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SYS_GETRANDOM

Constant SYS_GETRANDOM 

Source
pub const SYS_GETRANDOM: usize = 601;
Expand description

Fill a buffer with cryptographically secure random bytes.

  • buf: pointer to the buffer to fill
  • len: number of random bytes to generate
  • flags: GRND_RANDOM (1) for /dev/random behavior, 0 for /dev/urandom

Returns the number of bytes written. Uses RDRAND/RDSEED when available.