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author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-04-04 14:23:55 +0200 |
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committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-04-04 14:23:55 +0200 |
commit | 837e5b8e0685e2e4974e5a86dfd7cbf5802e1422 (patch) | |
tree | 1b4e116a20e6fdef01a1fc9ee7b46aeeecc23ed0 /arch/x86/crypto/ghash-clmulni-intel_glue.c | |
parent | 418f717cce5834203e24368717f542360b020681 (diff) | |
parent | 61a4577c9a4419b99e647744923517d47255da35 (diff) |
Merge tag 'v4.4.59' into toradex_vf_4.4-next
This is the 4.4.59 stable release
Diffstat (limited to 'arch/x86/crypto/ghash-clmulni-intel_glue.c')
-rw-r--r-- | arch/x86/crypto/ghash-clmulni-intel_glue.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/crypto/ghash-clmulni-intel_glue.c b/arch/x86/crypto/ghash-clmulni-intel_glue.c index 440df0c7a2ee..a69321a77783 100644 --- a/arch/x86/crypto/ghash-clmulni-intel_glue.c +++ b/arch/x86/crypto/ghash-clmulni-intel_glue.c @@ -219,6 +219,29 @@ static int ghash_async_final(struct ahash_request *req) } } +static int ghash_async_import(struct ahash_request *req, const void *in) +{ + struct ahash_request *cryptd_req = ahash_request_ctx(req); + struct shash_desc *desc = cryptd_shash_desc(cryptd_req); + struct ghash_desc_ctx *dctx = shash_desc_ctx(desc); + + ghash_async_init(req); + memcpy(dctx, in, sizeof(*dctx)); + return 0; + +} + +static int ghash_async_export(struct ahash_request *req, void *out) +{ + struct ahash_request *cryptd_req = ahash_request_ctx(req); + struct shash_desc *desc = cryptd_shash_desc(cryptd_req); + struct ghash_desc_ctx *dctx = shash_desc_ctx(desc); + + memcpy(out, dctx, sizeof(*dctx)); + return 0; + +} + static int ghash_async_digest(struct ahash_request *req) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); @@ -288,8 +311,11 @@ static struct ahash_alg ghash_async_alg = { .final = ghash_async_final, .setkey = ghash_async_setkey, .digest = ghash_async_digest, + .export = ghash_async_export, + .import = ghash_async_import, .halg = { .digestsize = GHASH_DIGEST_SIZE, + .statesize = sizeof(struct ghash_desc_ctx), .base = { .cra_name = "ghash", .cra_driver_name = "ghash-clmulni", |