1 files changed, 0 insertions, 133 deletions
diff --git a/src/crypter.cpp b/src/crypter.cpp
deleted file mode 100644
index 4f37575a6..000000000
--- a/src/crypter.cpp
+++ /dev/null
@@ -1,133 +0,0 @@
-// Copyright (c) 2009-2012 The Bitcoin Developers
-// Distributed under the MIT/X11 software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include <openssl/aes.h>
-#include <openssl/evp.h>
-#include <vector>
-#include <string>
-#ifdef WIN32
-#include <windows.h>
-#endif
-
-#include "crypter.h"
-
-bool CCrypter::SetKeyFromPassphrase(const SecureString& strKeyData, const std::vector<unsigned char>& chSalt, const unsigned int nRounds, const unsigned int nDerivationMethod)
-{
-    if (nRounds < 1 || chSalt.size() != WALLET_CRYPTO_SALT_SIZE)
-        return false;
-
-    // Try to keep the keydata out of swap (and be a bit over-careful to keep the IV that we don't even use out of swap)
-    // Note that this does nothing about suspend-to-disk (which will put all our key data on disk)
-    // Note as well that at no point in this program is any attempt made to prevent stealing of keys by reading the memory of the running process.  
-    mlock(&chKey[0], sizeof chKey);
-    mlock(&chIV[0], sizeof chIV);
-
-    int i = 0;
-    if (nDerivationMethod == 0)
-        i = EVP_BytesToKey(EVP_aes_256_cbc(), EVP_sha512(), &chSalt[0],
-                          (unsigned char *)&strKeyData[0], strKeyData.size(), nRounds, chKey, chIV);
-
-    if (i != (int)WALLET_CRYPTO_KEY_SIZE)
-    {
-        memset(&chKey, 0, sizeof chKey);
-        memset(&chIV, 0, sizeof chIV);
-        return false;
-    }
-
-    fKeySet = true;
-    return true;
-}
-
-bool CCrypter::SetKey(const CKeyingMaterial& chNewKey, const std::vector<unsigned char>& chNewIV)
-{
-    if (chNewKey.size() != WALLET_CRYPTO_KEY_SIZE || chNewIV.size() != WALLET_CRYPTO_KEY_SIZE)
-        return false;
-
-    // Try to keep the keydata out of swap
-    // Note that this does nothing about suspend-to-disk (which will put all our key data on disk)
-    // Note as well that at no point in this program is any attempt made to prevent stealing of keys by reading the memory of the running process.  
-    mlock(&chKey[0], sizeof chKey);
-    mlock(&chIV[0], sizeof chIV);
-
-    memcpy(&chKey[0], &chNewKey[0], sizeof chKey);
-    memcpy(&chIV[0], &chNewIV[0], sizeof chIV);
-
-    fKeySet = true;
-    return true;
-}
-
-bool CCrypter::Encrypt(const CKeyingMaterial& vchPlaintext, std::vector<unsigned char> &vchCiphertext)
-{
-    if (!fKeySet)
-        return false;
-
-    // max ciphertext len for a n bytes of plaintext is
-    // n + AES_BLOCK_SIZE - 1 bytes
-    int nLen = vchPlaintext.size();
-    int nCLen = nLen + AES_BLOCK_SIZE, nFLen = 0;
-    vchCiphertext = std::vector<unsigned char> (nCLen);
-
-    EVP_CIPHER_CTX ctx;
-
-    bool fOk = true;
-
-    EVP_CIPHER_CTX_init(&ctx);
-    if (fOk) fOk = EVP_EncryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV);
-    if (fOk) fOk = EVP_EncryptUpdate(&ctx, &vchCiphertext[0], &nCLen, &vchPlaintext[0], nLen);
-    if (fOk) fOk = EVP_EncryptFinal_ex(&ctx, (&vchCiphertext[0])+nCLen, &nFLen);
-    EVP_CIPHER_CTX_cleanup(&ctx);
-
-    if (!fOk) return false;
-
-    vchCiphertext.resize(nCLen + nFLen);
-    return true;
-}
-
-bool CCrypter::Decrypt(const std::vector<unsigned char>& vchCiphertext, CKeyingMaterial& vchPlaintext)
-{
-    if (!fKeySet)
-        return false;
-
-    // plaintext will always be equal to or lesser than length of ciphertext
-    int nLen = vchCiphertext.size();
-    int nPLen = nLen, nFLen = 0;
-
-    vchPlaintext = CKeyingMaterial(nPLen);
-
-    EVP_CIPHER_CTX ctx;
-
-    bool fOk = true;
-
-    EVP_CIPHER_CTX_init(&ctx);
-    if (fOk) fOk = EVP_DecryptInit_ex(&ctx, EVP_aes_256_cbc(), NULL, chKey, chIV);
-    if (fOk) fOk = EVP_DecryptUpdate(&ctx, &vchPlaintext[0], &nPLen, &vchCiphertext[0], nLen);
-    if (fOk) fOk = EVP_DecryptFinal_ex(&ctx, (&vchPlaintext[0])+nPLen, &nFLen);
-    EVP_CIPHER_CTX_cleanup(&ctx);
-
-    if (!fOk) return false;
-
-    vchPlaintext.resize(nPLen + nFLen);
-    return true;
-}
-
-
-bool EncryptSecret(CKeyingMaterial& vMasterKey, const CSecret &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext)
-{
-    CCrypter cKeyCrypter;
-    std::vector<unsigned char> chIV(WALLET_CRYPTO_KEY_SIZE);
-    memcpy(&chIV[0], &nIV, WALLET_CRYPTO_KEY_SIZE);
-    if(!cKeyCrypter.SetKey(vMasterKey, chIV))
-        return false;
-    return cKeyCrypter.Encrypt((CKeyingMaterial)vchPlaintext, vchCiphertext);
-}
-
-bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CSecret& vchPlaintext)
-{
-    CCrypter cKeyCrypter;
-    std::vector<unsigned char> chIV(WALLET_CRYPTO_KEY_SIZE);
-    memcpy(&chIV[0], &nIV, WALLET_CRYPTO_KEY_SIZE);
-    if(!cKeyCrypter.SetKey(vMasterKey, chIV))
-        return false;
-    return cKeyCrypter.Decrypt(vchCiphertext, *((CKeyingMaterial*)&vchPlaintext));
-}