diff options
Diffstat (limited to 'lib/ssl/doc/src')
| -rw-r--r-- | lib/ssl/doc/src/Makefile | 24 | ||||
| -rw-r--r-- | lib/ssl/doc/src/book.xml | 2 | ||||
| -rw-r--r-- | lib/ssl/doc/src/fascicules.xml | 19 | ||||
| -rw-r--r-- | lib/ssl/doc/src/note.gif | bin | 1539 -> 0 bytes | |||
| -rw-r--r-- | lib/ssl/doc/src/notes.xml | 640 | ||||
| -rw-r--r-- | lib/ssl/doc/src/pkix_certs.xml | 59 | ||||
| -rw-r--r-- | lib/ssl/doc/src/release_notes.xml | 50 | ||||
| -rw-r--r-- | lib/ssl/doc/src/ssl.xml | 286 | ||||
| -rw-r--r-- | lib/ssl/doc/src/ssl_app.xml | 55 | ||||
| -rw-r--r-- | lib/ssl/doc/src/ssl_crl_cache_api.xml | 17 | ||||
| -rw-r--r-- | lib/ssl/doc/src/ssl_distribution.xml | 20 | ||||
| -rw-r--r-- | lib/ssl/doc/src/ssl_session_cache_api.xml | 31 | ||||
| -rw-r--r-- | lib/ssl/doc/src/usersguide.xml | 2 | ||||
| -rw-r--r-- | lib/ssl/doc/src/using_ssl.xml | 2 | ||||
| -rw-r--r-- | lib/ssl/doc/src/warning.gif | bin | 1498 -> 0 bytes |
15 files changed, 971 insertions, 236 deletions
diff --git a/lib/ssl/doc/src/Makefile b/lib/ssl/doc/src/Makefile index 669062779e..f9128e8e45 100644 --- a/lib/ssl/doc/src/Makefile +++ b/lib/ssl/doc/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1999-2015. All Rights Reserved. +# Copyright Ericsson AB 1999-2017. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -38,25 +38,25 @@ RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN) # Target Specs # ---------------------------------------------------- XML_APPLICATION_FILES = refman.xml -XML_REF3_FILES = ssl.xml ssl_crl_cache.xml ssl_crl_cache_api.xml ssl_session_cache_api.xml +XML_REF3_FILES = ssl.xml ssl_crl_cache.xml ssl_crl_cache_api.xml ssl_session_cache_api.xml XML_REF6_FILES = ssl_app.xml -XML_PART_FILES = release_notes.xml usersguide.xml +XML_PART_FILES = usersguide.xml XML_CHAPTER_FILES = \ + ssl_introduction.xml \ ssl_protocol.xml \ using_ssl.xml \ - pkix_certs.xml \ ssl_distribution.xml \ notes.xml BOOK_FILES = book.xml XML_FILES = $(BOOK_FILES) $(XML_APPLICATION_FILES) $(XML_REF3_FILES) $(XML_REF6_FILES) \ - $(XML_PART_FILES) $(XML_CHAPTER_FILES) + $(XML_PART_FILES) $(XML_CHAPTER_FILES) -GIF_FILES = warning.gif +GIF_FILES = -PS_FILES = +PS_FILES = XML_FLAGS += -defs cite cite.defs -booksty otpA4 @@ -81,10 +81,10 @@ HTML_REF_MAN_FILE = $(HTMLDIR)/index.html TOP_PDF_FILE = $(PDFDIR)/$(APPLICATION)-$(VSN).pdf # ---------------------------------------------------- -# FLAGS +# FLAGS # ---------------------------------------------------- -XML_FLAGS += -DVIPS_FLAGS += +XML_FLAGS += +DVIPS_FLAGS += # ---------------------------------------------------- # Targets @@ -110,11 +110,11 @@ man: $(MAN3_FILES) $(MAN6_FILES) gifs: $(GIF_FILES:%=$(HTMLDIR)/%) -debug opt: +debug opt: # ---------------------------------------------------- # Release Target -# ---------------------------------------------------- +# ---------------------------------------------------- include $(ERL_TOP)/make/otp_release_targets.mk release_docs_spec: docs diff --git a/lib/ssl/doc/src/book.xml b/lib/ssl/doc/src/book.xml index a0890a028d..056c958f0f 100644 --- a/lib/ssl/doc/src/book.xml +++ b/lib/ssl/doc/src/book.xml @@ -4,7 +4,7 @@ <book xmlns:xi="http://www.w3.org/2001/XInclude"> <header titlestyle="normal"> <copyright> - <year>1999</year><year>2013</year> + <year>1999</year><year>2016</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssl/doc/src/fascicules.xml b/lib/ssl/doc/src/fascicules.xml deleted file mode 100644 index 7a60e8dd1f..0000000000 --- a/lib/ssl/doc/src/fascicules.xml +++ /dev/null @@ -1,19 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE fascicules SYSTEM "fascicules.dtd"> - -<fascicules> - <fascicule file="usersguide" href="usersguide_frame.html" entry="no"> - User's Guide - </fascicule> - <fascicule file="refman" href="refman_frame.html" entry="yes"> - Reference Manual - </fascicule> - <fascicule file="release_notes" href="release_notes_frame.html" entry="no"> - Release Notes - </fascicule> - <fascicule file="" href="../../../../doc/print.html" entry="no"> - Off-Print - </fascicule> -</fascicules> - - diff --git a/lib/ssl/doc/src/note.gif b/lib/ssl/doc/src/note.gif Binary files differdeleted file mode 100644 index 6fffe30419..0000000000 --- a/lib/ssl/doc/src/note.gif +++ /dev/null diff --git a/lib/ssl/doc/src/notes.xml b/lib/ssl/doc/src/notes.xml index 0ba0bb9634..df6de08b9b 100644 --- a/lib/ssl/doc/src/notes.xml +++ b/lib/ssl/doc/src/notes.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>1999</year><year>2013</year> + <year>1999</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -27,11 +27,235 @@ </header> <p>This document describes the changes made to the SSL application.</p> -<section><title>SSL 7.3.3.2</title> +<section><title>SSL 8.2.2</title> + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + TLS sessions must be registered with SNI if provided, so + that sessions where client hostname verification would + fail can not connect reusing a session created when the + server name verification succeeded.</p> + <p> + Own Id: OTP-14632</p> + </item> + <item> + <p> An erlang TLS server configured with cipher suites + using rsa key exchange, may be vulnerable to an Adaptive + Chosen Ciphertext attack (AKA Bleichenbacher attack) + against RSA, which when exploited, may result in + plaintext recovery of encrypted messages and/or a + Man-in-the-middle (MiTM) attack, despite the attacker not + having gained access to the server’s private key + itself. <url + href="https://nvd.nist.gov/vuln/detail/CVE-2017-1000385">CVE-2017-1000385</url> + </p> <p> Exploiting this vulnerability to perform + plaintext recovery of encrypted messages will, in most + practical cases, allow an attacker to read the plaintext + only after the session has completed. Only TLS sessions + established using RSA key exchange are vulnerable to this + attack. </p> <p> Exploiting this vulnerability to conduct + a MiTM attack requires the attacker to complete the + initial attack, which may require thousands of server + requests, during the handshake phase of the targeted + session within the window of the configured handshake + timeout. This attack may be conducted against any TLS + session using RSA signatures, but only if cipher suites + using RSA key exchange are also enabled on the server. + The limited window of opportunity, limitations in + bandwidth, and latency make this attack significantly + more difficult to execute. </p> <p> RSA key exchange is + enabled by default although least prioritized if server + order is honored. For such a cipher suite to be chosen it + must also be supported by the client and probably the + only shared cipher suite. </p> <p> Captured TLS sessions + encrypted with ephemeral cipher suites (DHE or ECDHE) are + not at risk for subsequent decryption due to this + vulnerability. </p> <p> As a workaround if default cipher + suite configuration was used you can configure the server + to not use vulnerable suites with the ciphers option like + this: </p> <c> {ciphers, [Suite || Suite <- + ssl:cipher_suites(), element(1,Suite) =/= rsa]} </c> <p> + that is your code will look somethingh like this: </p> + <c> ssl:listen(Port, [{ciphers, [Suite || Suite <- + ssl:cipher_suites(), element(1,S) =/= rsa]} | Options]). + </c> <p> Thanks to Hanno Böck, Juraj Somorovsky and + Craig Young for reporting this vulnerability. </p> + <p> + Own Id: OTP-14748</p> + </item> + </list> + </section> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + If no SNI is available and the hostname is an IP-address + also check for IP-address match. This check is not as + good as a DNS hostname check and certificates using + IP-address are not recommended.