ica_drbg_reseed

Purpose

This function reseeds a NIST SP800-90A compliant DRBG instantiation from ica_drbg_instantiate.

Format

int ica_drbg_reseed(ica_drbg_t *sh,
  bool pr,
  const unsigned char *add,
  size_t add_len);

Parameters

ica_drbg_t *sh

State handle pointer. Identifies the DRBG instantiation to be reseeded.

bool pr

Prediction resistance request. Indicates whether or not prediction resistance is required.

const unsigned char *add

Pointer to additional optional input. NULL indicates that no additional input is used.

size_t add_len

Length in bytes of parameter add.

Return codes

0

Success

ENOTSUP

Prediction resistance is not supported.

ICA_DBRG_HEALTH_TEST_FAIL

Health test failed, see ica_drbg_health_test.

ICA_DBRG_ENTROPY_SOURCE_FAIL

Entropy source failed.