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mbedtls_ctr_drbg_update_ret() function
This function updates the state of the CTR_DRBG context.
Syntax
int mbedtls_ctr_drbg_update_ret( mbedtls_ctr_drbg_context *ctx,
const unsigned char *additional,
size_t add_len );
Implemented in ![]()
ctr_drbg.c:334
Return value
\c 0 on success. #MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG if \p add_len is more than #MBEDTLS_CTR_DRBG_MAX_SEED_INPUT. An error from the underlying AES cipher on failure.
Related Functions
Found 10 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 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.