</p> + <p> + Own Id: OTP-14655</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.2.1</title> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> + <p> + Max session table works correctly again</p> + <p> + Own Id: OTP-14556</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Customize alert handling for DTLS over UDP to mitigate + DoS attacks</p> + <p> + Own Id: OTP-14078</p> + </item> + <item> + <p> + Improved error propagation and reports</p> + <p> + Own Id: OTP-14236</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + ECDH-ECDSA key exchange supported, was accidently + dismissed in earlier versions.</p> + <p> + Own Id: OTP-14421</p> + </item> + <item> + <p> + Correct close semantics for active once connections. This + was a timing dependent bug the resulted in the close + message not always reaching the ssl user process.</p> + <p> + Own Id: OTP-14443</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + TLS-1.2 clients will now always send hello messages on + its own format, as opposed to earlier versions that will + send the hello on the lowest supported version, this is a + change supported by the latest RFC.</p> + <p> + This will make interoperability with some newer servers + smoother. Potentially, but unlikely, this could cause a + problem with older servers if they do not adhere to the + RFC and ignore unknown extensions.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-13820</p> + </item> + <item> + <p> + Allow Erlang/OTP to use OpenSSL in FIPS-140 mode, in + order to satisfy specific security requirements (mostly + by different parts of the US federal government). </p> + <p> + See the new crypto users guide "FIPS mode" chapter about + building and using the FIPS support which is disabled by + default.</p> + <p> + (Thanks to dszoboszlay and legoscia)</p> + <p> + Own Id: OTP-13921 Aux Id: PR-1180 </p> + </item> + <item> + <p> + Implemented DTLS cookie generation, required by spec, + instead of using a hardcoded value.</p> + <p> + Own Id: OTP-14076</p> + </item> + <item> + <p> + Implement sliding window replay protection of DTLS + records.</p> + <p> + Own Id: OTP-14077</p> + </item> + <item> + <p> + TLS client processes will by default call + public_key:pkix_verify_hostname/2 to verify the hostname + of the connection with the server certificates specified + hostname during certificate path validation. The user may + explicitly disables it. Also if the hostname can not be + derived from the first argument to connect or is not + supplied by the server name indication option, the check + will not be performed.</p> + <p> + Own Id: OTP-14197</p> + </item> + <item> + <p> + Extend connection_information/[1,2] . The values + session_id, master_secret, client_random and + server_random can no be accessed by + connection_information/2. Note only session_id will be + added to connection_information/1. The rational is that + values concerning the connection security should have to + be explicitly requested.</p> + <p> + Own Id: OTP-14291</p> + </item> + <item> + <p> + Chacha cipher suites are currently not tested enough to + be most preferred ones</p> + <p> + Own Id: OTP-14382</p> + </item> + <item> + <p> + Basic support for DTLS that been tested together with + OpenSSL.</p> + <p> + Test by providing the option {protocol, dtls} to the ssl + API functions connect and listen.</p> + <p> + Own Id: OTP-14388</p> + </item> + </list> + </section> +</section> + +<section><title>SSL 8.1.3.1</title> + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> <p> An erlang TLS server configured with cipher suites using rsa key exchange, may be vulnerable to an Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) @@ -79,9 +303,211 @@ </list> </section> +<section><title>SSL 8.1.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Remove debug printout</p> + <p> + Own Id: OTP-14396</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.1.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Correct active once emulation, for TLS. Now all data + received by the connection process will be delivered + through active once, even when the active once arrives + after that the gen_tcp socket is closed by the peer.</p> + <p> + Own Id: OTP-14300</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Corrected termination behavior, that caused a PEM cache + bug and sometimes resulted in connection failures.</p> + <p> + Own Id: OTP-14100</p> + </item> + <item> + <p> + Fix bug that could hang ssl connection processes when + failing to require more data for very large handshake + packages. Add option max_handshake_size to mitigate DoS + attacks.</p> + <p> + Own Id: OTP-14138</p> + </item> + <item> + <p> + Improved support for CRL handling that could fail to work + as intended when an id-ce-extKeyUsage was present in the + certificate. Also improvements where needed to + distributionpoint handling so that all revocations + actually are found and not deemed to be not determinable.</p> + <p> + Own Id: OTP-14141</p> + </item> + <item> + <p> + A TLS handshake might accidentally match old sslv2 format + and ssl application would incorrectly aborted TLS + handshake with ssl_v2_client_hello_no_supported. Parsing + was altered to avoid this problem.</p> + <p> + Own Id: OTP-14222</p> + </item> + <item> + <p> + Correct default cipher list to prefer AES 128 before 3DES</p> + <p> + Own Id: OTP-14235</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Move PEM cache to a dedicated process, to avoid making + the SSL manager process a bottleneck. This improves + scalability of TLS connections.</p> + <p> + Own Id: OTP-13874</p> + </item> + </list> + </section> + </section> -<section><title>SSL 7.3.3.1</title> +<section><title>SSL 8.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + List of possible anonymous suites, never supported by + default, where incorrect for some TLS versions.</p> + <p> + Own Id: OTP-13926</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Experimental version of DTLS. It is runnable but not + complete and cannot be considered reliable for production + usage.</p> + <p> + Own Id: OTP-12982</p> + </item> + <item> + <p> + Add API options to handle ECC curve selection.</p> + <p> + Own Id: OTP-13959</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.0.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + A timing related bug in event handling could cause + interoperability problems between an erlang TLS server + and some TLS clients, especially noticed with Firefox as + TLS client.</p> + <p> + Own Id: OTP-13917</p> + </item> + <item> + <p> + Correct ECC curve selection, the error could cause the + default to always be selected.