Hello, Peter, thanks for the clarification. I understand your point ;)
On 08.02.2017 20:05, Peter Lebbing wrote: > Hello, > >> I wrote about the problem in more detail at launchpad.net >> https://answers.launchpad.net/ubuntu/+source/gnupg/+question/452490 > > I think it is appreciated if you actually describe the problem on the > mailing list itself rather than only linking to a website. > I'm having a setup consisting of a main key, and three sub-keys for encryption, authorization and signature. The three sub-keys are stored on a Yubikey 4 smart-card. Authentication and signatures work like a charme. I'm only having problems concerning the decryption of mails I received. I'm using thunderbird together with enigmail to read my mails, but as the problem also occurrs at the CLI, I assume that enigmail is not part of the puzzle. Well, some messages could be successfully decrypted: bb@melmac:~$ gpg2 -vv --output /dev/null -d /tmp/message.txt gpg: armor: BEGIN PGP MESSAGE gpg: armor header: Version: GnuPG v2 # off=0 ctb=85 tag=1 hlen=3 plen=400 :pubkey enc packet: version 3, algo 1, keyid DBC1D85BA9D1D189 data: [3103 bits] gpg: public key is 0xDBC1D85BA9D1D189 gpg: using subkey 0xDBC1D85BA9D1D189 instead of primary key 0x8501968486DF0281 gpg: public key encrypted data: good DEK # off=403 ctb=d2 tag=18 hlen=2 plen=0 partial new-ctb :encrypted data packet: length: unknown mdc_method: 2 gpg: using subkey 0xDBC1D85BA9D1D189 instead of primary key 0x8501968486DF0281 gpg: encrypted with 3104-bit RSA key, ID 0xDBC1D85BA9D1D189, created 2017-01-10 "Dr. Basil Becker <ba...@basilbecker.de>" gpg: AES256 encrypted data # off=424 ctb=a3 tag=8 hlen=1 plen=0 indeterminate :compressed packet: algo=2 # off=426 ctb=cb tag=11 hlen=2 plen=0 partial new-ctb :literal data packet: mode b (62), created 1486478293, name="", raw data: unknown length gpg: original file name='' gpg: decryption okay Some messages, however, fail to decrypt: bb@melmac:~$ gpg2 -vv --output /dev/null -d /tmp/message-fail.txt gpg: armor: BEGIN PGP MESSAGE gpg: armor header: Version: GnuPG v2 # off=0 ctb=85 tag=1 hlen=3 plen=400 :pubkey enc packet: version 3, algo 1, keyid DBC1D85BA9D1D189 data: [3104 bits] gpg: public key is 0xDBC1D85BA9D1D189 gpg: using subkey 0xDBC1D85BA9D1D189 instead of primary key 0x8501968486DF0281 # off=403 ctb=d2 tag=18 hlen=2 plen=0 partial new-ctb :encrypted data packet: length: unknown mdc_method: 2 gpg: using subkey 0xDBC1D85BA9D1D189 instead of primary key 0x8501968486DF0281 gpg: encrypted with 3104-bit RSA key, ID 0xDBC1D85BA9D1D189, created 2017-01-10 "Dr. Basil Becker <ba...@basilbecker.de>" gpg: public key decryption failed: Hardware problem gpg: decryption failed: No secret key The only difference I see, is that the pubkey data is 3103 bits vs 3104 bits. Unfortunately, I have no idea, whether this is a meaningful difference and if this If anyone could help me identifying what my problem is or even to solve it, I'd appreciate it :) If you need any additional information or dedicated log-output, I'm happy to provide it. Cheers, Basil
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