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220 lines
7.5 KiB
Markdown
220 lines
7.5 KiB
Markdown
{% include disclaimer.html translated="no" translationOutdated="no" %}
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Verification of the Monero binary files should be done prior to extracting,
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installing, or using the Monero software. This is the only way to ensure
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that you are using the official Monero software. If you receive a fake
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Monero binary (eg. phishing, MITM, etc.), following this guide will protect
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you from being tricked into using it.
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To protect the integrity of the binaries the Monero team provides a
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cryptographically signed list of all the
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[SHA256](https://en.wikipedia.org/wiki/SHA-2) hashes. If your downloaded
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binary has been tampered with it will be produce a [different
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hash](https://en.wikipedia.org/wiki/File_verification) than the one in the
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file.
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This is an advanced guide for Linux, Mac, or Windows operating systems and
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will make use of the command line. It will walk you through the process of
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installing the required software, importing the signing key, downloading the
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necessary files, and finally verifying that your binary is authentic.
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## Table of Contents:
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1. [Install GnuPG](#installing-gnupg)
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2. [Verify & Import Signing Key](#verify-and-import-signing-key)
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3. [Download & Verify Hash File](#download-and-verify-hash-file)
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4. [Download & Verify Binary](#download-and-verify-binary)
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## Installing GnuPG
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+ On Windows, go to the [Gpg4win download
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page](https://gpg4win.org/download.html) and follow the instructions for
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installation.
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+ On Mac, go to the [Gpgtools download page](https://gpgtools.org/) and
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follow the instructions for installation.
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+ On Linux, GnuPG is installed by default.
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## Verify and Import Signing Key
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This section will cover getting the Monero signing key, making sure it is
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correct, and importing the key to GnuPG.
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### Get Signing Key
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On Windows or Mac, go to [binaryFate's GPG
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key](https://raw.githubusercontent.com/monero-project/monero/master/utils/gpg_keys/binaryfate.asc),
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which he uses to sign the Monero binaries, and save the page as
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`binaryfate.asc` to your home directory.
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On Linux, you can download binaryFate's signing key by issuing the following
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command:
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```
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wget -O binaryfate.asc
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https://raw.githubusercontent.com/monero-project/monero/master/utils/gpg_keys/binaryfate.asc
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```
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### Verify Signing Key
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On all operating systems, check the fingerprint of `binaryfate.asc` by
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issuing the following command in a terminal:
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``` gpg --keyid-format long --with-fingerprint binaryfate.asc ```
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Verify the fingerprint matches:
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```
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pub rsa4096/F0AF4D462A0BDF92 2019-12-12 [SCEA]
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Key fingerprint = 81AC 591F E9C4 B65C 5806 AFC3 F0AF 4D46 2A0B DF92
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uid binaryFate <binaryfate@getmonero.org>
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```
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If the fingerprint **DOES** match, then you may proceed.
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If the fingerprint **DOES NOT** match, **DO NOT CONTINUE.** Instead delete
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the file `binaryfate.asc` and go back to [section Get Signing Key](#get-signing-key).
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### Import Signing Key
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From a terminal, import the signing key:
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``` gpg --import binaryfate.asc ```
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If this is the first time you have imported the key, the output will look
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like this:
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```
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gpg: key F0AF4D462A0BDF92: 2 signatures not checked due to missing keys
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gpg: key F0AF4D462A0BDF92: public key "binaryFate <binaryfate@getmonero.org>" imported
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gpg: Total number processed: 1
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gpg: imported: 1
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gpg: marginals needed: 3 completes needed: 1 trust model: pgp
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```
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If you have imported the key previously, the output will look like this:
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```
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gpg: key F0AF4D462A0BDF92: "binaryFate <binaryfate@getmonero.org>" not changed
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gpg: Total number processed: 1
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gpg: unchanged: 1
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```
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## Download and Verify Hash File
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This section will cover downloading the hash file and verifying its
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authenticity.
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### Get Hash File
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On Windows or Mac, go to the [hashes file on getmonero.org]({{
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site.baseurl_root }}/downloads/hashes.txt) and save the page as `hashes.txt`
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to your home directory.
