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	diff --git a/key.cpp b/key.cpp
	index 1e934a69..c2c4f22a 100644
	--- a/key.cpp
	+++ b/key.cpp
	@@ -1,678 +1,682 @@
	/*
	key.cpp - wraps a gpgme key
	Copyright (C) 2003, 2005 Klarälvdalens Datakonsult AB

	This file is part of GPGME++.

	GPGME++ is free software; you can redistribute it and/or
	modify it under the terms of the GNU Library General Public
	License as published by the Free Software Foundation; either
	version 2 of the License, or (at your option) any later version.

	GPGME++ is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	GNU Library General Public License for more details.

	You should have received a copy of the GNU Library General Public License
	along with GPGME++; see the file COPYING.LIB. If not, write to the
	Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	Boston, MA 02110-1301, USA.
	*/

	#include <config-gpgme++.h>

	#include <gpgme++/key.h>

	#include "util.h"

	#include <gpgme.h>

	#include <string.h>

	GpgME::Key::Null GpgME::Key::null;

	namespace GpgME {

	Key::Key() : key() {}

	Key::Key( const Null & ) : key() {}

	Key::Key( const shared_gpgme_key_t & k ) : key( k ) {}

	Key::Key( gpgme_key_t k, bool ref )
	: key( k
	? shared_gpgme_key_t( k, &gpgme_key_unref )
	: shared_gpgme_key_t() )
	{
	if ( ref && impl() )
	gpgme_key_ref( impl() );
	}

	UserID Key::userID( unsigned int index ) const {
	return UserID( key, index );
	}

	Subkey Key::subkey( unsigned int index ) const {
	return Subkey( key, index );
	}


	unsigned int Key::numUserIDs() const {
	if ( !key )
	return 0;
	unsigned int count = 0;
	for ( gpgme_user_id_t uid = key->uids ; uid ; uid = uid->next )
	++count;
	return count;
	}

	unsigned int Key::numSubkeys() const {
	if ( !key )
	return 0;
	unsigned int count = 0;
	for ( gpgme_sub_key_t subkey = key->subkeys ; subkey ; subkey = subkey->next )
	++count;
	return count;
	}

	std::vector<UserID> Key::userIDs() const {
	if ( !key )
	return std::vector<UserID>();

	std::vector<UserID> v;
	v.reserve( numUserIDs() );
	for ( gpgme_user_id_t uid = key->uids ; uid ; uid = uid->next )
	v.push_back( UserID( key, uid ) );
	return v;
	}

	std::vector<Subkey> Key::subkeys() const {
	if ( !key )
	return std::vector<Subkey>();

	std::vector<Subkey> v;
	v.reserve( numSubkeys() );
	for ( gpgme_sub_key_t subkey = key->subkeys ; subkey ; subkey = subkey->next )
	v.push_back( Subkey( key, subkey ) );
	return v;
	}

	Key::OwnerTrust Key::ownerTrust() const {
	if ( !key )
	return Unknown;
	switch ( key->owner_trust ) {
	default:
	case GPGME_VALIDITY_UNKNOWN: return Unknown;
	case GPGME_VALIDITY_UNDEFINED: return Undefined;
	case GPGME_VALIDITY_NEVER: return Never;
	case GPGME_VALIDITY_MARGINAL: return Marginal;
	case GPGME_VALIDITY_FULL: return Full;
	case GPGME_VALIDITY_ULTIMATE: return Ultimate;
	}
	}
	char Key::ownerTrustAsString() const {
	if ( !key )
	return '?';
	switch ( key->owner_trust ) {
	default:
	case GPGME_VALIDITY_UNKNOWN: return '?';
	case GPGME_VALIDITY_UNDEFINED: return 'q';
	case GPGME_VALIDITY_NEVER: return 'n';
	case GPGME_VALIDITY_MARGINAL: return 'm';
	case GPGME_VALIDITY_FULL: return 'f';
	case GPGME_VALIDITY_ULTIMATE: return 'u';
	}
	}

