5abe99d228
Mass-typo fixing, almost exclusively in comments and text strings. While at it also fixed a few (very few) grammar errors.
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/*
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* Copyright (C) 2012-2015 Frank Morgner
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*
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* This file is part of OpenSC.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* @file
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* @defgroup sm Interface to Secure Messaging (SM) defined in ISO 7816
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* @{
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*/
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#ifndef _ISO_SM_INTERNAL_H
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#define _ISO_SM_INTERNAL_H
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#include "libopensc/opensc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* @brief Protect an APDU with Secure Messaging
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*
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* If secure messaging (SM) is activated in \a sctx and \a apdu is not already
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* SM protected, \a apdu is processed with the following steps:
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* \li call to \a sctx->pre_transmit
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* \li encrypt \a apdu calling \a sctx->encrypt
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* \li authenticate \a apdu calling \a sctx->authenticate
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* \li copy the SM protected data to \a sm_apdu
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*
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* Data for authentication or encryption is always padded before the callback
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* functions are called
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*
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* @param[in] card
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* @param[in] apdu
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* @param[in,out] sm_apdu
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*
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* @return \c SC_SUCCESS or error code if an error occurred
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*/
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int iso_get_sm_apdu(struct sc_card *card, struct sc_apdu *apdu, struct sc_apdu **sm_apdu);
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/* @brief Remove Secure Messaging from an APDU
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*
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* If secure messaging (SM) is activated in \a sctx and \a apdu is not already
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* SM protected, \a apdu is processed with the following steps:
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* \li verify SM protected \a apdu calling \a sctx->verify_authentication
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* \li decrypt SM protected \a apdu calling \a sctx->decrypt
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* \li copy decrypted/authenticated data and status bytes to \a apdu
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*
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* Callback functions must not remove padding.
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*
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* @param[in] card
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* @param[in,out] apdu
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* @param[in,out] sm_apdu will be freed when done.
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*
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* @return \c SC_SUCCESS or error code if an error occurred
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*/
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int iso_free_sm_apdu(struct sc_card *card, struct sc_apdu *apdu, struct sc_apdu **sm_apdu);
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/**
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* @brief Cleans up allocated resources of the ISO SM driver
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*
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* \c iso_sm_close() is designed as SM card operation. However, have in mind
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* that this card operation is not called automatically for \c
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* sc_disconnect_card() .
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*
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* @param[in] card
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*
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* @return \c SC_SUCCESS or error code if an error occurred
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*/
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int iso_sm_close(struct sc_card *card);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* @} */
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