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* ingela/maint/ssl/max-session-table/OTP-13490:
ssl: Mitigate load increase when the whole session table is invalidated
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* joedevivo/maint/ssl/PR-1063/OTP-13635:
ssl:recv timeout() can be 0
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maint-18
* ingela/maint/ssl/tls-1.2-available-hashsigns/OTP-13670:
ssl: ordsets:intersection/2 did not give the expected result
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into maint-18
* kennethlakin/maint/tls-use-negotiated-prf/PR-1042/OTP-13546:
ssl: Use cipher suite's PRF in prf/5
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Use the negotiated cipher suite's PRF algorithm in calls to
ssl:prf/5, rather than a hard-coded one.
For TLS 1.0 the PRF algorithm was hard-coded to MD5/SHA1. This
was correct 100% of the time.
For TLS 1.1 and 1.2 the PRF algorithm was hard-coded to SHA256.
This was correct only some of the time for TLS 1.2 and none of the
time for TLS 1.1. Because the TLS handshake code calls tls_v1:prf/5
through another path, the handshaking process used the negotiated
PRF and did not encounter this bug.
A new test (prf) has been added to ssl_basic_SUITE to guard against future
breakage.
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gen_tcp:recv allows this, and if you're doing something like
Transport:recv(Socket, 0, 0), TCP will work and SSL will exit with
function_clause
There were other cases of this throughout the module. This PR cleans
them all up.
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Turns out we can not count on the "hashsigns" sent by the client and
the supported "hashigns" sets to have required properties of ordsets.
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The guard should check that the TLS version is at least TLS-1.2.
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Correct conversion errors form commit d2381e1a8d7cd54f7dc0a5105d172460b005a8fb
Please enter the commit message for your changes. Lines starting
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* ingela/ssl/config-signature-algs/OTP-13261:
ssl: Prepare for release
ssl: Add option signature_algs
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It was not possible to mix ssl 3 and 4 tuple cipher suites in the
ciphers option.
Some ssl_cipher:suite/1 clauses wrongly returned 3-tuples that
should have been 4 tuples
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In TLS-1.2 The signature algorithm and the hash function algorithm
used to produce the digest that is used when creating the digital signature
may be negotiated through the signature algorithm extension RFC 5246.
We want to make these algorithm pairs configurable.
In connections using lower versions of TLS these algorithms are
implicit defined and can not be negotiated or configured.
DTLS is updated to not cause dialyzer errors, but needs to get a real
implementation later.
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* legoscia/tls_ipv6_dist:
Add inet6_tls_dist, for TLS distribution over IPv6
Conflicts:
lib/ssl/src/ssl_tls_dist_proxy.erl
OTP-13391
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* legoscia/fix-ssl-example/PR-976/OTP-13363:
ssl: Modernize utility function
Fix ssl example
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* legoscia/crl-check-without-dp:
Be suspicious of certificates without CRL DPs
Refactor ssl_crl_SUITE: extract crl_verify_error/6
OTP-13378
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* legoscia/critical-extension-verify-none:
ssl: with verify_none, accept critical extensions
OTP-13377
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Use application:ensure_all_started/2 instead of hard coding dependencies
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As recently discussed on the erlang-questions mailing list, this
example fails to start the ssl application because ssl depends on asn1
nowadays. Let's future-proof this by using
application:ensure_all_started/1.
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Older SSL/TLS versions have cipher suites
that look like {key_exchange(), cipher(), MAC::hash()}
and the hash function used by the PRF (Pseudo Random function)
is implicit and always the same for that protocol version.
In TLS 1.2 a cipher suite is
{key_exchange(), cipher(), MAC::hash(), PRF::hash()}.
Internally a cipher suite is always a four tuple but
for backwards compatibility older cipher suites
will be presented as a three tuples, however new cipher suites
should be presented as four tuples.
