pub fn secure_random(buf: &mut [u8]) -> Result<(), SignerError>Expand description
Fill a buffer with cryptographically secure random bytes.
By default, delegates to getrandom::getrandom(). In enclave
environments where the default OS RNG is unavailable or untrusted,
use set_custom_rng() to provide a hardware TRNG source.
ยงErrors
Returns an error if the RNG source fails.