The new XFRMA_ALG_AUTH_TRUNC attribute taking a xfrm_algo_auth as
argument allows the installation of authentication algorithms with
a truncation length specified in userspace, i.e. SHA256 with 128 bit
instead of 96 bit truncation.
Signed-off-by: Martin Willi <martin@xxxxxxxxxxxxxx>
---
include/linux/xfrm.h | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 2d4ec15..d28e853 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -96,6 +96,13 @@ struct xfrm_algo {
char alg_key[0];
};
+struct xfrm_algo_auth {
+ char alg_name[64];
+ unsigned int alg_key_len; /* in bits */
+ unsigned int alg_trunc_len; /* in bits */
+ char alg_key[0];
+};
+
struct xfrm_algo_aead {
char alg_name[64];
unsigned int alg_key_len; /* in bits */
@@ -283,6 +290,7 @@ enum xfrm_attr_type_t {
XFRMA_MIGRATE,
XFRMA_ALG_AEAD, /* struct xfrm_algo_aead */
XFRMA_KMADDRESS, /* struct xfrm_user_kmaddress */
+ XFRMA_ALG_AUTH_TRUNC, /* struct xfrm_algo_auth */
__XFRMA_MAX
#define XFRMA_MAX (__XFRMA_MAX - 1)
--
1.6.3.3
--
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