# Copyright (c) 2021 HAW Hamburg
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.
#

menuconfig MODULE_RANDOM
    bool "Pseudo-Random Number Generation"
    depends on TEST_KCONFIG
    select MODULE_LUID
    select MODULE_PERIPH_HWRNG if HAS_PERIPH_HWRNG && !MODULE_PUF_SRAM

if MODULE_RANDOM

comment "This platform has a Hardware RNG, consider using it"
    depends on HAS_PERIPH_HWRNG && !MODULE_PRNG_HWRNG

choice RANDOM_IMPLEMENTATION
    bool "PRNG Implementation"
    depends on TEST_KCONFIG
    default MODULE_PRNG_MUSL_LCG
    # TODO: make HWRNG on platforms where it is available is a better default, but we want to
    # match Makefile.dep. Add it back when migration is done.

menuconfig MODULE_PRNG_FORTUNA
    bool "Fortuna"
    select MODULE_HASHES
    select MODULE_FORTUNA
    select MODULE_CRYPTO
    select MODULE_CRYPTO_AES_128

if MODULE_PRNG_FORTUNA

config MODULE_FORTUNA_RESEED
    bool "Reseed prng according to FORTUNA_RESEED_INTERVAL_MS"
    select MODULE_XTIMER
    select MODULE_ATOMIC_UTILS
endif

config MODULE_PRNG_HWRNG
    bool "Hardware RNG"
    depends on HAS_PERIPH_HWRNG
    select MODULE_PERIPH_HWRNG

config MODULE_PRNG_MARSENNE
    bool "Marsenne"

config MODULE_PRNG_MINISTD
    bool "Mini STD"

config MODULE_PRNG_MUSL_LCG
    bool "MUSL LCG"

config MODULE_PRNG_SHA1PRNG
    bool "SHA-1"
    select MODULE_PRNG_SHAXPRNG
    select MODULE_HASHES

config MODULE_PRNG_SHA256PRNG
    bool "SHA-256"
    select MODULE_PRNG_SHAXPRNG
    select MODULE_HASHES

config MODULE_PRNG_TINYMT32
    bool "Tiny-MT 32"
    select MODULE_TINYMT32

config MODULE_PRNG_XORSHIFT
    bool "XOR Shift"

endchoice # RANDOM_IMPLEMENTATION

config MODULE_AUTO_INIT_RANDOM
    bool "Auto-initialize the random subsystem"
    default y
    depends on MODULE_AUTO_INIT

config MODULE_PRNG_SHAXPRNG
    bool
    help
        Unified implementation for SHA-256 and SHA-1 PRNG.

config MODULE_PRNG
    bool
    default y
    help
        Basic Pseudo-random number generation module.

rsource "fortuna/Kconfig"
rsource "tinymt32/Kconfig"

endif # MODULE_RANDOM