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gnupg/g10
History
Werner Koch 15746d60d4
gpg: Do not use weak digest algos if selected by recipient prefs. 
* g10/misc.c (is_weak_digest): New.
(print_digest_algo_note): Use it here.
* g10/sig-check.c (check_signature_end_simple): Use it.
* g10/sign.c (hash_for): Do not use recipient_digest_algo if it is in
the least of weak digest algorithm.
--

If a message is signed and encrypted to several recipients, the to be
used digest algorithm is deduced from the preferences of the
recipient.  This is so that all recipients are able to check the the
signature.  However, if the sender has a declared an algorithm as
week, that algorithm shall not be used - in this case we fallback to
the standard way of selecting an algorithm.

Note that a smarter way of selecting the algo is to check this while
figuring out the algorithm - this needs more testing and thus we do it
the simple way.

Reported-by: Phil Pennock
Signed-off-by: Werner Koch <wk@gnupg.org>
2020-11-02 13:45:19 +01:00
..
all-tests.scm
tests: Make it possible to run all tests using our infrastructure.
2017-05-11 18:12:37 +02:00
armor.c
g10: Fix possible null dereference.
2019-05-14 11:20:07 +09:00
build-packet.c
gpg,ecc: Handle external representation as SOS with opaque MPI.
2020-06-09 10:32:47 +09:00
call-agent.c
g10: Make call to agent_scd_serialno more robust.
2020-10-26 12:50:30 +01:00
call-agent.h
gpg,tools: Add handling of supported algorithms by a card.
2020-09-08 15:34:42 +09:00
call-dirmngr.c
Use only one copy of the warn_server_mismatch function.
2020-09-01 20:43:57 +02:00
call-dirmngr.h
gpg: Store key origin info for new DANE and WKD retrieved keys.
2017-07-24 20:09:52 +02:00
call-keyboxd.c
gpg: New experimental import option "bulk-import"
2020-09-24 16:47:10 +02:00
card-util.c
g10: Make call to agent_scd_serialno more robust.
2020-10-26 12:50:30 +01:00
ChangeLog-2011
Spelling: correct spelling of "passphrase".
2016-11-02 12:53:58 +01:00
cipher-aead.c
g10: Fix log_debug formatting.
2018-11-08 12:14:23 +09:00
cipher-cfb.c
gpg: Remove MDC options
2018-05-29 12:42:52 +02:00
compress-bz2.c
g10,tools: Fix bzlib.h include order.
2017-04-11 13:52:19 +09:00
compress.c
gpg: Fix minor memory leak in the compress filter.
2018-05-02 20:15:10 +02:00
cpr.c
Use only one copy of the warn_server_mismatch function.
2020-09-01 20:43:57 +02:00
dearmor.c
Revert "g10: Always save standard revocation certificate in file."
2017-08-01 19:08:16 +02:00
decrypt-data.c
gpg: Make AEAD modes subject to compliance checks.
2020-04-16 08:52:29 +02:00
decrypt.c
gpg: Fix using --decrypt along with --use-embedded-filename.
2019-05-17 13:40:24 +02:00
dek.h
gpg: More check for symmetric key encryption.
2019-07-18 11:02:34 +09:00
delkey.c
gpg: Prepare enhancement of agent_probe_secret_key.
2020-01-17 16:09:01 +09:00
distsigkey.gpg
Add a new dist signing key
2020-08-24 19:47:26 +02:00
ecdh.c
ecc: Use "cv448" to specify key using X448.
2020-06-23 10:10:29 +09:00
encrypt.c
gpg: Fix flaw in symmetric algorithm selection in mixed mode.
2020-07-07 12:58:29 +02:00
exec.c
gpg: photoid: Move functions from exec.c.
2019-07-25 11:21:58 +09:00
exec.h
gpg: photoid: Move functions from exec.c.
2019-07-25 11:21:58 +09:00
expand-group.c
gpg: Fix expand GPG groups when resolving a key
2019-09-30 14:08:13 +02:00
export.c
gpg: Fix first zero-byte case for SOS handling.
2020-10-30 15:21:20 +09:00
filter.h
g10/armor: use libgcrypt's CRC24 implementation
2018-11-08 21:31:12 +02:00
free-packet.c
gpg: Fix for new SOS changes when used with Libgcrypt < 1.8.6.
2020-06-09 18:16:44 +02:00
getkey.c
doc: Some documentation updates.
