On Thu, 8 Jul 2021 16:48, NIIBE Yutaka said:So, I think that Omnikey CardMan 3121 can work in the use case with OpenPGP card if it's key is RSA 1024.Exactly, I used to use Omnikey readers too but I had to gave up due to this problem. On Windows Omnikey's driver uses proprietary escape codes to make it work: /* We employ a hack for Omnikey readers which are able to send TPDUs using an escape sequence. There is no documentation but the Windows driver does it this way. Tested using a CM6121. This method works also for the Cherry XX44 keyboards; however there are problems with the ccid_transceive_secure which leads to a loss of sync on the CCID level. If Cherry wants to make their keyboard work again, they should hand over some docs. */ The 6121 is a PCMCIA style reader which I could make work for my old laptop. As usual with reader vendors they use their ASICs for all types of readers and thus he sees the problem also with the 3121. I have an 5121 here but I can use it only for RFID. He may be able to use the 3121 with ECC keys.
Wow, that is interesting to know; I guess I will return the Omnikey 3221 and pick up an Identiv SCR3310 instead. I really liked the vertical slot design on the Omnikey for the card as all the cheaper no-name readers that were vertical would give me USB problems if plugged in permanently, so I was hoping the Omnikey would be a better reader. Anyway, thank you both for letting me know what was going on.
- Brandon Anderson
OpenPGP_0x255837AEF812E87E.asc
Description: OpenPGP public key
OpenPGP_signature
Description: OpenPGP digital signature
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