- destination length is rounded to multiple of blockcipher length
before encryption
Signed-off-by: Cristian Stoica <cristian.sto...@freescale.com>
---
authenc.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/authenc.c b/authenc.c
index a183820..774239a 100644
--- a/authenc.c
+++ b/authenc.c
@@ -655,10 +655,16 @@ __crypto_auth_run_zc(struct csession *ses_ptr, struct
kernel_crypt_auth_op *kcao
goto free_auth_buf;
}
- if (caop->op == COP_ENCRYPT)
+ if (caop->op == COP_ENCRYPT) {
dst_len = caop->len +
cryptodev_cipher_get_tag_size(&ses_ptr->cdata);
- else
+ /* TLS with aead ciphers: round dst_len to
cipher blocksize */
+ if (caop->flags & COP_FLAG_AEAD_TLS_TYPE) {
+ int bs = ses_ptr->cdata.blocksize;
+ dst_len += bs - (dst_len % bs);
+ }
+ } else {
dst_len = caop->len;
+ }
ret = get_userbuf(ses_ptr, caop->src, caop->len,
caop->dst, dst_len,
kcaop->task, kcaop->mm, &src_sg,
&dst_sg);
--
1.8.3.1
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