Niels Dossche 2b8c00850b Fix GH-12936: hash() function hangs endlessly if using sha512 on strings >= 4GiB ...

There's two problems:
- Some loops used `unsigned int` instead of `size_t`.
- The 2*N-bit addition that is emulated using 2 N bit numbers has a bug:
  it first truncated the number to 32/64 bit and only then shifted. This
  resulted in the wrong length info stored inside the resulting hash.

Closes GH-12937.

2023-12-12 19:57:06 +01:00

19 KiB

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