/** @file\r
Pseudorandom Number Generator Wrapper Implementation over OpenSSL.\r
\r
-Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2012 - 2013, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
\r
#include "InternalCryptLib.h"\r
#include <openssl/rand.h>\r
+#include <openssl/evp.h>\r
#include <Library/PrintLib.h>\r
\r
/**\r
return FALSE;\r
}\r
\r
+ //\r
+ // The software PRNG implementation built in OpenSSL depends on message digest algorithm.\r
+ // Make sure SHA-1 digest algorithm is available here.\r
+ //\r
+ if (EVP_add_digest (EVP_sha1 ()) == 0) {\r
+ return FALSE;\r
+ }\r
+\r
//\r
// Seed the pseudorandom number generator with user-supplied value.\r
// NOTE: A cryptographic PRNG must be seeded with unpredictable data.\r