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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
MR: #364
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Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
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SSL_{CTX}_set_tmp_ecdh() allows to set 1 EC curve and then tries to use it. On
the other hand SSL_{CTX_}set1_curves() allows you to set a list of curves, but
only when SSL_{CTX_}set_ecdh_auto() was called to turn it on.
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
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This only gets used to set a specific curve without actually checking that the
peer supports it or not and can therefor result in handshake failures that can
be avoided by selecting a different cipher.
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
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Add CRYPTO_free_ex_index (for shared libraries)
Unify and complete the documentation for all "ex_data" API's and objects.
Replace xxx_get_ex_new_index functions with a macro.
Added an exdata test.
Renamed the ex_data internal datatypes.
Reviewed-by: Matt Caswell <matt@openssl.org>
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Add some clarifications to the async documentation. Also changed
ASYNC_pause_job() so that it returns success if you are not within the
context of a job. This is so that engines can be used either asynchronously
or synchronously and can treat an error from ASYNC_pause_job() as a real
error.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Add a CHANGES entry for the new async code.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Final part of flushing out SSLEay API's.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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All instances of SSLeay (any combination of case) were replaced with
the case-equivalent OpenSSL.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Remove all the defines for the old state machines states. Mapping old to new
is probably going to cause more problems than it solves so it is probably
better to just remove them.
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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SSL_state has been replaced by SSL_get_state and SSL_set_state is no longer
supported.
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Rename the enum HANDSHAKE_STATE to OSSL_HANDSHAKE_STATE to ensure there are
no namespace clashes, and convert it into a typedef.
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Update the CHANGES file for the state machine rewrite
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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There are a number of engines in the OpenSSL source code which are now
obsolete. The following engines have been removed: 4758cca, aep, atalla,
cswift, nuron, sureware.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Thanks to the OpenBSD community for bringing this to our attention.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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This patch updates the "DEFAULT" cipherstring to be
"ALL:!COMPLEMENTOFDEFAULT:!eNULL". COMPLEMENTOFDEFAULT is now defined
internally by a flag on each ciphersuite indicating whether it should be
excluded from DEFAULT or not. This gives us control at an individual
ciphersuite level as to exactly what is in DEFAULT and what is not.
Finally all DES, RC4 and RC2 ciphersuites are added to COMPLEMENTOFDEFAULT
and hence removed from DEFAULT.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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Much related/similar work also done by
Ivan Nestlerode <ivan.nestlerode@sonos.com>
+Replace FILE BIO's with dummy ops that fail.
+Include <stdio.h> for sscanf() even with no-stdio (since the declaration
is there). We rely on sscanf() to parse the OPENSSL_ia32cap environment
variable, since it can be larger than a 'long'. And we don't rely on the
availability of strtoull().
+Remove OPENSSL_stderr(); not used.
+Make OPENSSL_showfatal() do nothing (currently without stdio there's
nothing we can do).
+Remove file-based functionality from ssl/. The function
prototypes were already gone, but not the functions themselves.
+Remove unviable conf functionality via SYS_UEFI
+Add fallback definition of BUFSIZ.
+Remove functions taking FILE * from header files.
+Add missing DECLARE_PEM_write_fp_const
+Disable X509_LOOKUP_hash_dir(). X509_LOOKUP_file() was already compiled out,
so remove its prototype.
+Use OPENSSL_showfatal() in CRYPTO_destroy_dynlockid().
+Eliminate SRP_VBASE_init() and supporting functions. Users will need to
build the verifier manually instead.
+Eliminate compiler warning for unused do_pk8pkey_fp().
+Disable TEST_ENG_OPENSSL_PKEY.
+Disable GOST engine as is uses [f]printf all over the place.
+Eliminate compiler warning for unused send_fp_chars().
Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Tim Hudson <tjh@openssl.org>
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Rewrite EVP_DecodeUpdate.
In particular: reject extra trailing padding, and padding in the middle
of the content. Don't limit line length. Add tests.
Previously, the behaviour was ill-defined, and depended on the position
of the padding within the input.
In addition, this appears to fix a possible two-byte oob read.
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Dr Stephen Henson <steve@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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If the seed value for dsa key generation is too short (< qsize),
return an error. Also update the documentation.
Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Thanks folks:
348 Benjamin Kaduk
317 Christian Brueffer
254 Erik Tews
253 Erik Tews
219 Carl Mehner
155 (ghost)
95 mancha
51 DominikNeubauer
Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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This flag was not set anywhere within the codebase (only read). It could
only be set by an app reaching directly into s->s3->flags and setting it
directly. However that method became impossible when libssl was opaquified.
Even in 1.0.2/1.0.1 if an app set the flag directly it is only relevant to
ssl3_connect(), which calls SSL_clear() during initialisation that clears
any flag settings. Therefore it could take effect if the app set the flag
after the handshake has started but before it completed. It seems quite
unlikely that any apps really do this (especially as it is completely
undocumented).
The purpose of the flag is suppress flushing of the write bio on the client
side at the end of the handshake after the client has written the Finished
message whilst resuming a session. This enables the client to send
application data as part of the same flight as the Finished message.
