Fixes to cryptographic containers:

* Include Sign.cpp in unity builds
* Fix AnySecretKey publicKey and sign
* Make AnyPublicKey copyable
* Define op != for Slice
* Overload op << for Slice
* Overload op << for KeyType

src/ripple/basics/Slice.h

@@ -20,6 +20,7 @@
 #ifndef RIPPLE_BASICS_SLICE_H_INCLUDED
 #define RIPPLE_BASICS_SLICE_H_INCLUDED
 
+#include <ripple/basics/strHex.h>
 #include <beast/utility/noexcept.h>
 #include <algorithm>
 #include <cassert>
@@ -96,6 +97,13 @@ operator== (Slice const& lhs, Slice const& rhs) noexcept
             lhs.data(), rhs.data(), lhs.size()) == 0;
 }
 
+inline
+bool
+operator!= (Slice const& lhs, Slice const& rhs) noexcept
+{
+    return !(lhs == rhs);
+}
+
 inline
 bool
 operator< (Slice const& lhs, Slice const& rhs) noexcept
@@ -105,6 +113,13 @@ operator< (Slice const& lhs, Slice const& rhs) noexcept
             rhs.data(), rhs.data() + rhs.size());
 }
 
+template <class Stream>
+Stream& operator<<(Stream& s, Slice const& v)
+{
+    s << strHex(v.data(), v.size());
+    return s;
+}
+
 } // ripple
 
 #endif

src/ripple/crypto/KeyType.h

@@ -37,6 +37,13 @@ KeyType keyTypeFromString (std::string const& s);
 
 const char* to_string (KeyType type);
 
+template <class Stream>
+inline
+Stream& operator<<(Stream& s, KeyType type)
+{
+    return s << to_string(type);
+}
+
 }
 
 #endif

src/ripple/protocol/AnyPublicKey.h

@@ -102,9 +102,16 @@ private:
 
 public:
     AnyPublicKey() = delete;
-    AnyPublicKey (AnyPublicKey const&) = delete;
     AnyPublicKey& operator= (AnyPublicKey const&) = delete;
 
+    AnyPublicKey (AnyPublicKey const& other)
+        : buffer_type(other.buffer_type::member.data(),
+            other.buffer_type::member.size())
+        , AnyPublicKeySlice (buffer_type::member.data(),
+            buffer_type::member.size())
+    {
+    }
+
 #ifdef _MSC_VER
     AnyPublicKey (AnyPublicKey&& other)
         : buffer_type(std::move(other.buffer_type::member))

src/ripple/protocol/impl/AnySecretKey.cpp

@@ -77,7 +77,7 @@ AnySecretKey::publicKey() const
     {
         unsigned char buf[33];
         buf[0] = 0xED;
-        ed25519_publickey(p_.data() + 1, &buf[1]);
+        ed25519_publickey(p_.data(), &buf[1]);
         return AnyPublicKey(buf, sizeof(buf));
     }
     default:
@@ -94,7 +94,7 @@ AnySecretKey::sign (
     {
         case KeyType::ed25519:
         {
-            auto const sk = p_.data() + 1;
+            auto const sk = p_.data();
             ed25519_public_key pk;
             ed25519_publickey(sk, pk);
             Buffer b(64);

src/ripple/unity/protocol.cpp

@@ -31,6 +31,7 @@
 #include <ripple/protocol/impl/RippleAddress.cpp>
 #include <ripple/protocol/impl/Serializer.cpp>
 #include <ripple/protocol/impl/SField.cpp>
+#include <ripple/protocol/impl/Sign.cpp>
 #include <ripple/protocol/impl/SOTemplate.cpp>
 #include <ripple/protocol/impl/TER.cpp>
 #include <ripple/protocol/impl/TxFormats.cpp>