diff options
| author | Daniele Alessandrelli <daniele.alessandrelli@intel.com> | 2020-12-16 12:46:38 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-01-02 22:41:37 +0100 |
| commit | b46f80368869cf46dbfe97ca8dfaf02e6be4510e (patch) | |
| tree | 8bb4ecd299016c448275bd09f2193622abe9737a /drivers/crypto/keembay | |
| parent | crypto: keembay-ocs-hcu - Add HMAC support (diff) | |
| download | linux-b46f80368869cf46dbfe97ca8dfaf02e6be4510e.tar.xz linux-b46f80368869cf46dbfe97ca8dfaf02e6be4510e.zip | |
crypto: keembay-ocs-hcu - Add optional support for sha224
Add optional support of sha224 and hmac(sha224).
Co-developed-by: Declan Murphy <declan.murphy@intel.com>
Signed-off-by: Declan Murphy <declan.murphy@intel.com>
Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/keembay')
| -rw-r--r-- | drivers/crypto/keembay/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/crypto/keembay/keembay-ocs-hcu-core.c | 63 |
2 files changed, 75 insertions, 0 deletions
diff --git a/drivers/crypto/keembay/Kconfig b/drivers/crypto/keembay/Kconfig index e5f90cebe679..e45f1b039380 100644 --- a/drivers/crypto/keembay/Kconfig +++ b/drivers/crypto/keembay/Kconfig @@ -55,3 +55,15 @@ config CRYPTO_DEV_KEEMBAY_OCS_HCU as a module, the module will be called keembay-ocs-hcu. If unsure, say N. + +config CRYPTO_DEV_KEEMBAY_OCS_HCU_HMAC_SHA224 + bool "Enable sha224 and hmac(sha224) support in Intel Keem Bay OCS HCU" + depends on CRYPTO_DEV_KEEMBAY_OCS_HCU + help + Enables support for sha224 and hmac(sha224) algorithms in the Intel + Keem Bay OCS HCU driver. Intel recommends not to use these + algorithms. + + Provides OCS HCU hardware acceleration of sha224 and hmac(224). + + If unsure, say N. diff --git a/drivers/crypto/keembay/keembay-ocs-hcu-core.c b/drivers/crypto/keembay/keembay-ocs-hcu-core.c index 37c4b4a689a8..d547af047131 100644 --- a/drivers/crypto/keembay/keembay-ocs-hcu-core.c +++ b/drivers/crypto/keembay/keembay-ocs-hcu-core.c @@ -575,6 +575,12 @@ static int kmb_ocs_hcu_init(struct ahash_request *req) rctx->dig_sz = crypto_ahash_digestsize(tfm); switch (rctx->dig_sz) { +#ifdef CONFIG_CRYPTO_DEV_KEEMBAY_OCS_HCU_HMAC_SHA224 + case SHA224_DIGEST_SIZE: + rctx->blk_sz = SHA224_BLOCK_SIZE; + rctx->algo = OCS_HCU_ALGO_SHA224; + break; +#endif /* CONFIG_CRYPTO_DEV_KEEMBAY_OCS_HCU_HMAC_SHA224 */ case SHA256_DIGEST_SIZE: rctx->blk_sz = SHA256_BLOCK_SIZE; /* @@ -765,6 +771,11 @@ static int kmb_ocs_hcu_setkey(struct crypto_ahash *tfm, const u8 *key, } switch (digestsize) { +#ifdef CONFIG_CRYPTO_DEV_KEEMBAY_OCS_HCU_HMAC_SHA224 + case SHA224_DIGEST_SIZE: + alg_name = "sha224-keembay-ocs"; + break; +#endif /* CONFIG_CRYPTO_DEV_KEEMBAY_OCS_HCU_HMAC_SHA224 */ case SHA256_DIGEST_SIZE: alg_name = ctx->is_sm3_tfm ? "sm3-keembay-ocs" : "sha256-keembay-ocs"; @@ -873,6 +884,58 @@ static void kmb_ocs_hcu_hmac_cra_exit(struct crypto_tfm *tfm) } static struct ahash_alg ocs_hcu_algs[] = { +#ifdef CONFIG_CRYPTO_DEV_KEEMBAY_OCS_HCU_HMAC_SHA224 +{ + .init = kmb_ocs_hcu_init, + .update = kmb_ocs_hcu_update, + .final = kmb_ocs_hcu_final, + .finup = kmb_ocs_hcu_finup, + .digest = kmb_ocs_hcu_digest, + .export = kmb_ocs_hcu_export, + .import = kmb_ocs_hcu_import, + .halg = { + .digestsize = SHA224_DIGEST_SIZE, + .statesize = sizeof(struct ocs_hcu_rctx), + .base = { + .cra_name = "sha224", + .cra_driver_name = "sha224-keembay-ocs", + .cra_priority = 255, + .cra_flags = CRYPTO_ALG_ASYNC, + .cra_blocksize = SHA224_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct ocs_hcu_ctx), + .cra_alignmask = 0, + .cra_module = THIS_MODULE, + .cra_init = kmb_ocs_hcu_sha_cra_init, + } + } +}, +{ + .init = kmb_ocs_hcu_init, + .update = kmb_ocs_hcu_update, + .final = kmb_ocs_hcu_final, + .finup = kmb_ocs_hcu_finup, + .digest = kmb_ocs_hcu_digest, + .export = kmb_ocs_hcu_export, + .import = kmb_ocs_hcu_import, + .setkey = kmb_ocs_hcu_setkey, + .halg = { + .digestsize = SHA224_DIGEST_SIZE, + .statesize = sizeof(struct ocs_hcu_rctx), + .base = { + .cra_name = "hmac(sha224)", + .cra_driver_name = "hmac-sha224-keembay-ocs", + .cra_priority = 255, + .cra_flags = CRYPTO_ALG_ASYNC, + .cra_blocksize = SHA224_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct ocs_hcu_ctx), + .cra_alignmask = 0, + .cra_module = THIS_MODULE, + .cra_init = kmb_ocs_hcu_hmac_cra_init, + .cra_exit = kmb_ocs_hcu_hmac_cra_exit, + } + } +}, +#endif /* CONFIG_CRYPTO_DEV_KEEMBAY_OCS_HCU_HMAC_SHA224 */ { .init = kmb_ocs_hcu_init, .update = kmb_ocs_hcu_update, |