	Protocol Key::protocol() const {
	if ( !key )
	return UnknownProtocol;
	switch ( key->protocol ) {
	case GPGME_PROTOCOL_CMS: return CMS;
	case GPGME_PROTOCOL_OpenPGP: return OpenPGP;
	default: return UnknownProtocol;
	}
	}

	const char * Key::protocolAsString() const {
	return key ? gpgme_get_protocol_name( key->protocol ) : 0 ;
	}

	bool Key::isRevoked() const {
	return key && key->revoked;
	}

	bool Key::isExpired() const {
	return key && key->expired;
	}

	bool Key::isDisabled() const {
	return key && key->disabled;
	}

	bool Key::isInvalid() const {
	return key && key->invalid;
	}

	bool Key::hasSecret() const {
	return key && key->secret;
	}

	bool Key::isRoot() const {
	return key && key->subkeys && key->subkeys->fpr && key->chain_id &&
	strcasecmp( key->subkeys->fpr, key->chain_id ) == 0;
	}

	bool Key::canEncrypt() const {
	return key && key->can_encrypt;
	}

	bool Key::canSign() const {
	#ifndef GPGME_CAN_SIGN_ON_SECRET_OPENPGP_KEYLISTING_NOT_BROKEN
	if ( key && key->protocol == GPGME_PROTOCOL_OpenPGP )
	return true;
	#endif
	return key && key->can_sign;
	}

	bool Key::canCertify() const {
	return key && key->can_certify;
	}

	bool Key::canAuthenticate() const {
	return key && key->can_authenticate;
	}

	bool Key::isQualified() const {
	#ifdef HAVE_GPGME_KEY_T_IS_QUALIFIED
	return key && key->is_qualified;
	#else
	return false;
	#endif
	}

	const char * Key::issuerSerial() const {
	return key ? key->issuer_serial : 0 ;
	}
	const char * Key::issuerName() const {
	return key ? key->issuer_name : 0 ;
	}
	const char * Key::chainID() const {
	return key ? key->chain_id : 0 ;
	}

	const char * Key::keyID() const {
	return key && key->subkeys ? key->subkeys->keyid : 0 ;
	}

	const char * Key::shortKeyID() const {
	if ( !key \|\| !key->subkeys \|\| !key->subkeys->keyid )
	return 0;
	const int len = strlen( key->subkeys->keyid );
	if ( len > 8 )
	return key->subkeys->keyid + len - 8; // return the last 8 bytes (in hex notation)
	else
	return key->subkeys->keyid ;
	}

	const char * Key::primaryFingerprint() const {
	- return key && key->subkeys ? key->subkeys->fpr : 0 ;
	+ const char * fpr = key && key->subkeys ? key->subkeys->fpr : 0 ;
	+ if ( fpr )
	+ return fpr;
	+ else
	+ return keyID();
	}

	unsigned int Key::keyListMode() const {
	return key ? convert_from_gpgme_keylist_mode_t( key->keylist_mode ) : 0 ;
	}

	const Key & Key::mergeWith( const Key & other ) {
	// ### incomplete. Just merges has* and can*, nothing else atm
	// ### detach also missing

	if ( !this->primaryFingerprint() \|\| !other.primaryFingerprint()
	\|\| strcasecmp( this->primaryFingerprint(), other.primaryFingerprint() ) != 0 )
	return *this; // only merge the Key object which describe the same key

	const gpgme_key_t me = impl();
	const gpgme_key_t him = other.impl();

	if ( !me \|\| !him )
	return *this;

	me->revoked \|= him->revoked;
	me->expired \|= him->expired;
	me->disabled \|= him->disabled;
	me->invalid \|= him->invalid;
	me->can_encrypt \|= him->can_encrypt;
	me->can_sign \|= him->can_sign;
	me->can_certify \|= him->can_certify;
	me->secret \|= him->secret;
	me->can_authenticate \|= him->can_authenticate;
	#ifdef HAVE_GPGME_KEY_T_IS_QUALIFIED
	me->is_qualified \|= him->is_qualified;
	#endif
	me->keylist_mode \|= him->keylist_mode;

	return *this;
	}

	//
	//
	// class Subkey
	//
	//

	gpgme_sub_key_t find_subkey( const shared_gpgme_key_t & key, unsigned int idx ) {
	if ( key )
	for ( gpgme_sub_key_t s = key->subkeys ; s ; s = s->next, --idx )
	if ( idx == 0 )
	return s;
	return 0;
	}

	gpgme_sub_key_t verify_subkey( const shared_gpgme_key_t & key, gpgme_sub_key_t subkey ) {
	if ( key )
	for ( gpgme_sub_key_t s = key->subkeys ; s ; s = s->next )
	if ( s == subkey )
	return subkey;
	return 0;
	}

