diff options
| author | markm <markm@FreeBSD.org> | 2013-09-06 17:51:52 +0000 |
|---|---|---|
| committer | markm <markm@FreeBSD.org> | 2013-09-06 17:51:52 +0000 |
| commit | d3a8919edc9a8e3635968a76db07078a44c2ead2 (patch) | |
| tree | 95fc4f3c6e930dc97a3bb9eb8e0d624d9cd9335d /sys/dev | |
| parent | 9d67aa8bffecbac35da57b6e638e6ae76f81a4be (diff) | |
| download | FreeBSD-src-d3a8919edc9a8e3635968a76db07078a44c2ead2.zip FreeBSD-src-d3a8919edc9a8e3635968a76db07078a44c2ead2.tar.gz | |
Yarrow wants entropy estimations to be conservative; the usual idea
is that if you are certain you have N bits of entropy, you declare
N/2.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/glxsb/glxsb.c | 2 | ||||
| -rw-r--r-- | sys/dev/hifn/hifn7751.c | 2 | ||||
| -rw-r--r-- | sys/dev/rndtest/rndtest.c | 2 | ||||
| -rw-r--r-- | sys/dev/safe/safe.c | 2 | ||||
| -rw-r--r-- | sys/dev/ubsec/ubsec.c | 2 |
5 files changed, 5 insertions, 5 deletions
diff --git a/sys/dev/glxsb/glxsb.c b/sys/dev/glxsb/glxsb.c index aa17217..5204153 100644 --- a/sys/dev/glxsb/glxsb.c +++ b/sys/dev/glxsb/glxsb.c @@ -476,7 +476,7 @@ glxsb_rnd(void *v) if (status & SB_RNS_TRNG_VALID) { value = bus_read_4(sc->sc_sr, SB_RANDOM_NUM); /* feed with one uint32 */ - random_harvest(&value, 4, 32, 0, RANDOM_PURE); + random_harvest(&value, 4, 32/2, 0, RANDOM_PURE); } callout_reset(&sc->sc_rngco, sc->sc_rnghz, glxsb_rnd, sc); diff --git a/sys/dev/hifn/hifn7751.c b/sys/dev/hifn/hifn7751.c index c5c5af1..ae6c5ac 100644 --- a/sys/dev/hifn/hifn7751.c +++ b/sys/dev/hifn/hifn7751.c @@ -258,7 +258,7 @@ hifn_partname(struct hifn_softc *sc) static void default_harvest(struct rndtest_state *rsp, void *buf, u_int count) { - random_harvest(buf, count, count*NBBY, 0, RANDOM_PURE); + random_harvest(buf, count, count*NBBY/2, 0, RANDOM_PURE); } static u_int diff --git a/sys/dev/rndtest/rndtest.c b/sys/dev/rndtest/rndtest.c index 13ecdd6..3c42972 100644 --- a/sys/dev/rndtest/rndtest.c +++ b/sys/dev/rndtest/rndtest.c @@ -152,7 +152,7 @@ rndtest_harvest(struct rndtest_state *rsp, void *buf, u_int len) for (len /= sizeof (u_int32_t); len; len--) add_true_randomness(*p++); #else - random_harvest(buf, len, len*NBBY, 0, RANDOM_PURE); + random_harvest(buf, len, len*NBBY/2, 0, RANDOM_PURE); #endif } } diff --git a/sys/dev/safe/safe.c b/sys/dev/safe/safe.c index 6bfcf26..721b9f4 100644 --- a/sys/dev/safe/safe.c +++ b/sys/dev/safe/safe.c @@ -211,7 +211,7 @@ safe_partname(struct safe_softc *sc) static void default_harvest(struct rndtest_state *rsp, void *buf, u_int count) { - random_harvest(buf, count, count*NBBY, 0, RANDOM_PURE); + random_harvest(buf, count, count*NBBY/2, 0, RANDOM_PURE); } #endif /* SAFE_NO_RNG */ diff --git a/sys/dev/ubsec/ubsec.c b/sys/dev/ubsec/ubsec.c index 2c0fad4..0e1b7cb 100644 --- a/sys/dev/ubsec/ubsec.c +++ b/sys/dev/ubsec/ubsec.c @@ -259,7 +259,7 @@ ubsec_partname(struct ubsec_softc *sc) static void default_harvest(struct rndtest_state *rsp, void *buf, u_int count) { - random_harvest(buf, count, count*NBBY, 0, RANDOM_PURE); + random_harvest(buf, count, count*NBBY/2, 0, RANDOM_PURE); } static int |