This flag also controls the setting of a second flag SSL3_FLAGS_POP_BUFFER.
There is an interesting comment in the code about this second flag in the
implementation of ssl3_write:
/* This is an experimental flag that sends the
* last handshake message in the same packet as the first
* use data - used to see if it helps the TCP protocol during
* session-id reuse */
It seems the experiment did not work because as far as I can tell nothing
is using this code. The above comment has been in the code since SSLeay.
This commit removes support for SSL3_FLAGS_DELAY_CLIENT_FINISHED, as well
as the associated SSL3_FLAGS_POP_BUFFER.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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This leaves behind files with names ending with '.iso-8859-1'. These
should be safe to remove. If something went wrong when re-encoding,
there will be some files with names ending with '.utf8' left behind.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Stephen Henson <steve@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Add secure heap for storage of private keys (when possible).
Add BIO_s_secmem(), CBIGNUM, etc.
Add BIO_CTX_secure_new so all BIGNUM's in the context are secure.
Contributed by Akamai Technologies under the Corporate CLA.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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When generating a private key, try to make the output file be readable
only by the owner. Put it in CHANGES file since it might be noticeable.
Add "int private" flag to apps that write private keys, and check that it's
set whenever we do write a private key. Checked via assert so that this
bug (security-related) gets fixed. Thanks to Viktor for help in tracing
the code-paths where private keys are written.
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
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Updates to CHANGES and NEWS to take account of the latest security fixes.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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This is a workaround so old that nobody remembers what buggy clients
it was for. It's also been broken in stable branches for two years and
nobody noticed (see
https://boringssl-review.googlesource.com/#/c/1694/).
Reviewed-by: Tim Hudson <tjh@openssl.org>
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The return type of BIO_number_read() and BIO_number_written() as well as
the corresponding num_read and num_write members in the BIO structure has
been changed from unsigned long to uint64_t. On platforms where an unsigned
long is 32 bits (e.g. Windows) these counters could overflow if >4Gb is
transferred.
With thanks to the Open Crypto Audit Project for reporting this issue.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Remove support for the two export grade static DH ciphersuites. These two
ciphersuites were newly added (along with a number of other static DH
ciphersuites) to 1.0.2. However the two export ones have *never* worked
since they were introduced. It seems strange in any case to be adding new
export ciphersuites, and given "logjam" it also does not seem correct to
fix them.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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default (client).
Also reorder preferences to prefer prime curves to binary curves, and P-256 to everything else.
The result:
$ openssl s_server -named_curves "auto"
This command will negotiate an ECDHE ciphersuite with P-256:
$ openssl s_client
This command will negotiate P-384:
$ openssl s_client -curves "P-384"
This command will not negotiate ECDHE because P-224 is disabled with "auto":
$ openssl s_client -curves "P-224"
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Update various documentation references to the new TLS_*_method names. Also
add a CHANGES entry.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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https://github.com/openssl/openssl/pull/176 (CHANGES)
https://rt.openssl.org/Ticket/Display.html?id=3545 (objects.txt)
https://rt.openssl.org/Ticket/Display.html?id=3796 (verify.pod)
Reviewed-by: Tim Hudson <tjh@openssl.org>
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Reviewed-by: Andy Polyakov <appro@openssl.org>
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Remove CA.sh script and use CA.pl for testing, etc.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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The justification for RAND_pseudo_bytes is somewhat dubious, and the reality
is that it is frequently being misused. RAND_bytes and RAND_pseudo_bytes in
the default implementation both end up calling ssleay_rand_bytes. Both may
return -1 in an error condition. If there is insufficient entropy then
both will return 0, but RAND_bytes will additionally add an error to the
error queue. They both return 1 on success.
Therefore the fundamental difference between the two is that one will add an
error to the error queue with insufficient entory whilst the other will not.
Frequently there are constructions of this form:
if(RAND_pseudo_bytes(...) <= 1)
goto err;
In the above form insufficient entropy is treated as an error anyway, so
RAND_bytes is probably the better form to use.
This form is also seen:
if(!RAND_pseudo_bytes(...))
goto err;
This is technically not correct at all since a -1 return value is
incorrectly handled - but this form will also treat insufficient entropy as
an error.
Within libssl it is required that you have correctly seeded your entropy
pool and so there seems little benefit in using RAND_pseudo_bytes.
Similarly in libcrypto many operations also require a correctly seeded
entropy pool and so in most interesting cases you would be better off
using RAND_bytes anyway. There is a significant risk of RAND_pseudo_bytes
being incorrectly used in scenarios where security can be compromised by
insufficient entropy.
If you are not using the default implementation, then most engines use the
same function to implement RAND_bytes and RAND_pseudo_bytes in any case.
Given its misuse, limited benefit, and potential to compromise security,
RAND_pseudo_bytes has been deprecated.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Start ensuring all OpenSSL "free" routines allow NULL, and remove
any if check before calling them.
This gets ASN1_OBJECT_free and ASN1_STRING_free.
Reviewed-by: Matt Caswell <matt@openssl.org>
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Resync CHANGES with the latest version from 1.0.2.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Suggested by John Foley <foleyj@cisco.com>.
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
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