	Subkey::Subkey() : key(), subkey( 0 ) {}

	Subkey::Subkey( const shared_gpgme_key_t & k, unsigned int idx )
	: key( k ), subkey( find_subkey( k, idx ) )
	{

	}

	Subkey::Subkey( const shared_gpgme_key_t & k, gpgme_sub_key_t sk )
	: key( k ), subkey( verify_subkey( k, sk ) )
	{

	}

	Key Subkey::parent() const {
	return Key( key );
	}

	const char * Subkey::keyID() const {
	return subkey ? subkey->keyid : 0 ;
	}

	const char * Subkey::fingerprint() const {
	return subkey ? subkey->fpr : 0 ;
	}

	unsigned int Subkey::publicKeyAlgorithm() const {
	return subkey ? subkey->pubkey_algo : 0 ;
	}

	const char * Subkey::publicKeyAlgorithmAsString() const {
	return gpgme_pubkey_algo_name( subkey ? subkey->pubkey_algo : (gpgme_pubkey_algo_t)0 );
	}

	bool Subkey::canEncrypt() const {
	return subkey && subkey->can_encrypt;
	}

	bool Subkey::canSign() const {
	return subkey && subkey->can_sign;
	}

	bool Subkey::canCertify() const {
	return subkey && subkey->can_certify;
	}

	bool Subkey::canAuthenticate() const {
	return subkey && subkey->can_authenticate;
	}

	bool Subkey::isQualified() const {
	#ifdef HAVE_GPGME_SUBKEY_T_IS_QUALIFIED
	return subkey && subkey->is_qualified;
	#else
	return false;
	#endif
	}

	bool Subkey::isCardKey() const {
	#ifdef HAVE_GPGME_SUBKEY_T_IS_CARDKEY
	return subkey && subkey->is_cardkey;
	#else
	return false;
	#endif
	}

	const char * Subkey::cardSerialNumber() const {
	#ifdef HAVE_GPGME_SUBKEY_T_IS_CARDKEY
	return subkey ? subkey->card_number : 0 ;
	#else
	return 0;
	#endif
	}

	bool Subkey::isSecret() const {
	return subkey && subkey->secret;
	}

	unsigned int Subkey::length() const {
	return subkey ? subkey->length : 0 ;
	}

	time_t Subkey::creationTime() const {
	return static_cast<time_t>( subkey ? subkey->timestamp : 0 );
	}

	time_t Subkey::expirationTime() const {
	return static_cast<time_t>( subkey ? subkey->expires : 0 );
	}

	bool Subkey::neverExpires() const {
	return expirationTime() == time_t(0);
	}

	bool Subkey::isRevoked() const {
	return subkey && subkey->revoked;
	}

	bool Subkey::isInvalid() const {
	return subkey && subkey->invalid;
	}

	bool Subkey::isExpired() const {
	return subkey && subkey->expired;
	}

	bool Subkey::isDisabled() const {
	return subkey && subkey->disabled;
	}

	//
	//
	// class UserID
	//
	//

	gpgme_user_id_t find_uid( const shared_gpgme_key_t & key, unsigned int idx ) {
	if ( key )
	for ( gpgme_user_id_t u = key->uids ; u ; u = u->next, --idx )
	if ( idx == 0 )
	return u;
	return 0;
	}

	gpgme_user_id_t verify_uid( const shared_gpgme_key_t & key, gpgme_user_id_t uid ) {
	if ( key )
	for ( gpgme_user_id_t u = key->uids ; u ; u = u->next )
	if ( u == uid )
	return uid;
	return 0;
	}

