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crypto: drbg - DRBG kernel configuration options

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The different DRBG types of CTR, Hash, HMAC can be enabled or disabled
at compile time. At least one DRBG type shall be selected.

The default is the HMAC DRBG as its code base is smallest.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Stephan Mueller 2014-05-31 17:22:31 +02:00 committed by Herbert Xu
parent 3e16f959b9
commit 419090c6c6
1 changed files with 35 additions and 1 deletions
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36
crypto/Kconfig
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@ -23,7 +23,7 @@ comment "Crypto core or helper"
config CRYPTO_FIPS
bool "FIPS 200 compliance"
depends on CRYPTO_ANSI_CPRNG && !CRYPTO_MANAGER_DISABLE_TESTS
depends on (CRYPTO_ANSI_CPRNG || CRYTPO_DRBG) && !CRYPTO_MANAGER_DISABLE_TESTS
help
This options enables the fips boot option which is
required if you want to system to operate in a FIPS 200
@ -1380,6 +1380,40 @@ config CRYPTO_ANSI_CPRNG
ANSI X9.31 A.2.4. Note that this option must be enabled if
CRYPTO_FIPS is selected
menuconfig CRYTPO_DRBG
tristate "NIST SP800-90A DRBG"
depends on CRYPTO
select CRYPTO_RNG
help
NIST SP800-90A compliant DRBG. In the following submenu, one or
more of the DRBG types must be selected.
if CRYTPO_DRBG
config CRYPTO_DRBG_HMAC
bool "Enable HMAC DRBG"
default y
depends on CRYTPO_DRBG
select CRYPTO_HMAC
help
Enable the HMAC DRBG variant as defined in NIST SP800-90A.
config CRYPTO_DRBG_HASH
bool "Enable Hash DRBG"
depends on CRYTPO_DRBG
select CRYPTO_HASH
help
Enable the Hash DRBG variant as defined in NIST SP800-90A.
config CRYPTO_DRBG_CTR
bool "Enable CTR DRBG"
depends on CRYTPO_DRBG
select CRYPTO_AES
help
Enable the CTR DRBG variant as defined in NIST SP800-90A.
endif #CRYTPO_DRBG
config CRYPTO_USER_API
tristate