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https://github.com/saymrwulf/swisspost-evoting-go-poc.git
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saymrwulf
e8b6f30871
Proof-of-concept reimplementation of the Swiss Post e-voting cryptographic protocol in Go. Single binary, 52 source files, 2 dependencies. Covers ElGamal encryption, Bayer-Groth verifiable shuffles, zero-knowledge proofs, return codes, and a full election ceremony demo.
39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
package protocol
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import (
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"fmt"
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"math/rand"
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)
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// RunDemoElection runs a complete election ceremony with the given parameters.
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func RunDemoElection(numVoters, numOptions int) {
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fmt.Println("========================================")
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fmt.Println(" Swiss Post E-Voting Protocol PoC (Go)")
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fmt.Println("========================================")
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fmt.Printf(" Voters: %d, Options: %d, CCs: 4\n", numVoters, numOptions)
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fmt.Println()
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// Phase 1: Setup
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fmt.Println("--- SETUP PHASE ---")
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cfg := DefaultConfig(numVoters, numOptions)
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fmt.Printf(" Group: %d-bit safe prime\n", cfg.Group.Q().BitLen())
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event := Setup(cfg)
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fmt.Printf(" Generated %d voting cards\n", numVoters)
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fmt.Printf(" Mapping table: %d entries\n", event.MappingTable.Size())
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fmt.Println(" Setup complete.")
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// Phase 2: Voting
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fmt.Println("\n--- VOTING PHASE ---")
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for v := 0; v < numVoters; v++ {
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// Randomly select 1 option for each voter
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selected := []int{rand.Intn(numOptions)}
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CastVote(event, v, selected)
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}
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fmt.Printf(" All %d votes cast.\n", numVoters)
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// Phase 3: Tally
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Tally(event)
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// Phase 4: Verify
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VerifyTally(event)
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}
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