diff options
Diffstat (limited to 'crypto/rand/drbg_lib.c')
| -rw-r--r-- | crypto/rand/drbg_lib.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/crypto/rand/drbg_lib.c b/crypto/rand/drbg_lib.c index eef5e11cc5..0042a931b0 100644 --- a/crypto/rand/drbg_lib.c +++ b/crypto/rand/drbg_lib.c @@ -356,6 +356,8 @@ int RAND_DRBG_generate(RAND_DRBG *drbg, unsigned char *out, size_t outlen, int prediction_resistance, const unsigned char *adin, size_t adinlen) { + int reseed_required = 0; + if (drbg->state != DRBG_READY) { /* try to recover from previous errors */ rand_drbg_restart(drbg, NULL, 0, 0); @@ -381,13 +383,13 @@ int RAND_DRBG_generate(RAND_DRBG *drbg, unsigned char *out, size_t outlen, if (drbg->fork_count != rand_fork_count) { drbg->fork_count = rand_fork_count; - drbg->state = DRBG_RESEED; + reseed_required = 1; } if (drbg->reseed_counter >= drbg->reseed_interval) - drbg->state = DRBG_RESEED; + reseed_required = 1; - if (drbg->state == DRBG_RESEED || prediction_resistance) { + if (reseed_required || prediction_resistance) { if (!RAND_DRBG_reseed(drbg, adin, adinlen)) { RANDerr(RAND_F_RAND_DRBG_GENERATE, RAND_R_RESEED_ERROR); return 0; @@ -402,10 +404,8 @@ int RAND_DRBG_generate(RAND_DRBG *drbg, unsigned char *out, size_t outlen, return 0; } - if (drbg->reseed_counter >= drbg->reseed_interval) - drbg->state = DRBG_RESEED; - else - drbg->reseed_counter++; + drbg->reseed_counter++; + return 1; } |