at least 53-bit floating point numbers are required

[baditaflorin]

2024/09/10 17:17:42 Failed to load Lua script: failed to load Lua script: ./sha2.lua:87: at least 53-bit floating point numbers are required
stack traceback:
[G]: in function 'assert'
./sha2.lua:87: in function <./sha2.lua:0>

 lua -v
Lua 5.4.7  Copyright (C) 1994-2024 Lua.org, PUC-Rio

[Egor-Skriptunoff]

This may happen if you have built your Lua with 32-bit flag (LUA_32BITS) which uses 32-bit floats as Lua numbers instead of 64-bit doubles.
The "sha2.lua" requires 64-bit doubles.
Try print(math.pi) - you should see 3.1415926535898 if Lua numbers are double.