1 | /*
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2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #ifndef HEADER_RAND_H
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11 | # define HEADER_RAND_H
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12 |
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13 | # include <stdlib.h>
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14 | # include <openssl/ossl_typ.h>
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15 | # include <openssl/e_os2.h>
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16 |
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17 | #ifdef __cplusplus
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18 | extern "C" {
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19 | #endif
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20 |
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21 | /* Already defined in ossl_typ.h */
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22 | /* typedef struct rand_meth_st RAND_METHOD; */
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23 |
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24 | struct rand_meth_st {
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25 | int (*seed) (const void *buf, int num);
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26 | int (*bytes) (unsigned char *buf, int num);
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27 | void (*cleanup) (void);
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28 | int (*add) (const void *buf, int num, double entropy);
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29 | int (*pseudorand) (unsigned char *buf, int num);
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30 | int (*status) (void);
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31 | };
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32 |
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33 | # ifdef BN_DEBUG
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34 | extern int rand_predictable;
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35 | # endif
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36 |
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37 | int RAND_set_rand_method(const RAND_METHOD *meth);
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38 | const RAND_METHOD *RAND_get_rand_method(void);
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39 | # ifndef OPENSSL_NO_ENGINE
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40 | int RAND_set_rand_engine(ENGINE *engine);
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41 | # endif
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42 | RAND_METHOD *RAND_OpenSSL(void);
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43 | #if OPENSSL_API_COMPAT < 0x10100000L
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44 | # define RAND_cleanup() while(0) continue
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45 | #endif
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46 | int RAND_bytes(unsigned char *buf, int num);
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47 | DEPRECATEDIN_1_1_0(int RAND_pseudo_bytes(unsigned char *buf, int num))
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48 | void RAND_seed(const void *buf, int num);
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49 | #if defined(__ANDROID__) && defined(__NDK_FPABI__)
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50 | __NDK_FPABI__ /* __attribute__((pcs("aapcs"))) on ARM */
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51 | #endif
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52 | void RAND_add(const void *buf, int num, double entropy);
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53 | int RAND_load_file(const char *file, long max_bytes);
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54 | int RAND_write_file(const char *file);
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55 | const char *RAND_file_name(char *file, size_t num);
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56 | int RAND_status(void);
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57 | # ifndef OPENSSL_NO_EGD
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58 | int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
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59 | int RAND_egd(const char *path);
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60 | int RAND_egd_bytes(const char *path, int bytes);
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61 | # endif
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62 | int RAND_poll(void);
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63 |
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64 | #if defined(_WIN32) && (defined(BASETYPES) || defined(_WINDEF_H))
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65 | /* application has to include <windows.h> in order to use these */
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66 | DEPRECATEDIN_1_1_0(void RAND_screen(void))
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67 | DEPRECATEDIN_1_1_0(int RAND_event(UINT, WPARAM, LPARAM))
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68 | #endif
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69 |
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70 | /* BEGIN ERROR CODES */
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71 | /*
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72 | * The following lines are auto generated by the script mkerr.pl. Any changes
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73 | * made after this point may be overwritten when the script is next run.
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74 | */
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75 |
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76 | int ERR_load_RAND_strings(void);
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77 |
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78 | /* Error codes for the RAND functions. */
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79 |
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80 | /* Function codes. */
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81 | # define RAND_F_RAND_BYTES 100
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82 |
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83 | /* Reason codes. */
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84 | # define RAND_R_PRNG_NOT_SEEDED 100
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85 |
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86 | # ifdef __cplusplus
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87 | }
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88 | # endif
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89 | #endif
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