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@@ -46,12 +46,38 @@ static int sha1_init(struct shash_desc *desc)
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return 0;
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}
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+static int sha1_export(struct shash_desc *desc, void *out)
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+{
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+ struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
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+ struct sha1_state *octx = out;
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+
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+ octx->count = sctx->count;
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+ memcpy(octx->state, sctx->state, sizeof(octx->state));
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+ memcpy(octx->buffer, sctx->buf, sizeof(octx->buffer));
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+ return 0;
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+}
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+
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+static int sha1_import(struct shash_desc *desc, const u8 *in)
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+{
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+ struct sha1_state *sctx = shash_desc_ctx(desc);
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+ struct sha1_state *ictx = in;
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+
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+ sctx->count = ictx->count;
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+ memcpy(sctx->state, ictx->state, sizeof(ictx->state));
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+ memcpy(sctx->buf, ictx->buffer, sizeof(ictx->buffer));
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+ sctx->func = KIMD_SHA_1;
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+ return 0;
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+}
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+
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static struct shash_alg alg = {
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.digestsize = SHA1_DIGEST_SIZE,
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.init = sha1_init,
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.update = s390_sha_update,
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.final = s390_sha_final,
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+ .export = sha1_export,
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+ .import = sha1_import,
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.descsize = sizeof(struct s390_sha_ctx),
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+ .statesize = sizeof(struct sha1_state),
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.base = {
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.cra_name = "sha1",
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.cra_driver_name= "sha1-s390",
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