2020-09-21 09:20:47 +02:00
gpg-w32info.rc
w32: Add manifest to gpg.
2015-02-04 09:15:34 +01:00
gpg.c
gpg: New command --quick-revoke-sig
2020-10-28 17:06:27 +01:00
gpg.h
gpg: Change the way v5 fingerprints are printed.
2019-11-28 12:05:32 +01:00
gpg.w32-manifest.in
w32: Add manifest to gpg.
2015-02-04 09:15:34 +01:00
gpgcompose.c
build: Always use EXTERN_UNLESS_MAIN_MODULE pattern.
2020-02-10 16:50:47 +01:00
gpgsql.c
Remove -I option to common.
2017-03-07 20:25:54 +09:00
gpgsql.h
Change all http://www.gnu.org in license notices to https://
2016-11-05 12:02:19 +01:00
gpgv.c
gpg: If possible TRUST values now depend on signer's UID or --sender.
2020-06-08 20:13:25 +02:00
helptext.c
Remove -I option to common.
2017-03-07 20:25:54 +09:00
import.c
gpg: New experimental import option "bulk-import"
2020-09-24 16:47:10 +02:00
kbnode.c
gpg: Avoid importing secret keys if the keyblock is not valid.
2019-03-15 20:41:38 +01:00
key-check.c
gpg: Fix debug output for key_check_all_keysigs with opaque MPI.
2020-11-02 11:32:27 +09:00
key-check.h
gpg: Avoid output to the tty during import.
2017-07-27 11:38:57 +02:00
key-clean.c
gpg: Sort the signatures in standard key listings.
2020-10-27 17:21:19 +01:00
key-clean.h
headers: fix spelling
2018-10-25 16:53:05 -04:00
keydb-private.h
gpg: Set the found-by flags in the keyblock in keyboxd mode.
2020-09-22 16:20:41 +02:00
keydb.c
g10,sm: Use gnupg_access at two more places
2020-10-26 12:50:13 +01:00
keydb.h
gpg: Fix trustdb for v5key.
2020-08-07 13:02:47 +09:00
keyedit.c
gpg: Fix iteration over signatures
2020-11-02 09:14:03 +01:00
keyedit.h
gpg: New command --quick-revoke-sig
2020-10-28 17:06:27 +01:00
keygen.c
gpg: Switch to ed25519+cv25519 as default algo.
2020-10-05 14:21:31 +02:00
keyid.c
gpg: Fix trustdb for v5key.
2020-08-07 13:02:47 +09:00
keylist.c
gpg: New command --quick-revoke-sig
2020-10-28 17:06:27 +01:00
keyring.c
Replace all calls to stat by gnupg_stat.
2020-10-20 16:38:06 +02:00
keyring.h
gpg: Pass CTRL to many more functions.
2017-03-31 20:07:20 +02:00
keyserver-internal.h
gpg: Pass key origin values to import functions.
2017-07-13 18:29:01 +02:00
keyserver.c
gpg: Add property "fpr" for use by --export-filter.
2020-03-13 13:19:31 +01:00
main.h
gpg: Do not use weak digest algos if selected by recipient prefs.
2020-11-02 13:45:19 +01:00
mainproc.c
sm: Exclude rsaPSS from de-vs compliance mode.
2020-07-03 16:15:29 +02:00
Makefile.am
build: New configure option --disable-tests
2020-08-20 10:54:17 +02:00
mdfilter.c
Remove -I option to common.
2017-03-07 20:25:54 +09:00
migrate.c
Replace most of the remaining stdio calls by estream calls.
2020-10-20 12:15:56 +02:00
misc.c
gpg: Do not use weak digest algos if selected by recipient prefs.
2020-11-02 13:45:19 +01:00
objcache.c
Spelling cleanup.
2020-02-18 18:07:46 -05:00
objcache.h
gpg: Fix getting User ID.
2019-07-11 12:32:44 +09:00
openfile.c
Replace all calls to stat by gnupg_stat.
2020-10-20 16:38:06 +02:00
options.h
gpg: Sort the signatures in standard key listings.
2020-10-27 17:21:19 +01:00
packet.h
doc: Minor code comment fixes.
2020-06-08 15:22:58 +02:00
parse-packet.c
gpg,ecc: Handle external representation as SOS with opaque MPI.
2020-06-09 10:32:47 +09:00
passphrase.c
gpg: Use integrated passphrase repeat entry also for -c.
