Date: Wed, 24 Jan 2018 20:16:49 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r328361 - head/sys/dev/cxgbe/crypto Message-ID: <201801242016.w0OKGneM037766@repo.freebsd.org>
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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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