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