Move lib into src

3 files changed, 97 insertions, 0 deletions

diff --git a/src/lib/kdf/mgf1/info.txt b/src/lib/kdf/mgf1/info.txt
new file mode 100644
index 000000000..c6254b8a0
--- /dev/null
+++ b/src/lib/kdf/mgf1/info.txt
@@ -0,0 +1,5 @@
+define MGF1 20131128
+
+<requires>
+hash
+</requires>
diff --git a/src/lib/kdf/mgf1/mgf1.cpp b/src/lib/kdf/mgf1/mgf1.cpp
new file mode 100644
index 000000000..e0433a02f
--- /dev/null
+++ b/src/lib/kdf/mgf1/mgf1.cpp
@@ -0,0 +1,56 @@
+/*
+* MGF1
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/mgf1.h>
+#include <botan/exceptn.h>
+#include <botan/internal/xor_buf.h>
+#include <algorithm>
+#include <memory>
+
+namespace Botan {
+
+/*
+* MGF1 Mask Generation Function
+*/
+void MGF1::mask(const byte in[], size_t in_len, byte out[],
+                size_t out_len) const
+   {
+   u32bit counter = 0;
+
+   while(out_len)
+      {
+      hash->update(in, in_len);
+      hash->update_be(counter);
+      secure_vector<byte> buffer = hash->final();
+
+      size_t xored = std::min<size_t>(buffer.size(), out_len);
+      xor_buf(out, &buffer[0], xored);
+      out += xored;
+      out_len -= xored;
+
+      ++counter;
+      }
+   }
+
+/*
+* MGF1 Constructor
+*/
+MGF1::MGF1(HashFunction* h) : hash(h)
+   {
+   if(!hash)
+      throw Invalid_Argument("MGF1 given null hash object");
+   }
+
+/*
+* MGF1 Destructor
+*/
+MGF1::~MGF1()
+   {
+   delete hash;
+   }
+
+}
diff --git a/src/lib/kdf/mgf1/mgf1.h b/src/lib/kdf/mgf1/mgf1.h
new file mode 100644
index 000000000..95a2a2bc5
--- /dev/null
+++ b/src/lib/kdf/mgf1/mgf1.h
@@ -0,0 +1,36 @@
+/*
+* MGF1
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_MGF1_H__
+#define BOTAN_MGF1_H__
+
+#include <botan/kdf.h>
+#include <botan/hash.h>
+
+namespace Botan {
+
+/**
+* MGF1 from PKCS #1 v2.0
+*/
+class BOTAN_DLL MGF1 : public MGF
+   {
+   public:
+      void mask(const byte[], size_t, byte[], size_t) const;
+
+      /**
+      MGF1 constructor: takes ownership of hash
+      */
+      MGF1(HashFunction* hash);
+
+      ~MGF1();
+   private:
+      HashFunction* hash;
+   };
+
+}
+
+#endif