OTBN code snippet collection

This directory contains some code snippets that give examples of how to do various tasks in OTBN code.

• modexp.S: An example of how to do modular exponentiation.
• pseudo-ops.S: An example of the pseudo-operations supported by the OTBN ISA.
• mul256.S: An example of a 256x256 bit multiply using the MULQACC instruction.
• mul384.S: An example of a 384x384 bit multiply using the MULQACC instruction.
• barrett384.S: An example of a modular multiplication kernel based on Barrett reduction.