70 lines
3.3 KiB
C
70 lines
3.3 KiB
C
//==============================================================================
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// This file is part of Master Password.
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// Copyright (c) 2011-2017, Maarten Billemont.
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//
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// Master Password is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Master Password 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
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// GNU General Public License for more details.
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//
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// You can find a copy of the GNU General Public License in the
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// LICENSE file. Alternatively, see <http://www.gnu.org/licenses/>.
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//==============================================================================
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// NOTE: mpw is currently NOT thread-safe.
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#include "mpw-types.h"
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#ifndef _MPW_ALGORITHM_H
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#define _MPW_ALGORITHM_H
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typedef enum( unsigned int, MPAlgorithmVersion ) {
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/** V0 did math with chars whose signedness was platform-dependent. */
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MPAlgorithmVersion0,
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/** V1 miscounted the byte-length of multi-byte site names. */
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MPAlgorithmVersion1,
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/** V2 miscounted the byte-length of multi-byte user names. */
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MPAlgorithmVersion2,
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/** V3 is the current version. */
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MPAlgorithmVersion3,
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MPAlgorithmVersionCurrent = MPAlgorithmVersion3,
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MPAlgorithmVersionFirst = MPAlgorithmVersion0,
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MPAlgorithmVersionLast = MPAlgorithmVersion3,
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};
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/** Derive the master key for a user based on their name and master password.
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* @return A new MPMasterKeySize-byte allocated buffer or NULL if an error occurred. */
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MPMasterKey mpw_masterKey(
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const char *fullName, const char *masterPassword, const MPAlgorithmVersion algorithmVersion);
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/** Derive the site key for a user's site from the given master key and site parameters.
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* @return A new MPSiteKeySize-byte allocated buffer or NULL if an error occurred. */
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MPSiteKey mpw_siteKey(
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MPMasterKey masterKey, const char *siteName, const MPCounterValue siteCounter,
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const MPKeyPurpose keyPurpose, const char *keyContext, const MPAlgorithmVersion algorithmVersion);
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/** Generate a site result token from the given parameters.
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* @param resultParam A parameter for the resultType. For stateful result types, the output of mpw_siteState.
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* @return A newly allocated string or NULL if an error occurred. */
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const char *mpw_siteResult(
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MPMasterKey masterKey, const char *siteName, const MPCounterValue siteCounter,
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const MPKeyPurpose keyPurpose, const char *keyContext,
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const MPResultType resultType, const char *resultParam,
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const MPAlgorithmVersion algorithmVersion);
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/** Encrypt a stateful site token for persistence.
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* @param resultParam A parameter for the resultType. For stateful result types, the desired mpw_siteResult.
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* @return A newly allocated string or NULL if an error occurred. */
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const char *mpw_siteState(
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MPMasterKey masterKey, const char *siteName, const MPCounterValue siteCounter,
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const MPKeyPurpose keyPurpose, const char *keyContext,
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const MPResultType resultType, const char *resultParam,
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const MPAlgorithmVersion algorithmVersion);
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#endif // _MPW_ALGORITHM_H
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