5311495851
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Ran 19 Jun 2023 11:55AM UTC

Jobs 1

Files 21

Run time 49s

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Build # 5311495851

Build Type

push

github

Committed by

web-flow

Commit Message

fix!: nonce index encoding (#31)

Nonces used for mask recovery are generated using hashes of a label,
seed, and two optional indexes. The label is included using the
`persona` field available in `Blake2b`, and the seed is of fixed length.
However, the indexes are `usize` and encoded in a manner that is
platform dependent. This means that mask recovery on a platform with a
different pointer size than the prover will fail to produce the correct
mask.

This work updates to use a `u32` encoding, returning an error if the
index exceeds this limit. This should never occur, given the typical
range of indexes used. It adds tests and does some minor refactoring.

Closes [issue
30](https://github.com/tari-project/bulletproofs-plus/issues/30).

BREAKING CHANGE: Changes the way that seed nonces are used in mask
recovery. Existing range proofs will verify, but will fail to recover
the correct mask.

Run Details

1867 of 2044 relevant lines covered (91.34%)

1337.77 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	5311495851.1	19 Jun 2023 11:55AM UTC	0	91.34	GitHub Action Run

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