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decred-release

Build Status ISC License

Overview

This repository contains the decred installers and the installer manifests.

For the binary archives, binary manifests and release notes please go to decred-binaries.

Verifying dcrinstall

Each release contains a manifest file with sha256 hashes for the installers in that release. To verify these, you will need:

  • SHA256 - Once you download your file(s), you need to check their SHA256 hashes, so you may need to download a tool to do this, depending on your OS.
  • GnuPG or PGP - This is required to import public keys and verify signatures. Examples below use GnuPG.

The steps to verify the binaries are as follows:

  1. Download the file manifest (manifest-dcrinstall-vX.X.X.txt), the signature for the file manifest (manifest-dcrinstall-vX.X.X.txt.asc), and the installer for your OS from here.

  2. Obtain the SHA256 value for the installer for your OS and check that it matches the value in the file manifest, e.g. for 64-bit Linux

    $ sha256sum dcrinstall-linux-amd64-v0.3.0
a53004599daeab51c0e86af026748b7aa55ff9e5d4844bef3b7d8ccf8a5d72a9  dcrinstall-linux-amd64-v0.3.0

  3. Import the Decred Release Signing Key in GnuPG.

    $ gpg --keyserver pgp.mit.edu --recv-keys 0x6D897EDF518A031D
   gpg: requesting key 518A031D from hkp server pgp.mit.edu
   gpg: /home/user/.gnupg/trustdb.gpg: trustdb created
   gpg: key 7608AF04: public key "Decred Release <[email protected]>" imported
   gpg: Total number processed: 1
   gpg: imported: 1 (RSA: 1)

  4. Verify the signature for the file manifest is valid and created by the Decred Release Signing Key.

    $ gpg --verify manifest-dcrinstall-v0.3.0.txt.asc
  gpg: assuming signed data in `manifest-dcrinstall-v0.3.0.txt'
  gpg: Signature made Wed 27 Jan 2016 08:56:59 PM UTC using RSA key ID 518A031D
  gpg: Good signature from "Decred Release <[email protected]>"
  gpg: WARNING: This key is not certified with a trusted signature!
  gpg: There is no indication that the signature belongs to the owner.
      Primary key fingerprint: FD13 B683 5E24 8FAF 4BD1 838D 6DF6 34AA 7608 AF04
       Subkey fingerprint: F516 ADB7 A069 852C 7C28 A02D 6D89 7EDF 518A 031D

The installer for your platform is now verified and you can be confident it was generated by the Decred team.