gpg,sm: New option --with-key-screening.
* common/pkscreening.c: New. * common/pkscreening.h: New. * common/Makefile.am (common_sources): Add them. * g10/gpg.c (opts): New option --with-key-screening. * g10/options.h (struct opt): New field with_key_screening. * g10/keylist.c: Include pkscreening.h. (print_pk_screening): New. (list_keyblock_print): Call it. (print_compliance_flags): Call it. * sm/gpgsm.c (opts): New option --with-key-screening. * sm/gpgsm.h (scruct opt): New field with_key_screening. * sm/keylist.c: Include pkscreening.h. (print_pk_screening): New. (print_compliance_flags): Call it. Add new arg cert. (list_cert_colon): Pass arg cert (list_cert_std): Call print_pk_screening. * sm/fingerprint.c (gpgsm_get_rsa_modulus): New.
This new option can be used to detect ROCA affected keys. To scan an
entire keyring and print the affected fingerprints use this:
gpg -k --with-key-screening --with-colons | gawk -F: \
'$1~/pub|sub|sec|ssb|crt/ && $18~/\<6001\>/ {found=1;next};
$1=="fpr" && found {print $10}; {found=0}'The same works for gpgsm. Note that we need gawk due to the "\<" in
the r.e.
- Signed-off-by: Werner Koch <wk@gnupg.org>