	UserID::UserID() : key(), uid( 0 ) {}

	UserID::UserID( const shared_gpgme_key_t & k, gpgme_user_id_t u )
	: key( k ), uid( verify_uid( k, u ) )
	{

	}

	UserID::UserID( const shared_gpgme_key_t & k, unsigned int idx )
	: key( k ), uid( find_uid( k, idx ) )
	{

	}

	Key UserID::parent() const {
	return Key( key );
	}

	UserID::Signature UserID::signature( unsigned int index ) const {
	return Signature( key, uid, index );
	}

	unsigned int UserID::numSignatures() const {
	if ( !uid )
	return 0;
	unsigned int count = 0;
	for ( gpgme_key_sig_t sig = uid->signatures ; sig ; sig = sig->next )
	++count;
	return count;
	}

	std::vector<UserID::Signature> UserID::signatures() const {
	if ( !uid )
	return std::vector<Signature>();

	std::vector<Signature> v;
	v.reserve( numSignatures() );
	for ( gpgme_key_sig_t sig = uid->signatures ; sig ; sig = sig->next )
	v.push_back( Signature( key, uid, sig ) );
	return v;
	}

	const char * UserID::id() const {
	return uid ? uid->uid : 0 ;
	}

	const char * UserID::name() const {
	return uid ? uid->name : 0 ;
	}

	const char * UserID::email() const {
	return uid ? uid->email : 0 ;
	}

	const char * UserID::comment() const {
	return uid ? uid->comment : 0 ;
	}

	UserID::Validity UserID::validity() const {
	if ( !uid )
	return Unknown;
	switch ( uid->validity ) {
	default:
	case GPGME_VALIDITY_UNKNOWN: return Unknown;
	case GPGME_VALIDITY_UNDEFINED: return Undefined;
	case GPGME_VALIDITY_NEVER: return Never;
	case GPGME_VALIDITY_MARGINAL: return Marginal;
	case GPGME_VALIDITY_FULL: return Full;
	case GPGME_VALIDITY_ULTIMATE: return Ultimate;
	}
	}

	char UserID::validityAsString() const {
	if ( !uid )
	return '?';
	switch ( uid->validity ) {
	default:
	case GPGME_VALIDITY_UNKNOWN: return '?';
	case GPGME_VALIDITY_UNDEFINED: return 'q';
	case GPGME_VALIDITY_NEVER: return 'n';
	case GPGME_VALIDITY_MARGINAL: return 'm';
	case GPGME_VALIDITY_FULL: return 'f';
	case GPGME_VALIDITY_ULTIMATE: return 'u';
	}
	}

	bool UserID::isRevoked() const {
	return uid && uid->revoked;
	}

	bool UserID::isInvalid() const {
	return uid && uid->invalid;
	}

	//
	//
	// class Signature
	//
	//

	gpgme_key_sig_t find_signature( gpgme_user_id_t uid, unsigned int idx ) {
	if ( uid )
	for ( gpgme_key_sig_t s = uid->signatures ; s ; s = s->next, --idx )
	if ( idx == 0 )
	return s;
	return 0;
	}

	gpgme_key_sig_t verify_signature( gpgme_user_id_t uid, gpgme_key_sig_t sig ) {
	if ( uid )
	for ( gpgme_key_sig_t s = uid->signatures ; s ; s = s->next )
	if ( s == sig )
	return sig;
	return 0;
	}


	UserID::Signature::Signature() : key(), uid( 0 ), sig( 0 ) {}

	UserID::Signature::Signature( const shared_gpgme_key_t & k, gpgme_user_id_t u, unsigned int idx )
	: key( k ), uid( verify_uid( k, u ) ), sig( find_signature( uid, idx ) )
	{

	}

	UserID::Signature::Signature( const shared_gpgme_key_t & k, gpgme_user_id_t u, gpgme_key_sig_t s )
	: key( k ), uid( verify_uid( k, u ) ), sig( verify_signature( uid, s ) )
	{

