Example usage for org.bouncycastle.asn1 DEROctetString toString

Introduction

In this page you can find the example usage for org.bouncycastle.asn1 DEROctetString toString.

Prototype

public String toString() 

Source Link

Usage

From source file:org.ejbca.core.protocol.MSPKCS10RequestMessage.java

License:Open Source License

/**
 * Returns a String vector with known subject altnames:
 *   [0] Requested GUID//from w  ww.  ja v a2 s .c  o m
 *   [1] Requested DNS
 */
public String[] getMSRequestInfoSubjectAltnames() {
    String[] ret = new String[2]; // GUID, DNS so far..
    if (pkcs10 == null) {
        log.error("PKCS10 not inited!");
        return ret;
    }
    // Get attributes
    Attribute[] attributes = pkcs10.getAttributes(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest);
    if (attributes.length != 0) {
        ASN1Set set = attributes[0].getAttrValues();
        DERSequence seq = (DERSequence) DERSequence.getInstance(set.getObjectAt(0));
        Enumeration<?> enumeration = seq.getObjects();
        while (enumeration.hasMoreElements()) {
            DERSequence seq2 = (DERSequence) DERSequence.getInstance(enumeration.nextElement());
            ASN1ObjectIdentifier oid = (ASN1ObjectIdentifier) seq2.getObjectAt(0);
            if ("2.5.29.17".equals(oid.getId())) { //SubjectAN
                try {
                    DEROctetString dos = (DEROctetString) seq2.getObjectAt(2);
                    ASN1InputStream ais = new ASN1InputStream(new ByteArrayInputStream(dos.getOctets()));
                    while (ais.available() > 0) {
                        DERSequence seq3 = (DERSequence) ais.readObject();
                        Enumeration<?> enum1 = seq3.getObjects();
                        while (enum1.hasMoreElements()) {
                            DERTaggedObject dto = (DERTaggedObject) enum1.nextElement();
                            if (dto.getTagNo() == 0) {
                                // Sequence of OIDs and tagged objects
                                DERSequence ds = (DERSequence) dto.getObject();
                                ASN1ObjectIdentifier doid = (ASN1ObjectIdentifier) ds.getObjectAt(0);
                                if (OID_GUID.equals((doid).getId())) {
                                    DEROctetString dos3 = (DEROctetString) ((DERTaggedObject) ds.getObjectAt(1))
                                            .getObject();
                                    ret[0] = dos3.toString().substring(1); // Removes the initial #-sign
                                }
                            } else if (dto.getTagNo() == 2) {
                                // DNS
                                DEROctetString dos3 = (DEROctetString) dto.getObject();
                                ret[1] = new String(dos3.getOctets());
                            }
                        }
                    }
                    ais.close();
                } catch (IOException e) {
                    log.error(e);
                }
            }
        }
    }
    return ret;
}

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