| Commit message (Collapse) | Author | Age | Files | Lines |
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Add gnutls_hash_copy() function for copying message digest context.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Add gnutls_hmac_copy() API to duplicate MAC handler state, which is
necessary for SMB3 support.
Resolves: #787
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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This allows the system administrator or the distributor to use
the gnutls configuration file to mark hashes, signature algorithms,
TLS versions, curves, groups, ciphers KX, and MAC algorithms as
insecure (the last four only in the context of a TLS session).
It also allows to set a minimum profile which the applications
cannot fall below.
The options intentionally do not allow marking algorithms as
secure so that the configuration file cannot be used as an attack
vector. This change also makes sure that unsupported and disabled protocols
during compile time (e.g., SSL3.0), do not get listed by gnutls-cli.
The configuration file feature can be disabled at compile time
with an empty --with-system-priority-file.
This patch it introduces the function gnutls_get_system_config_file()
allowing applications to check whether a configuration file
was used.
Resolves: #587
Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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It compicates the 'make dist' phase and does not add much
value as the files are available from the web site.
Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
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Signed-off-by: Simo Sorce <simo@redhat.com>
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The previous behavior was that both sending and receiving limits are
negotiated to be the same value. It was problematic when:
- client sends a record_size_limit with a large value in CH
- server sends a record_size_limit with a smaller value in EE
- client updates the limit for both sending and receiving, upon
receiving EE
- server sends a Certificate message larger than the limit
With this patch, each peer maintains the sending / receiving limits
separately so not to confuse with the contradicting settings.
Signed-off-by: Daiki Ueno <dueno@redhat.com>
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This adds a new function gnutls_prf_early, which shall be called in a
handshake hook waiting for GNUTLS_HANDSHAKE_CLIENT_HELLO. The test
needs to be run in a datefudge wrapper as the early secrets depend on
the current time (through PSK).
Signed-off-by: Daiki Ueno <dueno@redhat.com>
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This directory had a makefile which was intended to calculate the cyclomatic
complexity, however that was not functional, and not related with gnutls'
documentation.
Resolves: #727
Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
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Signed-off-by: Tom Vrancken <dev@tomvrancken.nl>
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This patch tries to make the code have the same time and memory access
aptterns across all branches of the decryption function so that timining
or cache side channels are minimized or neutralized.
To do so it uses a new nettle rsa decryption function that is
side-channel silent.
Signed-off-by: Simo Sorce <simo@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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This implements ClientHello recording outlined in section 8.2 of RFC
8446.
Signed-off-by: Daiki Ueno <dueno@redhat.com>
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This adds a way to store an entry if it is not found in the database,
so that the implementation can provide atomic test-and-set.
Signed-off-by: Daiki Ueno <dueno@redhat.com>
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This would be particularly useful when the same database is used to
store long-lived TLS 1.2 session data and short-lived TLS 1.3
anti-replay entries. Note that the existing gnutls_db_check_entry
doesn't fit in this use-case, as it takes gnutls_session_t as the
argument.
Signed-off-by: Daiki Ueno <dueno@redhat.com>
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This introduces gnutls_record_get_max_early_data_size(),
gnutls_record_send_early_data(), and gnutls_record_recv_early_data()
functions.
Signed-off-by: Daiki Ueno <dueno@redhat.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Recognize parameters of the form unsigned char name[8], and
do not print obscure warnings. Furthermore gdoc will fail
when a function parameter is not described or when no
function is found. This addresses the generation of undetected
errors in generated manpages.
Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Tom Vrancken <dev@tomvrancken.nl>
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As 0-RTT is still not implemented in GnuTLS, the server responds with
1-RTT, by skipping decryption failure up to max_early_data_size, as
suggested in 4.2.10 Early Data Detection.
Resolves #512
Signed-off-by: Daiki Ueno <dueno@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
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Signed-off-by: Tim Rühsen <tim.ruehsen@gmx.de>
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Signed-off-by: Tim Rühsen <tim.ruehsen@gmx.de>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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This adds a new function gnutls_record_send2() which takes an extra
argument to specify the padding size of the record.
Signed-off-by: Daiki Ueno <dueno@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
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