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Explicitly zero IVs on the stack.

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Reviewed by:	delphij
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D25057
This commit is contained in:
jhb 2020-06-03 22:19:52 +00:00
parent 276f494a35
commit 8a557cb63a
1 changed files with 4 additions and 0 deletions
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4
sys/dev/cxgbe/crypto/t4_crypto.c
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@ -751,6 +751,7 @@ ccr_blkcipher(struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
/* XXX: TODO backpressure */
t4_wrq_tx(sc->adapter, wr);
explicit_bzero(iv, sizeof(iv));
return (0);
}
@ -1069,6 +1070,7 @@ ccr_eta(struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
/* XXX: TODO backpressure */
t4_wrq_tx(sc->adapter, wr);
explicit_bzero(iv, sizeof(iv));
return (0);
}
@ -1351,6 +1353,7 @@ ccr_gcm(struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
/* XXX: TODO backpressure */
t4_wrq_tx(sc->adapter, wr);
explicit_bzero(iv, sizeof(iv));
return (0);
}
@ -1818,6 +1821,7 @@ ccr_ccm(struct ccr_softc *sc, struct ccr_session *s, struct cryptop *crp)
/* XXX: TODO backpressure */
t4_wrq_tx(sc->adapter, wr);
explicit_bzero(iv, sizeof(iv));
return (0);
}