diff options
Diffstat (limited to 'src/crypto/rand/internal.h')
| -rw-r--r-- | src/crypto/rand/internal.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/crypto/rand/internal.h b/src/crypto/rand/internal.h index 1cca7f3..5e6ea11 100644 --- a/src/crypto/rand/internal.h +++ b/src/crypto/rand/internal.h @@ -29,8 +29,9 @@ void CRYPTO_sysrand(uint8_t *buf, size_t len); 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. */ -void CRYPTO_hwrand(uint8_t *buf, size_t len); + * 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); #if defined(__cplusplus) |