Peter, Thank you. That suffices.
Notice that I did provide --version in my original post. ~ helices On Wed, Mar 29, 2017 at 10:40 AM, Peter Lebbing <[email protected]> wrote: > Hello, > > To solve your problem, could you please also post the commands that you > used to create the files? The information you gave is really too little > to go on. And also always include which version of GnuPG you're using > (gpg --version). > > On 28/03/17 15:22, helices wrote: > > Once in awhile, we get pushback from a recipient that they cannot > > decrypt our file, and sometimes they claim it is because the encrypted > > file is signed. > > I do not understand why the file being signed would be a problem. I'd > say it's a good thing it's signed. > > > $ /usr/bin/gpg --verify NO-sign.pgp > > gpg: verify signatures failed: Unexpected error > > That's what I see for a file that isn't signed. I'd say it's expected, > though really terse. You're asking it to verify a signature, but don't > give it a signature. I'd say the file is unexpected rather than the > error! ;-) > > On 29/03/17 16:46, helices wrote: > > How can I see if an encrypted file is signed and by whom? > > If you don't mind decrypted files being saved to disc, either: > > -------------------8<------------->8------------------- > $ gpg enc.txt.gpg > gpg: encrypted with 2048-bit RSA key, ID 73A33BEE, created 2009-11-12 > "Peter Lebbing <[email protected]>" > File `enc.txt' exists. Overwrite? (y/N) y > -------------------8<------------->8------------------- > > to invoke the default action on the file, and since this is an > encrypted file that is not signed no signature information is shown. Or > explicitly: > > -------------------8<------------->8------------------- > $ gpg -o /dev/null -d enc.txt.gpg > gpg: encrypted with 2048-bit RSA key, ID 73A33BEE, created 2009-11-12 > "Peter Lebbing <[email protected]>" > -------------------8<------------->8------------------- > > Which tells GnuPG to decrypt, but send the result to /dev/null, in > other words, will not create or attempt to overwrite files on disc. > > For an encrypted file with a signature it'll look like this instead: > > -------------------8<------------->8------------------- > $ gpg enc-signed.txt.gpg > gpg: encrypted with 2048-bit RSA key, ID 73A33BEE, created 2009-11-12 > "Peter Lebbing <[email protected]>" > File `enc-signed.txt' exists. Overwrite? (y/N) y > gpg: Signature made Wed 29 Mar 2017 17:28:28 CEST using RSA key ID DE6CDCA1 > gpg: Good signature from "Peter Lebbing <[email protected]>" > -------------------8<------------->8------------------- > > -------------------8<------------->8------------------- > $ gpg -o /dev/null -d enc-signed.txt.gpg > gpg: encrypted with 2048-bit RSA key, ID 73A33BEE, created 2009-11-12 > "Peter Lebbing <[email protected]>" > gpg: Signature made Wed 29 Mar 2017 17:28:28 CEST using RSA key ID DE6CDCA1 > gpg: Good signature from "Peter Lebbing <[email protected]>" > -------------------8<------------->8------------------- > > There are commands to really dive into the contents of an OpenPGP file, > but this might overwhelm rather than inform you. > > HTH, > > Peter. > > -- > I use the GNU Privacy Guard (GnuPG) in combination with Enigmail. > You can send me encrypted mail if you want some privacy. > My key is available at <http://digitalbrains.com/2012/openpgp-key-peter> >
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