Skip to main content

Random Number Generator (rng)

Hardware random number generator.

Device Type​

DEVICE_TYPE_RNG

Structure​

struct rng_t {
    char * name;
    int (*read)(struct rng_t * rng, uint32_t * buf, int len, int timeout);
    void * priv;
};

Key API​

FunctionDescription
search_rng(name)Find RNG by name
register_rng(rng, drv)Register an RNG
unregister_rng(rng)Unregister an RNG
rng_read(rng, buf, len, timeout)Read random numbers

Description​

Hardware random number generator interface. Provides true random numbers from a hardware entropy source, used for cryptographic key generation and PRNG seeding.