From 827a62c7880d1f1b15010e088195f20a8b6304ec Mon Sep 17 00:00:00 2001
From: Krzysztof Kwiatkowski <kris@amongbytes.com>
Date: Tue, 2 May 2017 23:17:32 +0100
Subject: SP800-56A revision 2 implementation

---
 src/lib/kdf/kdf.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/lib/kdf/kdf.cpp')

diff --git a/src/lib/kdf/kdf.cpp b/src/lib/kdf/kdf.cpp
index 122719f6d..695523d8e 100644
--- a/src/lib/kdf/kdf.cpp
+++ b/src/lib/kdf/kdf.cpp
@@ -193,9 +193,9 @@ std::unique_ptr<KDF> KDF::create(const std::string& algo_spec,
    if(req.algo_name() == "SP800-56A" && req.arg_count() == 1)
       {
       if(auto hash = HashFunction::create(req.arg(0)))
-         {
-         return std::unique_ptr<KDF>(new SP800_56A(hash.release()));
-         }
+         return std::unique_ptr<KDF>(new SP800_56A<HashFunction>(hash.release()));
+      if(auto mac = MessageAuthenticationCode::create(req.arg(0)))
+         return std::unique_ptr<KDF>(new SP800_56A<MessageAuthenticationCode>(mac.release()));
       }
 #endif
 
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