</p> + <p> + Own Id: OTP-13918</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.0.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Correctly formed handshake messages received out of order + will now correctly fail the connection with unexpected + message.</p> + <p> + Own Id: OTP-13853</p> + </item> + + <item> + <p>Correct handling of signature algorithm selection</p> + <p> + Own Id: OTP-13711</p> + </item> + + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + ssl application now behaves gracefully also on partially + incorrect input from peer.</p> + <p> + Own Id: OTP-13834</p> + </item> + <item> + <p> + Add application environment configuration + bypass_pem_cache. This can be used as a workaround for + the current implementation of the PEM-cache that has + proven to be a bottleneck.</p> + <p> + Own Id: OTP-13883</p> + </item> + </list> + </section> + +</section> + +<section><title>SSL 8.0.1</title> <section><title>Fixed Bugs and Malfunctions</title> <list> @@ -101,7 +527,161 @@ </section> - <section><title>SSL 7.3.3.0.1</title> +<section><title>SSL 8.0</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Server now rejects, a not requested client cert, as an + incorrect handshake message and ends the connection.</p> + <p> + Own Id: OTP-13651</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Remove default support for DES cipher suites</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-13195</p> + </item> + <item> + <p> + Deprecate the function <c>crypto:rand_bytes</c> and make + sure that <c>crypto:strong_rand_bytes</c> is used in all + places that are cryptographically significant.</p> + <p> + Own Id: OTP-13214</p> + </item> + <item> + <p> + Better error handling of user error during TLS upgrade. + ERL-69 is solved by gen_statem rewrite of ssl + application.</p> + <p> + Own Id: OTP-13255</p> + </item> + <item> + <p> + Provide user friendly error message when crypto rejects a + key</p> + <p> + Own Id: OTP-13256</p> + </item> + <item> + <p> + Add ssl:getstat/1 and ssl:getstat/2</p> + <p> + Own Id: OTP-13415</p> + </item> + <item> + <p> + TLS distribution connections now allow specifying the + options <c>verify_fun</c>, <c>crl_check</c> and + <c>crl_cache</c>. See the documentation. GitHub pull req + #956 contributed by Magnus Henoch.</p> + <p> + Own Id: OTP-13429 Aux Id: Pull#956 </p> + </item> + <item> + <p> + Remove confusing error message when closing a distributed + erlang node running over TLS</p> + <p> + Own Id: OTP-13431</p> + </item> + <item> + <p> + Remove default support for use of md5 in TLS 1.2 + signature algorithms</p> + <p> + Own Id: OTP-13463</p> + </item> + <item> + <p> + ssl now uses gen_statem instead of gen_fsm to implement + the ssl connection process, this solves some timing + issues in addition to making the code more intuitive as + the behaviour can be used cleanly instead of having a lot + of workaround for shortcomings of the behaviour.</p> + <p> + Own Id: OTP-13464</p> + </item> + <item> + <p> + Phase out interoperability with clients that offer SSLv2. + By default they are no longer supported, but an option to + provide interoperability is offered.</p> + <p> + *** POTENTIAL INCOMPATIBILITY ***</p> + <p> + Own Id: OTP-13465</p> + </item> + <item> + <p> + OpenSSL has functions to generate short (eight hex + digits) hashes of issuers of certificates and CRLs. These + hashes are used by the "c_rehash" script to populate + directories of CA certificates and CRLs, e.g. in the + Apache web server. Add functionality to let an Erlang + program find the right CRL for a given certificate in + such a directory.</p> + <p> + Own Id: OTP-13530</p> + </item> + <item> + <p> + Some legacy TLS 1.0 software does not tolerate the 1/n-1 + content split BEAST mitigation technique. Add a + beast_mitigation SSL option (defaulting to + one_n_minus_one) to select or disable the BEAST + mitigation technique.</p> + <p> + Own Id: OTP-13629</p> + </item> + <item> + <p> + Enhance error log messages to facilitate for users to + understand the error</p> + <p> + Own Id: OTP-13632</p> + </item> + <item> + <p> + Increased default DH params to 2048-bit</p> + <p> + Own Id: OTP-13636</p> + </item> + <item> + <p> + Propagate CRL unknown CA error so that public_key + validation process continues correctly and determines + what should happen.</p> + <p> + Own Id: OTP-13656</p> + </item> + <item> + <p> + Introduce a flight concept for handshake packages. This + is a preparation for enabling DTLS, however it can also + have a positive effects for TLS on slow and unreliable + networks.</p> + <p> + Own Id: OTP-13678</p> + </item> + </list> + </section> + +</section> + + <section><title>SSL 7.3.3.2</title> <section><title>Fixed Bugs and Malfunctions</title> <list> @@ -184,7 +764,59 @@ </list> </section> + <section><title>SSL 7.3.3.0.1</title> + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> An erlang TLS server configured with cipher suites + using rsa key exchange, may be vulnerable to an Adaptive + Chosen Ciphertext attack (AKA Bleichenbacher attack) + against RSA, which when exploited, may result in + plaintext recovery of encrypted messages and/or a + Man-in-the-middle (MiTM) attack, despite the attacker not + having gained access to the server’s private key + itself. <url + href="https://nvd.nist.gov/vuln/detail/CVE-2017-1000385">CVE-2017-1000385</url> + </p> <p> Exploiting this vulnerability to perform + plaintext recovery of encrypted messages will, in most + practical cases, allow an attacker to read the plaintext + only after the session has completed. Only TLS sessions + established using RSA key exchange are vulnerable to this + attack. </p> <p> Exploiting this vulnerability to conduct + a MiTM attack requires the attacker to complete the + initial attack, which may require thousands of server + requests, during the handshake phase of the targeted + session within the window of the configured handshake + timeout. This attack may be conducted against any TLS + session using RSA signatures, but only if cipher suites + using RSA key exchange are also enabled on the server. + The limited window of opportunity, limitations in + bandwidth, and latency make this attack significantly + more difficult to execute. </p> <p> RSA key exchange is + enabled by default although least prioritized if server + order is honored. For such a cipher suite to be chosen it + must also be supported by the client and probably the + only shared cipher suite. </p> <p> Captured TLS sessions + encrypted with ephemeral cipher suites (DHE or ECDHE) are + not at risk for subsequent decryption due to this + vulnerability. </p> <p> As a workaround if default cipher + suite configuration was used you can configure the server + to not use vulnerable suites with the ciphers option like + this: </p> <c> {ciphers, [Suite || Suite <- + ssl:cipher_suites(), element(1,Suite) =/= rsa]} </c> <p> + that is your code will look somethingh like this: </p> + <c> ssl:listen(Port, [{ciphers, [Suite || Suite <- + ssl:cipher_suites(), element(1,S) =/= rsa]} | Options]). + </c> <p> Thanks to Hanno Böck, Juraj Somorovsky and + Craig Young for reporting this vulnerability. </p> + <p> + Own Id: OTP-14748</p> + </item> + </list> + </section> + + </section> <section><title>Improvements and New Features</title> <list> <item> diff --git a/lib/ssl/doc/src/pkix_certs.xml b/lib/ssl/doc/src/pkix_certs.xml deleted file mode 100644 index a5793af5ca..0000000000 --- a/lib/ssl/doc/src/pkix_certs.xml +++ /dev/null @@ -1,59 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE chapter SYSTEM "chapter.dtd"> - -<chapter> - <header> - <copyright> - <year>2003</year><year>2013</year> - <holder>Ericsson AB. All Rights Reserved.