diff options
author | Ulf Möller <ulf@openssl.org> | 2000-01-13 20:59:17 +0000 |
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committer | Ulf Möller <ulf@openssl.org> | 2000-01-13 20:59:17 +0000 |
commit | eb952088f0d5da59e569ae2aa33e9b96bc3b586d (patch) | |
tree | 1d722a423148a6b568a1e6d42f01943aed6cfb2a /crypto/rand/rand_lib.c | |
parent | 22e219d90f1ea5d3b2f4abb72c846a436ea33eff (diff) |
Precautions against using the PRNG uninitialized: RAND_bytes() now
returns int (1 = ok, 0 = not seeded). New function RAND_add() is the
same as RAND_seed() but takes an estimate of the entropy as an additional
argument.
Diffstat (limited to 'crypto/rand/rand_lib.c')
-rw-r--r-- | crypto/rand/rand_lib.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/crypto/rand/rand_lib.c b/crypto/rand/rand_lib.c index 0f96e166e5..3cdba48ba8 100644 --- a/crypto/rand/rand_lib.c +++ b/crypto/rand/rand_lib.c @@ -89,9 +89,16 @@ void RAND_seed(const void *buf, int num) rand_meth->seed(buf,num); } -void RAND_bytes(unsigned char *buf, int num) +void RAND_add(const void *buf, int num, int entropy) { if (rand_meth != NULL) - rand_meth->bytes(buf,num); + rand_meth->add(buf,num,entropy); + } + +int RAND_bytes(unsigned char *buf, int num) + { + if (rand_meth != NULL) + return rand_meth->bytes(buf,num); + return(-1); } |