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Michael Paquier b67b57a966 Refactor MD5 implementations according to new cryptohash infrastructure ... This commit heavily reorganizes the MD5 implementations that exist in the tree in various aspects. First, MD5 is added to the list of options available in cryptohash.c and cryptohash_openssl.c. This means that if building with OpenSSL, EVP is used for MD5 instead of the fallback implementation that Postgres had for ages. With the recent refactoring work for cryptohash functions, this change is straight-forward. If not building with OpenSSL, a fallback implementation internal to src/common/ is used. Second, this reduces the number of MD5 implementations present in the tree from two to one, by moving the KAME implementation from pgcrypto to src/common/, and by removing the implementation that existed in src/common/. KAME was already structured with an init/update/final set of routines by pgcrypto (see original pgcrypto/md5.h) for compatibility with OpenSSL, so moving it to src/common/ has proved to be a straight-forward move, requiring no actual manipulation of the internals of each routine. Some benchmarking has not shown any performance gap between both implementations. Similarly to the fallback implementation used for SHA2, the fallback implementation of MD5 is moved to src/common/md5.c with an internal header called md5_int.h for the init, update and final routines. This gets then consumed by cryptohash.c. The original routines used for MD5-hashed passwords are moved to a separate file called md5_common.c, also in src/common/, aimed at being shared between all MD5 implementations as utility routines to keep compatibility with any code relying on them. Like the SHA2 changes, this commit had its round of tests on both Linux and Windows, across all versions of OpenSSL supported on HEAD, with and even without OpenSSL. Author: Michael Paquier Reviewed-by: Daniel Gustafsson Discussion: https://postgr.es/m/20201106073434.GA4961@paquier.xyz		5 years ago
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editors	Make Emacs perl-mode indent more like perltidy.	7 years ago
findoidjoins	Move connect.h from fe_utils to src/include/common.	5 years ago
ifaddrs	Update copyrights for 2020	6 years ago
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msvc	Refactor MD5 implementations according to new cryptohash infrastructure	5 years ago
perlcheck	Stop requiring an explicit return from perl subroutines	6 years ago
pginclude	Use perl warnings pragma consistently	6 years ago
pgindent	Refactor MD5 implementations according to new cryptohash infrastructure	5 years ago
PerfectHash.pm	Review format of code generated by PerfectHash.pm	5 years ago
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git_changelog	Stamp HEAD as 14devel.	5 years ago
make_ctags	Improve missing-program error handling in make_ctags and make_etags.	7 years ago
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testint128.c	Update copyrights for 2020	6 years ago
valgrind.supp	Avoid need for valgrind suppressions for pg_atomic_init_u64 on some platforms.	5 years ago
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win32tzlist.pl	Update Windows timezone name list to include currently-known zones.	5 years ago