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This appears to be about 5% faster than the current perlasm version on a
modern Intel CPU.
While here rename md5_block_asm_data_order to md5_block_data_order, for
consistency with other hashes.
ok tb@
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Like most hashes, MD5 needs to keep count of the number of bits in the
message being processed. However, rather than using a 64 bit counter this
is implemented using two 32 bit values (which is exposed in the public
API). Even with this hurdle, we can still use 64 bit math and let the
compiler figure out how to best handle the situation (hopefully avoiding
compiler warnings on 16 bit platforms in the process!). On amd64 this code
now requires two instructions, instead of the previous five.
While here remove a comment that is excessively visible and no longer
completely accurate (and if you're going to redefine types like MD5_WORD
you kinda need to know what you're doing).
ok tb@ (who's going to miss the dear diary style comments)
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HMAC() and the one-step digests used to support passing a NULL buffer and
would return the digest in a static buffer. This design is firmly from the
nineties, not thread safe and it saves callers a single line. The few ports
that used to rely this were fixed with patches sent to non-hostile (and
non-dead) upstreams. It's early enough in the release cycle that remaining
uses hidden from the compiler should be caught, at least the ones that
matter.
There won't be that many since BoringSSL removed this feature in 2017.
https://boringssl-review.googlesource.com/14528
Add non-null attributes to the headers and add a few missing bounded
attributes.
ok beck jsing
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This is now no longer needed.
ok tb@
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Use static inline functions instead of macros and improve handling of
aligned data. Also number rounds as per RFC 1321.
ok tb@
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Instead of using HOST_{c2l,l2c} macros, provide and use
crypto_load_le32toh() and crypto_store_htole32(). In some cases just
use htole32() directly.
ok tb@
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ok tb@
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There are a bunch of unnecessary preprocessor directives - just condition
on MD5_ASM, the same as we do elsewhere.
ok tb@
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ok tb@
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No functional change.
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No change to generated assembly.
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No functional change.
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Copy the update, transform and final functions from md32_common.h, manually
expanding the macros for MD5. This will allow for further clean up to
occur.
No change in generated assembly.
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This is a hack that is only enabled on a handful of 64 bit platforms, as
a workaround for poor compiler optimisation. If you're running an archiac
compiler on an archiac architecture, then you can deal with slightly lower
performance.
ok tb@
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and others to the regress framework. These remaining ones just
muddle us up when re-reading code repeatedly.
ok jsing
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they had resorted to manually protyping read(2) instead of incredible amount of
preprocessor wizardry needed to find the ever illusive <unistd.h>. Let's just
include <unistd.h> and we don't need to do this.. While we're at it flense
out _OSD_POSIX and __DGJPP__ cruft.
ok krw@
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functionality for shared libs.
Note that routines such as sslv2_init and friends that use RSA will
not work due to lack of RSA in this library.
Needs documentation and help from ports for easy upgrade to full
functionality where legally possible.
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