text: /* MIT License
   *
   * Copyright (c) 2016-2020 INRIA, CMU and Microsoft Corporation
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  
  #ifndef __EverCrypt_DRBG_H
  #define __EverCrypt_DRBG_H
  
  #if defined(__cplusplus)
  extern "C" {
  #endif
  
  #include <string.h>
  #include "krml/internal/types.h"
  #include "krml/lowstar_endianness.h"
  #include "krml/internal/target.h"
  
  
  #include "Lib_RandomBuffer_System.h"
  #include "Lib_Memzero0.h"
  #include "Hacl_Spec.h"
  #include "Hacl_HMAC_DRBG.h"
  #include "EverCrypt_HMAC.h"
  #include "evercrypt_targetconfig.h"
  #include "libintvector.h"
  /* SNIPPET_START: EverCrypt_DRBG_supported_alg */
  
  typedef Spec_Hash_Definitions_hash_alg EverCrypt_DRBG_supported_alg;
  
  /* SNIPPET_END: EverCrypt_DRBG_supported_alg */
  
  /* SNIPPET_START: EverCrypt_DRBG_reseed_interval */
  
  extern uint32_t EverCrypt_DRBG_reseed_interval;
  
  /* SNIPPET_END: EverCrypt_DRBG_reseed_interval */
  
  /* SNIPPET_START: EverCrypt_DRBG_max_output_length */
  
  extern uint32_t EverCrypt_DRBG_max_output_length;
  
  /* SNIPPET_END: EverCrypt_DRBG_max_output_length */
  
  /* SNIPPET_START: EverCrypt_DRBG_max_length */
  
  extern uint32_t EverCrypt_DRBG_max_length;
  
  /* SNIPPET_END: EverCrypt_DRBG_max_length */
  
  /* SNIPPET_START: EverCrypt_DRBG_max_personalization_string_length */
  
  extern uint32_t EverCrypt_DRBG_max_personalization_string_length;
  
  /* SNIPPET_END: EverCrypt_DRBG_max_personalization_string_length */
  
  /* SNIPPET_START: EverCrypt_DRBG_max_additional_input_length */
  
  extern uint32_t EverCrypt_DRBG_max_additional_input_length;
  
  /* SNIPPET_END: EverCrypt_DRBG_max_additional_input_length */
  
  /* SNIPPET_START: EverCrypt_DRBG_min_length */
  
  uint32_t EverCrypt_DRBG_min_length(Spec_Hash_Definitions_hash_alg a);
  
  /* SNIPPET_END: EverCrypt_DRBG_min_length */
  
  /* SNIPPET_START: EverCrypt_DRBG_state_s_tags */
  
  #define EverCrypt_DRBG_SHA1_s 0
  #define EverCrypt_DRBG_SHA2_256_s 1
  #define EverCrypt_DRBG_SHA2_384_s 2
  #define EverCrypt_DRBG_SHA2_512_s 3
  
  /* SNIPPET_END: EverCrypt_DRBG_state_s_tags */
  
  typedef uint8_t EverCrypt_DRBG_state_s_tags;
  
  /* SNIPPET_START: EverCrypt_DRBG_state_s */
  
  typedef struct EverCrypt_DRBG_state_s_s EverCrypt_DRBG_state_s;
  
  /* SNIPPET_END: EverCrypt_DRBG_state_s */
  
  /* SNIPPET_START: EverCrypt_DRBG_uu___is_SHA1_s */
  
  bool
  EverCrypt_DRBG_uu___is_SHA1_s(
    Spec_Hash_Definitions_hash_alg uu___,
    EverCrypt_DRBG_state_s projectee
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_uu___is_SHA1_s */
  
  /* SNIPPET_START: EverCrypt_DRBG_uu___is_SHA2_256_s */
  
  bool
  EverCrypt_DRBG_uu___is_SHA2_256_s(
    Spec_Hash_Definitions_hash_alg uu___,
    EverCrypt_DRBG_state_s projectee
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_uu___is_SHA2_256_s */
  
  /* SNIPPET_START: EverCrypt_DRBG_uu___is_SHA2_384_s */
  
  bool
  EverCrypt_DRBG_uu___is_SHA2_384_s(
    Spec_Hash_Definitions_hash_alg uu___,
    EverCrypt_DRBG_state_s projectee
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_uu___is_SHA2_384_s */
  
  /* SNIPPET_START: EverCrypt_DRBG_uu___is_SHA2_512_s */
  
  bool
  EverCrypt_DRBG_uu___is_SHA2_512_s(
    Spec_Hash_Definitions_hash_alg uu___,
    EverCrypt_DRBG_state_s projectee
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_uu___is_SHA2_512_s */
  
  /* SNIPPET_START: EverCrypt_DRBG_create */
  
  EverCrypt_DRBG_state_s *EverCrypt_DRBG_create(Spec_Hash_Definitions_hash_alg a);
  
  /* SNIPPET_END: EverCrypt_DRBG_create */
  
  /* SNIPPET_START: EverCrypt_DRBG_instantiate_sha1 */
  
  bool
  EverCrypt_DRBG_instantiate_sha1(
    EverCrypt_DRBG_state_s *st,
    uint8_t *personalization_string,
    uint32_t personalization_string_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_instantiate_sha1 */
  
  /* SNIPPET_START: EverCrypt_DRBG_instantiate_sha2_256 */
  
  bool
  EverCrypt_DRBG_instantiate_sha2_256(
    EverCrypt_DRBG_state_s *st,
    uint8_t *personalization_string,
    uint32_t personalization_string_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_instantiate_sha2_256 */
  
