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path: root/lib/ssl/src/tls_handshake.erl
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2018-09-27ssl: Generalize extensions handlingIngela Anderton Andin
As TLS 1.3 introduces more extensions in other places than in hello messages we like to have generalize extension handling encode/decode with some hello wrappers. Also extend property tests of handshake encod/decode
2018-09-06ssl: Correct compression decodingIngela Anderton Andin
Property testing revealed an decoding error of "compression_methods" in the client hello. As we do not implement any compression methods this has no practical impact.
2018-09-04ssl: Add initial TLS 1.3 hanshake encode/decode supportIngela Anderton Andin
2018-08-22Merge branch 'maint'Ingela Anderton Andin
Conflicts: lib/ssl/src/ssl_cipher.erl
2018-08-21ssl: Move formatting code to own moduleIngela Anderton Andin
The conversion code for different representations of cipher suites is long an repetitive. We want to hide it in a module that does not have other functions that we like to look at.
2018-08-14Merge branch 'maint'Ingela Anderton Andin
2018-07-19ssl: Implement downgrade protection mechanism (TLS 1.3)Péter Dimitrov
If negotiating TLS 1.2, TLS 1.3 servers MUST set the last eight bytes of their Random value to the bytes: 44 4F 57 4E 47 52 44 01 If negotiating TLS 1.1 or below, TLS 1.3 servers MUST and TLS 1.2 servers SHOULD set the last eight bytes of their Random value to the bytes: 44 4F 57 4E 47 52 44 00 Change-Id: If35112f63f42a9af351f4ca9b1846fd3f5b08167
2018-07-19ssl: Update hello state (TLS 1.3)Péter Dimitrov
Update hello state to handle the "supported_versions" extension defined by TLS 1.3: - If "supported_versions" is present in ServerHello, the client will aboirt the handshake with an "illegal_parameter" alert. - If "supported_versions" is present in ClientHello, the server will select a version from "supported_versions" and ignore ClientHello.legacy_version. If it only supports versions greater than "supported_versions", the server aborts the handshake with a "protocol_version" alert. - If "supported_versions" is absent in ClientHello, the server negotiates the minimum of ClientHello.legacy_version and TLS 1.2. If it only supports version greater than ClientHello.legacy_version, the server aborts the handshake with a "protocol_version" alert. Change-Id: I16eef15d77bf21209c6cc103546ddddca518483b
2018-07-17ssl: Improve error messageIngela Anderton Andin
2018-07-02ssl: Add support for stateful loggingPéter Dimitrov
- Introduce stateful logging levels to the ssl application: The SSL option 'log_alert' sets log level to notice/warning if it is set to true/false. Default log level is notice. - Add new SSL option 'log_level' that overrides the value of 'log_alert'. Default value is notice. - 'log_level' debug triggers verbose logging of TLS protocol messages and logging of ignored alerts in DTLS. Change-Id: I28d3f4029a5d504ec612abe4b9ae0b7d9b115197
2018-06-20ssl: Update domain filter, use log macrosPéter Dimitrov
Change-Id: Id52990a105c81373c7c6034df9a2675f9d0e429a
2018-06-20ssl: Add logging for TLS Handshake ProtocolPéter Dimitrov
- Add logging for TLS Handshake messages. - Remove version from the input map used in format/2. Change-Id: I1a8a3dbe5854d3b25cca33e9a6634ac9a53d5867
2018-06-18Update copyright yearHenrik Nord
2018-03-09ssl: Remove interoperability option v2_hello_compatibleIngela Anderton Andin
2017-12-14ssl: Align (with DTLS) and correct TLS_FALLBACK_SCSV handlingIngela Anderton Andin
2017-12-05ssl: Use maps for cipher suites internallyIngela Anderton Andin
This is a preparation for improvements to come in option handling and support for TLS-1.3
2017-11-16ssl: Align code of TLS/DTLS handshake handlingIngela Anderton Andin
2017-05-06ssl: Add hostname check of server certificateIngela Anderton Andin
When the server_name_indication is sent automatize the clients check of that the hostname is present in the servers certificate. Currently server_name_indication shall be on the dns_id format. If server_name_indication is disabled it is up to the user to do its own check in the verify_fun.
2017-05-04Update copyright yearRaimo Niskanen
2017-02-15Merge branch 'fix-source-typos'Björn Gustavsson
* fix-source-typos: (25 commits) Fixed typos in system/doc Fixed typos in lib/xmerl Fixed typos in lib/wx Fixed typos in lib/stdlib Fixed typos in lib/snmp Fixed typos in lib/ssl Fixed typos in lib/ssh Fixed typos in PKCS-8.asn1 file Fixed typos in lib/parsetools Fixed typos in lib/orber Fixed typos in lib/mnesia Fixed typos in lib/megaco Fixed typos in lib/kernel Fixed typos in lib/jinterface Fixed typos in lib/inets Fixed typos in lib/hipe Fixed typos in lib/eunit Fixed typos in lib/erl_interface Fixed typos in lib/eldap Fixed typos in lib/edoc ...
2017-02-14Fixed typos in lib/sslAndrew Dryga
2017-02-08ssl: Avoid SSL/TLS hello format confusionIngela Anderton Andin
Valid SSL 3.0 or TLS hellos might accidentally match SSL 2.0 format (and sometimes the other way around before inspecting data) so we need to match SSL 3.0 and TLS first and only match SSL 2.0 hellos when flag to support it is set.
