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| author | Kenny Root <kroot@google.com> | 2015-09-25 00:44:37 +0000 |
|---|---|---|
| committer | Android Git Automerger <android-git-automerger@android.com> | 2015-09-25 00:44:37 +0000 |
| commit | e246de8f184e644debf965ecdca552f006b56881 (patch) | |
| tree | dc62c249d595198e0d99e43890019d21e901fbec /src/crypto/rand/internal.h | |
| parent | c737bc23bc868fff21e5c1b95940813f709ea550 (diff) | |
| parent | 00bc53f6f4436972b7a8dcf2c1e5fd0ad7515872 (diff) | |
| download | external_boringssl-e246de8f184e644debf965ecdca552f006b56881.zip external_boringssl-e246de8f184e644debf965ecdca552f006b56881.tar.gz external_boringssl-e246de8f184e644debf965ecdca552f006b56881.tar.bz2 | |
am 00bc53f6: am a04d78d3: Revert "external/boringssl: sync with upstream."
* commit '00bc53f6f4436972b7a8dcf2c1e5fd0ad7515872':
Revert "external/boringssl: sync with upstream."
Diffstat (limited to 'src/crypto/rand/internal.h')
| -rw-r--r-- | src/crypto/rand/internal.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/crypto/rand/internal.h b/src/crypto/rand/internal.h index f35abbb..5e6ea11 100644 --- a/src/crypto/rand/internal.h +++ b/src/crypto/rand/internal.h @@ -24,9 +24,13 @@ extern "C" { * system. */ void CRYPTO_sysrand(uint8_t *buf, size_t len); -/* CRYPTO_hwrand fills |len| bytes at |buf| with entropy from the hardware. It - * returns one on success or zero on hardware failure or if hardware support is - * unavailable. */ +/* CRYPTO_have_hwrand returns one iff |CRYPTO_hwrand| can be called to generate + * hardware entropy. */ +int CRYPTO_have_hwrand(void); + +/* CRYPTO_hwrand fills |len| bytes at |buf| with entropy from the hardware. + * This function can only be called if |CRYPTO_have_hwrand| returns one. + * It returns one on success or zero on hardware failure. */ int CRYPTO_hwrand(uint8_t *buf, size_t len); |