70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
package tls
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import (
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"encoding/json"
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"encoding/pem"
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"os"
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"strings"
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"github.com/OmarTariq612/goech"
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"github.com/cloudflare/circl/hpke"
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"github.com/xtls/xray-core/common"
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"github.com/xtls/xray-core/main/commands/base"
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)
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var cmdECH = &base.Command{
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UsageLine: `{{.Exec}} tls ech [--serverName (string)] [--json]`,
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Short: `Generate TLS-ECH certificates`,
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Long: `
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Generate TLS-ECH certificates.
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Set serverName to your custom string: {{.Exec}} tls ech --serverName (string)
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Generate into json format: {{.Exec}} tls ech --json
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`, // Enable PQ signature schemes: {{.Exec}} tls ech --pq-signature-schemes-enabled
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}
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func init() {
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cmdECH.Run = executeECH
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}
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var input_pqSignatureSchemesEnabled = cmdECH.Flag.Bool("pqSignatureSchemesEnabled", false, "")
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var input_serverName = cmdECH.Flag.String("serverName", "cloudflare-ech.com", "")
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var input_json = cmdECH.Flag.Bool("json", false, "True == turn on json output")
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func executeECH(cmd *base.Command, args []string) {
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var kem hpke.KEM
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if *input_pqSignatureSchemesEnabled {
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kem = hpke.KEM_X25519_KYBER768_DRAFT00
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} else {
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kem = hpke.KEM_X25519_HKDF_SHA256
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}
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echKeySet, err := goech.GenerateECHKeySet(0, *input_serverName, kem)
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common.Must(err)
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configBuffer, _ := echKeySet.ECHConfig.MarshalBinary()
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keyBuffer, _ := echKeySet.MarshalBinary()
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configPEM := string(pem.EncodeToMemory(&pem.Block{Type: "ECH CONFIGS", Bytes: configBuffer}))
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keyPEM := string(pem.EncodeToMemory(&pem.Block{Type: "ECH KEYS", Bytes: keyBuffer}))
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if *input_json {
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jECHConfigs := map[string]interface{}{
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"configs": strings.Split(strings.TrimSpace(string(configPEM)), "\n"),
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}
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jECHKey := map[string]interface{}{
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"key": strings.Split(strings.TrimSpace(string(keyPEM)), "\n"),
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}
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for _, i := range []map[string]interface{}{jECHConfigs, jECHKey} {
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content, err := json.MarshalIndent(i, "", " ")
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common.Must(err)
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os.Stdout.Write(content)
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os.Stdout.WriteString("\n")
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}
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} else {
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os.Stdout.WriteString(configPEM)
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os.Stdout.WriteString(keyPEM)
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}
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}
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