src/libstrongswan/plugins/ntru/ntru_crypto/ntru_crypto_hash_basics.h

   1 /******************************************************************************
   2  * NTRU Cryptography Reference Source Code
   3  * Copyright (c) 2009-2013, by Security Innovation, Inc. All rights reserved.
   4  *
   5  * ntru_crypto_hash_basics.c is a component of ntru-crypto.
   6  *
   7  * Copyright (C) 2009-2013  Security Innovation
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  22  *
  23  *****************************************************************************/
  24
  25 /******************************************************************************
  26  *
  27  * File: ntru_crypto_hash_basics.h
  28  *
  29  * Contents: Common definitions for all hash algorithms.
  30  *
  31  *****************************************************************************/
  32
  33 #ifndef NTRU_CRYPTO_HASH_BASICS_H
  34 #define NTRU_CRYPTO_HASH_BASICS_H
  35
  36 #include "ntru_crypto_platform.h"
  37
  38
  39 /**************
  40  * algorithms *
  41  **************/
  42
  43 typedef enum {
  44     NTRU_CRYPTO_HASH_ALGID_NONE = 0,
  45     NTRU_CRYPTO_HASH_ALGID_SHA1,
  46     NTRU_CRYPTO_HASH_ALGID_SHA256,
  47 } NTRU_CRYPTO_HASH_ALGID;
  48
  49
  50 /***************
  51  * error codes *
  52  ***************/
  53
  54 #define NTRU_CRYPTO_HASH_OK              ((uint32_t)0x00)
  55 #define NTRU_CRYPTO_HASH_FAIL            ((uint32_t)0x01)
  56 #define NTRU_CRYPTO_HASH_BAD_PARAMETER   ((uint32_t)0x02)
  57 #define NTRU_CRYPTO_HASH_OVERFLOW        ((uint32_t)0x03)
  58 #define NTRU_CRYPTO_HASH_BAD_ALG         ((uint32_t)0x20)
  59 #define NTRU_CRYPTO_HASH_OUT_OF_MEMORY   ((uint32_t)0x21)
  60
  61 // For backward-compatibility
  62 typedef uint32_t NTRU_CRYPTO_HASH_ERROR;
  63
  64
  65 /*********
  66  * flags *
  67  *********/
  68
  69 #define HASH_DATA_ONLY      0
  70 #define HASH_INIT           (1 << 0)
  71 #define HASH_FINISH         (1 << 1)
  72 #define HASH_ZERO_PAD       (1 << 2)
  73
  74
  75 #endif /* NTRU_CRYPTO_HASH_BASICS_H */