Example usage for org.bouncycastle.asn1.icao LDSSecurityObject getInstance

Introduction

In this page you can find the example usage for org.bouncycastle.asn1.icao LDSSecurityObject getInstance.

Prototype

public static LDSSecurityObject getInstance(Object obj) 

Source Link

Usage

From source file:org.jmrtd.lds.SODFile.java

License:Open Source License

/**
 * Reads the security object (containing the hashes
 * of the data groups) found in the SignedData field.
 *
 * @return the security object//from  ww w.j a  va 2 s  . c o  m
 *
 * @throws IOException
 */
private static LDSSecurityObject getLDSSecurityObject(SignedData signedData) {
    try {
        ContentInfo encapContentInfo = signedData.getEncapContentInfo();
        String contentType = encapContentInfo.getContentType().getId();
        DEROctetString eContent = (DEROctetString) encapContentInfo.getContent();
        if (!(ICAO_LDS_SOD_OID.equals(contentType) || SDU_LDS_SOD_OID.equals(contentType)
                || ICAO_LDS_SOD_ALT_OID.equals(contentType))) {
            LOGGER.warning("SignedData does not appear to contain an LDS SOd. (content type is " + contentType
                    + ", was expecting " + ICAO_LDS_SOD_OID + ")");
        }
        ASN1InputStream inputStream = new ASN1InputStream(new ByteArrayInputStream(eContent.getOctets()));

        Object firstObject = inputStream.readObject();
        if (!(firstObject instanceof ASN1Sequence)) {
            throw new IllegalStateException(
                    "Expected ASN1Sequence, found " + firstObject.getClass().getSimpleName());
        }
        LDSSecurityObject sod = LDSSecurityObject.getInstance(firstObject);
        Object nextObject = inputStream.readObject();
        if (nextObject != null) {
            LOGGER.warning("Ignoring extra object found after LDSSecurityObject...");
        }
        return sod;
    } catch (IOException ioe) {
        throw new IllegalStateException("Could not read security object in signedData");
    }
}

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From source file:org.poreid.verify.sod.SOD.java

License:Open Source License

protected SOD(byte[] sod, KeyStore keystore) throws SODException {
    try {// w  w  w .j  a v  a2 s  .c om
        cms = new CMSSignedData(sod);
        lds = LDSSecurityObject.getInstance(cms.getSignedContent().getContent());
        this.keystore = keystore;
    } catch (CMSException ex) {
        throw new SODException("no foi possivel instanciar o SOD", ex);
    }
}

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