</holder> - </copyright> - <legalnotice> - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - - </legalnotice> - - <title>PKIX Certificates</title> - <prepared>UAB/F/P Peter Högfeldt</prepared> - <docno></docno> - <date>2003-06-09</date> - <rev>A</rev> - <file>pkix_certs.xml</file> - </header> - - <section> - <title>Introduction to Certificates</title> - <p>Certificates were originally defined by ITU (CCITT) and the latest - definitions are described in <cite id="X.509"></cite>, but those definitions - are (as always) not working. - </p> - <p>Working certificate definitions for the Internet Community are found - in the the PKIX RFCs <cite id="rfc3279"></cite> and <cite id="rfc3280"></cite>. - The parsing of certificates in the Erlang/OTP SSL application is - based on those RFCS. - </p> - <p>Certificates are defined in terms of ASN.1 (<cite id="X.680"></cite>). - For an introduction to ASN.1 see <url href="http://asn1.elibel.tm.fr/">ASN.1 Information Site</url>. - </p> - </section> - - <section> - <title>PKIX Certificates</title> - <p>Certificate handling is now handled by the <c>public_key</c> application.</p> - <p> - DER encoded certificates returned by <c>ssl:peercert/1</c> can for example - be decoded by the <c>public_key:pkix_decode_cert/2</c> function. - </p> - </section> -</chapter> - - diff --git a/lib/ssl/doc/src/release_notes.xml b/lib/ssl/doc/src/release_notes.xml deleted file mode 100644 index 4c9b18f900..0000000000 --- a/lib/ssl/doc/src/release_notes.xml +++ /dev/null @@ -1,50 +0,0 @@ -<?xml version="1.0" encoding="utf-8" ?> -<!DOCTYPE part SYSTEM "part.dtd"> - -<part xmlns:xi="http://www.w3.org/2001/XInclude"> - <header> - <copyright> - <year>1999</year><year>2013</year> - <holder>Ericsson AB. All Rights Reserved.</holder> - </copyright> - <legalnotice> - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - - </legalnotice> - - <title>SSL Release Notes</title> - <prepared>Peter Högfeldt</prepared> - <docno></docno> - <date>2003-05-26</date> - <rev>A</rev> - <file>release_notes.sgml</file> - </header> - <description> - <p>The SSL application provides secure communication over sockets. - </p> - <p>This product includes software developed by the OpenSSL Project for - use in the OpenSSL Toolkit (http://www.openssl.org/). - </p> - <p>This product includes cryptographic software written by Eric Young - ([email protected]). - </p> - <p>This product includes software written by Tim Hudson - ([email protected]). - </p> - <p>For full OpenSSL and SSLeay license texts, see <seealso marker="licenses#licenses">Licenses</seealso>. - </p> - </description> - <xi:include href="notes.xml"/> -</part> - - diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml index e831f73530..8fcda78ed5 100644 --- a/lib/ssl/doc/src/ssl.xml +++ b/lib/ssl/doc/src/ssl.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1999</year><year>2015</year> + <year>1999</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -48,7 +48,7 @@ <item><p><c>true | false</c></p></item> <tag><c>option() =</c></tag> - <item><p><c>socketoption() | ssloption() | transportoption()</c></p> + <item><p><c>socketoption() | ssl_option() | transport_option()</c></p> </item> <tag><c>socketoption() =</c></tag> @@ -60,7 +60,7 @@ <seealso marker="kernel:gen_tcp">gen_tcp(3)</seealso> manual pages in Kernel.</p></item> - <tag><marker id="type-ssloption"/><c>ssloption() =</c></tag> + <tag><marker id="type-ssloption"/><c>ssl_option() =</c></tag> <item> <p><c>{verify, verify_type()}</c></p> <p><c>| {verify_fun, {fun(), term()}}</c></p> @@ -69,7 +69,9 @@ <p><c>| {cert, public_key:der_encoded()}</c></p> <p><c>| {certfile, path()}</c></p> <p><c>| {key, {'RSAPrivateKey'| 'DSAPrivateKey' | 'ECPrivateKey' - | 'PrivateKeyInfo', public_key:der_encoded()}}</c></p> + | 'PrivateKeyInfo', public_key:der_encoded()} | + #{algorithm := rsa | dss | ecdsa, + engine := crypto:engine_ref(), key_id := crypto:key_id(), password => crypto:password()}</c></p> <p><c>| {keyfile, path()}</c></p> <p><c>| {password, string()}</c></p> <p><c>| {cacerts, [public_key:der_encoded()]}</c></p> @@ -85,11 +87,11 @@ [binary()]} | {client | server, [binary()], binary()}}</c></p> <p><c>| {log_alert, boolean()}</c></p> <p><c>| {server_name_indication, hostname() | disable}</c></p> - <p><c>| {sni_hosts, [{hostname(), ssloptions()}]}</c></p> + <p><c>| {sni_hosts, [{hostname(), [ssl_option()]}]}</c></p> <p><c>| {sni_fun, SNIfun::fun()}</c></p> </item> - <tag><c>transportoption() =</c></tag> + <tag><c>transport_option() =</c></tag> <item><p><c>{cb_info, {CallbackModule::atom(), DataTag::atom(), ClosedTag::atom(), ErrTag:atom()}}</c></p> @@ -127,7 +129,7 @@ <item><p><c>hostname() | ipaddress()</c></p></item> <tag><c>hostname() =</c></tag> - <item><p><c>string()</c></p></item> + <item><p><c>string() - DNS hostname</c></p></item> <tag><c>ip_address() =</c></tag> <item><p><c>{N1,N2,N3,N4} % IPv4 | {K1,K2,K3,K4,K5,K6,K7,K8} % IPv6 @@ -155,7 +157,7 @@ <tag><c>cipher() =</c></tag> <item><p><c>rc4_128 | des_cbc | '3des_ede_cbc' - | aes_128_cbc | aes_256_cbc | aes_128_gcm | aes_256_gcm</c></p></item> + | aes_128_cbc | aes_256_cbc | aes_128_gcm | aes_256_gcm | chacha20_poly1305</c></p></item> <tag><c>hash() =</c></tag> <item><p><c>md5 | sha | sha224 | sha256 | sha348 | sha512</c></p></item> @@ -168,7 +170,15 @@ | srp_4096 | srp_6144 | srp_8192</c></p></item> <tag><c>SNIfun::fun()</c></tag> - <item><p><c>= fun(ServerName :: string()) -> ssloptions()</c></p></item> + <item><p><c>= fun(ServerName :: string()) -> [ssl_option()]</c></p></item> + + <tag><c>named_curve() =</c></tag> + <item><p><c>sect571r1 | sect571k1 | secp521r1 | brainpoolP512r1 + | sect409k1 | sect409r1 | brainpoolP384r1 | secp384r1 + | sect283k1 | sect283r1 | brainpoolP256r1 | secp256k1 | secp256r1 + | sect239k1 | sect233k1 | sect233r1 | secp224k1 | secp224r1 + | sect193r1 | sect193r2 | secp192k1 | secp192r1 | sect163k1 + | sect163r1 | sect163r2 | secp160k1 | secp160r1 | secp160r2</c></p></item> </taglist> </section> @@ -181,6 +191,11 @@ <taglist> + <tag><c>{protocol, tls | dtls}</c></tag> + <item><p>Choose TLS or DTLS protocol for the transport layer security. + Defaults to <c>tls</c> Introduced in OTP 20, DTLS support is considered + experimental in this release. DTLS over other transports than UDP are not yet supported.</p></item> + <tag><c>{cert, public_key:der_encoded()}</c></tag> <item><p>The DER-encoded users certificate. If this option is supplied, it overrides option <c>certfile</c>.</p></item> @@ -188,9 +203,15 @@ <tag><c>{certfile, path()}</c></tag> <item><p>Path to a file containing the user certificate.