From d5354c1c3ee0067dd35ca253d4b8914f870cea75 Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Sat, 18 Jan 2014 23:00:53 +0000
Subject: More unique_ptr, and pull <memory> all the way up to types.h

---
 src/lib/pk_pad/emsa1_bsi/emsa1_bsi.cpp | 29 ++++++++++++++++++++++++++++
 src/lib/pk_pad/emsa1_bsi/emsa1_bsi.h   | 35 ++++++++++++++++++++++++++++++++++
 src/lib/pk_pad/emsa1_bsi/info.txt      |  5 +++++
 3 files changed, 69 insertions(+)
 create mode 100644 src/lib/pk_pad/emsa1_bsi/emsa1_bsi.cpp
 create mode 100644 src/lib/pk_pad/emsa1_bsi/emsa1_bsi.h
 create mode 100644 src/lib/pk_pad/emsa1_bsi/info.txt

(limited to 'src/lib/pk_pad/emsa1_bsi')

diff --git a/src/lib/pk_pad/emsa1_bsi/emsa1_bsi.cpp b/src/lib/pk_pad/emsa1_bsi/emsa1_bsi.cpp
new file mode 100644
index 000000000..235dfb91b
--- /dev/null
+++ b/src/lib/pk_pad/emsa1_bsi/emsa1_bsi.cpp
@@ -0,0 +1,29 @@
+/*
+* EMSA1 BSI
+* (C) 1999-2008 Jack Lloyd
+*     2008 Falko Strenzke, FlexSecure GmbH
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/emsa1_bsi.h>
+
+namespace Botan {
+
+/*
+* EMSA1 BSI Encode Operation
+*/
+secure_vector<byte> EMSA1_BSI::encoding_of(const secure_vector<byte>& msg,
+                                          size_t output_bits,
+                                          RandomNumberGenerator&)
+   {
+   if(msg.size() != hash_output_length())
+      throw Encoding_Error("EMSA1_BSI::encoding_of: Invalid size for input");
+
+   if(8*msg.size() <= output_bits)
+      return msg;
+
+   throw Encoding_Error("EMSA1_BSI::encoding_of: max key input size exceeded");
+   }
+
+}
diff --git a/src/lib/pk_pad/emsa1_bsi/emsa1_bsi.h b/src/lib/pk_pad/emsa1_bsi/emsa1_bsi.h
new file mode 100644
index 000000000..a2b0c7432
--- /dev/null
+++ b/src/lib/pk_pad/emsa1_bsi/emsa1_bsi.h
@@ -0,0 +1,35 @@
+/*
+* EMSA1 BSI Variant
+* (C) 1999-2008 Jack Lloyd
+*     2007 FlexSecure GmbH
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_EMSA1_BSI_H__
+#define BOTAN_EMSA1_BSI_H__
+
+#include <botan/emsa1.h>
+
+namespace Botan {
+
+/**
+* EMSA1_BSI is a variant of EMSA1 specified by the BSI. It accepts
+* only hash values which are less or equal than the maximum key
+* length. The implementation comes from InSiTo
+*/
+class BOTAN_DLL EMSA1_BSI : public EMSA1
+   {
+   public:
+      /**
+      * @param hash the hash object to use
+      */
+      EMSA1_BSI(HashFunction* hash) : EMSA1(hash) {}
+   private:
+      secure_vector<byte> encoding_of(const secure_vector<byte>&, size_t,
+                                     RandomNumberGenerator& rng);
+   };
+
+}
+
+#endif
diff --git a/src/lib/pk_pad/emsa1_bsi/info.txt b/src/lib/pk_pad/emsa1_bsi/info.txt
new file mode 100644
index 000000000..021c99720
--- /dev/null
+++ b/src/lib/pk_pad/emsa1_bsi/info.txt
@@ -0,0 +1,5 @@
+define EMSA1_BSI 20131128
+
+<requires>
+emsa1
+</requires>
-- 
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