Update copyright year

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11616)

Use build.info, not ifdef for crypto modules

Don't wrap conditionally-compiled files in global ifndef tests.
Instead, test if the feature is disabled and, if so, do not
compile it.

Use build.info, not ifdef for crypto modules

Don't wrap conditionally-compiled files in global ifndef tests.
Instead, test if the feature is disabled and, if so, do not
compile it.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11263)

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Deprecate the low level Diffie-Hellman functions.

Use of the low level DH functions has been informally discouraged for a
long time. We now formally deprecate them.

Reviewed-by

Deprecate the low level Diffie-Hellman functions.

Use of the low level DH functions has been informally discouraged for a
long time. We now formally deprecate them.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11024)

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Update source files for pre-3.0 deprecation

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10364)

Following the license change, modify the boilerplates in crypto/dh/

[skip ci]

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7

Following the license change, modify the boilerplates in crypto/dh/

[skip ci]

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7788)

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Refactor the computation of API version limits

Previously, the API version limit was indicated with a numeric version
number. This was "natural" in the pre-3.0.0 because the version was

Refactor the computation of API version limits

Previously, the API version limit was indicated with a numeric version
number. This was "natural" in the pre-3.0.0 because the version was
this simple number.

With 3.0.0, the version is divided into three separate numbers, and
it's only the major number that counts, but we still need to be able
to support pre-3.0.0 version limits.

Therefore, we allow OPENSSL_API_COMPAT to be defined with a pre-3.0.0
style numeric version number or with a simple major number, i.e. can
be defined like this for any application:

-D OPENSSL_API_COMPAT=0x10100000L
-D OPENSSL_API_COMPAT=3

Since the pre-3.0.0 numerical version numbers are high, it's easy to
distinguish between a simple major number and a pre-3.0.0 numerical
version number and to thereby support both forms at the same time.

Internally, we define the following macros depending on the value of
OPENSSL_API_COMPAT:

OPENSSL_API_0_9_8
OPENSSL_API_1_0_0
OPENSSL_API_1_1_0
OPENSSL_API_3

They indicate that functions marked for deprecation in the
corresponding major release shall not be built if defined.

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7724)

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Copyright consolidation 05/10

Reviewed-by: Richard Levitte <levitte@openssl.org>

Use NON_EMPTY_TRANSLATION_UNIT, consistently.

This also closes RT 4123

Reviewed-by: Richard Levitte <levitte@openssl.org>

Remove /* foo.c */ comments

This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1

Remove /* foo.c */ comments

This was done by the following
find . -name '*.[ch]' | /tmp/pl
where /tmp/pl is the following three-line script:
print unless $. == 1 && m@/\* .*\.[ch] \*/@;
close ARGV if eof; # Close file to reset $.

And then some hand-editing of other files.

Reviewed-by: Viktor Dukhovni <viktor@openssl.org>

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Backwards-compatibility subject to OPENSSL_API_COMPAT

Provide backwards-compatiblity for functions, macros and include
files if OPENSSL_API_COMPAT is either not defined or defined less

Backwards-compatibility subject to OPENSSL_API_COMPAT

Provide backwards-compatiblity for functions, macros and include
files if OPENSSL_API_COMPAT is either not defined or defined less
than the version number of the release in which the feature was
deprecated.

Reviewed-by: Richard Levitte <levitte@openssl.org>

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Continue standardising malloc style for libcrypto

Continuing from previous commit ensure our style is consistent for malloc
return checks.

Reviewed-by: Kurt Roeckx <kurt@openssl

Continue standardising malloc style for libcrypto

Continuing from previous commit ensure our style is consistent for malloc
return checks.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>

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Identify and move common internal libcrypto header files

There are header files in crypto/ that are used by a number of crypto/
submodules. Move those to crypto/include/internal and ada

Identify and move common internal libcrypto header files

There are header files in crypto/ that are used by a number of crypto/
submodules. Move those to crypto/include/internal and adapt the
affected source code and Makefiles.

The header files that got moved are:

crypto/cryptolib.h
crypto/md32_common.h

Reviewed-by: Rich Salz <rsalz@openssl.org>

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Run util/openssl-format-source -v -c .

Reviewed-by: Tim Hudson <tjh@openssl.org>

Implement internally opaque bn access from dh

Reviewed-by: Tim Hudson <tjh@openssl.org>

When OPENSSL_NO_DEPRECATED is defined, deprecated functions are (or should
be) precompiled out in the API headers. This change is to ensure that if
it is defined when compiling openssl, the d

When OPENSSL_NO_DEPRECATED is defined, deprecated functions are (or should
be) precompiled out in the API headers. This change is to ensure that if
it is defined when compiling openssl, the deprecated functions aren't
implemented either.

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Nils Larsch submitted;
- a patch to fix a memory leak in rsa_gen.c
- a note about compiler warnings with unions
- a note about improving structure element names

This applie

Nils Larsch submitted;
- a patch to fix a memory leak in rsa_gen.c
- a note about compiler warnings with unions
- a note about improving structure element names

This applies his patch and implements a solution to the notes.

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This is a first-cut at improving the callback mechanisms used in
key-generation and prime-checking functions. Rather than explicitly passing
callback functions and caller-defined context data

This is a first-cut at improving the callback mechanisms used in
key-generation and prime-checking functions. Rather than explicitly passing
callback functions and caller-defined context data for the callbacks, a new
structure BN_GENCB is defined that encapsulates this; a pointer to the
structure is passed to all such functions instead.

This wrapper structure allows the encapsulation of "old" and "new" style
callbacks - "new" callbacks return a boolean result on the understanding
that returning FALSE should terminate keygen/primality processing. The
BN_GENCB abstraction will allow future callback modifications without
needing to break binary compatibility nor change the API function
prototypes. The new API functions have been given names ending in "_ex" and
the old functions are implemented as wrappers to the new ones. The
OPENSSL_NO_DEPRECATED symbol has been introduced so that, if defined,
declaration of the older functions will be skipped. NB: Some
openssl-internal code will stick with the older callbacks for now, so
appropriate "#undef" logic will be put in place - this is in case the user
is *building* openssl (rather than *including* its headers) with this
symbol defined.

There is another change in the new _ex functions; the key-generation
functions do not return key structures but operate on structures passed by
the caller, the return value is a boolean. This will allow for a smoother
transition to having key-generation as "virtual function" in the various
***_METHOD tables.

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