Verification instructions#

To find instructions on how to verify the integrity of the file you have downloaded, navigate to the respective section that outlines the steps needed for that specific file.

Concordium Desktop Wallet#

Linux#

AppImage#

Verify checksum of download

In a terminal:

  1. Navigate to the download.

  2. Then paste the first line of the following block into the terminal.

  3. Verify that the output matches the second line in the block.

$sha256sum concordium-desktop-wallet-1.7.2.AppImage
2699bb0b3f67b456a6d71af35d62092ee2567d2a1b46383b1c3290cd380aafdd

Verify download with signature

To verify that the downloaded file is an official Concordium release, you can verify that the file is signed by Concordium. To do this, you need a signature of the release and a public key.

With the signature, the public key, and the downloaded file all in the same directory, execute the following steps to verify that the file has been signed by Concordium.

In a terminal:

  1. Navigate to the directory containing the assets needed to verify.

  2. Then paste the first line of the following block into the terminal

  3. The command outputs Signature Verified Successfully as a result, as inidicated by the second line in the block.

$openssl pkeyutl -verify -pubin -inkey concordium-desktop-wallet-pubkey.pem -rawin -in concordium-desktop-wallet-1.7.2.AppImage -sigfile concordium-desktop-wallet-1.7.2.AppImage.sig
Signature Verified Successfully

Note that this only works for openssl version 3.0.0 and up.

Debian package#

Verify checksum of download

In a terminal:

  1. Navigate to the download.

  2. Then paste the first line of the following block into the terminal.

  3. Verify that the output matches the second line in the block.

$sha256sum concordium-desktop-wallet-1.7.2.deb
58b6c676f6a8b4370c66817a98e1bb35c77a2a240f86b1811f5adbc7567b4443

Verify download with signature

To verify that the downloaded file is an official Concordium release, you can verify that the file is signed by Concordium. To do this, you need a signature of the release and a public key.

With the signature, the public key, and the downloaded file all in the same directory, execute the following steps to verify that the file has been signed by Concordium.

In a terminal:

  1. Navigate to the directory containing the assets needed to verify.

  2. Then paste the first line of the following block into the terminal

  3. The command outputs Signature Verified Successfully as a result, as inidicated by the second line in the block.

$openssl pkeyutl -verify -pubin -inkey concordium-desktop-wallet-pubkey.pem -rawin -in concordium-desktop-wallet-1.7.2.deb -sigfile concordium-desktop-wallet-1.7.2.deb.sig
Signature Verified Successfully

Note that this only works for openssl version 3.0.0 and up.

RPM#

Verify checksum of download

In a terminal:

  1. Navigate to the download.

  2. Then paste the first line of the following block into the terminal.

  3. Verify that the output matches the second line in the block.

$sha256sum concordium-desktop-wallet-1.7.2.rpm
ab65aaadcd3b508a0542ffdc205813032f471dbcbbf92c506025e99837061360

Verify download with signature

To verify that the downloaded file is an official Concordium release, you can verify that the file is signed by Concordium. To do this, you need a signature of the release and a public key.

With the signature, the public key, and the downloaded file all in the same directory, execute the following steps to verify that the file has been signed by Concordium.

In a terminal:

  1. Navigate to the directory containing the assets needed to verify.

  2. Then paste the first line of the following block into the terminal

  3. The command outputs Signature Verified Successfully as a result, as inidicated by the second line in the block.

$openssl pkeyutl -verify -pubin -inkey concordium-desktop-wallet-pubkey.pem -rawin -in concordium-desktop-wallet-1.7.2.rpm -sigfile concordium-desktop-wallet-1.7.2.rpm.sig
Signature Verified Successfully

Note that this only works for openssl version 3.0.0 and up.

Automatic updates#

When the desktop wallet updates itself, it performs the necessary steps to verify both the checksum and signature of the downloaded update. If verification is unsuccessful, the update is rejected.

Concordium Client#

Linux#

Verify checksum of download

In a terminal:

  1. Navigate to the download.

  2. Then paste the first line of the following block into the terminal.

  3. Verify that the output matches the second line in the block.

$sha256sum concordium-client_6.2.1-0
20b5b0502c34743d3d30a269b58e47b66982fdb4fd11e82fc510f9e01ba2b161

Linux#

Verify checksum of download

In a terminal:

  1. Navigate to the download.

  2. Then paste the first line of the following block into the terminal.

  3. Verify that the output matches the second line in the block.

$sha256sum cargo-concordium_2.8.0
ea3f603e2a921181cdf323604066444378a955c55e82b206a7d169bf636fa75d

Node Debian package#

Verify checksum of download

In a terminal:

  1. Navigate to the download.

  2. Then paste the first line of the following block into the terminal.

  3. Verify that the output matches the second line in the block.

$sha256sum concordium-mainnet-node_6.2.3-0_amd64.deb
809dffd12cb075b374f16a36f35245cb5c928941745c6eb2598bcf61a2b60aa6

Mainnet genesis block#

Verify checksum of download

In a terminal:

  1. Navigate to the download.

  2. Then paste the first line of the following block into the terminal.

  3. Verify that the output matches the second line in the block.

Windows

$Get-FileHash genesis.dat -Algorithm SHA256
5fe6a62824d5b0dba6143243e90987ddf3e15cca079f21992de04d078d9ea6dc

MacOS

$shasum -a 256 genesis.dat
5fe6a62824d5b0dba6143243e90987ddf3e15cca079f21992de04d078d9ea6dc

Linux

$sha256sum genesis.dat
5fe6a62824d5b0dba6143243e90987ddf3e15cca079f21992de04d078d9ea6dc