) spkacSeq.getObjectAt(1);
        DERObject alg0 = (DERObject)signAlg.getObjectAt(0);
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        else
            throw new CertificationAuthorityException("Signature algorithm "+algorithm+" is not supported.");
       
        ASN1InputStream ais = new ASN1InputStream(subPubKey.getEncoded());
        DERObject subPubkeyDerObj = ais.readObject();
        SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(subPubkeyDerObj);
       
        // Create certificate generator and initialize fields
        // Certificate version is v3
        V3TBSCertificateGenerator v3certGen = new V3TBSCertificateGenerator();
        // Subject info
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        // Issuer info
        v3certGen.setIssuer(caName);
        // serial number
        v3certGen.setSerialNumber(new DERInteger(serialNum));
        // validity
        v3certGen.setStartDate(new Time(validFromDate));
        v3certGen.setEndDate(new Time(validToDate));
        // signature algorithm
        v3certGen.setSignature(algId);
       
        // Get the certificate info to be signed
        TBSCertificateStructure tbsCert = v3certGen.generateTBSCertificate();
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        // Issuer info
        v3certGen.setIssuer(caName);
        // serial number
        v3certGen.setSerialNumber(new DERInteger(serialNum));
        // validity
        v3certGen.setStartDate(new Time(validFromDate));
        v3certGen.setEndDate(new Time(validToDate));
        // signature algorithm
        v3certGen.setSignature(algId);
       
        // Get the certificate info to be signed
        TBSCertificateStructure tbsCert = v3certGen.generateTBSCertificate();
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Related Classes of org.apache.geronimo.crypto.asn1.x509.Time

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  • org.apache.geronimo.corba.util.Util
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  • org.apache.geronimo.crypto.asn1.DERBitString
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