From d4b0ab21490579639471ce7c38bd03f13593c50f 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 be693881f..190f8ecf2 100644
--- a/src/wallet/crypter.cpp
+++ b/src/wallet/crypter.cpp
@@ -73,7 +73,7 @@ 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;
@@ -91,7 +91,7 @@ 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 af174887c..5d0a4a330 100644
--- a/src/wallet/crypter.h
+++ b/src/wallet/crypter.h
@@ -85,8 +85,8 @@ 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()