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Make sure that options only relevant for one role (client|server) is set
to undefined when the other role is invoked. As there are many options to
ssl, and many are optional, we choose to filter out all undefined options
to avoid overwhelming the user with not relevant information.
This way there is no need for any special handling of the role specific options
which is also nice.
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* legoscia/ssl-doc-typos:
Fix typos in ssl.xml
OTP-13339
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Previously, if certificate revocation checking was turned on, and a
certificate didn't contain a CRL Distribution Points extension, and
there was no relevant CRL in the cache, then ssl_handshake:crl_check
would accept the certificate even if the crl_check option was set to
reject certificates for which the revocation status could not be
determined. With this change, such certificates will only be accepted
if the crl_check option was set to best_effort.
The process for CRL validation is described in section 6.3 of RFC
5280. The text doesn't mention any special treatment to be given to
certificates without distribution points: it just says "For each
distribution point..." (section 6.3.3), which would leave the
revocation status undetermined, unless there were "any available CRLs
not specified in a distribution point but issued by the certificate
issuer". Thus the result of this algorithm should be UNDETERMINED in
this case, not UNREVOKED, and the crl_check option should govern how
the implementation reacts to this result.
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When establishing a TLS connection with {verify, verify_none}, if the
server has a certificate with a critical extension, for example a
"Netscape Cert Type" extension, certificate verification would fail,
which is surprising given that the name of the option suggests that no
verification would be performed.
With this change, certificate extensions marked as critical are
ignored when using verify_none.
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* ia/pr/958/OTP-13334:
ssl: verify cert signature against original cert binary
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OTP-13311
* sverk/ecc-fixes:
Ensure testing ssl with supported ciphers only
Only use supported EC curves in crypto tests
Check the result of EC_GROUP_new_curve_* calls
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When searching for a certificate's issuer in the `CertDB`, verify the signature
against the original DER certificate from the handshake instead of a re-encoding
of the parsed certificate. This avoids false negatives due to differences
between DER encoding implementations of OTP and other platforms.
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* ia/ssl/validator:
ssl: Only start a new session validator if the old one has finished its work
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* legoscia/tls-dist-listen-ip:
TLS distribution: bind erts socket to localhost
OTP-13300
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Generalise much of inet_tls_dist, so that inet6_tls_dist can reuse it.
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* legoscia/tls-dist-connect-options:
ssl_dist_SUITE: don't use deprecated functions
TLS distribution: support inet_dist_connect_options
OTP-13285
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There are two problematic areas: EC curve selection and
interoperability tests with OpenSSL.
The tests shouldn't assume any particular EC curve is available, but
should always check the list of curves reported by
tls_v1:ecc_curves/1.
And during interoperability tests the tests shouldn't assume that any
cipher suite supported by Erlang is also supported by OpenSSL. There
are OpenSSL packages where the command line openssl tool only supports
a subset of the ciphers available in libcrypto. The actual list of
supported cipher suites thus shall be queried from OpenSSL.
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Just like crl_verify_valid/5 checks for a positive result given
certain options, crl_verify_error/6 checks for a negative result.
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* legoscia/tls_dist_wait_for_code_server:
TLS distribution: wait for code server
OTP-13268
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If the session table is big the validator may not have finshed before
the validation interval is up, in this case we should not start a new
validator adding to the cpu load.
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* ia/ssl/test-alpn-cuddle:
ssl: Fix typos that broke alpn tests
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As sslv3 is being faced out we need to test for old version support as well as
newer versions.
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Use erlang:unique_integer/1 instead of erlang:now/0 to generate a
unique node name.
Use rand:uniform/1 instead of random:uniform/1, so we don't need to
generate a seed ourselves.
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Allow adding extra options for outgoing TLS distribution connnections,
as supported for plain TCP connections.
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* legoscia/tls_dist_error_reporting:
Report bad options for outgoing TLS distribution
Save error reasons for TLS distribution connections
Report bad options for TLS distribution connections
OTP-13219
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