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esp, ah: consolidate the crypto algorithm selections 

Instead of duplicating the algorithm selections between INET_AH and
INET6_AH and between INET_ESP and INET6_ESP, create new tristates
XFRM_AH and XFRM_ESP that do the algorithm selections, and make these be
selected by the corresponding INET* options.

Suggested-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Corentin Labbe <clabbe@baylibre.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Eric Biggers 2020-06-10 09:14:35 -07:00 committed by Steffen Klassert
parent a4902d914e
commit 7d4e391959
3 changed files with 24 additions and 28 deletions
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16
net/ipv4/Kconfig
View File

@ -340,11 +340,7 @@ config NET_FOU_IP_TUNNELS
config INET_AH
tristate "IP: AH transformation"
select XFRM_ALGO
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_SHA1
select XFRM_AH
---help---
Support for IPsec AH.
@ -352,15 +348,7 @@ config INET_AH
config INET_ESP
tristate "IP: ESP transformation"
select XFRM_ALGO
select CRYPTO
select CRYPTO_AUTHENC
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
select CRYPTO_ECHAINIV
select XFRM_ESP
---help---
Support for IPsec ESP.

16
net/ipv6/Kconfig
View File

@ -49,11 +49,7 @@ config IPV6_OPTIMISTIC_DAD
config INET6_AH
tristate "IPv6: AH transformation"
select XFRM_ALGO
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_SHA1
select XFRM_AH
---help---
Support for IPsec AH.
@ -61,15 +57,7 @@ config INET6_AH
config INET6_ESP
tristate "IPv6: ESP transformation"
select XFRM_ALGO
select CRYPTO
select CRYPTO_AUTHENC
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
select CRYPTO_ECHAINIV
select XFRM_ESP
---help---
Support for IPsec ESP.

20
net/xfrm/Kconfig
View File

@ -67,6 +67,26 @@ config XFRM_STATISTICS
If unsure, say N.
config XFRM_AH
tristate
select XFRM_ALGO
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_SHA1
config XFRM_ESP
tristate
select XFRM_ALGO
select CRYPTO
select CRYPTO_AUTHENC
select CRYPTO_HMAC
select CRYPTO_MD5
select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
select CRYPTO_ECHAINIV
config XFRM_IPCOMP
tristate
select XFRM_ALGO