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* Fix typo: ECHD -> ECDH.tb2019-12-031-4/+4
| | | | From Michael Forney, thanks!
* Add support for TLS 1.3 post handshake messages and key updating.beck2019-11-263-20/+217
| | | | | | tested against openssl 1.1's server. ok jsing@ tb@
* Add accessors to change the buffer in a handshake message.beck2019-11-203-3/+20
| | | | | | Needed for doing TLS 1.3 Post Handshake Handshake messages. ok jsing@
* Add prototypes for the functions that update application secretsbeck2019-11-181-1/+3
| | | | so that the regress tests will work for them
* Provide a clean interface for sending TLSv1.3 alerts.jsing2019-11-182-5/+17
| | | | ok beck@
* Change tls13_record_layer_phh() to take a CBS as this avoids ownershipjsing2019-11-172-8/+6
| | | | | | issues and makes call sites cleaner. ok beck@
* Correct update of application traffic secrets to use an empty contextbeck2019-11-171-3/+7
| | | | | | rather than the hash of an empty context ok jsing@
* Bring back the ssl_shutdown internal method pointer.jsing2019-11-173-4/+21
| | | | | | | For now ssl3_shutdown() is called in all cases, however TLSv1.3 will soon get its own version. ok beck@
* Add a reference for the non-standard post-handshake handshake (PHH).tb2019-11-171-2/+2
| | | | ok beck, jsing
* Ensure that we are never operating in plaintext mode once the handshakejsing2019-11-171-1/+7
| | | | | | is complete, which should never occur. ok beck@
* Provide framework for sending alerts and post-handshake handshake messages.jsing2019-11-172-15/+174
| | | | | | Discussed at length with beck@ ok beck@ tb@
* indent with a tab instead of 8 spacestb2019-11-171-2/+2
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* Move the TLSv1.3 server message handling stubs.jsing2019-11-172-125/+125
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* Add the initial framework for the TLSv1.3 server.jsing2019-11-173-3/+84
| | | | ok beck@
* tls13_connect() should be static.jsing2019-11-171-2/+2
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* Fix backoff to legacy when in client auth mode.beck2019-11-171-2/+2
| | | | ok jsing@
* Drop back to the legacy tls method if we are doing client authenticaitonbeck2019-11-171-1/+7
| | | | | | from a tls 1.3 connection, for now. ok jsing@
* Separate the callbacks for recieved and completed post handshake messagesbeck2019-11-173-10/+22
| | | | | | from the record layer ok jsing@
* Revert previous deduplication diff, I broke portable in a strange way.beck2019-11-161-47/+58
| | | | | I'll figure it out a bit later. Found and diagnosed by inoguchi@
* Deduplicate some extension processing code.beck2019-11-151-58/+47
| | | | ok tb@ inoguchi@
* Add missing cross-reference to NOTES section.millert2019-11-141-3/+3
| | | | OK kn@ tb@
* Allow ip addresses as argument to SSL_set1_host() but be careful to nototto2019-11-041-2/+14
| | | | poison the context. ok and help jsing@ tb@
* Bump libcrypto, libssl and libtls minors due to symbol additions.jsing2019-11-021-1/+1
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* Bump libcrypto, libssl and libtls majors due to changes in struct sizesjsing2019-10-241-2/+2
| | | | and symbol addition.
* Use a valid curve when constructing an EC_KEY that looks like X25519.jsing2019-10-041-2/+3
| | | | | | | | | The recent EC group cofactor change results in stricter validation, which causes the EC_GROUP_set_generator() call to fail. Issue reported and fix tested by rsadowski@ ok tb@
* Further improve the documentation of library initialization and configuration.schwarze2019-06-143-37/+37
| | | | | | | | | Among other improvements: * Use a uniform wording at the top of the DECSRIPTION for obsolete pages. * Better explain how to use a non-standard configuration file. * Remove obsolete functions from SEE ALSO. Triggered by some suggestions from tb@. Tweaks and OK tb@.
