tari-project / bulletproofs-plus / 8478510121

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feat: remove partial precomputation (#129)

Partial precomputation is the sole reason for maintaining a custom curve
library fork, which has proven to be a headache and limits compatibility
with other libraries.

This PR removes partial precomputation altogether. If you supply
parameters with more inner-product generators than you need, padding is
used. This incurs an efficiency hit, but only in this particular case.
For the use cases in the Tari ecosystem, this is not an issue.

As a result of this change, we also switch back to the latest version of
the upstream curve library and simplify some scalar exponentiation
operations. The audit report is also updated to note the curve library
dependency change.

Closes #128. Closes #93. Closes #96.

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