diff options
| author | Gary R Hook <gary.hook@amd.com> | 2017-03-15 21:21:01 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-03-24 17:02:55 +0300 |
| commit | 36cf515b9bbe298e1ce7384620f0d4ec45ad3328 (patch) | |
| tree | 4772df5332d0e077e6eb51660a064c632ce3ec18 /include | |
| parent | 990672d48515ce09c76fcf1ceccee48b0dd1942b (diff) | |
| download | linux-36cf515b9bbe298e1ce7384620f0d4ec45ad3328.tar.xz | |
crypto: ccp - Enable support for AES GCM on v5 CCPs
A version 5 device provides the primitive commands
required for AES GCM. This patch adds support for
en/decryption.
Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ccp.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/ccp.h b/include/linux/ccp.h index fa0261748920..dbe8aa0f2940 100644 --- a/include/linux/ccp.h +++ b/include/linux/ccp.h @@ -123,6 +123,10 @@ enum ccp_aes_mode { CCP_AES_MODE_CFB, CCP_AES_MODE_CTR, CCP_AES_MODE_CMAC, + CCP_AES_MODE_GHASH, + CCP_AES_MODE_GCTR, + CCP_AES_MODE_GCM, + CCP_AES_MODE_GMAC, CCP_AES_MODE__LAST, }; @@ -137,6 +141,9 @@ enum ccp_aes_action { CCP_AES_ACTION_ENCRYPT, CCP_AES_ACTION__LAST, }; +/* Overloaded field */ +#define CCP_AES_GHASHAAD CCP_AES_ACTION_DECRYPT +#define CCP_AES_GHASHFINAL CCP_AES_ACTION_ENCRYPT /** * struct ccp_aes_engine - CCP AES operation @@ -181,6 +188,8 @@ struct ccp_aes_engine { struct scatterlist *cmac_key; /* K1/K2 cmac key required for * final cmac cmd */ u32 cmac_key_len; /* In bytes */ + + u32 aad_len; /* In bytes */ }; /***** XTS-AES engine *****/ |