MD5 hash calculates differently on server MD5 hash calculates differently on server linux linux

MD5 hash calculates differently on server


c linux macos md5

Try to replace (Md5.c line 41)

typedef unsigned long int UINT4;

by

typedef uint32_t UINT4;

(include stdint.h if needed)

On a 64 bits machine long int are (usually) 64 bits long instead of 32

EDIT :

I tried on a 64 bits opteron this solves the problem.

c linux macos md5

Is the machine that seems to not be working a different architecture (32-bit vs. 64-bit) than the others? If the MD5 implementation is dependent on machine word size (I haven't checked the code), this can cause the hash to be different.

c linux macos md5

Different compilers can have different levels of standard compliance. If you run into a sub-standard compiler you can have hard times seeing that well-tested code has been compiled to something working entirely different.

It can also happen that the target system is 64-bit and the code has 64-bit portability issues.

The only way to solve the problem is to debug where exactly the two versions of your code behave differently.

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