Author: jhb
Date: Wed Jan 24 20:16:48 2018
New Revision: 328361
URL: https://svnweb.freebsd.org/changeset/base/328361
Log:
Store IV in output buffer in GCM software fallback when requested.
Properly honor the lack of the CRD_F_IV_PRESENT flag in the GCM
software fallback case for encryption requests.
Submitted by: Harsh Jain @ Chelsio
Sponsored by: Chelsio Communications
Modified:
head/sys/dev/cxgbe/crypto/t4_crypto.c
Modified: head/sys/dev/cxgbe/crypto/t4_crypto.c
==============================================================================
--- head/sys/dev/cxgbe/crypto/t4_crypto.c Wed Jan 24 20:15:49 2018
(r328360)
+++ head/sys/dev/cxgbe/crypto/t4_crypto.c Wed Jan 24 20:16:48 2018
(r328361)
@@ -1467,6 +1467,9 @@ ccr_gcm_soft(struct ccr_session *s, struct cryptop *cr
memcpy(iv, crde->crd_iv, 12);
else
arc4rand(iv, 12, 0);
+ if ((crde->crd_flags & CRD_F_IV_PRESENT) == 0)
+ crypto_copyback(crp->crp_flags, crp->crp_buf,
+ crde->crd_inject, 12, iv);
} else {
if (crde->crd_flags & CRD_F_IV_EXPLICIT)
memcpy(iv, crde->crd_iv, 12);
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