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-rw-r--r--crypto/ahash.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 27128f2c687..7d4e33dfe21 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -146,6 +146,20 @@ static int ahash_setkey(struct crypto_ahash *tfm, const u8 *key,
return ahash->setkey(tfm, key, keylen);
}
+int crypto_ahash_import(struct ahash_request *req, const u8 *in)
+{
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ struct ahash_alg *alg = crypto_ahash_alg(tfm);
+
+ memcpy(ahash_request_ctx(req), in, crypto_ahash_reqsize(tfm));
+
+ if (alg->reinit)
+ alg->reinit(req);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(crypto_ahash_import);
+
static unsigned int crypto_ahash_ctxsize(struct crypto_alg *alg, u32 type,
u32 mask)
{