派生自 cwtch.im/tapir
Update per Dans' Comments
这个提交包含在:
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a19204caf4
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a0e58b8736
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@ -16,6 +16,7 @@ type TokenApplication struct {
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// HasTokensCapability is granted once the client has obtained signed tokens
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const HasTokensCapability = tapir.Capability("HasTokensCapability")
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const numTokens = 10
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// NewInstance should always return a new instantiation of the application.
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func (tokenapp *TokenApplication) NewInstance() tapir.Application {
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@ -29,7 +30,7 @@ func (tokenapp *TokenApplication) Init(connection tapir.Connection) {
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tokenapp.Transcript().NewProtocol("token-app")
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log.Debugf(tokenapp.Transcript().OutputTranscriptToAudit())
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if connection.IsOutbound() {
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tokens, blinded := privacypass.GenerateBlindedTokenBatch(10)
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tokens, blinded := privacypass.GenerateBlindedTokenBatch(numTokens)
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data, _ := json.Marshal(blinded)
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connection.Send(data)
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var signedBatch privacypass.SignedBatchWithProof
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@ -47,15 +48,17 @@ func (tokenapp *TokenApplication) Init(connection tapir.Connection) {
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// If the connection closes without the HasTokensCapability then the error can be handled by whatever client needs it
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log.Debugf("Failed to verify signed token batch")
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}
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} else {
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var blinded []privacypass.BlindedToken
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err := json.Unmarshal(connection.Expect(), &blinded)
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if err == nil {
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batchProof := tokenapp.TokenService.SignBlindedTokenBatch(blinded, tokenapp.Transcript())
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log.Debugf(tokenapp.Transcript().OutputTranscriptToAudit())
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data, _ := json.Marshal(batchProof)
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connection.Send(data)
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return
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}
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return
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}
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// We are the server
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var blinded []privacypass.BlindedToken
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err := json.Unmarshal(connection.Expect(), &blinded)
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if err == nil {
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batchProof := tokenapp.TokenService.SignBlindedTokenBatch(blinded, tokenapp.Transcript())
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log.Debugf(tokenapp.Transcript().OutputTranscriptToAudit())
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data, _ := json.Marshal(batchProof)
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connection.Send(data)
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return
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}
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}
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