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authorKenny Root <kroot@google.com>2015-07-24 18:56:05 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-07-24 18:56:05 +0000
commit07f4f42347557420f105a72d9a93bc8ee88a3dc5 (patch)
tree4d210b442e8e6742e9b0ff9dca4fc158c1a6a03e /src/crypto/rand/rand.c
parent71a0705e8fc5c39ca5b1daa512ef90c37246a76f (diff)
parentbd9957e6e28506c4431ce8d3cadbc0a04905b15e (diff)
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Merge changes Icdc56a50,I63d5dc28,Ia7d0c5d8,I47406533
* changes: Handle RDRAND failures. dsa_pub_encode: Write out DSA parameters (p, q, g) in addition to key. Fix for CVE-2015-1789. Fixes for CVE-2015-1791.
Diffstat (limited to 'src/crypto/rand/rand.c')
-rw-r--r--src/crypto/rand/rand.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/crypto/rand/rand.c b/src/crypto/rand/rand.c
index a647b6a..a96ac48 100644
--- a/src/crypto/rand/rand.c
+++ b/src/crypto/rand/rand.c
@@ -78,7 +78,8 @@ int RAND_bytes(uint8_t *buf, size_t len) {
return 1;
}
- if (!CRYPTO_have_hwrand()) {
+ if (!CRYPTO_have_hwrand() ||
+ !CRYPTO_hwrand(buf, len)) {
/* Without a hardware RNG to save us from address-space duplication, the OS
* entropy is used directly. */
CRYPTO_sysrand(buf, len);
@@ -108,8 +109,6 @@ int RAND_bytes(uint8_t *buf, size_t len) {
state->partial_block_used = sizeof(state->partial_block);
}
- CRYPTO_hwrand(buf, len);
-
if (len >= sizeof(state->partial_block)) {
size_t remaining = len;
while (remaining > 0) {