I am doing some RSA stuff and was looking for a Big Integer math library for use in the JM128. Please let me know if you can point me in the right direction.
How big is big? 64bits long long is supported natively in CW for MCUs when targeting Coldfire V1. Long long is 32bits wide targeting S08.
I would have to go back and check but it is my divide with remainder that is giving me problems and it works on 128 byte inptus (yes, BYTES).
Hi, what you need is called an arbitrary precision arithmetic library. Some time ago I coded a prototype of the DSA Digital Signature algorythm using a 16 bit freescale part, I used the MIRACL library at that time,and after some tweaking it worked great. Maybe there is something more specific for embedded processors today, but I dont know.
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