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package org.openslx.imagemaster.db.models;
import java.math.BigInteger;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.spec.InvalidKeySpecException;
import org.apache.log4j.Logger;
import org.openslx.encryption.AsymKeyHolder;
public class LocalOrganization
{
private static final Logger LOGGER = Logger.getLogger( LocalOrganization.class );
private PublicKey publickey;
private String publickeyString;
private String name;
/**
* Get the public key of this organization, if known and valid.
*
* @return Public key, null on error or not known
*/
public PublicKey getPubkey()
{
if ( publickey == null && publickeyString != null ) {
String parts[] = publickeyString.split( " " );
BigInteger mod = null;
BigInteger exp = null;
for ( int i = 0; i < parts.length; ++i ) {
if ( parts[i].startsWith( "mod:" ) ) {
// modulus found.
mod = new BigInteger( parts[i].substring( 4 ) );
}
if ( parts[i].startsWith( "exp:" ) ) {
// exponent found.
exp = new BigInteger( parts[i].substring( 4 ) );
}
}
if ( mod == null ) {
LOGGER.error( "No modulus for building public key was found." );
return null;
}
if ( exp == null ) {
LOGGER.error( "No public exponent for building public key was found." );
return null;
}
try {
publickey = new AsymKeyHolder( null, exp, mod ).getPublicKey();
} catch ( InvalidKeySpecException | NoSuchAlgorithmException e ) {
LOGGER.info( "PubKey of " + this.name + " is not valid.", e );
} catch ( NumberFormatException e ) {
LOGGER.info( "PubKey of " + this.name + " is corrupted in database!", e );
}
}
return publickey;
}
}
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