diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
tree | aa5cc3760a27c3d57146498cb82fa549547de06c /arch/x86/crypto/sha-mb/sha1_mb.c | |
parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'arch/x86/crypto/sha-mb/sha1_mb.c')
-rw-r--r-- | arch/x86/crypto/sha-mb/sha1_mb.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/x86/crypto/sha-mb/sha1_mb.c b/arch/x86/crypto/sha-mb/sha1_mb.c index 8381c09d2..081255cea 100644 --- a/arch/x86/crypto/sha-mb/sha1_mb.c +++ b/arch/x86/crypto/sha-mb/sha1_mb.c @@ -762,6 +762,38 @@ static int sha1_mb_async_digest(struct ahash_request *req) return crypto_ahash_digest(mcryptd_req); } +static int sha1_mb_async_export(struct ahash_request *req, void *out) +{ + struct ahash_request *mcryptd_req = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct sha1_mb_ctx *ctx = crypto_ahash_ctx(tfm); + struct mcryptd_ahash *mcryptd_tfm = ctx->mcryptd_tfm; + + memcpy(mcryptd_req, req, sizeof(*req)); + ahash_request_set_tfm(mcryptd_req, &mcryptd_tfm->base); + return crypto_ahash_export(mcryptd_req, out); +} + +static int sha1_mb_async_import(struct ahash_request *req, const void *in) +{ + struct ahash_request *mcryptd_req = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct sha1_mb_ctx *ctx = crypto_ahash_ctx(tfm); + struct mcryptd_ahash *mcryptd_tfm = ctx->mcryptd_tfm; + struct crypto_shash *child = mcryptd_ahash_child(mcryptd_tfm); + struct mcryptd_hash_request_ctx *rctx; + struct shash_desc *desc; + + memcpy(mcryptd_req, req, sizeof(*req)); + ahash_request_set_tfm(mcryptd_req, &mcryptd_tfm->base); + rctx = ahash_request_ctx(mcryptd_req); + desc = &rctx->desc; + desc->tfm = child; + desc->flags = CRYPTO_TFM_REQ_MAY_SLEEP; + + return crypto_ahash_import(mcryptd_req, in); +} + static int sha1_mb_async_init_tfm(struct crypto_tfm *tfm) { struct mcryptd_ahash *mcryptd_tfm; @@ -796,8 +828,11 @@ static struct ahash_alg sha1_mb_async_alg = { .final = sha1_mb_async_final, .finup = sha1_mb_async_finup, .digest = sha1_mb_async_digest, + .export = sha1_mb_async_export, + .import = sha1_mb_async_import, .halg = { .digestsize = SHA1_DIGEST_SIZE, + .statesize = sizeof(struct sha1_hash_ctx), .base = { .cra_name = "sha1", .cra_driver_name = "sha1_mb", |