diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/hmac/hmac.c')
-rw-r--r-- | deps/openssl/openssl/crypto/hmac/hmac.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/deps/openssl/openssl/crypto/hmac/hmac.c b/deps/openssl/openssl/crypto/hmac/hmac.c index e4031b44a5..0c0a7133fb 100644 --- a/deps/openssl/openssl/crypto/hmac/hmac.c +++ b/deps/openssl/openssl/crypto/hmac/hmac.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2019 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 @@ -35,6 +35,13 @@ int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, return 0; } + /* + * The HMAC construction is not allowed to be used with the + * extendable-output functions (XOF) shake128 and shake256. + */ + if ((EVP_MD_meth_get_flags(md) & EVP_MD_FLAG_XOF) != 0) + return 0; + if (key != NULL) { reset = 1; j = EVP_MD_block_size(md); |