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On Linux, you can download the signed hashes file by issuing the following
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command:
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``` wget -O hashes.txt https://www.getmonero.org/downloads/hashes.txt ```
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### Verify Hash File
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The hash file is signed with key `81AC 591F E9C4 B65C 5806 AFC3 F0AF 4D46
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2A0B DF92`, as reflected in the output below.
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On all operating systems, verify the signature of the hash file by issuing
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the following command in a terminal:
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``` gpg --verify hashes.txt ```
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If the file is authentic, the output will look like this:
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```
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gpg: using RSA key 81AC591FE9C4B65C5806AFC3F0AF4D462A0BDF92
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gpg: Good signature from "binaryFate <binaryfate@getmonero.org>" [unknown]
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gpg: WARNING: This key is not certified with a trusted signature!
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gpg: There is no indication that the signature belongs to the owner.
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Primary key fingerprint: 81AC 591F E9C4 B65C 5806 AFC3 F0AF 4D46 2A0B DF92
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```
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If your output shows **Good signature**, as in the example, then you may
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proceed.
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If you see **BAD signature** in the output, **DO NOT CONTINUE.** Instead
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delete the file `hashes.txt` and go back to [section
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Get Hash File](#get-hash-file).
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## Download and Verify Binary
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This section will cover downloading the Monero binary for your operating
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system, getting the `SHA256` hash of your download, and verifying that it is
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correct.
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### Get Monero binary
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On Windows or Mac, go to [getmonero.org]({{ site.baseurl_root }}/downloads/)
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and download the correct file for your operating system. Save the file to
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your home directory. **Do not extract the files yet.**
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On Linux, you can download the command line tools by issuing the following
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command:
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```
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wget -O monero-linux-x64-v0.15.0.1.tar.bz2 https://downloads.getmonero.org/cli/linux64
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```
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### Binary Verification on Linux or Mac
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The steps for both Linux and Mac are the same. From a terminal, get the
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`SHA256` hash of your downloaded Monero binary. As an example this guide
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will use the `Linux, 64bit` GUI binary. Substitute
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`monero-gui-linux-x64-v0.15.0.1.tar.bz2` with the name of the binary that
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you downloaded in [section Get Monero binary](#get-monero-binary).
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```
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shasum -a 256 monero-linux-x64-v0.15.0.1.tar.bz2
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```
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The output will look like this, but will be different for each binary
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file. Your `SHA256` hash should match the one listed in the `hashes.txt`
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file for your binary file.
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```
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8d61f992a7e2dbc3d753470b4928b5bb9134ea14cf6f2973ba11d1600c0ce9ad
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monero-linux-x64-v0.15.0.1.tar.bz2
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```
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If your hash **DOES** match, then you are finished with the guide! You can
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extract the files and install.
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If your hash **DOES NOT** match, **DO NOT CONTINUE.** Instead delete the
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binary you downloaded and go back to [section Get Monero binary](#get-monero-binary).
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### Binary Verification on Windows
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From a terminal, get the `SHA256` hash of your downloaded Monero binary. As
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an example this guide will use the `Windows, 64bit` GUI binary. Substitute
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`monero-gui-win-x64-v0.15.0.1.zip` with the name of the binary that you
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downloaded in [section Get Monero binary](#get-monero-binary).
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``` certUtil -hashfile monero-gui-win-x64-v0.15.0.1.zip SHA256 ```
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The output will look like this, but will be different for each binary
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file. Your `SHA256` hash should match the one listed in the `hashes.txt`
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file for your binary file.
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```
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SHA256 hash of file monero-gui-win-x64-v0.12.0.0.zip: 4b 9f 31 68 6e ca
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ad 97 cd b1 75 e6 57 4b f3 07 f8 d1 c4 10 42 78 25 f4 30 4c 21 da 8a ac 18
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64 CertUtil: -hashfile command completed successfully.
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```
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If your hash **DOES** match, then you are finished with the guide! You can
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extract the files and install.
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If your hash **DOES NOT** match, **DO NOT CONTINUE.** Instead delete the
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binary you downloaded and go back to [section Get Monero binary](#get-monero-binary).
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