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Commit a84d351f authored by Tero Kristo's avatar Tero Kristo Committed by Herbert Xu
Browse files

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: default avatarTero Kristo <t-kristo@ti.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 8043bb1a

drivers/crypto/omap-sham.c

+13 −3
Original line number Diff line number Diff line
@@ -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;