From fb96831c1ff767cd86099f66127fa4dc1ec6e277 Mon Sep 17 00:00:00 2001
From: Cory Fields <cory-nospam-@coryfields.com>
Date: Thu, 26 Mar 2015 17:37:29 -0400
Subject: [PATCH] crypter: constify encrypt/decrypt

This makes CCrypter easier to pass aroundf for tests
---
 src/wallet/crypter.cpp | 4 ++--
 src/wallet/crypter.h   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/wallet/crypter.cpp b/src/wallet/crypter.cpp
index 8f555579f..e37a9c4c8 100644
--- a/src/wallet/crypter.cpp
+++ b/src/wallet/crypter.cpp
@@ -47,7 +47,7 @@ bool CCrypter::SetKey(const CKeyingMaterial& chNewKey, const std::vector<unsigne
     return true;
 }
 
-bool CCrypter::Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned char> &vchCiphertext)
+bool CCrypter::Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned char> &vchCiphertext) const
 {
     if (!fKeySet)
         return false;
@@ -74,7 +74,7 @@ bool CCrypter::Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned
     return true;
 }
 
-bool CCrypter::Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingMaterial& vchPlaintext)
+bool CCrypter::Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingMaterial& vchPlaintext) const
 {
     if (!fKeySet)
         return false;
diff --git a/src/wallet/crypter.h b/src/wallet/crypter.h
index b4727ac8a..3457d40ff 100644
--- a/src/wallet/crypter.h
+++ b/src/wallet/crypter.h
@@ -77,8 +77,8 @@ private:
 
 public:
     bool SetKeyFromPassphrase(const SecureString &strKeyData, const std::vector<unsigned char>& chSalt, const unsigned int nRounds, const unsigned int nDerivationMethod);
-    bool Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned char> &vchCiphertext);
-    bool Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingMaterial& vchPlaintext);
+    bool Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned char> &vchCiphertext) const;
+    bool Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingMaterial& vchPlaintext) const;
     bool SetKey(const CKeyingMaterial& chNewKey, const std::vector<unsigned char>& chNewIV);
 
     void CleanKey()