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-rw-r--r--src/vnet/bfd/bfd_main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/vnet/bfd/bfd_main.c b/src/vnet/bfd/bfd_main.c
index 3ed9c039528..530b2978068 100644
--- a/src/vnet/bfd/bfd_main.c
+++ b/src/vnet/bfd/bfd_main.c
@@ -1634,6 +1634,11 @@ bfd_verify_pkt_auth_key_sha1 (vlib_main_t *vm, const bfd_pkt_t *pkt,
op.len = sizeof (*with_sha1);
op.digest = calculated_hash;
vnet_crypto_process_ops (vm, &op, 1);
+
+ /* Restore the modified data within the packet */
+ clib_memcpy (with_sha1->sha1_auth.hash, hash_from_packet,
+ sizeof (with_sha1->sha1_auth.hash));
+
if (0 ==
memcmp (calculated_hash, hash_from_packet, sizeof (calculated_hash)))
{