diff options
Diffstat (limited to 'id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/BPKBuilder.java')
-rw-r--r-- | id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/BPKBuilder.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/BPKBuilder.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/BPKBuilder.java new file mode 100644 index 000000000..6cc8c1be8 --- /dev/null +++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/auth/builder/BPKBuilder.java @@ -0,0 +1,49 @@ +package at.gv.egovernment.moa.id.auth.builder; + +import java.security.MessageDigest; + +import at.gv.egovernment.moa.id.BuildException; +import at.gv.egovernment.moa.util.Base64Utils; +import at.gv.egovernment.moa.util.Constants; + +/** + * Builder for the bPK, as defined in + * <code>"Ableitung f¨r die bereichsspezifische Personenkennzeichnung"</code> + * version <code>1.0.1</code> from <code>"reference.e-government.gv.at"</code>. + * + * @author Paul Schamberger + * @version $Id$ + */ +public class BPKBuilder { + + /** + * Builds the bPK from the given parameters. + * @param identificationValue Base64 encoded "Stammzahl" + * @param target "Bereich lt. Verordnung des BKA" + * @return bPK in a BASE64 encoding + * @throws BuildException if an error occurs on building the bPK + */ + public String buildBPK(String identificationValue, String target) + throws BuildException { + + if ((identificationValue == null || + identificationValue.length() == 0 || + target == null || + target.length() == 0)) + { + throw new BuildException("builder.00", + new Object[] {"BPK", "Unvollständige Parameterangaben: identificationValue=" + + identificationValue + ",target=" + target}); + } + String basisbegriff = identificationValue + "+" + Constants.URN_PREFIX_CDID + "+" + target; + try { + MessageDigest md = MessageDigest.getInstance("SHA-1"); + byte[] hash = md.digest(basisbegriff.getBytes("ISO-8859-1")); + String hashBase64 = Base64Utils.encode(hash); + return hashBase64; + } catch (Exception ex) { + throw new BuildException("builder.00", new Object[] {"BPK", ex.toString()}, ex); + } + } + +} |