1 files changed, 42 insertions, 0 deletions
diff --git a/src/lib/pk_pad/eme_oaep/oaep.h b/src/lib/pk_pad/eme_oaep/oaep.h
new file mode 100644
index 000000000..250759821
--- /dev/null
+++ b/src/lib/pk_pad/eme_oaep/oaep.h
@@ -0,0 +1,42 @@
+/*
+* OAEP
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_OAEP_H__
+#define BOTAN_OAEP_H__
+
+#include <botan/eme.h>
+#include <botan/kdf.h>
+#include <botan/hash.h>
+#include <memory>
+
+namespace Botan {
+
+/**
+* OAEP (called EME1 in IEEE 1363 and in earlier versions of the library)
+*/
+class BOTAN_DLL OAEP : public EME
+   {
+   public:
+      size_t maximum_input_size(size_t) const;
+
+      /**
+      * @param hash object to use for hashing (takes ownership)
+      * @param P an optional label. Normally empty.
+      */
+      OAEP(HashFunction* hash, const std::string& P = "");
+   private:
+      secure_vector<byte> pad(const byte[], size_t, size_t,
+                             RandomNumberGenerator&) const;
+      secure_vector<byte> unpad(const byte[], size_t, size_t) const;
+
+      secure_vector<byte> m_Phash;
+      std::unique_ptr<HashFunction> m_hash;
+   };
+
+}
+
+#endif