	}

	UserID UserID::Signature::parent() const {
	return UserID( key, uid );
	}

	const char * UserID::Signature::signerKeyID() const {
	return sig ? sig->keyid : 0 ;
	}

	const char * UserID::Signature::algorithmAsString() const {
	return gpgme_pubkey_algo_name( sig ? sig->pubkey_algo : (gpgme_pubkey_algo_t)0 );
	}

	unsigned int UserID::Signature::algorithm() const {
	return sig ? sig->pubkey_algo : 0 ;
	}

	time_t UserID::Signature::creationTime() const {
	return static_cast<time_t>( sig ? sig->timestamp : 0 );
	}

	time_t UserID::Signature::expirationTime() const {
	return static_cast<time_t>( sig ? sig->expires : 0 );
	}

	bool UserID::Signature::neverExpires() const {
	return expirationTime() == time_t(0);
	}

	bool UserID::Signature::isRevokation() const {
	return sig && sig->revoked;
	}

	bool UserID::Signature::isInvalid() const {
	return sig && sig->invalid;
	}

	bool UserID::Signature::isExpired() const {
	return sig && sig->expired;
	}

	bool UserID::Signature::isExportable() const {
	return sig && sig->exportable;
	}

	const char * UserID::Signature::signerUserID() const {
	return sig ? sig->uid : 0 ;
	}

	const char * UserID::Signature::signerName() const {
	return sig ? sig->name : 0 ;
	}

	const char * UserID::Signature::signerEmail() const {
	return sig ? sig->email : 0 ;
	}

	const char * UserID::Signature::signerComment() const {
	return sig ? sig->comment : 0 ;
	}

	unsigned int UserID::Signature::certClass() const {
	return sig ? sig->sig_class : 0 ;
	}

	UserID::Signature::Status UserID::Signature::status() const {
	if ( !sig )
	return GeneralError;

	switch ( gpgme_err_code(sig->status) ) {
	case GPG_ERR_NO_ERROR: return NoError;
	case GPG_ERR_SIG_EXPIRED: return SigExpired;
	case GPG_ERR_KEY_EXPIRED: return KeyExpired;
	case GPG_ERR_BAD_SIGNATURE: return BadSignature;
	case GPG_ERR_NO_PUBKEY: return NoPublicKey;
	default:
	case GPG_ERR_GENERAL: return GeneralError;
	}
	}

	std::string UserID::Signature::statusAsString() const {
	if ( !sig )
	return std::string();
	char buf[ 1024 ];
	gpgme_strerror_r( sig->status, buf, sizeof buf );
	buf[ sizeof buf - 1 ] = '\0';
	return std::string( buf );
	}

	GpgME::Notation UserID::Signature::notation( unsigned int idx ) const {
	if ( !sig )
	return GpgME::Notation();
	#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
	for ( gpgme_sig_notation_t nota = sig->notations ; nota ; nota = nota->next )
	if ( nota->name )
	if ( idx-- == 0 )
	return GpgME::Notation( nota );
	#endif
	return GpgME::Notation();
	}

	unsigned int UserID::Signature::numNotations() const {
	if ( !sig )
	return 0;
	unsigned int count = 0;
	#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
	for ( gpgme_sig_notation_t nota = sig->notations ; nota ; nota = nota->next )
	if ( nota->name ) ++count; // others are policy URLs...
	#endif
	return count;
	}

	std::vector<Notation> UserID::Signature::notations() const {
	if ( !sig )
	return std::vector<GpgME::Notation>();
	std::vector<GpgME::Notation> v;
	#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
	v.reserve( numNotations() );
	for ( gpgme_sig_notation_t nota = sig->notations ; nota ; nota = nota->next )
	if ( nota->name )
	v.push_back( GpgME::Notation( nota ) );
	#endif
	return v;
	}

	const char * UserID::Signature::policyURL() const {
	#ifdef HAVE_GPGME_KEY_SIG_NOTATIONS
	if ( !sig )
	return 0;
	for ( gpgme_sig_notation_t nota = sig->notations ; nota ; nota = nota->next )
	if ( !nota->name )
	return nota->value;
	#endif
	return 0;
	}

	} // namespace GpgME

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