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INSTALL.md
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btcrecover Installation

Just download the latest version from https://github.com/gurnec/btcrecover/archive/master.zip and unzip it to a location of your choice. There’s no installation procedure for btcrecover itself, however there are additional requirements below depending on your operating system and the wallet type you’re trying to recover.

Wallet Installation Requirements

Locate your wallet type in the list below, and follow the instructions for only the sections listed next to your wallet.

Note that for Armory wallets, you must have Armory 0.92.x or later installed on the computer where you run btcrecover.

Python 2.7

Windows

Visit the Python download page here: https://www.python.org/downloads/windows/, and click the link for the latest Python 2.7 release near the top of the page under the heading Python Releases for Windows. Download and run either the Windows x86 MSI installer for the 32-bit version of Python, or the Windows x86-64 MSI installer for the 64-bit one (for Armory wallets, be sure to choose the correct one as noted above). Modern PCs should use the 64-bit version, however if you're unsure which one is compatible with your PC, choose the 32-bit one.

Linux

Most distributions include Python 2.7 pre-installed.

Note that for Blockchain.info wallets, Python version 2.7.8 or greater is recommended, and will run approximately 5 times faster than earlier versions. You can determine which version of Python you have installed by running python --version in a terminal. If your version is earlier than 2.7.8, you may want to check if your distribution has a “backports” repository with a more up-to-date version.

Some Linux distributions do not include the bsddb (Berkeley DB) Python module. This is usually not a problem, however if you encounter a master key #1 not found error, it might be resolved by installing the bsddb module (or a version of Python which includes it).

OS X

Since OS X includes an older version of Python 2, it's strongly recommended that you install the latest version. Doing so will not affect the older OS X version, the new one will be installed in a different place from the existing one.

To install the latest version, visit the Python download page here: https://www.python.org/downloads/mac-osx/, and click the link for the latest Python 2 release. Download and open either the Mac OS X 64-bit/32-bit installer for OS X 10.6 and later (most people will want this one), or the Mac OS X 32-bit i386/PPC installer for OS X 10.5.

If you have any Terminal windows open, close them after the installation completes to allow the new version to go into effect.

If (and only if) you decide not to install the latest version of Python 2, you will need to manually install pip if you need to install any of the other requirements below:

    curl https://bootstrap.pypa.io/get-pip.py | sudo python

PyCrypto

PyCrypto is not strictly required for any wallet, however it offers a 20x speed improvement for wallets that tag it as recommended in the list above.

Windows

Download and run the PyCrypto 2.6 installer for Python 2.7, either the 32-bit version or the 64-bit version to match your version of Python. This is either PyCrypto 2.6 for Python 2.7 32bit or PyCrypto 2.6 for Python 2.7 64bit available here: http://www.voidspace.org.uk/python/modules.shtml#pycrypto

Linux

Many distributions include PyCrypto pre-installed, check your distribution’s package management system to see if it is available (it is often called “python-crypto”). If not, try installing it from PyPI, for example on Debian-like distributions (including Ubuntu), if this doesn't work:

sudo apt-get install python-crypto

then try this instead:

sudo apt-get install python-pip
sudo pip install pycrypto
OS X

  1. Open a terminal window (open the Launchpad and search for "terminal"). Type this and then choose Install to install the command line developer tools:

    xcode-select --install

  2. Type this to install PyCrypto:

    sudo pip install pycrypto

scrypt

Windows

  1. Open a command prompt window, and type this to install pylibscrypt:

    C:\Python27\Scripts\pip install pylibscrypt

  2. Download this libsodium zip file, and extract it to a temporary location: https://download.libsodium.org/libsodium/releases/libsodium-1.0.16-msvc.zip

  3. Find the correct libsodium.dll file from the extracted files, it will be located at one of these two paths:

    Win32\Release\v141\dynamic\libsodium.dll
x64\Release\v141\dynamic\libsodium.dll

    Choose either the 32-bit version (the first one above) or the 64-bit version (the second), it must match the version of Python that you've installed. Note that the 64-bit version is recommended if it's supported by your computer (it is approximately 35% faster than the 32-bit version, so install the 64-bit versions of both libsodium and Python for best performance).

  4. Copy the chosen libsodium.dll file into your C:\Python27 directory.

  5. Download and install one of the two update packages below from Microsoft, either the 32-bit version or the 64-bit version (the second) to match the version of Python that you've installed.

Linux

Install pylibscrypt and at least one scrypt library, for example on Debian-like distributions (including Ubuntu):

  1. Open a terminal window, and type this to install pylibscrypt:

    sudo apt-get install python-pip
sudo pip install pylibscrypt

  2. Install one of the scrypt libraries listed under the Requirements section here: https://pypi.python.org/pypi/pylibscrypt, e.g. try each of these commands, stopping after the first one succeeds:

    sudo apt-get install libscrypt0
sudo apt-get install python-scrypt
sudo pip install scrypt
sudo apt-get install libsodium18
sudo apt-get install libsodium13
OS X

  1. Open a terminal window (open the Launchpad and search for "terminal"). Type this and then choose Install to install the command line developer tools:

    xcode-select --install

  2. Type this to install pylibscrypt and libscrypt:

    sudo pip install pylibscrypt

curl -Lo libscrypt.zip https://github.com/technion/libscrypt/archive/master.zip
unzip libscrypt.zip
cd libscrypt-master
make CFLAGS_EXTRA= LDFLAGS= LDFLAGS_EXTRA= && sudo make install-osx

Google Protocol Buffers

Windows

Open a command prompt window, and type this to install Google Protocol Buffers:

C:\Python27\Scripts\pip install protobuf
Linux

Install the Google's Python protobuf library, for example on Debian-like distributions (including Ubuntu), open a terminal window and type this:

sudo apt-get install python-pip
sudo pip install protobuf
OS X

  1. Open a terminal window (open the Launchpad and search for "terminal"). Type this and then choose Install to install the command line developer tools:

    xcode-select --install

  2. Type this to install Google Protocol Buffers:

    sudo pip install protobuf

Windows GPU acceleration for Bitcoin Unlimited/Classic/XT/Core, Armory, or Litecoin-Qt

  1. Download the latest version of PyOpenCL for OpenCL 1.2 / Python 2.7, either the 32-bit version or the 64-bit version to match the version of Python you installed, from here: http://www.lfd.uci.edu/~gohlke/pythonlibs/#pyopencl. For best compatibility, be sure to select a version for OpenCL 1.2 and no later (look for "cl12" in the file name, and also look for "27" to match Python 2.7).

    As of this writing, the 32-bit and 64-bit versions are named respectively:

    pyopencl-2017.1.1+cl12-cp27-cp27m-win32.whl
pyopencl-2017.1.1+cl12-cp27-cp27m-win_amd64.whl

  2. Open a command prompt window, and type this to install PyOpenCL and its dependencies:

    cd %USERPROFILE%\Downloads
C:\Python27\Scripts\pip install pyopencl-2017.1.1+cl12-cp27-cp27m-win_amd64.whl

    Note that you may need to change either the directory (on the first line) or the filename (on the second) depending on the filename you downloaded and its location.

PyCrypto is also recommended for Bitcoin Unlimited/Classic/XT/Core or Litecoin-Qt wallets for a 2x speed improvement.

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