* add missing backlinks to ssl(3)schwarze2019-06-1231-64/+100
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* List all 17 SSL pages that were missing.schwarze2019-06-121-51/+89
| | | | | | Split some excessively long lists into useful sub-categories. Add a new, very short subsection "Obsolete functions" at the end. OK tb@ jmc@
* remove pointless NOTES section header linesschwarze2019-06-089-27/+27
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* provide getters and setters for the RSA_METHOD interfacegilles2019-06-051-1/+1
| | | | ok tb@, jsing@, sthen@
* Relax parsing of TLS key share extensions on the server.jsing2019-05-291-5/+2
| | | | | | | | | | | The RFC does not require X25519 and it also allows clients to send an empty key share when the want the server to select a group. The current behaviour results in handshake failures where the client supports TLS 1.3 and sends a TLS key share extension that does not contain X25519. Issue reported by Hubert Kario via github. ok tb@
* Do not send an SNI extension when resuming a session that contains a serverjsing2019-05-291-1/+4
| | | | | | | | name (which means the client sent SNI during the initial handshake). Issue reported by Renaud Allard. ok tb@
* Fix typo and label indent.jsing2019-05-281-3/+3
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* Tidy up some names/structures following the renaming of TLS extensionjsing2019-05-281-35/+35
| | | | | | | | | functions based on message type (clienthello/serverhello), to which side is handling the processing. No intended functional change. ok beck@
* *an* RSA;jmc2019-05-202-6/+6
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* s3 is never NULL since s2 (formerly used for SSLv2) does not exist, so there isbcook2019-05-153-29/+20
| | | | | | | no need to check for it. Fixes COV-165788, identified with help from Alex Bumstead. ok jsing@
* Remove unused pad check, which is handled by tls1_cbc_remove_padding() now.bcook2019-05-131-4/+2
| | | | | | Fixes COV-174858 ok tb@
* In DTLS, use_srtp is part of the extended server hello while in TLSv1.3,tb2019-05-081-2/+3
| | | | | | | | | | it is an encrypted extension. Include it in the server hello for now. This will have to be revisited once TLSv1.3 gets there. Fixes SRTP negotiation. Problem found by two rust-openssl regress failures reported by mikeb. with & ok beck
* Use calloc/freezero when allocating and freeing the session ticket data.jsing2019-04-251-4/+6
| | | | | | The decrypted session ticket contains key material. ok tb@
* Use EVP_CIPHER_CTX_{new,free}() and HMAC_CTX_{new,free}() instead ofjsing2019-04-251-24/+29
| | | | | | | | | allocating on stack. While here also check the return values from EVP_DecryptInit_ex() and HMAC_Init_ex(). ok tb@
* Rename some variables in tls_decrypt_ticket().jsing2019-04-251-18/+18
| | | | | | | | | Rename mlen to hlen since it is a hmac (and this matches hctx and hmac). Rename ctx to cctx since it is a cipher context and ctx is usually used to mean SSL_CTX in this code. ok tb@
* Convert tls_decrypt_ticket() to CBS.jsing2019-04-231-44/+72
| | | | | | This removes various pointer arithmetic and manual length checks. ok tb@
* Provide a derr label (decode/decrypt error) in tls1_decrypt_ticket().jsing2019-04-221-41/+29
| | | | | | This handles the ret = 2 case and makes the code more readable. ok tb@
* Pass the session ID down to the session/ticket handling code as a CBS.jsing2019-04-224-35/+36
| | | | | | | | | Convert ssl_get_prev_session(), tls1_process_ticket() and tls1_decrypt_ticket() to handle the session ID from the client hello as a CBS. While here also swap the order of arguments for tls1_decrypt_ticket() so that it is consistent with the other functions. ok tb@
* Inline and remove the tlsext_tick_md macro.jsing2019-04-223-6/+5
| | | | | | | There is not much point having a tlsext_tick_md macro that replaces EVP_sha256() in two places, when the cipher is just hardcoded. ok tb@
* Clean up tls1_process_ticket().jsing2019-04-211-39/+43
| | | | | | | | We only have to find one extension, so do that first then proceed with processing and decryption. This makes the code more readable and drops two levels of indent. ok tb@
* Cleanup more of tls_decrypt_ticket().jsing2019-04-211-5/+9
| | | | | | | | | | | Separate the malloc() check and EVP_DecryptUpdate() - the malloc() failure is fatal while a EVP_DecryptUpdate() is a decryption failure. Also ensure that we clear the error stack in all cases where we are indicating a failure to decrypt or decode the ticket - otherwise SSL_error() while later return failure when it should not. ok tb@
* Start cleaning up tls_decrypt_ticket().jsing2019-04-211-58/+63
| | | | | | | | | Rather than returning from multiple places and trying to clean up as we go, move to a single exit point and clean/free in one place. Also invert the logic that handles NULL sessions - fail early, rather than having an indented if test for success. ok tb@
* Avoid leak in SSL_dup_CA_list()tb2019-04-131-8/+14
| | | | | | | | In the case that X509_NAME_dup() succeeds, but sk_X509_NAME_push() fails, name is leaked. The entire function is trying to be clever and therefore hard to follow. Let's do it the stupid but safe way. ok jsing
* Recommend SSL_CTX_add1_chain_cert(3) rather thanschwarze2019-04-091-12/+11
| | | | | | | SSL_CTX_add_extra_chain_cert(3). From Dr. Stephen Henson <steve at openssl dot org> via OpenSSL commit a4339ea3 Jan 3 22:38:03 2014 +0000 which is still under a free license.
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