2020-07-08 14:33:25 +02:00
photoid.c
Replace most of the remaining stdio calls by estream calls.
2020-10-20 12:15:56 +02:00
photoid.h
gpg: A little clean up.
2019-07-23 12:04:21 +09:00
pkclist.c
gpg: Extend the TRUST_ status lines.
2020-06-09 11:00:16 +02:00
pkglue.c
gpg: Fix first zero-byte case for SOS handling.
2020-10-30 15:21:20 +09:00
pkglue.h
gpg: Use bytes for ECDH.
2020-06-09 15:45:51 +09:00
plaintext.c
gpg: Fix using --decrypt along with --use-embedded-filename.
2019-05-17 13:40:24 +02:00
progress.c
Remove -I option to common.
2017-03-07 20:25:54 +09:00
pubkey-enc.c
gpg: Reword warning about decryption w/o using a non-encrypt key.
2020-07-14 11:01:45 +02:00
pubring.asc
Update copyright notices for 2017.
2017-01-23 19:16:55 +01:00
revoke.c
gpg: New command --quick-revoke-sig
2020-10-28 17:06:27 +01:00
rmd160.c
Clean up word replication.
2017-02-21 13:11:46 -05:00
rmd160.h
Change all http://www.gnu.org in license notices to https://
2016-11-05 12:02:19 +01:00
seckey-cert.c
More change for common.
2017-03-07 20:32:09 +09:00
server.c
Remove -I option to common.
2017-03-07 20:25:54 +09:00
seskey.c
gpg,ecc: Handle external representation as SOS with opaque MPI.
2020-06-09 10:32:47 +09:00
sig-check.c
gpg: Do not use weak digest algos if selected by recipient prefs.
2020-11-02 13:45:19 +01:00
sign.c
gpg: Do not use weak digest algos if selected by recipient prefs.
2020-11-02 13:45:19 +01:00
skclist.c
gpg: Rename the struct card_key_info_s.
2020-02-12 17:29:51 +01:00
t-keydb-get-keyblock.c
gpg: New option --use-keyboxd.
2019-09-09 15:01:47 +02:00
t-keydb-get-keyblock.gpg
gpg: Correctly handle keyblocks followed by legacy keys.
2015-11-17 14:53:03 +01:00
t-keydb-keyring.kbx
g10: Add test for keydb as well as new testing infrastructure.
2015-09-02 15:08:57 +02:00
t-keydb.c
gpg: New option --use-keyboxd.
2019-09-09 15:01:47 +02:00
t-rmd160.c
Change all http://www.gnu.org in license notices to https://
2016-11-05 12:02:19 +01:00
t-stutter-data.asc
gpg: Add a new test.
2016-03-08 14:08:49 +01:00
t-stutter.c
g10: Stop compiler warning for t-stutter.
2017-05-10 11:13:03 +09:00
tdbdump.c
Merge branch 'STABLE-BRANCH-2-2' into master
2018-03-27 08:48:00 +02:00
tdbio.c
Replace all calls to stat by gnupg_stat.
2020-10-20 16:38:06 +02:00
tdbio.h
gpg: Pass CTRL arg to get_trusthashrec.
2018-03-26 18:06:43 +02:00
test-stubs.c
gpg: If possible TRUST values now depend on signer's UID or --sender.
2020-06-08 20:13:25 +02:00
test.c
build: Always use EXTERN_UNLESS_MAIN_MODULE pattern.
2020-02-10 16:50:47 +01:00
textfilter.c
gpg: Initialize a parameter to silence valgrind.
2020-09-04 11:32:47 +02:00
tofu.c
Replace all calls to stat by gnupg_stat.
2020-10-20 16:38:06 +02:00
tofu.h
g10: Remove dead code.
2016-12-06 12:16:56 +01:00
trust.c
gpg: Move key cleaning functions to a separate file.
2018-07-06 11:40:16 +02:00
trustdb.c
gpg: Sort the signatures in standard key listings.
2020-10-27 17:21:19 +01:00
trustdb.h
gpg: Move key cleaning functions to a separate file.
2018-07-06 11:40:16 +02:00
verify.c
gpg: Make really sure that --verify-files always returns an error.
2020-02-10 15:32:55 +01:00
zlib-riscos.h
Change all http://www.gnu.org in license notices to https://
2016-11-05 12:02:19 +01:00