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* 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>
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