diff options
Diffstat (limited to 'providers/implementations/rands/drbg_ctr.c')
| -rw-r--r-- | providers/implementations/rands/drbg_ctr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/providers/implementations/rands/drbg_ctr.c b/providers/implementations/rands/drbg_ctr.c index 21fdce640816..269459c1cf09 100644 --- a/providers/implementations/rands/drbg_ctr.c +++ b/providers/implementations/rands/drbg_ctr.c @@ -1,5 +1,5 @@ /* - * Copyright 2011-2024 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2011-2025 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -20,6 +20,7 @@ #include "prov/providercommon.h" #include "prov/provider_ctx.h" #include "drbg_local.h" +#include "internal/cryptlib.h" static OSSL_FUNC_rand_newctx_fn drbg_ctr_new_wrapper; static OSSL_FUNC_rand_freectx_fn drbg_ctr_free; @@ -80,6 +81,8 @@ static void ctr_XOR(PROV_DRBG_CTR *ctr, const unsigned char *in, size_t inlen) * are XORing. So just process however much input we have. */ n = inlen < ctr->keylen ? inlen : ctr->keylen; + if (!ossl_assert(n <= sizeof(ctr->K))) + return; for (i = 0; i < n; i++) ctr->K[i] ^= in[i]; if (inlen <= ctr->keylen) |