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tc_ctr_prng_generate() function
CTR-PRNG generate procedure Generates outlen pseudo-random bytes into out buffer, updates prng
Syntax
int tc_ctr_prng_generate(TCCtrPrng_t * const ctx,
uint8_t const * const additional_input,
unsigned int additionallen,
uint8_t * const out,
unsigned int outlen);
Implemented in ![]()
ctr_prng.c:205
Return value
returns TC_CRYPTO_SUCCESS (1) returns TC_CTR_PRNG_RESEED_REQ (-1) if a reseed is needed returns TC_CRYPTO_FAIL (0) if: ctx == NULL, out == NULL, outlen >= 2^16
Notes
Assumes tc_ctr_prng_init has been called for ctx
Related Functions
Found 5 other functions taking a ![]()
TCCtrPrng_t
argument:
Function
Description
CTR PRNG update Updates the internal state of supplied the CTR PRNG context increments it by one
CTR PRNG update Updates the internal state of supplied the CTR PRNG context increments it by one
CTR-PRNG initialization procedure Initializes prng context with entropy and personalization string (if any)
CTR-PRNG reseed procedure Mixes entropy and additional_input into the prng context
CTR-PRNG uninstantiate procedure Zeroes the internal state of the supplied prng context