1 files changed, 68 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/pubkey/xmss/xmss_wots_addressed_privatekey.h b/comm/third_party/botan/src/lib/pubkey/xmss/xmss_wots_addressed_privatekey.h
new file mode 100644
index 0000000000..debd00ff18
--- /dev/null
+++ b/comm/third_party/botan/src/lib/pubkey/xmss/xmss_wots_addressed_privatekey.h
@@ -0,0 +1,68 @@
+/**
+ * XMSS WOTS Addressed Private Key
+ * (C) 2016 Matthias Gierlings
+ *
+ * Botan is released under the Simplified BSD License (see license.txt)
+ **/
+
+#ifndef BOTAN_XMSS_WOTS_ADDRESSED_PRIVATEKEY_H_
+#define BOTAN_XMSS_WOTS_ADDRESSED_PRIVATEKEY_H_
+
+#include <botan/internal/xmss_address.h>
+#include <botan/internal/xmss_wots_addressed_publickey.h>
+#include <botan/xmss_wots.h>
+
+namespace Botan {
+
+/**
+ * Wrapper class to pair an XMSS_WOTS_PrivateKey with an XMSS Address. Since
+ * the PK_Ops::Signature interface does not allow an extra address
+ * parameter to be passed to the sign(RandomNumberGenerator&), the address
+ * needs to be stored together with the key and passed to the
+ * XMSS_WOTS_Signature_Operation() on creation.
+ **/
+class XMSS_WOTS_Addressed_PrivateKey final :
+      public virtual XMSS_WOTS_Addressed_PublicKey,
+      public virtual Private_Key
+   {
+   public:
+      XMSS_WOTS_Addressed_PrivateKey(const XMSS_WOTS_PrivateKey& private_key)
+         : XMSS_WOTS_Addressed_PublicKey(private_key),
+           m_priv_key(private_key) {}
+
+      XMSS_WOTS_Addressed_PrivateKey(const XMSS_WOTS_PrivateKey& private_key,
+                                     const XMSS_Address& adrs)
+         : XMSS_WOTS_Addressed_PublicKey(private_key, adrs),
+           m_priv_key(private_key) {}
+
+      XMSS_WOTS_Addressed_PrivateKey(XMSS_WOTS_PrivateKey&& private_key)
+         : XMSS_WOTS_Addressed_PublicKey(XMSS_WOTS_PublicKey(private_key)),
+           m_priv_key(std::move(private_key)) {}
+
+      XMSS_WOTS_Addressed_PrivateKey(XMSS_WOTS_PrivateKey&& private_key,
+                                     XMSS_Address&& adrs)
+         : XMSS_WOTS_Addressed_PublicKey(XMSS_WOTS_PublicKey(private_key),
+                                         std::move(adrs)),
+           m_priv_key(std::move(private_key)) {}
+
+      const XMSS_WOTS_PrivateKey& private_key() const { return m_priv_key; }
+      XMSS_WOTS_PrivateKey& private_key() { return m_priv_key; }
+
+      AlgorithmIdentifier
+      pkcs8_algorithm_identifier() const override
+         {
+         return m_priv_key.pkcs8_algorithm_identifier();
+         }
+
+      secure_vector<uint8_t> private_key_bits() const override
+         {
+         return m_priv_key.private_key_bits();
+         }
+
+   private:
+      XMSS_WOTS_PrivateKey m_priv_key;
+   };
+
+}
+
+#endif