</p></item> - <tag><c>{key, {'RSAPrivateKey'| 'DSAPrivateKey' | 'ECPrivateKey' - |'PrivateKeyInfo', public_key:der_encoded()}}</c></tag> - <item><p>The DER-encoded user's private key. If this option + <tag> + <marker id="key_option_def"/> + <c>{key, {'RSAPrivateKey'| 'DSAPrivateKey' | 'ECPrivateKey' + |'PrivateKeyInfo', public_key:der_encoded()} | #{algorithm := rsa | dss | ecdsa, + engine := crypto:engine_ref(), key_id := crypto:key_id(), password => crypto:password()}</c></tag> + <item><p>The DER-encoded user's private key or a map refering to a crypto + engine and its key reference that optionally can be password protected, + seealso <seealso marker="crypto:crypto#engine_load-4"> crypto:engine_load/4 + </seealso> and <seealso marker="crypto:engine_load"> Crypto's Users Guide</seealso>. If this option is supplied, it overrides option <c>keyfile</c>.</p></item> <tag><c>{keyfile, path()}</c></tag> @@ -217,6 +238,11 @@ Anonymous cipher suites are supported for testing purposes only and are not be used when security matters.</p></item> + <tag><c>{eccs, [named_curve()]}</c></tag> + <item><p> Allows to specify the order of preference for named curves + and to restrict their usage when using a cipher suite supporting them. + </p></item> + <tag><c>{secure_renegotiate, boolean()}</c></tag> <item><p>Specifies if to reject renegotiation attempt that does not live up to @@ -236,7 +262,7 @@ be PEER, CA, ROOT-CA; if 2 the path can be PEER, CA, CA, ROOT-CA, and so on. The default value is 1.</p></item> - <tag><c>{verify_fun, {Verifyfun :: fun(), InitialUserState :: + <tag><marker id="verify_fun"/><c>{verify_fun, {Verifyfun :: fun(), InitialUserState :: term()}}</c></tag> <item><p>The verification fun is to be defined as follows:</p> @@ -331,39 +357,96 @@ marker="public_key:public_key#pkix_path_validation-3">public_key:pkix_path_valid <tag><c>{crl_check, boolean() | peer | best_effort }</c></tag> <item> - Perform CRL (Certificate Revocation List) verification + <p>Perform CRL (Certificate Revocation List) verification <seealso marker="public_key:public_key#pkix_crls_validate-3"> (public_key:pkix_crls_validate/3)</seealso> on all the certificates during the path validation <seealso marker="public_key:public_key#pkix_path_validation-3">(public_key:pkix_path_validation/3) </seealso> - of the certificate chain. Defaults to false. + of the certificate chain. Defaults to <c>false</c>.</p> - <p><c>peer</c> - check is only performed on - the peer certificate.</p> + <taglist> + <tag><c>peer</c></tag> + <item>check is only performed on the peer certificate.</item> - <p><c>best_effort</c> - if certificate revocation status can not be determined - it will be accepted as valid.</p> + <tag><c>best_effort</c></tag> + <item>if certificate revocation status can not be determined + it will be accepted as valid.</item> + </taglist> <p>The CA certificates specified for the connection will be used to construct the certificate chain validating the CRLs.</p> - <p>The CRLs will be fetched from a local or external cache see + <p>The CRLs will be fetched from a local or external cache. See <seealso marker="ssl:ssl_crl_cache_api">ssl_crl_cache_api(3)</seealso>.</p> </item> <tag><c>{crl_cache, {Module :: atom(), {DbHandle :: internal | term(), Args :: list()}}}</c></tag> <item> - <p>Module defaults to ssl_crl_cache with <c> DbHandle </c> internal and an - empty argument list. The following arguments may be specified for the internal cache.</p> + <p>Specify how to perform lookup and caching of certificate revocation lists. + <c>Module</c> defaults to <seealso marker="ssl:ssl_crl_cache">ssl_crl_cache</seealso> + with <c> DbHandle </c> being <c>internal</c> and an + empty argument list.</p> + + <p>There are two implementations available:</p> + <taglist> - <tag><c>{http, timeout()}</c></tag> - <item><p> - Enables fetching of CRLs specified as http URIs in<seealso - marker="public_key:public_key_records"> X509 certificate extensions.</seealso> - Requires the OTP inets application.</p> - </item> - </taglist> + <tag><c>ssl_crl_cache</c></tag> + <item> + <p>This module maintains a cache of CRLs. CRLs can be + added to the cache using the function <seealso + marker="ssl:ssl_crl_cache#insert-1">ssl_crl_cache:insert/1</seealso>, + and optionally automatically fetched through HTTP if the + following argument is specified:</p> + + <taglist> + <tag><c>{http, timeout()}</c></tag> + <item><p> + Enables fetching of CRLs specified as http URIs in<seealso + marker="public_key:public_key_records">X509 certificate extensions</seealso>. + Requires the OTP inets application.</p> + </item> + </taglist> + </item> + + <tag><c>ssl_crl_hash_dir</c></tag> + <item> + <p>This module makes use of a directory where CRLs are + stored in files named by the hash of the issuer name.</p> + + <p>The file names consist of eight hexadecimal digits + followed by <c>.rN</c>, where <c>N</c> is an integer, + e.g. <c>1a2b3c4d.r0</c>. For the first version of the + CRL, <c>N</c> starts at zero, and for each new version, + <c>N</c> is incremented by one. The OpenSSL utility + <c>c_rehash</c> creates symlinks according to this + pattern.</p> + + <p>For a given hash value, this module finds all + consecutive <c>.r*</c> files starting from zero, and those + files taken together make up the revocation list. CRL + files whose <c>nextUpdate</c> fields are in the past, or + that are issued by a different CA that happens to have the + same name hash, are excluded.</p> + + <p>The following argument is required:</p> + + <taglist> + <tag><c>{dir, string()}</c></tag> + <item><p>Specifies the directory in which the CRLs can be found.</p></item> + </taglist> + + </item> + + <tag><c>max_handshake_size</c></tag> + <item> + <p>Integer (24 bits unsigned). Used to limit the size of + valid TLS handshake packets to avoid DoS attacks. + Defaults to 256*1024.</p> + </item> + + </taglist> + </item> <tag><c>{partial_chain, fun(Chain::[DerCert]) -> {trusted_ca, DerCert} | @@ -415,12 +498,29 @@ fun(srp, Username :: string(), UserState :: term()) -> <tag><c>{padding_check, boolean()}</c></tag> <item><p>Affects TLS-1.0 connections only. If set to <c>false</c>, it disables the block cipher padding check - to be able to interoperate with legacy software.</p></item> + to be able to interoperate with legacy software.</p> + <warning><p>Using <c>{padding_check, boolean()}</c> makes TLS + vulnerable to the Poodle attack.</p></warning> + </item> - </taglist> + + + <tag><c>{beast_mitigation, one_n_minus_one | zero_n | disabled}</c></tag> + <item><p>Affects SSL-3.0 and TLS-1.0 connections only. Used to change the BEAST + mitigation strategy to interoperate with legacy software. + Defaults to <c>one_n_minus_one</c>.</p> + + <p><c>one_n_minus_one</c> - Perform 1/n-1 BEAST mitigation.</p> + + <p><c>zero_n</c> - Perform 0/n BEAST mitigation.</p> + + <p><c>disabled</c> - Disable BEAST mitigation.</p> + + <warning><p>Using <c>{beast_mitigation, disabled}</c> makes SSL or TLS + vulnerable to the BEAST attack.</p></warning> + </item> + </taglist> - <warning><p>Using <c>{padding_check, boolean()}</c> makes TLS - vulnerable to the Poodle attack.