random.c File Reference

Random module implementation file. More...

#include "random.h"
#include "mcl/mcl_random.h"
#include "memory.h"
#include "security.h"
#include "definitions.h"
#include "log_util.h"

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Data Structures
union	guid_t

Macros
#define	GUID_LENGTH   36

Functions
E_MCL_ERROR_CODE	mcl_random_generate_guid (char **guid)
	Generates globally unique identifier. More...
E_MCL_ERROR_CODE	random_generate_number (mcl_uint32_t *random_number)
	Generates random integer number. More...
mcl_uint8_t *	random_generate_array (mcl_size_t size)
	Generates an array of random numbers. More...
E_MCL_ERROR_CODE	random_generate_guid (string_t **guid)
	Generates random guid. More...

Detailed Description

Random module implementation file.

---

Copyright

Copyright (C) 2016 Siemens Aktiengesellschaft.
All rights reserved.

Date

Aug 15, 2016

Definition in file random.c.

Macro Definition Documentation

#define GUID_LENGTH   36

Definition at line 25 of file random.c.

Referenced by random_generate_guid().

Function Documentation

E_MCL_ERROR_CODE mcl_random_generate_guid

(

char **

guid

)

Generates globally unique identifier.

Parameters

[out]

guid

Random guid.

Returns

• MCL_OK in case of success.
• MCL_OUT_OF_MEMORY in case there is not enough memory in the system to proceed.
• MCL_FAIL in case of an internal error in random number generation.

Definition at line 42 of file random.c.

References ASSERT_CODE_MESSAGE, ASSERT_NOT_NULL, string_t::buffer, DEBUG_ENTRY, DEBUG_LEAVE, MCL_FREE, MCL_NULL, MCL_OK, and random_generate_guid().

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mcl_uint8_t* random_generate_array

(

mcl_size_t

size

)

Generates an array of random numbers.

Generates an array in given size and fills with random numbers.

Parameters

[in]

size

The size of the array to be created.

Returns

Returns the generated array of random numbers.

Definition at line 71 of file random.c.

References ASSERT_MESSAGE, ASSERT_STATEMENT_MESSAGE, DEBUG_ENTRY, DEBUG_LEAVE, MCL_FREE, MCL_MALLOC, MCL_NULL, MCL_OK, and security_generate_random_bytes().

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E_MCL_ERROR_CODE random_generate_guid

(

string_t **

guid

)

Generates random guid.

Parameters

[out]

guid

Random guid.

Returns

• MCL_OK in case of success.
• MCL_OUT_OF_MEMORY in case there is not enough memory in the system to proceed.
• MCL_FAIL in case of an internal error in random number generation.

Definition at line 86 of file random.c.

References ASSERT_CODE_MESSAGE, ASSERT_STATEMENT_CODE_MESSAGE, guid_t::clk_seq_hi_res, guid_t::clk_seq_low, DEBUG_ENTRY, DEBUG_LEAVE, GUID_LENGTH, MCL_FREE, MCL_MALLOC, MCL_NULL, MCL_OK, MCL_OUT_OF_MEMORY, guid_t::node, guid_t::rnd, security_generate_random_bytes(), string_initialize_dynamic(), string_util_snprintf(), guid_t::time_hi_and_version, guid_t::time_low, and guid_t::time_mid.

Referenced by _initialize_payload(), event_initialize(), mcl_random_generate_guid(), and security_handler_generate_jti().

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E_MCL_ERROR_CODE random_generate_number

(

mcl_uint32_t *

random_number

)

Generates random integer number.

Parameters

[out]

random_number

Pointer to the random number generated.

Returns

• MCL_OK in case of success.
• MCL_FAIL in case of an internal error in random number generation.

Definition at line 61 of file random.c.

References DEBUG_ENTRY, DEBUG_LEAVE, and security_generate_random_bytes().

Referenced by _generate_random_boundary().

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