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mbedtls_ctr_drbg_context struct
The CTR_DRBG context structure.
Syntax
typedef struct mbedtls_ctr_drbg_context
{
unsigned char counter[16];
int reseed_counter;
int prediction_resistance;
size_t entropy_len;
int reseed_interval;
mbedtls_aes_context aes_ctx;
int (*f_entropy)(void *, unsigned char *, size_t);
void *p_entropy;
#if defined(MBEDTLS_THREADING_C)
mbedtls_threading_mutex_t mutex;
#endif
}
mbedtls_ctr_drbg_context;
Fields
Field
Declared as
Description
int
This determines whether prediction resistance is enabled, that is whether to systematically reseed before each random generation.
size_t
The amount of entropy grabbed on each seed or reseed operation.
int (*)(void *, unsigned char *, size_t)
The entropy callback function.
Related Functions
Found 11 other functions taking a mbedtls_ctr_drbg_context
argument:
Function
Description
This function initializes the CTR_DRBG context, and prepares it for mbedtls_ctr_drbg_seed() or mbedtls_ctr_drbg_free().
This function seeds and sets up the CTR_DRBG entropy source for future reseeds.
This function clears CTR_CRBG context data.
This function reseeds the CTR_DRBG context, that is extracts data from the entropy source.
This function updates the state of the CTR_DRBG context.
This function turns prediction resistance on or off. The default value is off.
This function sets the amount of entropy grabbed on each seed or reseed. The default value is #MBEDTLS_CTR_DRBG_ENTROPY_LEN.
This function sets the reseed interval. The default value is #MBEDTLS_CTR_DRBG_RESEED_INTERVAL.