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-rw-r--r--crypto/shash.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 3f4c713a21e..26aff3feefc 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -172,6 +172,20 @@ int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
}
EXPORT_SYMBOL_GPL(crypto_shash_digest);
+int crypto_shash_import(struct shash_desc *desc, const u8 *in)
+{
+ struct crypto_shash *tfm = desc->tfm;
+ struct shash_alg *alg = crypto_shash_alg(tfm);
+
+ memcpy(shash_desc_ctx(desc), in, crypto_shash_descsize(tfm));
+
+ if (alg->reinit)
+ alg->reinit(desc);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(crypto_shash_import);
+
static int shash_async_setkey(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
{