From: Herbert Xu Date: Wed, 3 Jun 2015 06:49:31 +0000 (+0800) Subject: crypto: rng - Make DRBG the default RNG X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=401e4238f35c7a21d32bc27370d4d045f7019c20;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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: Herbert Xu --- diff --git a/crypto/Kconfig b/crypto/Kconfig index 91018d9ec56e..cb7806f31c37 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -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