From 682f23e7bb4a52bedf46eff5c4859e1308eda124 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:56:24 +0200 Subject: Update build ref --- polarssl/src/include/polarssl/gcm.h | 142 ------------------------------------ 1 file changed, 142 deletions(-) delete mode 100644 polarssl/src/include/polarssl/gcm.h (limited to 'polarssl/src/include/polarssl/gcm.h') diff --git a/polarssl/src/include/polarssl/gcm.h b/polarssl/src/include/polarssl/gcm.h deleted file mode 100644 index 2f88c70..0000000 --- a/polarssl/src/include/polarssl/gcm.h +++ /dev/null @@ -1,142 +0,0 @@ -/** - * \file gcm.h - * - * \brief Galois/Counter mode for AES - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -#ifndef POLARSSL_GCM_H -#define POLARSSL_GCM_H - -#include "aes.h" - -#include - -#define GCM_ENCRYPT 1 -#define GCM_DECRYPT 0 - -#define POLARSSL_ERR_GCM_AUTH_FAILED -0x0012 /**< Authenticated decryption failed. */ -#define POLARSSL_ERR_GCM_BAD_INPUT -0x0014 /**< Bad input parameters to function. */ - -/** - * \brief GCM context structure - */ -typedef struct { - aes_context aes_ctx; /*!< AES context used */ - uint64_t HL[16]; /*!< Precalculated HTable */ - uint64_t HH[16]; /*!< Precalculated HTable */ -} -gcm_context; - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * \brief GCM initialization (encryption) - * - * \param ctx GCM context to be initialized - * \param key encryption key - * \param keysize must be 128, 192 or 256 - * - * \return 0 if successful, or POLARSSL_ERR_AES_INVALID_KEY_LENGTH - */ -int gcm_init( gcm_context *ctx, const unsigned char *key, unsigned int keysize ); - -/** - * \brief GCM buffer encryption/decryption using AES - * - * \note On encryption, the output buffer can be the same as the input buffer. - * On decryption, the output buffer cannot be the same as input buffer. - * If buffers overlap, the output buffer must trail at least 8 bytes - * behind the input buffer. - * - * \param ctx GCM context - * \param mode GCM_ENCRYPT or GCM_DECRYPT - * \param length length of the input data - * \param iv initialization vector - * \param iv_len length of IV - * \param add additional data - * \param add_len length of additional data - * \param input buffer holding the input data - * \param output buffer for holding the output data - * \param tag_len length of the tag to generate - * \param tag buffer for holding the tag - * - * \return 0 if successful - */ -int gcm_crypt_and_tag( gcm_context *ctx, - int mode, - size_t length, - const unsigned char *iv, - size_t iv_len, - const unsigned char *add, - size_t add_len, - const unsigned char *input, - unsigned char *output, - size_t tag_len, - unsigned char *tag ); - -/** - * \brief GCM buffer authenticated decryption using AES - * - * \note On decryption, the output buffer cannot be the same as input buffer. - * If buffers overlap, the output buffer must trail at least 8 bytes - * behind the input buffer. - * - * \param ctx GCM context - * \param length length of the input data - * \param iv initialization vector - * \param iv_len length of IV - * \param add additional data - * \param add_len length of additional data - * \param tag buffer holding the tag - * \param tag_len length of the tag - * \param input buffer holding the input data - * \param output buffer for holding the output data - * - * \return 0 if successful and authenticated, - * POLARSSL_ERR_GCM_AUTH_FAILED if tag does not match - */ -int gcm_auth_decrypt( gcm_context *ctx, - size_t length, - const unsigned char *iv, - size_t iv_len, - const unsigned char *add, - size_t add_len, - const unsigned char *tag, - size_t tag_len, - const unsigned char *input, - unsigned char *output ); - -/** - * \brief Checkup routine - * - * \return 0 if successful, or 1 if the test failed - */ -int gcm_self_test( int verbose ); - -#ifdef __cplusplus -} -#endif - -#endif /* gcm.h */ -- cgit v1.2.3