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-rw-r--r--crypto/cbc.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/cbc.c b/crypto/cbc.c
index 28345b8d921c..e81918ca68b7 100644
--- a/crypto/cbc.c
+++ b/crypto/cbc.c
@@ -51,9 +51,10 @@ out:
}
static int crypto_cbc_encrypt(struct crypto_lskcipher *tfm, const u8 *src,
- u8 *dst, unsigned len, u8 *iv, bool final)
+ u8 *dst, unsigned len, u8 *iv, u32 flags)
{
struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm);
+ bool final = flags & CRYPTO_LSKCIPHER_FLAG_FINAL;
struct crypto_lskcipher *cipher = *ctx;
int rem;
@@ -119,9 +120,10 @@ out:
}
static int crypto_cbc_decrypt(struct crypto_lskcipher *tfm, const u8 *src,
- u8 *dst, unsigned len, u8 *iv, bool final)
+ u8 *dst, unsigned len, u8 *iv, u32 flags)
{
struct crypto_lskcipher **ctx = crypto_lskcipher_ctx(tfm);
+ bool final = flags & CRYPTO_LSKCIPHER_FLAG_FINAL;
struct crypto_lskcipher *cipher = *ctx;
int rem;
@@ -146,6 +148,9 @@ static int crypto_cbc_create(struct crypto_template *tmpl, struct rtattr **tb)
if (!is_power_of_2(inst->alg.co.base.cra_blocksize))
goto out_free_inst;
+ if (inst->alg.co.statesize)
+ goto out_free_inst;
+
inst->alg.encrypt = crypto_cbc_encrypt;
inst->alg.decrypt = crypto_cbc_decrypt;