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authorTero Kristo <t-kristo@ti.com>2016-09-19 18:22:18 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2016-09-22 13:32:51 +0300
commita84d351f6b8624cf3e365971f8eab7af8ef690cf (patch)
treeb5681cb671d9ffe150024570b14f37357e88ca80 /drivers/crypto
parent8043bb1ae03cb842cd06a33fb1233e458f6f7f37 (diff)
downloadlinux-a84d351f6b8624cf3e365971f8eab7af8ef690cf.tar.xz
crypto: omap-sham - add support for export/import
Now that the driver has been converted to use scatterlists for data handling, add proper implementation for the export/import stubs also. Signed-off-by: Tero Kristo <t-kristo@ti.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/omap-sham.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index 412559e9b2a1..8eefd793cc82 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -1418,12 +1418,21 @@ static void omap_sham_cra_exit(struct crypto_tfm *tfm)
static int omap_sham_export(struct ahash_request *req, void *out)
{
- return -ENOTSUPP;
+ struct omap_sham_reqctx *rctx = ahash_request_ctx(req);
+
+ memcpy(out, rctx, sizeof(*rctx) + rctx->bufcnt);
+
+ return 0;
}
static int omap_sham_import(struct ahash_request *req, const void *in)
{
- return -ENOTSUPP;
+ struct omap_sham_reqctx *rctx = ahash_request_ctx(req);
+ const struct omap_sham_reqctx *ctx_in = in;
+
+ memcpy(rctx, in, sizeof(*rctx) + ctx_in->bufcnt);
+
+ return 0;
}
static struct ahash_alg algs_sha1_md5[] = {
@@ -2083,7 +2092,8 @@ static int omap_sham_probe(struct platform_device *pdev)
alg = &dd->pdata->algs_info[i].algs_list[j];
alg->export = omap_sham_export;
alg->import = omap_sham_import;
- alg->halg.statesize = sizeof(struct omap_sham_reqctx);
+ alg->halg.statesize = sizeof(struct omap_sham_reqctx) +
+ BUFLEN;
err = crypto_register_ahash(alg);
if (err)
goto err_algs;