  /* SNIPPET_START: EverCrypt_DRBG_instantiate_sha2_384 */
  
  bool
  EverCrypt_DRBG_instantiate_sha2_384(
    EverCrypt_DRBG_state_s *st,
    uint8_t *personalization_string,
    uint32_t personalization_string_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_instantiate_sha2_384 */
  
  /* SNIPPET_START: EverCrypt_DRBG_instantiate_sha2_512 */
  
  bool
  EverCrypt_DRBG_instantiate_sha2_512(
    EverCrypt_DRBG_state_s *st,
    uint8_t *personalization_string,
    uint32_t personalization_string_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_instantiate_sha2_512 */
  
  /* SNIPPET_START: EverCrypt_DRBG_reseed_sha1 */
  
  bool
  EverCrypt_DRBG_reseed_sha1(
    EverCrypt_DRBG_state_s *st,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_reseed_sha1 */
  
  /* SNIPPET_START: EverCrypt_DRBG_reseed_sha2_256 */
  
  bool
  EverCrypt_DRBG_reseed_sha2_256(
    EverCrypt_DRBG_state_s *st,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_reseed_sha2_256 */
  
  /* SNIPPET_START: EverCrypt_DRBG_reseed_sha2_384 */
  
  bool
  EverCrypt_DRBG_reseed_sha2_384(
    EverCrypt_DRBG_state_s *st,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_reseed_sha2_384 */
  
  /* SNIPPET_START: EverCrypt_DRBG_reseed_sha2_512 */
  
  bool
  EverCrypt_DRBG_reseed_sha2_512(
    EverCrypt_DRBG_state_s *st,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_reseed_sha2_512 */
  
  /* SNIPPET_START: EverCrypt_DRBG_generate_sha1 */
  
  bool
  EverCrypt_DRBG_generate_sha1(
    uint8_t *output,
    EverCrypt_DRBG_state_s *st,
    uint32_t n,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_generate_sha1 */
  
  /* SNIPPET_START: EverCrypt_DRBG_generate_sha2_256 */
  
  bool
  EverCrypt_DRBG_generate_sha2_256(
    uint8_t *output,
    EverCrypt_DRBG_state_s *st,
    uint32_t n,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_generate_sha2_256 */
  
  /* SNIPPET_START: EverCrypt_DRBG_generate_sha2_384 */
  
  bool
  EverCrypt_DRBG_generate_sha2_384(
    uint8_t *output,
    EverCrypt_DRBG_state_s *st,
    uint32_t n,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_generate_sha2_384 */
  
  /* SNIPPET_START: EverCrypt_DRBG_generate_sha2_512 */
  
  bool
  EverCrypt_DRBG_generate_sha2_512(
    uint8_t *output,
    EverCrypt_DRBG_state_s *st,
    uint32_t n,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_generate_sha2_512 */
  
  /* SNIPPET_START: EverCrypt_DRBG_uninstantiate_sha1 */
  
  void EverCrypt_DRBG_uninstantiate_sha1(EverCrypt_DRBG_state_s *st);
  
  /* SNIPPET_END: EverCrypt_DRBG_uninstantiate_sha1 */
  
  /* SNIPPET_START: EverCrypt_DRBG_uninstantiate_sha2_256 */
  
  void EverCrypt_DRBG_uninstantiate_sha2_256(EverCrypt_DRBG_state_s *st);
  
  /* SNIPPET_END: EverCrypt_DRBG_uninstantiate_sha2_256 */
  
  /* SNIPPET_START: EverCrypt_DRBG_uninstantiate_sha2_384 */
  
  void EverCrypt_DRBG_uninstantiate_sha2_384(EverCrypt_DRBG_state_s *st);
  
  /* SNIPPET_END: EverCrypt_DRBG_uninstantiate_sha2_384 */
  
  /* SNIPPET_START: EverCrypt_DRBG_uninstantiate_sha2_512 */
  
  void EverCrypt_DRBG_uninstantiate_sha2_512(EverCrypt_DRBG_state_s *st);
  
  /* SNIPPET_END: EverCrypt_DRBG_uninstantiate_sha2_512 */
  
  /* SNIPPET_START: EverCrypt_DRBG_instantiate */
  
  bool
  EverCrypt_DRBG_instantiate(
    EverCrypt_DRBG_state_s *st,
    uint8_t *personalization_string,
    uint32_t personalization_string_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_instantiate */
  
  /* SNIPPET_START: EverCrypt_DRBG_reseed */
  
  bool
  EverCrypt_DRBG_reseed(
    EverCrypt_DRBG_state_s *st,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_reseed */
  
  /* SNIPPET_START: EverCrypt_DRBG_generate */
  
  bool
  EverCrypt_DRBG_generate(
    uint8_t *output,
    EverCrypt_DRBG_state_s *st,
    uint32_t n,
    uint8_t *additional_input,
    uint32_t additional_input_len
  );
  
  /* SNIPPET_END: EverCrypt_DRBG_generate */
  
  /* SNIPPET_START: EverCrypt_DRBG_uninstantiate */
  
  void EverCrypt_DRBG_uninstantiate(EverCrypt_DRBG_state_s *st);
  
  /* SNIPPET_END: EverCrypt_DRBG_uninstantiate */
  
  #if defined(__cplusplus)
  }
  #endif
  
  #define __EverCrypt_DRBG_H_DEFINED
  #endif
  