</p></warning> </section> <section> @@ -495,16 +595,21 @@ fun(srp, Username :: string(), UserState :: term()) -> <item><p>Specifies the username and password to use to authenticate to the server.</p></item> - <tag><c>{server_name_indication, hostname()}</c></tag> - <item><p>Can be specified when upgrading a TCP socket to a TLS - socket to use the TLS Server Name Indication extension.</p></item> - - <tag><c>{server_name_indication, disable}</c></tag> - <item> - <p>When starting a TLS connection without upgrade, the Server Name - Indication extension is sent if possible. This option can be - used to disable that behavior.</p> + <tag><c>{server_name_indication, HostName :: hostname()}</c></tag> + <item><p>Specify the hostname to be used in TLS Server Name Indication extension. + If not specified it will default to the <c>Host</c> argument of <seealso marker="#connect-3">connect/[3,4]</seealso> + unless it is of type inet:ipaddress().</p> + <p> + The <c>HostName</c> will also be used in the hostname verification of the peer certificate using + <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso>. + </p> </item> + <tag><c>{server_name_indication, disable}</c></tag> + <item> + <p> Prevents the Server Name Indication extension from being sent and + disables the hostname verification check + <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso> </p> + </item> <tag><c>{fallback, boolean()}</c></tag> <item> <p> Send special cipher suite TLS_FALLBACK_SCSV to avoid undesired TLS version downgrade. @@ -532,7 +637,7 @@ fun(srp, Username :: string(), UserState :: term()) -> TLS handshake. If no lower TLS versions than 1.2 are supported, the client will send a TLS signature algorithm extension with the algorithms specified by this option. - Defaults to + Defaults to</p> <code>[ %% SHA2 @@ -548,13 +653,11 @@ fun(srp, Username :: string(), UserState :: term()) -> {sha, ecdsa}, {sha, rsa}, {sha, dsa}, -%% MD5 -{md5, rsa} ]</code> - +<p> The algorithms should be in the preferred order. Selected signature algorithm can restrict which hash functions - that may be selected. + that may be selected. Default support for {md5, rsa} removed in ssl-8.0 </p> </item> </taglist> @@ -652,7 +755,7 @@ fun(srp, Username :: string(), UserState :: term()) -> selection. If set to <c>false</c> (the default), use the client preference.</p></item> - <tag><c>{sni_hosts, [{hostname(), ssloptions()}]}</c></tag> + <tag><c>{sni_hosts, [{hostname(), [ssl_option()]}]}</c></tag> <item><p>If the server receives a SNI (Server Name Indication) from the client matching a host listed in the <c>sni_hosts</c> option, the specific options for that host will override previously specified options. @@ -661,11 +764,11 @@ fun(srp, Username :: string(), UserState :: term()) -> <tag><c>{sni_fun, SNIfun::fun()}</c></tag> <item><p>If the server receives a SNI (Server Name Indication) from the client, - the given function will be called to retrieve <c>ssloptions()</c> for the indicated server. - These options will be merged into predefined <c>ssloptions()</c>. + the given function will be called to retrieve <c>[ssl_option()]</c> for the indicated server. + These options will be merged into predefined <c>[ssl_option()]</c>. The function should be defined as: - <c>fun(ServerName :: string()) -> ssloptions()</c> + <c>fun(ServerName :: string()) -> [ssl_option()]</c> and can be specified as a fun or as named <c>fun module:function/1</c> The option <c>sni_fun</c>, and <c>sni_hosts</c> are mutually exclusive.</p></item> @@ -687,6 +790,11 @@ fun(srp, Username :: string(), UserState :: term()) -> (the default), use the client's preference. </item> + <tag><c>{honor_ecc_order, boolean()}</c></tag> + <item>If true, use the server's preference for ECC curve selection. If false + (the default), use the client's preference. + </item> + <tag><c>{signature_algs, [{hash(), ecdsa | rsa | dsa}]}</c></tag> <item><p> The algorithms specified by this option will be the ones accepted by the server in a signature algorithm @@ -694,6 +802,12 @@ fun(srp, Username :: string(), UserState :: term()) -> client certificate is requested. For more details see the <seealso marker="#client_signature_algs">corresponding client option</seealso>. </p> </item> + <tag><c>{v2_hello_compatible, boolean()}</c></tag> + <item>If true, the server accepts clients that send hello messages on SSL-2.0 format but offers + supported SSL/TLS versions. Defaults to false, that is the server will not interoperate with clients that + offers SSL-2.0. + </item> + </taglist> </section> @@ -734,6 +848,17 @@ fun(srp, Username :: string(), UserState :: term()) -> </func> <func> + <name>eccs() -></name> + <name>eccs(protocol()) -> [named_curve()]</name> + <fsummary>Returns a list of supported ECCs.</fsummary> + + <desc><p>Returns a list of supported ECCs. <c>eccs()</c> + is equivalent to calling <c>eccs(Protocol)</c> with all + supported protocols and then deduplicating the output.</p> + </desc> + </func> + + <func> <name>clear_pem_cache() -> ok </name> <fsummary> Clears the pem cache</fsummary> @@ -753,7 +878,7 @@ fun(srp, Username :: string(), UserState :: term()) -> equivalent, connected socket to an SSL socket.</fsummary> <type> <v>Socket = socket()</v> - <v>SslOptions = [ssloption()]</v> + <v>SslOptions = [ssl_option()]</v> <v>Timeout = integer() | infinity</v> <v>SslSocket = sslsocket()</v> <v>Reason = term()</v> @@ -761,6 +886,12 @@ fun(srp, Username :: string(), UserState :: term()) -> <desc><p>Upgrades a <c>gen_tcp</c>, or equivalent, connected socket to an SSL socket, that is, performs the client-side ssl handshake.</p> + + <note><p>If the option <c>verify</c> is set to <c>verify_peer</c> + the option <c>server_name_indication</c> shall also be specified, + if it is not no Server Name Indication extension will be sent, + and <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso> + will be called with the IP-address of the connection as <c>ReferenceID</c>, which is proably not what you want.</p></note> </desc> </func> @@ -777,7 +908,24 @@ fun(srp, Username :: string(), UserState :: term()) -> <v>SslSocket = sslsocket()</v> <v>Reason = term()</v> </type> - <desc><p>Opens an SSL connection to <c>Host</c>, <c>Port</c>.</p></desc> + <desc><p>Opens an SSL connection to <c>Host</c>, <c>Port</c>.</p> + + <p> When the option <c>verify</c> is set to <c>verify_peer</c> the check + <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso> + will be performed in addition to the usual x509-path validation checks. If the check fails the error {bad_cert, hostname_check_failed} will + be propagated to the path validation fun <seealso marker="#verify_fun">verify_fun</seealso>, where it is possible to do customized + checks by using the full possibilitis of the <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso> API. + + When the option <c>server_name_indication</c> is provided, its value (the DNS name) will be used as <c>ReferenceID</c> + to <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso>. + When no <c>server_name_indication</c> option is given, the <c>Host</c> argument will be used as + Server Name Indication extension. The <c>Host</c> argument will also be used for the + <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso> check and if the <c>Host</c> + argument is an <c>inet:ip_address()</c> the <c>ReferenceID</c> used for the check will be <c>{ip, Host}</c> otherwise + <c>dns_id</c> will be assumed with a fallback to <c>ip</c> if that fails. </p> + <note><p>According to good practices certificates should not use IP-addresses as "server names". It would + be very surprising if this happen outside a closed network. </p></note> + </desc> </func> <func> @@ -828,13 +976,14 @@ fun(srp, Username :: string(), UserState :: term()) -> <fsummary>Returns all the connection information. </fsummary> <type> - <v>Item = protocol | cipher_suite | sni_hostname | atom()</v> + <v>Item = protocol | cipher_suite | sni_hostname | ecc | session_id | atom()</v> <d>Meaningful atoms, not specified above, are the ssl option names.