@Override
public String getNewTicketId(final String prefix) {
if (saml2compliant) {
return new SAML2ArtifactType0004(ENDPOINT_ID, newAssertionHandle(), sourceIdDigest).base64Encode();
} else {
return new SAML1ArtifactType0001(this.sourceIdDigest, newAssertionHandle()).base64Encode();
}
}