ctrdrbg.c File Reference

#include <openssl/rand.h>
#include <openssl/type_check.h>
#include <openssl/mem.h>
#include "internal.h"
#include "../cipher/internal.h"

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Functions
static void	ctr32_add (CTR_DRBG_STATE *drbg, uint32_t n)
void	CTR_DRBG_clear (CTR_DRBG_STATE *drbg)
int	CTR_DRBG_generate (CTR_DRBG_STATE *drbg, uint8_t *out, size_t out_len, const uint8_t *additional_data, size_t additional_data_len)
int	CTR_DRBG_init (CTR_DRBG_STATE *drbg, const uint8_t entropy[CTR_DRBG_ENTROPY_LEN], const uint8_t *personalization, size_t personalization_len)
int	CTR_DRBG_reseed (CTR_DRBG_STATE *drbg, const uint8_t entropy[CTR_DRBG_ENTROPY_LEN], const uint8_t *additional_data, size_t additional_data_len)
static int	ctr_drbg_update (CTR_DRBG_STATE *drbg, const uint8_t *data, size_t data_len)
	OPENSSL_STATIC_ASSERT (CTR_DRBG_ENTROPY_LEN % AES_BLOCK_SIZE==0, "not a multiple of AES block size")

Variables
static const uint64_t	kMaxReseedCount = UINT64_C(1) << 48

Function Documentation

ctr32_add()

static void ctr32_add ( CTR_DRBG_STATE *  drbg, uint32_t  n  )

static

Definition at line 72 of file ctrdrbg.c.

CTR_DRBG_clear()

void CTR_DRBG_clear

(

CTR_DRBG_STATE *

drbg

)

Definition at line 200 of file ctrdrbg.c.

CTR_DRBG_generate()

int CTR_DRBG_generate	(	CTR_DRBG_STATE *	drbg,
		uint8_t *	out,
		size_t	out_len,
		const uint8_t *	additional_data,
		size_t	additional_data_len
	)

Definition at line 131 of file ctrdrbg.c.

CTR_DRBG_init()

int CTR_DRBG_init	(	CTR_DRBG_STATE *	drbg,
		const uint8_t	entropy[CTR_DRBG_ENTROPY_LEN],
		const uint8_t *	personalization,
		size_t	personalization_len
	)

Definition at line 30 of file ctrdrbg.c.

CTR_DRBG_reseed()

int CTR_DRBG_reseed	(	CTR_DRBG_STATE *	drbg,
		const uint8_t	entropy[CTR_DRBG_ENTROPY_LEN],
		const uint8_t *	additional_data,
		size_t	additional_data_len
	)

Definition at line 102 of file ctrdrbg.c.

ctr_drbg_update()

static int ctr_drbg_update ( CTR_DRBG_STATE *  drbg, const uint8_t *  data, size_t  data_len  )

static

Definition at line 77 of file ctrdrbg.c.

OPENSSL_STATIC_ASSERT()

OPENSSL_STATIC_ASSERT	(	CTR_DRBG_ENTROPY_LEN %	AES_BLOCK_SIZE = =0,
		"not a multiple of AES block size"
	)

Variable Documentation

kMaxReseedCount

const uint64_t kMaxReseedCount = UINT64_C(1) << 48

static

Definition at line 28 of file ctrdrbg.c.