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| author | Iuliana Prodan <iuliana.prodan@nxp.com> | 2019-01-21 14:22:42 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-02-01 07:42:03 +0100 |
| commit | 87870cfb4b5a93c70e2dc32d0349af0625bd5546 (patch) | |
| tree | a73c5f4b200674b9b8a58abab2035ffb0b0f9b36 /drivers/crypto/caam/caamhash_desc.h | |
| parent | crypto: seqiv - Use kmemdup in seqiv_aead_encrypt() (diff) | |
| download | linux-87870cfb4b5a93c70e2dc32d0349af0625bd5546.tar.xz linux-87870cfb4b5a93c70e2dc32d0349af0625bd5546.zip | |
crypto: caam - add support for cmac(aes)
Add cmac(aes) keyed hash offloading support.
Similar to xcbc implementation, driver must make sure there are still
some bytes buffered when ahash_final() is called. This way HW is able to
decide whether padding is needed and which key to derive (L -> K1 / K2)
for the last block.
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/caamhash_desc.h')
| -rw-r--r-- | drivers/crypto/caam/caamhash_desc.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/crypto/caam/caamhash_desc.h b/drivers/crypto/caam/caamhash_desc.h index cf4a437d4c02..6947ee1f200c 100644 --- a/drivers/crypto/caam/caamhash_desc.h +++ b/drivers/crypto/caam/caamhash_desc.h @@ -15,9 +15,15 @@ #define DESC_AHASH_FINAL_LEN (DESC_AHASH_BASE + 5 * CAAM_CMD_SZ) #define DESC_AHASH_DIGEST_LEN (DESC_AHASH_BASE + 4 * CAAM_CMD_SZ) +static inline bool is_xcbc_aes(u32 algtype) +{ + return (algtype & (OP_ALG_ALGSEL_MASK | OP_ALG_AAI_MASK)) == + (OP_ALG_ALGSEL_AES | OP_ALG_AAI_XCBC_MAC); +} + void cnstr_shdsc_ahash(u32 * const desc, struct alginfo *adata, u32 state, int digestsize, int ctx_len, bool import_ctx, int era); -void cnstr_shdsc_axcbc(u32 * const desc, struct alginfo *adata, u32 state, - int digestsize, int ctx_len, dma_addr_t key_dma); +void cnstr_shdsc_sk_hash(u32 * const desc, struct alginfo *adata, u32 state, + int digestsize, int ctx_len, dma_addr_t key_dma); #endif /* _CAAMHASH_DESC_H_ */ |