</d> <v>Result = [{Item::atom(), Value::term()}]</v> <v>Reason = term()</v> </type> - <desc><p>Returns all relevant information about the connection, ssl options that - are undefined will be filtered out.</p> + <desc><p>Returns the most relevant information about the connection, ssl options that + are undefined will be filtered out. Note that values that affect the security of the + connection will only be returned if explicitly requested by connection_information/2.</p> </desc> </func> @@ -845,8 +994,10 @@ fun(srp, Username :: string(), UserState :: term()) -> </fsummary> <type> <v>Items = [Item]</v> - <v>Item = protocol | cipher_suite | sni_hostname | atom()</v> - <d>Meaningful atoms, not specified above, are the ssl option names.</d> + <v>Item = protocol | cipher_suite | sni_hostname | ecc | session_id | client_random + | server_random | master_secret | atom()</v> + <d>Note that client_random, server_random and master_secret are values + that affect the security of connection. Meaningful atoms, not specified above, are the ssl option names.</d> <v>Result = [{Item::atom(), Value::term()}]</v> <v>Reason = term()</v> </type> @@ -883,6 +1034,23 @@ fun(srp, Username :: string(), UserState :: term()) -> </func> <func> + <name>getstat(Socket) -> + {ok, OptionValues} | {error, inet:posix()}</name> + <name>getstat(Socket, OptionNames) -> + {ok, OptionValues} | {error, inet:posix()}</name> + <fsummary>Get one or more statistic options for a socket</fsummary> + <type> + <v>Socket = sslsocket()</v> + <v>OptionNames = [atom()]</v> + <v>OptionValues = [{inet:stat_option(), integer()}]</v> + </type> + <desc> + <p>Gets one or more statistic options for the underlying TCP socket.</p> + <p>See inet:getstat/2 for statistic options description.</p> + </desc> + </func> + + <func> <name>listen(Port, Options) -> {ok, ListenSocket} | {error, Reason}</name> <fsummary>Creates an SSL listen socket.</fsummary> @@ -1066,7 +1234,7 @@ fun(srp, Username :: string(), UserState :: term()) -> <fsummary>Performs server-side SSL/TLS handshake.</fsummary> <type> <v>Socket = socket() | sslsocket() </v> - <v>SslOptions = ssloptions()</v> + <v>SslOptions = [ssl_option()]</v> <v>Timeout = integer()</v> <v>Reason = term()</v> </type> diff --git a/lib/ssl/doc/src/ssl_app.xml b/lib/ssl/doc/src/ssl_app.xml index 6c82e32a74..f317dfded4 100644 --- a/lib/ssl/doc/src/ssl_app.xml +++ b/lib/ssl/doc/src/ssl_app.xml @@ -4,7 +4,7 @@ <appref> <header> <copyright> - <year>1999</year><year>2015</year> + <year>1999</year><year>2016</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -43,6 +43,10 @@ <item>For security reasons SSL-2.0 is not supported.</item> <item>For security reasons SSL-3.0 is no longer supported by default, but can be configured.</item> + <item>For security reasons DES cipher suites are no longer supported by default, + but can be configured.</item> + <item> Renegotiation Indication Extension <url href="http://www.ietf.org/rfc/rfc5746.txt">RFC 5746</url> is supported + </item> <item>Ephemeral Diffie-Hellman cipher suites are supported, but not Diffie Hellman Certificates cipher suites.</item> <item>Elliptic Curve cipher suites are supported if the Crypto @@ -53,10 +57,16 @@ <item>IDEA cipher suites are not supported as they have become deprecated by the latest TLS specification so it is not motivated to implement them.</item> + <item>Compression is not supported.</item> <item>CRL validation is supported.</item> <item>Policy certificate extensions are not supported.</item> - <item>'Server Name Indication' extension client side - (RFC 6066, Section 3) is supported.</item> + <item>'Server Name Indication' extension + (<url href="http://www.ietf.org/rfc/rfc6066.txt">RFC 6066</url>) is supported.</item> + <item>Application Layer Protocol Negotiation (ALPN) and its successor Next Protocol Negotiation (NPN) + are supported. </item> + <item>It is possible to use Pre-Shared Key (PSK) and Secure Remote Password (SRP) + cipher suites, but they are not enabled by default. + </item> </list> </description> @@ -92,7 +102,10 @@ to <c>ssl:connect/[2,3]</c> and <c>ssl:listen/2</c>.</p></item> <tag><c><![CDATA[session_lifetime = integer() <optional>]]></c></tag> - <item><p>Maximum lifetime of the session data in seconds.</p></item> + <item><p>Maximum lifetime of the session data in seconds. Defaults to 24 hours which is the maximum + recommended lifetime by <url href="http://www.ietf.org/rfc/5246rfc.txt">RFC 5246</url>. However + sessions may be invalidated earlier due to the maximum limitation of the session cache table. + </p></item> <tag><c><![CDATA[session_cb = atom() <optional>]]></c></tag> <item><p>Name of the session cache callback module that implements @@ -104,22 +117,40 @@ <item><p>List of extra user-defined arguments to the <c>init</c> function in the session cache callback module. Defaults to <c>[]</c>.</p></item> - <tag><c><![CDATA[session_cache_client_max = integer() <optional>]]></c><br/> - <c><![CDATA[session_cache_server_max = integer() <optional>]]></c></tag> - <item><p>Limits the growth of the clients/servers session cache, - if the maximum number of sessions is reached, the current cache entries will - be invalidated regardless of their remaining lifetime. Defaults to 1000. - </p></item> + <tag><c><![CDATA[session_cache_client_max = integer() <optional>]]></c><br/></tag> + <item><p>Limits the growth of the clients session cache, that is + how many sessions towards servers that are cached to be used by + new client connections. If the maximum number of sessions is + reached, the current cache entries will be invalidated + regardless of their remaining lifetime. Defaults to + 1000.</p></item> + + <tag> <c><![CDATA[session_cache_server_max = integer() <optional>]]></c></tag> + <item><p>Limits the growth of the servers session cache, that is + how many client sessions are cached by the server. If the + maximum number of sessions is reached, the current cache entries + will be invalidated regardless of their remaining + lifetime. Defaults to 1000.