2016-12-07Update copyright-yearErlang/OTP
2016-11-02Add ECC curve selection order config in TLS serverFred Hebert
As per RFC 4492 Sec 5.1, the preferred order of selection of named curves is based on client preferences. Currently, the SSL application only picks entries according to the absolute order of entries as tracked in a hardcoded list in code. This patch changes things so that the client-specified order is preferred. It also allows a mode where the server can be configured to override the client's preferred order with its own, although the chosen ECC must still be within both lists. The configuration is done through the following options: - `eccs`, shared by clients and servers alike, allows the specification of the supported named curves, in their preferred order, and may eventually support more values for explicit primes and so on. - `honor_ecc_order`, a server-only option, is similar to `honor_cipher_order` and will, by default let the server pick the client-preferred ECC, and otherwise pick the server-preferred one. The default value for `eccs` is the same as before, although the server-chosen ECC now defaults to the client rather than previous choice. A function `ssl:eccs()` has been added that returns the highest supported ECCs for the library.
2016-09-05ssl: Refactor to use maps for the connection statesIngela Anderton Andin
2016-08-31ssl: Gracefulness behaviour when receiving partially malformed messagesIngela Anderton Andin
2016-06-13ssl: move available_signature_algs to ssl_handshakeAndreas Schultz
available_signature_algs is also needed for DTLS, move it into a shared place and export it. Conflicts: lib/ssl/src/tls_handshake.erl
2016-06-03ssl: Add option to phase out support for sslv2 client helloIngela Anderton Andin
ssl servers can recognize sslv2 client hellos to interop with clients that support higher version of SSL/TLS but also offers sslv2 Conflicts: lib/ssl/src/tls_connection.erl
2016-05-31Improve SSL diagnosticsAlexey Lebedeff
There are a lot of cases where `ssl` application just returns unhelpful `handshake failure` or `internal error`. This patch tries to provide better diagnostics so operator can debug his SSL misconfiguration without doing hardcore erlang debugging. Here is an example escript that incorrectly uses server certificate as a client one: https://gist.github.com/binarin/35c34c2df7556bf04c8a878682ef3d67 With the patch it is properly reported as an error in "extended key usage".
2016-05-10ssl: ordsets:intersection/2 did not give the expected resultIngela Anderton Andin
Turns out we can not count on the "hashsigns" sent by the client and the supported "hashigns" sets to have required properties of ordsets.
2016-04-29ssl: Correct guard expressionIngela Anderton Andin
The guard should check that the TLS version is at least TLS-1.2.
2016-04-06ssl: Add option signature_algsIngela Anderton Andin
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.
2015-06-18Change license text to APLv2Bruce Yinhe
2015-03-23ssl: Dialyzer fixesIngela Anderton Andin
2015-03-17ssl: Add TLS-ALPN supportLoïc Hoguin
This commit adds support for RFC7301, application-layer protocol negotiation. ALPN is the standard based approach to the NPN extension, and is required for HTTP/2. ALPN lives side by side with NPN and provides an equivalent feature but in this case it is the server that decides what protocol to use, not the client. When both ALPN and NPN are sent by a client, and the server is configured with both ALPN and NPN options, ALPN will always take precedence. This behavior can also be found in the OpenSSL implementation of ALPN. ALPN and NPN share the ssl:negotiated_protocol/1 function for retrieving the negotiated protocol. The previously existing function ssl:negotiated_next_protocol/1 still exists, but has been deprecated and removed from the documentation. The tests against OpenSSL require OpenSSL version 1.0.2+.
2015-03-11ssl: Dialyzer fixesIngela Anderton Andin
2015-03-02ssl: Implement support for TLS_FALLBACK_SCSVIngela Anderton Andin
2014-03-25ssl: Improve type specsIngela Anderton Andin
Conflicts: lib/ssl/src/dtls_record.erl
2014-01-22ssl: Incorrect inputed cipherlist lead server to think that the clientIngela Anderton Andin
did not support secure renegotiation
2013-12-02ssl: Refactor connection and handshake handlingIngela Anderton Andin
2013-12-02ssl: Refactor handshake and record handlingIngela Anderton Andin
2013-11-06Add SSL Server Name Indication (SNI) client supportJulien Barbot
See RFC 6066 section 3
2013-10-14ssl: Fix dialyzer specIngela Anderton Andin
2013-10-14ssl: Honor TLS client ECC extensionIngela Anderton Andin
Also the server should only send ECC point formats extension not ECC curve extension.
2013-09-10ssl: Refactor TLS/DTLS record handlingIngela Anderton Andin
2013-09-10ssl: Dialyzer fixesIngela Anderton Andin
2013-09-10ssl: DTLS record handlingIngela Anderton Andin
Also refactor so that TLS and DTLS can have common functions when possible.
2013-09-10ssl: Refactor to provide common handshake functions for TLS/DTLSIngela Anderton Andin
Common functions will be located in ssl_handshake.erl while specific functions will be located in tls_handshake.erl and dtls_handshake.erl
2013-09-02ssl: Do not advertise support for algorithms not supported by cryptoIngela Anderton Andin
2013-09-02ssl: Skip second length indicator in EC extensionsIngela Anderton Andin
We have no need to care about the value of this length indicator so we do not need to match it or verify it, it is unnecessary work.
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