mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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51 lines
2.2 KiB
Go
51 lines
2.2 KiB
Go
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// Package ottest contains some utilities to test ot functions. The main goal is to reduce the code duplication in
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// various other packages that need to run an OT in their test setup stage.
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package ottest
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import (
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"github.com/pkg/errors"
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"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves"
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"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/ot/base/simplest"
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)
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// RunSimplestOT is a utility function used _only_ during various tests.
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// essentially, it encapsulates the entire process of running a base OT, so that other tests can use it / bootstrap themselves.
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// it handles the creation of the base OT sender and receiver, as well as orchestrates the rounds on them;
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// it returns their outsputs, so that others can use them.
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func RunSimplestOT(curve *curves.Curve, batchSize int, uniqueSessionId [simplest.DigestSize]byte) (*simplest.SenderOutput, *simplest.ReceiverOutput, error) {
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receiver, err := simplest.NewReceiver(curve, batchSize, uniqueSessionId)
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if err != nil {
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return nil, nil, errors.Wrap(err, "constructing OT receiver in run simplest OT")
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}
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sender, err := simplest.NewSender(curve, batchSize, uniqueSessionId)
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if err != nil {
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return nil, nil, errors.Wrap(err, "constructing OT sender in run simplest OT")
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}
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proof, err := sender.Round1ComputeAndZkpToPublicKey()
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if err != nil {
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return nil, nil, errors.Wrap(err, "sender round 1 in run simplest OT")
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}
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receiversMaskedChoice, err := receiver.Round2VerifySchnorrAndPadTransfer(proof)
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if err != nil {
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return nil, nil, errors.Wrap(err, "receiver round 2 in run simplest OT")
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}
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challenge, err := sender.Round3PadTransfer(receiversMaskedChoice)
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if err != nil {
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return nil, nil, errors.Wrap(err, "sender round 3 in run simplest OT")
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}
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challengeResponse, err := receiver.Round4RespondToChallenge(challenge)
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if err != nil {
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return nil, nil, errors.Wrap(err, "receiver round 4 in run simplest OT")
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}
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challengeOpenings, err := sender.Round5Verify(challengeResponse)
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if err != nil {
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return nil, nil, errors.Wrap(err, "sender round 5 in run simplest OT")
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}
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err = receiver.Round6Verify(challengeOpenings)
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if err != nil {
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return nil, nil, errors.Wrap(err, "receiver round 6 in run simplest OT")
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}
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return sender.Output, receiver.Output, nil
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}
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