From 576ada6d0b1ae20b781d487ba9bbeaadef17b202 Mon Sep 17 00:00:00 2001
From: Krzysztof Kwiatkowski <kris@amongbytes.com>
Date: Sun, 30 Apr 2017 15:48:47 +0100
Subject: Adds KDF based on SP 800-56A. Currently it is revision 1 (alternative
 1). It should be extended to revision 2.

---
 src/lib/kdf/kdf.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

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

diff --git a/src/lib/kdf/kdf.cpp b/src/lib/kdf/kdf.cpp
index 0e9d840c1..122719f6d 100644
--- a/src/lib/kdf/kdf.cpp
+++ b/src/lib/kdf/kdf.cpp
@@ -42,6 +42,10 @@
 #include <botan/sp800_108.h>
 #endif
 
+#if defined(BOTAN_HAS_SP800_56A)
+#include <botan/sp800_56a.h>
+#endif
+
 #if defined(BOTAN_HAS_SP800_56C)
 #include <botan/sp800_56c.h>
 #endif
@@ -185,6 +189,16 @@ std::unique_ptr<KDF> KDF::create(const std::string& algo_spec,
       }
 #endif
 
+#if defined(BOTAN_HAS_SP800_56A)
+   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()));
+         }
+      }
+#endif
+
 #if defined(BOTAN_HAS_SP800_56C)
    if(req.algo_name() == "SP800-56C" && req.arg_count() == 1)
       {
-- 
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