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| author | Tero Kristo <t-kristo@ti.com> | 2016-09-19 17:22:18 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-09-22 12:32:51 +0200 |
| commit | a84d351f6b8624cf3e365971f8eab7af8ef690cf (patch) | |
| tree | b5681cb671d9ffe150024570b14f37357e88ca80 | |
| parent | crypto: omap-sham - convert driver logic to use sgs for data xmit (diff) | |
| download | linux-a84d351f6b8624cf3e365971f8eab7af8ef690cf.tar.xz linux-a84d351f6b8624cf3e365971f8eab7af8ef690cf.zip | |
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>
| -rw-r--r-- | drivers/crypto/omap-sham.c | 16 |
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; |