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Subject[PATCH 4.4 03/43] ipv4+ipv6: Make INET*_ESP select CRYPTO_ECHAINIV
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thomas Egerer <hakke_007@gmx.de>

commit 32b6170ca59ccf07d0e394561e54b2cd9726038c upstream.

The ESP algorithms using CBC mode require echainiv. Hence INET*_ESP have
to select CRYPTO_ECHAINIV in order to work properly. This solves the
issues caused by a misconfiguration as described in [1].
The original approach, patching crypto/Kconfig was turned down by
Herbert Xu [2].

[1] https://lists.strongswan.org/pipermail/users/2015-December/009074.html
[2] http://marc.info/?l=linux-crypto-vger&m=145224655809562&w=2

Signed-off-by: Thomas Egerer <hakke_007@gmx.de>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Yongqin Liu <yongqin.liu@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
net/ipv4/Kconfig | 1 +
net/ipv6/Kconfig | 1 +
2 files changed, 2 insertions(+)

--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -354,6 +354,7 @@ config INET_ESP
select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
+ select CRYPTO_ECHAINIV
---help---
Support for IPsec ESP.

--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -69,6 +69,7 @@ config INET6_ESP
select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
+ select CRYPTO_ECHAINIV
---help---
Support for IPsec ESP.


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