</p></item> <tag><c><![CDATA[ssl_pem_cache_clean = integer() <optional>]]></c></tag> <item> <p> - Number of milliseconds between PEM cache validations. + Number of milliseconds between PEM cache validations. Defaults to 2 minutes. </p> <seealso marker="ssl#clear_pem_cache-0">ssl:clear_pem_cache/0</seealso> </item> + + <tag><c><![CDATA[bypass_pem_cache = boolean() <optional>]]></c></tag> + <item> + <p>Introduced in ssl-8.0.2. Disables the PEM-cache. + The PEM cache has proven to be a bottleneck, until the + implementation has been improved this can be used as + a workaround. Defaults to false. + </p> + </item> + <tag><c><![CDATA[alert_timeout = integer() <optional>]]></c></tag> <item> <p> @@ -129,8 +160,6 @@ shutdown gracefully. Defaults to 5000 milliseconds. </p> </item> - - </taglist> </section> diff --git a/lib/ssl/doc/src/ssl_crl_cache_api.xml b/lib/ssl/doc/src/ssl_crl_cache_api.xml index 03ac010bfe..c6774b4df6 100644 --- a/lib/ssl/doc/src/ssl_crl_cache_api.xml +++ b/lib/ssl/doc/src/ssl_crl_cache_api.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>2015</year><year>2015</year> + <year>2015</year><year>2016</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -76,10 +76,13 @@ </func> <func> + <name>lookup(DistributionPoint, Issuer, DbHandle) -> not_available | CRLs </name> <name>lookup(DistributionPoint, DbHandle) -> not_available | CRLs </name> <fsummary> </fsummary> <type> <v> DistributionPoint = dist_point() </v> + <v> Issuer = <seealso + marker="public_key:public_key">public_key:issuer_name()</seealso> </v> <v> DbHandle = cache_ref() </v> <v> CRLs = [<seealso marker="public_key:public_key">public_key:der_encoded()</seealso>] </v> @@ -87,6 +90,18 @@ <desc> <p>Lookup the CRLs belonging to the distribution point <c> Distributionpoint</c>. This function may choose to only look in the cache or to follow distribution point links depending on how the cache is administrated. </p> + + <p>The <c>Issuer</c> argument contains the issuer name of the + certificate to be checked. Normally the returned CRL should + be issued by this issuer, except if the <c>cRLIssuer</c> field + of <c>DistributionPoint</c> has a value, in which case that + value should be used instead.</p> + + <p>In an earlier version of this API, the <c>lookup</c> + function received two arguments, omitting <c>Issuer</c>. For + compatibility, this is still supported: if there is no + <c>lookup/3</c> function in the callback module, + <c>lookup/2</c> is called instead.</p> </desc> </func> diff --git a/lib/ssl/doc/src/ssl_distribution.xml b/lib/ssl/doc/src/ssl_distribution.xml index dc04d446b0..61f88e3860 100644 --- a/lib/ssl/doc/src/ssl_distribution.xml +++ b/lib/ssl/doc/src/ssl_distribution.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2000</year><year>2013</year> + <year>2000</year><year>2016</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -43,7 +43,7 @@ Erlang node distributed, <c>net_kernel</c> uses this module to set up listen ports and connections.</p> - <p>In the SSL application, an exra distribution + <p>In the SSL application, an extra distribution module, <c>inet_tls_dist</c>, can be used as an alternative. All distribution connections will use SSL and all participating Erlang nodes in a distributed system must use @@ -71,8 +71,8 @@ <section> <title>Building Boot Scripts Including the ssl Application</title> <p>Boot scripts are built using the <c>systools</c> utility in the - <c>sasl</c> application. For more information on <c>systools</c>, - see the <c>sasl</c> documentation. This is only an example of + SASL application. For more information on <c>systools</c>, + see the SASL documentation. This is only an example of what can be done.</p> <p>The simplest boot script possible includes only the Kernel @@ -98,6 +98,7 @@ {stdlib,"1.18"}, {crypto, "2.0.3"}, {public_key, "0.12"}, + {asn1, "4.0"}, {ssl, "5.0"} ]}. </code> @@ -196,6 +197,9 @@ Eshell V5.0 (abort with ^G) <item><c>password</c></item> <item><c>cacertfile</c></item> <item><c>verify</c></item> + <item><c>verify_fun</c> (write as <c>{Module, Function, InitialUserState}</c>)</item> + <item><c>crl_check</c></item> + <item><c>crl_cache</c> (write as Erlang term)</item> <item><c>reuse_sessions</c></item> <item><c>secure_renegotiate</c></item> <item><c>depth</c></item> @@ -203,6 +207,10 @@ Eshell V5.0 (abort with ^G) <item><c>ciphers</c> (use old string format)</item> </list> + <p>Note that <c>verify_fun</c> needs to be written in a different + form than the corresponding SSL option, since funs are not + accepted on the command line.</p> + <p>The server can also take the options <c>dhfile</c> and <c>fail_if_no_peer_cert</c> (also prefixed).</p> @@ -210,10 +218,6 @@ Eshell V5.0 (abort with ^G) initiates a connection to another node. <c>server_</c>-prefixed options are used when accepting a connection from a remote node.</p> - <p>More complex options, such as <c>verify_fun</c>, are currently not - available, but a mechanism to handle such options may be added in - a future release.</p> - <p>Raw socket options, such as <c>packet</c> and <c>size</c> must not be specified on the command line.</p> diff --git a/lib/ssl/doc/src/ssl_session_cache_api.xml b/lib/ssl/doc/src/ssl_session_cache_api.xml index b85d8fb284..a84a3dfce9 100644 --- a/lib/ssl/doc/src/ssl_session_cache_api.xml +++ b/lib/ssl/doc/src/ssl_session_cache_api.xml @@ -4,14 +4,14 @@ <erlref> <header> <copyright> - <year>1999</year><year>2015</year> + <year>1999</year><year>2017</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at - + http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software @@ -62,8 +62,8 @@ </taglist> </section> - - <funcs> + + <funcs> <func> <name>delete(Cache, Key) -> _</name> @@ -134,7 +134,7 @@ </p> </desc> </func> - + <func> <name>select_session(Cache, PartialKey) -> [session()]</name> <fsummary>Selects sessions that can be reused.</fsummary> @@ -151,6 +151,21 @@ </func> <func> + <name>size(Cache) -> integer()</name> + <fsummary>Returns the number of sessions in the cache.</fsummary> + <type> + <v>Cache = cache_ref()</v> + </type> + <desc> + <p>Returns the number of sessions in the cache. If size + exceeds the maximum number of sessions, the current cache + entries will be invalidated regardless of their remaining + lifetime. Is to be callable from any process. + </p> + </desc> + </func> + + <func> <name>terminate(Cache) -> _</name> <fsummary>Called by the process that handles the cache when it is about to terminate.</fsummary> @@ -178,7 +193,7 @@ </p> </desc> </func> - - </funcs> - + + </funcs> + </erlref> diff --git a/lib/ssl/doc/src/usersguide.xml b/lib/ssl/doc/src/usersguide.xml index 7bd0ae5c4c..23ccf668c3 100644 --- a/lib/ssl/doc/src/usersguide.xml +++ b/lib/ssl/doc/src/usersguide.xml @@ -4,7 +4,7 @@ <part xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2000</year><year>2013</year> + <year>2000</year><year>2016</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssl/doc/src/using_ssl.xml b/lib/ssl/doc/src/using_ssl.xml index b6a4bb5bec..f84cd6e391 100644 --- a/lib/ssl/doc/src/using_ssl.xml +++ b/lib/ssl/doc/src/using_ssl.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2003</year><year>2013</year> + <year>2003</year><year>2016</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/ssl/doc/src/warning.gif b/lib/ssl/doc/src/warning.gif Binary files differdeleted file mode 100644 index 96af52360e..0000000000 --- a/lib/ssl/doc/src/warning.gif +++ /dev/null |
