mphell-drbg_types.h

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/* 
  MPHELL-5.0 
  Author(s): The MPHELL team
 
 (C) Copyright 2015-2021 - Institut Fourier / Univ. Grenoble Alpes (France) 
 
 This file is part of the MPHELL Library.
 MPHELL is free software: you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation, version 3 of the License.
 
 MPHELL 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 Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with MPHELL.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#include "mphell-entropy.h"
 
#ifndef DRBG_TYPES_H
#define DRBG_TYPES_H
 
typedef struct {
    uint8_t *V;                 
    uint8_t *C_Key;             
    uint32_t reseed_counter;    
} drbg_working_state_t;
 
typedef drbg_working_state_t drbg_working_state[1];
 
enum drbg_algorithm {
    DRBG_UNSET,     
    DRBG_SHA1,      
    DRBG_SHA256,    
    DRBG_SHA512,    
    DRBG_AES128,    
    DRBG_AES192,    
    DRBG_AES256     
};
 
typedef enum drbg_algorithm drbg_type;
 
typedef struct {
    uint8_t  seedlen;            
    uint8_t  outlen;             
    uint8_t  security_strength;  
    uint64_t reseed_interval;    
} drbg_info_data_t;
 
typedef drbg_info_data_t drbg_info_data[1];
 
#define DRBG_MAX_INTERNAL_STATES 10
 
typedef struct {
    drbg_working_state state;   
    drbg_info_data info;        
    drbg_type type;             
    entropy_type entropy_src;   
} drbg_internal_state_t;
 
typedef drbg_internal_state_t drbg_internal_state[1];
 
#endif