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| author | Tom Lendacky <thomas.lendacky@amd.com> | 2016-01-29 12:45:14 -0600 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-02-01 22:27:05 +0800 |
| commit | d1662165ae612ec8b5f94a6b07e65ea58b6dce34 (patch) | |
| tree | 7aab5279425b9e40e844c7d2237b6e952e708bb3 /drivers/crypto/ccp/ccp-crypto.h | |
| parent | 0529900a01cb840feb7f7e2f64ed88f7a9ed0031 (diff) | |
| download | talos-obmc-linux-d1662165ae612ec8b5f94a6b07e65ea58b6dce34.tar.gz talos-obmc-linux-d1662165ae612ec8b5f94a6b07e65ea58b6dce34.zip | |
crypto: ccp - Limit the amount of information exported
Since the exported information can be exposed to user-space, instead of
exporting the entire request context only export the minimum information
needed.
Cc: <stable@vger.kernel.org> # 3.14.x-
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp/ccp-crypto.h')
| -rw-r--r-- | drivers/crypto/ccp/ccp-crypto.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto.h b/drivers/crypto/ccp/ccp-crypto.h index 76a96f0f44c6..a326ec20bfa8 100644 --- a/drivers/crypto/ccp/ccp-crypto.h +++ b/drivers/crypto/ccp/ccp-crypto.h @@ -129,6 +129,15 @@ struct ccp_aes_cmac_req_ctx { struct ccp_cmd cmd; }; +struct ccp_aes_cmac_exp_ctx { + unsigned int null_msg; + + u8 iv[AES_BLOCK_SIZE]; + + unsigned int buf_count; + u8 buf[AES_BLOCK_SIZE]; +}; + /***** SHA related defines *****/ #define MAX_SHA_CONTEXT_SIZE SHA256_DIGEST_SIZE #define MAX_SHA_BLOCK_SIZE SHA256_BLOCK_SIZE @@ -171,6 +180,19 @@ struct ccp_sha_req_ctx { struct ccp_cmd cmd; }; +struct ccp_sha_exp_ctx { + enum ccp_sha_type type; + + u64 msg_bits; + + unsigned int first; + + u8 ctx[MAX_SHA_CONTEXT_SIZE]; + + unsigned int buf_count; + u8 buf[MAX_SHA_BLOCK_SIZE]; +}; + /***** Common Context Structure *****/ struct ccp_ctx { int (*complete)(struct crypto_async_request *req, int ret); |
