phmd5 -- generate MD5 on little-endian system
--- Freeware ---
[page last modified 2019-07-14]
phmd5 is code to generate an MD5 hash. It is targeted for little-endian
architectures only (tested on 32 and 64-bit).
The little-endian assumption enables processing of source data in-place, which is a significant speed boost.
The code is small and simple.
Full source is provided; it is freeware, there are no restrictions on its use, but no guarantee is given.
The original version (1.0) used a 32-bit x86 assembly routine.
Subsequent timing showed the algorithm was memory-bound, and an optimizing C compiler was sufficient to the task.
So newer versions replaced the assembly with C (though the now-unused assembly source remains for historical purposes).
A command-line test tool -- dophmd5.c/.exe -- demonstrates use.
For further information start by taking a look at the readme.txt file.
version 1.5 released 7/14/2019: Added missing include guard to header file.
Click here to download phmd515.zip
version 1.4 released 11/13/2017: Changed bytecnt fields from type unsigned to size_t for 64-bit compatibility.
Click here to download phmd514.zip
version 1.3 released 4/29/2010: Small logic addition to resume in-place hashing when possible.
Click here to download phmd513.zip
version 1.2 released 4/16/2010: Added support for 64-bit compilation.
Click here to download phmd512.zip
version 1.1 released 4/14/2010: Replaced assembly code with C.
Click here to download phmd511.zip
version 1.0 released 4/12/2010: Initial version.
Click here to download phmd510.zip
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