diff options
Diffstat (limited to 'crypto/openssl/crypto/rand/rand_lib.c')
-rw-r--r-- | crypto/openssl/crypto/rand/rand_lib.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/crypto/openssl/crypto/rand/rand_lib.c b/crypto/openssl/crypto/rand/rand_lib.c index 91b26523110f3..ab4e9b5486cb3 100644 --- a/crypto/openssl/crypto/rand/rand_lib.c +++ b/crypto/openssl/crypto/rand/rand_lib.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -11,10 +11,10 @@ #include <time.h> #include "internal/cryptlib.h" #include <openssl/opensslconf.h> -#include "internal/rand_int.h" +#include "crypto/rand.h" #include <openssl/engine.h> #include "internal/thread_once.h" -#include "rand_lcl.h" +#include "rand_local.h" #include "e_os.h" #ifndef OPENSSL_NO_ENGINE @@ -386,6 +386,9 @@ int RAND_poll(void) const RAND_METHOD *meth = RAND_get_rand_method(); + if (meth == NULL) + return 0; + if (meth == RAND_OpenSSL()) { /* fill random pool and seed the master DRBG */ RAND_DRBG *drbg = RAND_DRBG_get0_master(); @@ -765,7 +768,7 @@ int rand_pool_add(RAND_POOL *pool, * is returned without producing an error message. * * After updating the buffer, rand_pool_add_end() needs to be called - * to finish the udpate operation (see next comment). + * to finish the update operation (see next comment). */ unsigned char *rand_pool_add_begin(RAND_POOL *pool, size_t len) { @@ -896,7 +899,7 @@ void RAND_seed(const void *buf, int num) { const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth->seed != NULL) + if (meth != NULL && meth->seed != NULL) meth->seed(buf, num); } @@ -904,7 +907,7 @@ void RAND_add(const void *buf, int num, double randomness) { const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth->add != NULL) + if (meth != NULL && meth->add != NULL) meth->add(buf, num, randomness); } @@ -917,24 +920,22 @@ int RAND_priv_bytes(unsigned char *buf, int num) { const RAND_METHOD *meth = RAND_get_rand_method(); RAND_DRBG *drbg; - int ret; - if (meth != RAND_OpenSSL()) + if (meth != NULL && meth != RAND_OpenSSL()) return RAND_bytes(buf, num); drbg = RAND_DRBG_get0_private(); - if (drbg == NULL) - return 0; + if (drbg != NULL) + return RAND_DRBG_bytes(drbg, buf, num); - ret = RAND_DRBG_bytes(drbg, buf, num); - return ret; + return 0; } int RAND_bytes(unsigned char *buf, int num) { const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth->bytes != NULL) + if (meth != NULL && meth->bytes != NULL) return meth->bytes(buf, num); RANDerr(RAND_F_RAND_BYTES, RAND_R_FUNC_NOT_IMPLEMENTED); return -1; @@ -945,8 +946,9 @@ int RAND_pseudo_bytes(unsigned char *buf, int num) { const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth->pseudorand != NULL) + if (meth != NULL && meth->pseudorand != NULL) return meth->pseudorand(buf, num); + RANDerr(RAND_F_RAND_PSEUDO_BYTES, RAND_R_FUNC_NOT_IMPLEMENTED); return -1; } #endif @@ -955,7 +957,7 @@ int RAND_status(void) { const RAND_METHOD *meth = RAND_get_rand_method(); - if (meth->status != NULL) + if (meth != NULL && meth->status != NULL) return meth->status(); return 0; } |