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GitHub - essentialkaos/branca: Authenticated encrypted API tokens (IETF XChaCha20-Poly1305 AEAD) for Golang
Authenticated encrypted API tokens (IETF XChaCha20-Poly1305 AEAD) for Golang - essentialkaos/branca
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GitHub - essentialkaos/branca: Authenticated encrypted API tokens (IETF XChaCha20-Poly1305 AEAD) for Golang

GitHub - essentialkaos/branca: Authenticated encrypted API tokens (IETF XChaCha20-Poly1305 AEAD) for Golang

branca.go is branca token specification implementation for Go 1.18+.

Features and benefits:

  • Pure Go implementation;
  • No third-party dependencies at all;
  • 100% code coverage;
  • Fuzz tests.

Installation

Make sure you have a working Go 1.18+ workspace (instructions), then:

go get -u github.com/essentialkaos/branca/v2

Usage example

package main

import (
  "fmt"
  
  "github.com/essentialkaos/branca/v2"
)

func main() {
  key := "abcd1234abcd1234abcd1234abcd1234"
  brc, err := branca.NewBranca([]byte(key))

  if err != nil {
    fmt.Printf("Error: %v\n", err)
    return
  }

  payload := "MySuperSecretData"
  token, err := brc.EncodeToString([]byte(payload))

   if err != nil {
    fmt.Printf("Error: %v\n", err)
    return
  }

  fmt.Printf("Token: %s\n", token)
}

Benchmarks

You can run benchmarks by yourself using make benchmark command.

go version go1.23.2 linux/amd64

BrancaSuite.BenchmarkBase62Decoding            1000000   1106 ns/op   408 B/op    7 allocs/op
BrancaSuite.BenchmarkBase62Encoding            1000000   1105 ns/op   512 B/op    6 allocs/op
BrancaSuite.BenchmarkBrancaDecoding            5000000    421 ns/op    48 B/op    2 allocs/op
BrancaSuite.BenchmarkBrancaDecodingFromString  1000000   1632 ns/op   456 B/op    9 allocs/op
BrancaSuite.BenchmarkBrancaEncoding            1000000   2108 ns/op   152 B/op    4 allocs/op
BrancaSuite.BenchmarkBrancaEncodingToString     500000   3854 ns/op   664 B/op   10 allocs/op

Build Status

Branch Status
master CI
develop CI

License

MIT

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