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Import OpenSSL 1.0.2q

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This commit is contained in:
Steve Dower
2018-12-07 11:08:57 -08:00
parent 4b1c388f4d
commit 4155d3c2bd
75 changed files with 3071 additions and 1937 deletions
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28
crypto/rand/md_rand.c
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@@ -56,7 +56,7 @@
* [including the GNU Public Licence.]
*/
/* ====================================================================
* Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
* Copyright (c) 1998-2018 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -345,7 +345,6 @@ int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo, int lock)
static volatile int stirred_pool = 0;
int i, j, k;
size_t num_ceil, st_idx, st_num;
int ok;
long md_c[2];
unsigned char local_md[MD_DIGEST_LENGTH];
EVP_MD_CTX m;
@@ -400,14 +399,13 @@ int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo, int lock)
if (!initialized) {
RAND_poll();
initialized = 1;
initialized = (entropy >= ENTROPY_NEEDED);
}
if (!stirred_pool)
do_stir_pool = 1;
ok = (entropy >= ENTROPY_NEEDED);
if (!ok) {
if (!initialized) {
/*
* If the PRNG state is not yet unpredictable, then seeing the PRNG
* output may help attackers to determine the new state; thus we have
@@ -446,7 +444,7 @@ int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo, int lock)
ssleay_rand_add(DUMMY_SEED, MD_DIGEST_LENGTH, 0.0);
n -= MD_DIGEST_LENGTH;
}
if (ok)
if (initialized)
stirred_pool = 1;
}
@@ -539,7 +537,7 @@ int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo, int lock)
CRYPTO_w_unlock(CRYPTO_LOCK_RAND);
EVP_MD_CTX_cleanup(&m);
if (ok)
if (initialized)
return (1);
else if (pseudo)
return 0;
@@ -555,6 +553,18 @@ int ssleay_rand_bytes(unsigned char *buf, int num, int pseudo, int lock)
return (0);
}
/*
* Returns ssleay_rand_bytes(), enforcing a reseeding from the
* system entropy sources using RAND_poll() before generating
`* the random bytes.
*/
int ssleay_rand_bytes_from_system(unsigned char *buf, int num)
{
initialized = 0;
return ssleay_rand_bytes(buf, num, 0, 0);
}
static int ssleay_rand_nopseudo_bytes(unsigned char *buf, int num)
{
return ssleay_rand_bytes(buf, num, 0, 1);
@@ -600,10 +610,10 @@ static int ssleay_rand_status(void)
if (!initialized) {
RAND_poll();
initialized = 1;
initialized = (entropy >= ENTROPY_NEEDED);
}
ret = entropy >= ENTROPY_NEEDED;
ret = initialized;
if (!do_not_lock) {
/* before unlocking, we must clear 'crypto_lock_rand' */