diff options
author | Vakul Garg <vakul.garg@nxp.com> | 2019-03-20 02:03:36 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-03-20 11:02:05 -0700 |
commit | f295b3ae9f5927e084bd5decdff82390e3471801 (patch) | |
tree | 787496d890b276c25f9df4df497c9c5eb1a4f9fd /net/nsh | |
parent | 6a23c0a6af98c927f387353a219c1f5664bb3d5b (diff) |
net/tls: Add support of AES128-CCM based ciphers
Added support for AES128-CCM based record encryption. AES128-CCM is
similar to AES128-GCM. Both of them have same salt/iv/mac size. The
notable difference between the two is that while invoking AES128-CCM
operation, the salt||nonce (which is passed as IV) has to be prefixed
with a hardcoded value '2'. Further, CCM implementation in kernel
requires IV passed in crypto_aead_request() to be full '16' bytes.
Therefore, the record structure 'struct tls_rec' has been modified to
reserve '16' bytes for IV. This works for both GCM and CCM based cipher.
Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/nsh')
0 files changed, 0 insertions, 0 deletions