Public Keys and Checksum Hashes
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pubkeys Second public key Nov 9, 2017
sigs-and-sums Add files via upload Sep 17, 2018
README.md Update README.md May 10, 2018

README.md

Verification of Electron cash official executables on Windows

1. Get all the files needed for verification

At the time this readme was created, the latest version was 3.1.6.
The current latest version may be newer. Normally, you always should be using the latest version.

https://electroncash.org/downloads/3.1.6/win-linux/ElectronCash-3.1.6.exe

from electroncash.org, and

SHA256sum.ElectronCash-3.1.6.exe.txt
ElectronCash-3.1.6.exe.sig

from GitHub

2. Verify sha256 digest hash

Download and install 7-zip software.

Right click on ElectronCash-3.1.6.exe and calculate sha256, which should be identical to that in SHA256sum.ElectronCash-3.1.6.exe.txt text file.

3. Verify author signature of executable file (optional step)

Download and install gpg4win (gnupg for windows).

Download a public key from GitHub and import it into gpg keychain,

gpg --import jonaldkey2.txt

which should give output like,

gpg: C:/Users/user/AppData/Roaming/gnupg/trustdb.gpg: trustdb created
gpg: key 4FD06489EFF1DDE1: public key "Jonald Fyookball <jonf@electroncash.org>" imported

and finally verify a signature,

gpg --verify ElectronCash-3.1.6.exe.sig

which should give a message with mandatory line Good signature from "Jonald Fyookball <jonf@electroncash.org>"

gpg: assuming signed data in 'ElectronCash-3.1.6.exe'
gpg: Signature made 03/17/18 21:30:44 W. Europe Standard Time
gpg:                using DSA key 4FD06489EFF1DDE1
gpg: Good signature from "Jonald Fyookball <jonf@electroncash.org>" [unknown]
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: D56C 110F 4555 F371 AEEF  CB25 4FD0 6489 EFF1 DDE1

Verification of Electron cash official executables on Linux

1. Get all the files needed for verification

https://electroncash.org/downloads/3.1.6/win-linux/ElectronCash-3.1.6.tar.gz

from electroncash.org, and

SHA256sum.ElectronCash-3.1.6.tar.gz.txt
ElectronCash-3.1.6.tar.gz.sig

from GitHub

2. Verify sha256 digest hash

On command line run a command,

cat SHA256sum.ElectronCash-3.1.6.tar.gz.txt && openssl sha256 -r ElectronCash-3.1.6.tar.gz

which should confirm that both SHA256 hashes are identical,

b5a1d28ef13e80ce221aa6d677f4ef8585f29c8f6f3b97fb07e13209782c5318  ElectronCash-3.1.6.tar.gz
b5a1d28ef13e80ce221aa6d677f4ef8585f29c8f6f3b97fb07e13209782c5318 *ElectronCash-3.1.6.tar.gz

3. Verify author signature of executable file (optional step)

Install gnupg package,

sudo apt-get install gnupg2

Download a public key and import it into gpg keychain,

gpg2 --import <(curl -L https://raw.githubusercontent.com/fyookball/keys-n-hashes/master/pubkeys/jonaldkey2.txt)

which should give output like,

gpg: key EFF1DDE1: public key "Jonald Fyookball <jonf@electroncash.org>" imported
gpg: Total number processed: 1
gpg:               imported: 1

and finally verify a signature,

gpg2 --verify ElectronCash-3.1.6.tar.gz.sig

which should give a message with mandatory line Good signature from "Jonald Fyookball <jonf@electroncash.org>"

gpg: assuming signed data in 'ElectronCash-3.1.6.tar.gz'
gpg: Signature made Sat 17 Mar 2018 09:31:10 PM STD using DSA key ID EFF1DDE1
gpg: Good signature from "Jonald Fyookball <jonf@electroncash.org>" [unknown]
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: D56C 110F 4555 F371 AEEF  CB25 4FD0 6489 EFF1 DDE1

Verification of Electron cash official executables on OS X

1. Get all the files needed for verification

https://electroncash.org/downloads/3.1.6/mac/Electron-Cash-3.1.6-macosx.dmg

from electroncash.org, and

Electron-Cash-3.1.6-macosx.dmg.sha256sum
Electron-Cash-3.1.6-macosx.dmg.sig

from GitHub

2. Verify sha256 digest hash

On command line run a command,

cat Electron-Cash-3.1.6-macosx.dmg.sha256sum && openssl sha256 -r Electron-Cash-3.1.6-macosx.dmg

which should confirm that both SHA256 hashes are identical,

8a6a6a813c2ea6f714d1e29b16f8775e150cd0ef1149f5f472683d684c1558fa *Electron-Cash-3.1.6-macosx.dmg
8a6a6a813c2ea6f714d1e29b16f8775e150cd0ef1149f5f472683d684c1558fa *Electron-Cash-3.1.6-macosx.dmg

3. Verify author signature of executable file (optional step)

Download and install gpgtools (gnupg for osx).

Download a public key and import it into gpg keychain,

gpg2 --import <(curl -L 'http://ipv4.pool.sks-keyservers.net/pks/lookup?op=get&search=0x21810A542031C02C')

which should give output like,

gpg: key 2031C02C: public key "Calin Culianu (NilacTheGrim) <calin.culianu@gmail.com>" imported
gpg: Total number processed: 1
gpg:               imported: 1
gpg: no ultimately trusted keys found

and finally verify a signature,

gpg2 --verify Electron-Cash-3.1.6-macosx.dmg.sig

which should give a message with mandatory line Good signature from "Calin Culianu (NilacTheGrim) <calin.culianu@gmail.com>"

gpg: assuming signed data in 'Electron-Cash-3.1.6-macosx.dmg'
gpg: Signature made Sat 17 Mar 2018 10:41:55 PM STD using DSA key ID 2031C02C
gpg: Good signature from "Calin Culianu (NilacTheGrim) <calin.culianu@gmail.com>" [unknown]
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: D465 135F 97D0 047E 18E9  9DC3 2181 0A54 2031 C02C