Commit 401e4238 authored by Herbert Xu's avatar Herbert Xu
Browse files

crypto: rng - Make DRBG the default RNG 



This patch creates a new invisible Kconfig option CRYPTO_RNG_DEFAULT
that simply selects the DRBG.  This new option is then selected
by the IV generators.

Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 3491244c

crypto/Kconfig

+8 −7
Original line number Diff line number Diff line
@@ -78,6 +78,10 @@ config CRYPTO_RNG2 
	tristate

	select CRYPTO_ALGAPI2



config CRYPTO_RNG_DEFAULT

	tristate

	select CRYPTO_DRBG_MENU



config CRYPTO_PCOMP

	tristate

	select CRYPTO_PCOMP2
@@ -234,7 +238,7 @@ config CRYPTO_SEQIV 
	select CRYPTO_AEAD

	select CRYPTO_BLKCIPHER

	select CRYPTO_NULL

	select CRYPTO_RNG

	select CRYPTO_RNG_DEFAULT

	help

	  This IV generator generates an IV based on a sequence number by

	  xoring it with a salt.  This algorithm is mainly useful for CTR
@@ -243,7 +247,7 @@ config CRYPTO_ECHAINIV 
	tristate "Encrypted Chain IV Generator"

	select CRYPTO_AEAD

	select CRYPTO_NULL

	select CRYPTO_RNG

	select CRYPTO_RNG_DEFAULT

	default m

	help

	  This IV generator generates an IV based on the encryption of
@@ -1484,7 +1488,6 @@ comment "Random Number Generation" 


config CRYPTO_ANSI_CPRNG

	tristate "Pseudo Random Number Generation for Cryptographic modules"

	default m

	select CRYPTO_AES

	select CRYPTO_RNG

	help
@@ -1502,11 +1505,9 @@ menuconfig CRYPTO_DRBG_MENU 
if CRYPTO_DRBG_MENU



config CRYPTO_DRBG_HMAC

	bool "Enable HMAC DRBG"

	bool

	default y

	select CRYPTO_HMAC

	help

	  Enable the HMAC DRBG variant as defined in NIST SP800-90A.



config CRYPTO_DRBG_HASH

	bool "Enable Hash DRBG"
@@ -1522,7 +1523,7 @@ config CRYPTO_DRBG_CTR 


config CRYPTO_DRBG

	tristate

	default CRYPTO_DRBG_MENU if (CRYPTO_DRBG_HMAC || CRYPTO_DRBG_HASH || CRYPTO_DRBG_CTR)

	default CRYPTO_DRBG_MENU

	select CRYPTO_RNG

	select CRYPTO_JITTERENTROPY