Switch deprecation method for MD5

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13460)

Update copyright year

Reviewed-by: Nicola Tuveri <nic.tuv@gmail.com>
(Merged from https://github.com/openssl/openssl/pull/13144)

Deprecate SHA and MD5 again.

This reverts commit a978dc3bffb63e6bfc40fe6955e8798bdffb4e7e.

Reviewed-by: Ben Kaduk <kaduk@mit.edu>
(Merged from https://github.com/openssl/openssl

Deprecate SHA and MD5 again.

This reverts commit a978dc3bffb63e6bfc40fe6955e8798bdffb4e7e.

Reviewed-by: Ben Kaduk <kaduk@mit.edu>
(Merged from https://github.com/openssl/openssl/pull/11961)

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TODO: undo md5.h and sha.h changes temporarily

Undo the changes to md5.h and sha.h so that the low level symbols are
exported from libcrypto again. This allows libssl to build and link.

TODO: undo md5.h and sha.h changes temporarily

Undo the changes to md5.h and sha.h so that the low level symbols are
exported from libcrypto again. This allows libssl to build and link.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10791)

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Deprecate the low level MD5 functions.

Use of the low level MD5 functions has been informally discouraged for a long
time. We now formally deprecate them.

Reviewed-by: Matt Cas

Deprecate the low level MD5 functions.

Use of the low level MD5 functions has been informally discouraged for a long
time. We now formally deprecate them.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10791)

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Update source files for deprecation at 3.0

Previous macros suggested that from 3.0, we're only allowed to
deprecate things at a major version. However, there's no policy
stating thi

Update source files for deprecation at 3.0

Previous macros suggested that from 3.0, we're only allowed to
deprecate things at a major version. However, there's no policy
stating this, but there is for removal, saying that to remove
something, it must have been deprecated for 5 years, and that removal
can only happen at a major version.

Meanwhile, the semantic versioning rule is that deprecation should
trigger a MINOR version update, which is reflected in the macro names
as of this change.

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

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Add legacy include guards to public header files

For every public header file, the old include guard definition needs
to be added in addition to the new one

include/openssl/file

Add legacy include guards to public header files

For every public header file, the old include guard definition needs
to be added in addition to the new one

include/openssl/file.h:

#ifndef OPENSSL_FILE_H
# define OPENSSL_FILE_H
# pragma once

# include <openssl/macros.h>
# if !OPENSSL_API_3
# define HEADER_FILE_H
# endif
...

This is going to ensure that applications which use the old include guards
externally, for example like this

#ifndef HEADER_FILE_H
# include <openssl/file.h>
#endif

will not fail to compile.

In addition to the legacy guard, the public header files also receive a
'# pragma once' directive.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)

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Fix header file include guard names

Make the include guards consistent by renaming them systematically according
to the naming conventions below

For the public header files (in

Fix header file include guard names

Make the include guards consistent by renaming them systematically according
to the naming conventions below

For the public header files (in the 'include/openssl' directory), the guard
names try to match the path specified in the include directives, with
all letters converted to upper case and '/' and '.' replaced by '_'. For the
private header files files, an extra 'OSSL_' is added as prefix.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)

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Following the license change, modify the boilerplates in include/ and crypto/include/

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/77

Following the license change, modify the boilerplates in include/ and crypto/include/

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7770)

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Copyright consolidation 03/10

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

Remove #error from include files.

Don't have #error statements in header files, but instead wrap
the contents of that file in #ifndef OPENSSL_NO_xxx
This means it is now always safe

Remove #error from include files.

Don't have #error statements in header files, but instead wrap
the contents of that file in #ifndef OPENSSL_NO_xxx
This means it is now always safe to include the header file.

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

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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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Stop symlinking, move files to intended directory

Rather than making include/openssl/foo.h a symlink to
crypto/foo/foo.h, this change moves the file to include/openssl/foo.h
once and

Stop symlinking, move files to intended directory

Rather than making include/openssl/foo.h a symlink to
crypto/foo/foo.h, this change moves the file to include/openssl/foo.h
once and for all.

Likewise, move crypto/foo/footest.c to test/footest.c, instead of
symlinking it there.

Originally-by: Geoff Thorpe <geoff@openssl.org>

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

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