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* Check for and handle failure of HMAC_{Update,Final} or EVP_DecryptUpdate()guenther2016-10-021-5/+11
| | | | | based on openssl commit a5184a6c89ff954261e73d1e8691ab73b9b4b2d4 ok bcook@
* Detect zero-length encrypted session data early, instead of when malloc(0)guenther2016-10-021-2/+2
| | | | | | | fails or the HMAC check fails. Noted independently by jsing@ and Kurt Cancemi (kurt (at) x64architecture.com) ok bcook@
* Improve on code from the previous commit.jsing2016-09-221-7/+5
| | | | ok bcook@
* Avoid unbounded memory growth, which can be triggered by a clientjsing2016-09-221-9/+20
| | | | | | repeatedly renegotiating and sending OCSP Status Request TLS extensions. Fix based on OpenSSL.
* Check for packet with truncated DTLS cookie.guenther2016-09-221-12/+17
| | | | | | | | | | | Flip pointer comparison logic to avoid beyond-end-of-buffer pointers to make it less likely a compiler will decide to screw you. Based on parts of openssl commits 6f35f6deb5ca7daebe289f86477e061ce3ee5f46 and 89c2720298f875ac80777da2da88a64859775898 ok jsing@
* Improve ticket validity checking when tlsext_ticket_key_cb() callbackguenther2016-09-221-4/+25
| | | | | | | | | | | chooses a different HMAC algorithm. Avert memory leaks if the callback preps the HMAC in some way. Based on openssl commit 1bbe48ab149893a78bf99c8eb8895c928900a16f but retaining a pre-callback length check to guarantee the callback is provided the buffer that the API claims. ok bcook@ jsing@
* Avoid selecting weak digests for (EC)DH when using SNI.bcook2016-09-201-3/+12
| | | | | | | | | | | from OpenSSL: SSL_set_SSL_CTX is normally called for SNI after ClientHello has received and the digest to use for each certificate has been decided. The original ssl->cert contains the negotiated digests and is now copied to the new ssl->cert. noted by David Benjamin and Kinichiro Inoguchi
* Update ld search path for libssl/libcrypto, fixes cross-build after source ↵bcook2016-09-191-3/+3
| | | | | | moved. from Patrick Wildt
* Generate pkg-config files at build time like everything else. Thisnatano2016-09-141-2/+3
| | | | | | | avoids permission problems due to the build and install stages being run by different users. ok deraadt jasper
* Sort and group functions.jsing2016-09-041-12/+11
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* Expand IMPLEMENT_PEM macros.jsing2016-09-041-2/+29
| | | | No change in generated assembly.
* only regen pkg-config files when required; ok jaspernatano2016-09-041-3/+5
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* Make tree build againbeck2016-09-033-6/+51
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* crank minor for API addiiton of x509_email, etc. functionsbeck2016-09-031-1/+1
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* Remove the libssl/ssl directorybeck2016-09-032-54/+0
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* Remove the libssl/src directorybeck2016-09-031190-386114/+0
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* Be more strict when parsing TLS extensions.jsing2016-08-272-34/+74
| | | | | | Based on a diff from Kinichiro Inoguchi. ok beck@
* Do not *printf %s NULLderaadt2016-08-051-2/+3
| | | | ok bcook
* bump for LibreSSL 2.5.xbcook2016-07-311-3/+3
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* don't mix code and decls, ok tedu@bcook2016-07-181-2/+3
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* use memset to initialize the unionbcook2016-07-171-2/+4
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* remove unused OPENSSL_NO_OBJECT casebcook2016-07-171-14/+1
| | | | ok tedu@
* Initialize buffers before use, noted by Kinichiro Inoguchi.bcook2016-07-171-7/+7
| | | | ok beck@
* Clean up OCSP_check_validity() a bit more.beck2016-07-161-11/+10
| | | | | | - Return on first failure rather than continuing. - Don't compare times by comparing strings that possibly were not parsable as a time. ok deraadt@
* Limit the support of the "backward compatible" ssl2 handshake to only bebeck2016-07-162-2/+18
| | | | | used if TLS 1.0 is enabled. Sugessted/discussed with jsing@ and bcook@. ok guenther@ sthen@
* zero the read buffer after copying data to user so it doesn't linger.tedu2016-07-102-2/+4
| | | | ok beck
* call BN_init on temporaries to avoid use-before-set warningsbcook2016-07-073-3/+14
| | | | ok beck@
* remove unneeded duplicate call - spotted by jsing@beck2016-07-051-3/+1
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* On systems where we do not have BN_ULLONG defined (most 64-bit systems),bcook2016-07-053-10/+42
