Hi Team, Thank you Shalom, above suggestion is working. But Digital signature verify is still not working.
> I am signing image using *gnupg* from server side using "--detach-sign" and getting *"image.sig*" file. > Which I am trying to verify on another machine using libgcrypt. On the verification side I am having "image.bin",image.sig, "PublicKey". I am applying a hashing func on "image.bin" at the verification side to get MsgDigest_of_RxMsg. I am passing arguments to _gcry_pk_verify ( "Rx_image.sig", MsgDigest_of_RxMsg , Public_key). Please suggest it to me if I am missing any step. Like any conversion or decoding is required for "image.sig" before passing it to _gcry_pk_verify (). Regards, Vishal Rana. On Thu, Apr 7, 2022 at 7:44 PM Werner Koch <w...@gnupg.org> wrote: > On Thu, 7 Apr 2022 15:26, Vishal Rana said: > > > Please suggest to me how to proceed. > > Most GnuPG tools feature a debug option > > --debug mpi > --debug crypto > > which shows you lots of debug info. For example the raw RSA parameters. > Use "--debug help" to see all debug classes. But always remember that > these are debug options and the output is not a stable API in any way. > > > Shalom-Salam, > > Werner > > > -- > The pioneers of a warless world are the youth that > refuse military service. - A. Einstein > -- *Thanks & Regards,Vishal RanaMobile :09422123401*
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