Commit Graph

5 Commits

Author SHA1 Message Date
Tom Lendacky
393897c515 crypto: ccp - Check for caller result area before using it
For a hash operation, the caller doesn't have to supply a result
area on every call so don't use it / update it if it hasn't
been supplied.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-01-15 11:33:36 +08:00
Tom Lendacky
77dc4a51a9 crypto: ccp - Cleanup scatterlist usage
Cleanup up the usage of scatterlists to make the code cleaner
and avoid extra memory allocations when not needed.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-01-15 11:33:36 +08:00
Tom Lendacky
5258de8af0 crypto: ccp - Apply appropriate gfp_t type to memory allocations
Fix some memory allocations to use the appropriate gfp_t type based
on the CRYPTO_TFM_REQ_MAY_SLEEP flag.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2014-01-15 11:33:35 +08:00
Tom Lendacky
369f3dabad crypto: ccp - Remove user triggerable pr_err calls
Remove the pr_err calls that are issued during parameter
checking in some AES operations. This will eliminate the
possibility of filling up syslog through these paths.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-12-20 20:06:22 +08:00
Tom Lendacky
7c1853711f crypto: ccp - CCP AES CMAC mode crypto API support
These routines provide crypto API support for the CMAC mode of AES
on the AMD CCP.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2013-12-05 21:28:39 +08:00