You might see some "Can't check signature: No public key" if you're missing keys, but look for "Good signature from. from the official source ( link to v22.0) ĭownload the SHA256SUMS.asc, SHA256SUMS, and bitcoin. You can also manually download the key file by going directly to the keyserver in your browser and import the key by using gpg -import. Note: is a good keyserver but you can also try or. A list of keys is listed at the bottom:įind a GPG fingerprint gpg -keyserver -search-keys Īt the prompt, enter the number of the key you want to import. Download a GPG key of at least one of the Bitcoin Core devs you trust (multiple is better).So to verify, you'll need to verify any signatures that you trust and then verify the checksum. SHA256SUMS has the checksum hashes of the binaries, and then several key signers signed SHA256SUMS and stored their signatures in SHA256SUMS.asc. See "Verify your download" on /en/download for the official documentation.īasically, the difference is that instead of a single signer there are now multiple signers that you can choose from. You don't need to use 5 as trust, you can choose 1-5: 1 = I don't know or won't sayĪs of Bitcoin Core v22.0, the signing and signature verification procedure has changed. van der Laan is not marked as a trusted key in gpg. You have problems with trust, in other words, the public key for Wladimir J. Gpg: There is no indication that the signature belongs to the owner. If you get following message: gpg: WARNING: This key is not certified with a trusted signature! van der Laan (Bitcoin Core binary release signing key) " This should output something like this: gpg: Signature made Thu 08:21:11 PM CEST This is done by: gpg2 -verify SHA256SUMS.asc If the checksum is valid, then you validate that the signature is good (checking that the checksums file is not tampered with). sha256sum -check SHA256SUMS.ascĭon't care about FAILED open or read or No such file or directory messages, you are looking for something like this: bitcoin-0.13.1-win64.zip: OK Then you need to check that the SHA256 checksum is valid. Next you need to download the signature file from her:, and store it in same folder where bitcoin core download is stored. This answer depends on that you are using Bitcoin Core 0.13.1 and you have downloaded bitcoin-0.13.1-win64.zip, this answer will also work with any other bitcoin version or download with only change signer public key, checksum file and bitcoin download name.įirst you need to import public key of the signer, in this case the key with id: 0x90C8019E36C2E964, you do that by -recv-keys command line argument.
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