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diff -up openssl-1.0.2k/crypto/fips/fips_drbg_lib.c.fips-randlock openssl-1.0.2k/crypto/fips/fips_drbg_lib.c
--- openssl-1.0.2k/crypto/fips/fips_drbg_lib.c.fips-randlock 2017-03-09 17:59:26.249231181 +0100
+++ openssl-1.0.2k/crypto/fips/fips_drbg_lib.c 2017-11-16 09:16:06.188098078 +0100
@@ -338,6 +338,12 @@ int FIPS_drbg_reseed(DRBG_CTX *dctx,
return drbg_reseed(dctx, adin, adinlen, 1);
}
+void FIPS_drbg_set_reseed(DRBG_CTX *dctx)
+{
+ if (dctx->status == DRBG_STATUS_READY)
+ dctx->reseed_counter = dctx->reseed_interval;
+}
+
static int fips_drbg_check(DRBG_CTX *dctx)
{
if (dctx->xflags & DRBG_FLAG_TEST)
diff -up openssl-1.0.2k/crypto/fips/fips_rand.h.fips-randlock openssl-1.0.2k/crypto/fips/fips_rand.h
--- openssl-1.0.2k/crypto/fips/fips_rand.h.fips-randlock 2017-03-09 17:59:26.252231250 +0100
+++ openssl-1.0.2k/crypto/fips/fips_rand.h 2017-11-07 10:06:40.241450151 +0100
@@ -86,6 +86,7 @@ extern "C" {
const unsigned char *pers, size_t perslen);
int FIPS_drbg_reseed(DRBG_CTX *dctx, const unsigned char *adin,
size_t adinlen);
+ void FIPS_drbg_set_reseed(DRBG_CTX *dctx);
int FIPS_drbg_generate(DRBG_CTX *dctx, unsigned char *out, size_t outlen,
int prediction_resistance,
const unsigned char *adin, size_t adinlen);
diff -up openssl-1.0.2k/crypto/rand/md_rand.c.fips-randlock openssl-1.0.2k/crypto/rand/md_rand.c
--- openssl-1.0.2k/crypto/rand/md_rand.c.fips-randlock 2017-03-09 17:59:26.255231320 +0100
+++ openssl-1.0.2k/crypto/rand/md_rand.c 2017-12-06 09:20:23.615879425 +0100
@@ -391,10 +391,10 @@ int ssleay_rand_bytes(unsigned char *buf
CRYPTO_w_unlock(CRYPTO_LOCK_RAND2);
crypto_lock_rand = 1;
- /* always poll for external entropy in FIPS mode, drbg provides the
- * expansion
+ /* always poll for external entropy in FIPS mode, if run as seed
+ * source, drbg provides the expansion
*/
- if (!initialized || FIPS_module_mode()) {
+ if (!initialized || (!lock && FIPS_module_mode())) {
RAND_poll();
initialized = 1;
}
diff -up openssl-1.0.2k/crypto/rand/rand_lib.c.fips-randlock openssl-1.0.2k/crypto/rand/rand_lib.c
--- openssl-1.0.2k/crypto/rand/rand_lib.c.fips-randlock 2017-03-09 17:59:26.292232183 +0100
+++ openssl-1.0.2k/crypto/rand/rand_lib.c 2017-11-07 10:20:08.050403861 +0100
@@ -238,7 +238,7 @@ static int drbg_rand_add(DRBG_CTX *ctx,
RAND_SSLeay()->add(in, inlen, entropy);
if (FIPS_rand_status()) {
CRYPTO_w_lock(CRYPTO_LOCK_RAND);
- FIPS_drbg_reseed(ctx, NULL, 0);
+ FIPS_drbg_set_reseed(ctx);
CRYPTO_w_unlock(CRYPTO_LOCK_RAND);
}
return 1;
@@ -249,7 +249,7 @@ static int drbg_rand_seed(DRBG_CTX *ctx,
RAND_SSLeay()->seed(in, inlen);
if (FIPS_rand_status()) {
CRYPTO_w_lock(CRYPTO_LOCK_RAND);
- FIPS_drbg_reseed(ctx, NULL, 0);
+ FIPS_drbg_set_reseed(ctx);
CRYPTO_w_unlock(CRYPTO_LOCK_RAND);
}
return 1;