| | | | | | | | | | | | | | BN_mod_word() can return incorrect results if the supplied modulus is too big, so we need to fall back to BN_div_word. Now that BN_mod_word may fail, handle errors properly update the man page. Thanks to Brian Smith for pointing out these fixes from BoringSSL: https://boringssl.googlesource.com/boringssl/+/67cb49d045f04973ddba0f92fe8a8ad483c7da89 https://boringssl.googlesource.com/boringssl/+/44bedc348d9491e63c7ed1438db100a4b8a830be ok beck@
* Add several fixes from OpenSSL to make OCSP work with intermediatebeck2016-07-051-10/+24
| | | | | | certificates provided in the response. - makes our newly added ocsp regress test pass too.. ok bcook@
* bump to 2.4.2bcook2016-06-301-3/+3
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* Remove flags for disabling constant-time operations.bcook2016-06-308-177/+87
| | | | | | | | This removes support for DSA_FLAG_NO_EXP_CONSTTIME, DH_FLAG_NO_EXP_CONSTTIME, and RSA_FLAG_NO_CONSTTIME flags, making all of these operations unconditionally constant-time. Based on the original patch by César Pereid. ok beck@
* Fix from kinichiro.inoguchi@gmail.com to ensure that OCSP usesbeck2016-06-251-2/+2
| | | | Generalized Time on requests as per RFC6960
* Fix the ocsp code to actually check for errors when comparing time valuesbeck2016-06-251-7/+31
| | | | | | | | | which was not being done due to a lack of checking of the return code for X509_cmp_time. Ensure that we only compare GERNERALIZEDTIME values because this is what is specified by RFC6960. Issue reported, and fix provided by Kazuki Yamaguchi <k@rhe.jp> ok bcook@
* Disable DSA_FLAG_NO_EXP_CONSTTIME, always enable constant-time behavior.bcook2016-06-213-88/+46
| | | | | | | Improved patch from Cesar Pereida. See https://github.com/libressl-portable/openbsd/pull/61 for more details. ok beck@
* Set BN_FLG_CONSTTIME on the correct variable. beck committed wrong fix.libressl-v2.4.1tedu2016-06-061-2/+2
| | | | Mistake noted by Billy Brumley. Many thanks.
* Correct a problem that prevents the DSA signing algorithm from runningbeck2016-06-061-4/+6
| | | | | | | in constant time even if the flag BN_FLG_CONSTTIME is set. This issue was reported by Cesar Pereida (Aalto University), Billy Brumley (Tampere University of Technology), and Yuval Yarom (The University of Adelaide and NICTA). The fix was developed by Cesar Pereida.
* LibreSSL 2.4.1bcook2016-06-061-3/+3
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* deprecate internal use of EVP_[Cipher|Encrypt|Decrypt]_Final.beck2016-05-306-16/+24
| | | | | | | 14 years ago these were changed in OpenSSL to be the same as the _ex functions. We use the _ex functions only internally to ensure it is obvious the ctx must be cleared. ok bcook@
* Fix a short-read bug in the previous version of asn1_d2i_read_biobcook2016-05-201-26/+28
| | | | The outer while() loop is missing, so we only read up to chunk_max bytes.
* fix for integer overflow in encode and encrypt update functions.tedu2016-05-042-6/+11
| | | | | | additionally, in EncodeUpdate, if the amount written would overflow, return 0 instead to prevent bugs in the caller. CVE-2016-2105 and CVE-2016-2106 from openssl.
* fix a padding oracle in aesni cbc mac check. there must be enough datatedu2016-05-041-1/+4
| | | | | for both the mac and padding bytes. CVE-2016-2107 from openssl
* internal only negative types should not be handled here.tedu2016-05-043-9/+3
| | | | CVE-2016-2108 from openssl.
* be careful about consuming excessive memory by reading in chunks.tedu2016-05-041-14/+37
| | | | CVE-2016-2109 from openssl.
* revert the big change from yesterday to prepare for smaller commits.tedu2016-05-047-55/+30
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* prefer limits.h over sys/limits.hbcook2016-05-031-2/+2
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* patch from openssl for multiple issues:tedu2016-05-038-30/+265
| | | | | | | missing padding check in aesni functions overflow in evp encode functions use of invalid negative asn.1 types ok beck
* Crank majors for lib{crypto,ssl,tls} due to symbol removals, symboljsing2016-04-282-2/+2
| | | | additions and functionality changes.
* don't go into an unbreakable infinite loop during operations suchtedu2016-04-281-1/+2
| | | | | as reading passwords. allow ^C to break. the pain was mine, the fix is miod's.
* Implement the IETF ChaCha20-Poly1305 cipher suites.jsing2016-04-2810-92/+336
| | | | | | | | | Rename the existing ChaCha20-Poly1305 cipher suites with an "-OLD" suffix, effectively replaces the original Google implementation. We continue to support both the IETF and Google versions, however the existing names now refer to the ciphers from draft-ietf-tls-chacha20-poly1305-04. Feedback from doug@
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