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CONFIG_ENTROPY_NRF5_BIAS_CORRECTION

Enable bias correction (uniform distribution)

Type: bool

Help

This option enables the RNG bias correction, which guarantees a uniform distribution of 0 and 1. When this option is enabled, the time to generate a byte cannot be guaranteed.

Direct dependencies

ENTROPY_NRF5_RNG && !ENTROPY_NRF_FORCE_ALT && ENTROPY_GENERATOR

(Includes any dependencies from ifs and menus.)

Defaults

No defaults. Implicitly defaults to n.

Symbols that select this symbol

• BT_LL_SW_LEGACY

• BT_LLL_VENDOR_NORDIC

Kconfig definition

At drivers/entropy/Kconfig.nrf5:28

Included via Kconfig:8 → Kconfig.zephyr:37 → drivers/Kconfig:24 → drivers/entropy/Kconfig:17

Menu path: (Top) → Device Drivers → Entropy Drivers → nRF5 RNG driver

config ENTROPY_NRF5_BIAS_CORRECTION
    bool "Enable bias correction (uniform distribution)"
    depends on ENTROPY_NRF5_RNG && !ENTROPY_NRF_FORCE_ALT && ENTROPY_GENERATOR
    help
      This option enables the RNG bias correction, which guarantees a
      uniform distribution of 0 and 1. When this option is enabled, the time
      to generate a byte cannot be guaranteed.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)