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| author | Tom Lendacky <thomas.lendacky@amd.com> | 2014-01-24 16:18:02 -0600 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-02-09 09:59:23 +0800 |
| commit | c11baa02c5d6ea06362fa61da070af34b7706c83 (patch) | |
| tree | 0075799191d2786575589ce71b02ee49fdc2a957 /include | |
| parent | d81ed6534fd988a8a24fb607b459444d4b3d391a (diff) | |
| download | linux-stable-c11baa02c5d6ea06362fa61da070af34b7706c83.tar.gz linux-stable-c11baa02c5d6ea06362fa61da070af34b7706c83.tar.bz2 linux-stable-c11baa02c5d6ea06362fa61da070af34b7706c83.zip | |
crypto: ccp - Move HMAC calculation down to ccp ops file
Move the support to perform an HMAC calculation into
the CCP operations file. This eliminates the need to
perform a synchronous SHA operation used to calculate
the HMAC.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ccp.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/ccp.h b/include/linux/ccp.h index b941ab9f762b..ebcc9d146219 100644 --- a/include/linux/ccp.h +++ b/include/linux/ccp.h @@ -232,6 +232,9 @@ enum ccp_sha_type { * @ctx_len: length in bytes of hash value * @src: data to be used for this operation * @src_len: length in bytes of data used for this operation + * @opad: data to be used for final HMAC operation + * @opad_len: length in bytes of data used for final HMAC operation + * @first: indicates first SHA operation * @final: indicates final SHA operation * @msg_bits: total length of the message in bits used in final SHA operation * @@ -251,6 +254,10 @@ struct ccp_sha_engine { struct scatterlist *src; u64 src_len; /* In bytes */ + struct scatterlist *opad; + u32 opad_len; /* In bytes */ + + u32 first; /* Indicates first sha cmd */ u32 final; /* Indicates final sha cmd */ u64 msg_bits; /* Message length in bits required for * final sha cmd */ |