Verify file with gpg

Want to use a default ring with a temp ring? Just omit the flag and path to the ring you want defaulted. All in all, for encrypted and signed files, if you want to decrypt and verify that file, you need to make sure that the private key for decryption is in your secret keyring and the public key for verification is in your public keyring.

Suppose Alice encrypts a file to send to Bob. She will encrypt with Bob's public key, and sign with her private key. There's no way now for Alice, or anyone who does not have Bob's private key, to verify the signature. Now Bob will decrypt the file. If it is signed, he'll see information about the signature in the output:. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow.

Learn more. How do you verify an encrypted and signed file with gpg? Ask Question. Asked 2 years, 1 month ago. Active 1 year, 2 months ago. Viewed 12k times. I am trying to get a better understanding of what is going on with gpg. If you have a file and sign it: gpg --sign file. Eric Stermer Eric Stermer 1 1 gold badge 7 7 silver badges 22 22 bronze badges.

These are the keys for Nick Mathewson, you can check the fingerprint here. Add a comment. Active Oldest Votes. Now you have two options: you can try to validate the key through the web of trust which means finding a "trust path" from keys you already trust to the author's key, and will also remove the "unverified" message or validate through some other means, for example by comparing the fingerprint or at least long key ID with another, trusted source short key IDs are insecure , so don't use them for verifying keys.

Improve this answer. Community Bot 1. Jens Erat Jens Erat Is that incorrect? Based on what you said, it seems reasonable that all email addresses associated with that public key would be returned by that server If you fetch a key, you also get the certifications signatures from others on that key. At the beginning, only their key IDs will be printed. You have to recursively fetch them to verify against them locally, but you can also have a look at the key server's output.

Again, all those mail addresses are generally unverified, and a large number of signatures does generally can also mean an attacker simply created a large number of keys to sign each other, which is easily performed within some minutes using scripts. Simple answer to the real question: use hex notation in the search string.

It looks like you were right in your thinking: As far as I can tell, the phrase armed with the ID of the key you are interested in refers to: 8DA. Bright blessings in your endeavors. The last paragraph above the last sentence has useful information. But the general answer, i. He has no issues whatsoever locating the key or passing the right key ID to gpg. Re-read his question: "As far as I can tell, the phrase armed with the ID of the key you are interested in refers to: 8DA.

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. Importing, Exporting, and Refreshing Keys. Imports a key contained in File to the appropriate keyring.

Searches for keys which contain Term1 and Term2, etc and provides an interactive interface to choose the correct key to import to the appropriate keyring. Check to see if your version of a key is out of date. Printing Key Information. Print a list of all of the keys in your public keyring. Print a list of all keys in your public keyring and their associated signatures. Print a list of all keys and their associated signatures matching UniqueID.

Print a list of all keys in your public keyring and their associated fingerprints. Check the local key fingerprint against the reported fingerprint.

If the fingerprints match sign the key with your private key. Encrypting and Signing. Produces File. Produces an encrypted version of Text which can be decrypted by Recipient and prints the result to the terminal. Produces an encrypted version of Text which can be decrypted by Recipient and writes the result to OutFile.