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@@ -57,6 +57,23 @@ static int padlock_sha_update(struct shash_desc *desc,
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return crypto_shash_update(&dctx->fallback, data, length);
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}
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+static int padlock_sha_export(struct shash_desc *desc, void *out)
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+{
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+ struct padlock_sha_desc *dctx = shash_desc_ctx(desc);
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+
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+ return crypto_shash_export(&dctx->fallback, out);
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+}
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+
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+static int padlock_sha_import(struct shash_desc *desc, const void *in)
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+{
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+ struct padlock_sha_desc *dctx = shash_desc_ctx(desc);
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+ struct padlock_sha_ctx *ctx = crypto_shash_ctx(desc->tfm);
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+
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+ dctx->fallback.tfm = ctx->fallback;
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+ dctx->fallback.flags = desc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
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+ return crypto_shash_import(&dctx->fallback, in);
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+}
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+
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static inline void padlock_output_block(uint32_t *src,
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uint32_t *dst, size_t count)
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{
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@@ -235,7 +252,10 @@ static struct shash_alg sha1_alg = {
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.update = padlock_sha_update,
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.finup = padlock_sha1_finup,
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.final = padlock_sha1_final,
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+ .export = padlock_sha_export,
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+ .import = padlock_sha_import,
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.descsize = sizeof(struct padlock_sha_desc),
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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-padlock",
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@@ -256,7 +276,10 @@ static struct shash_alg sha256_alg = {
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.update = padlock_sha_update,
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.finup = padlock_sha256_finup,
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.final = padlock_sha256_final,
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+ .export = padlock_sha_export,
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+ .import = padlock_sha_import,
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.descsize = sizeof(struct padlock_sha_desc),
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+ .statesize = sizeof(struct sha256_state),
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.base = {
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.cra_name = "sha256",
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.cra_driver_name = "sha256-padlock",
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