X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fs390%2Fcrypto%2Fsha1_s390.c;h=f6de7826c9790a26fa96f6a4b6d6294924fdb696;hb=81bd5f6c966cf2f137c2759dfc78abdffcff055e;hp=e85ba348722a95007d26bb8ce73e4fe5913c944f;hpb=ed223129a30de7d244ca9b59819f5532c9caf039;p=pandora-kernel.git

diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c
index e85ba348722a..f6de7826c979 100644
--- a/arch/s390/crypto/sha1_s390.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -46,12 +46,38 @@ static int sha1_init(struct shash_desc *desc)
 	return 0;
 }
 
+static int sha1_export(struct shash_desc *desc, void *out)
+{
+	struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
+	struct sha1_state *octx = out;
+
+	octx->count = sctx->count;
+	memcpy(octx->state, sctx->state, sizeof(octx->state));
+	memcpy(octx->buffer, sctx->buf, sizeof(octx->buffer));
+	return 0;
+}
+
+static int sha1_import(struct shash_desc *desc, const void *in)
+{
+	struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
+	const struct sha1_state *ictx = in;
+
+	sctx->count = ictx->count;
+	memcpy(sctx->state, ictx->state, sizeof(ictx->state));
+	memcpy(sctx->buf, ictx->buffer, sizeof(ictx->buffer));
+	sctx->func = KIMD_SHA_1;
+	return 0;
+}
+
 static struct shash_alg alg = {
 	.digestsize	=	SHA1_DIGEST_SIZE,
 	.init		=	sha1_init,
 	.update		=	s390_sha_update,
 	.final		=	s390_sha_final,
+	.export		=	sha1_export,
+	.import		=	sha1_import,
 	.descsize	=	sizeof(struct s390_sha_ctx),
+	.statesize	=	sizeof(struct sha1_state),
 	.base		=	{
 		.cra_name	=	"sha1",
 		.cra_driver_name=	"sha1-s390",