| // Copyright Istio Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // Provide a tool to generate X.509 CSR with different options. |
| |
| package main |
| |
| import ( |
| "flag" |
| "fmt" |
| "os" |
| ) |
| |
| import ( |
| "istio.io/pkg/log" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/security/pkg/pki/util" |
| ) |
| |
| var ( |
| host = flag.String("host", "", "Comma-separated hostnames and IPs to generate a certificate for.") |
| org = flag.String("organization", "Juju org", "Organization for the cert.") |
| outCsr = flag.String("out-csr", "csr.pem", "Output csr file.") |
| outPriv = flag.String("out-priv", "priv.pem", "Output private key file.") |
| keySize = flag.Int("key-size", 2048, "Size of the generated private key") |
| ec = flag.String("ec-sig-alg", "", "Generate an elliptical curve private key with the specified algorithm") |
| ) |
| |
| func saveCreds(csrPem []byte, privPem []byte) { |
| err := os.WriteFile(*outCsr, csrPem, 0o644) |
| if err != nil { |
| log.Fatalf("Could not write output certificate request: %s.", err) |
| } |
| |
| err = os.WriteFile(*outPriv, privPem, 0o600) |
| if err != nil { |
| log.Fatalf("Could not write output private key: %s.", err) |
| } |
| } |
| |
| func main() { |
| flag.Parse() |
| |
| csrPem, privPem, err := util.GenCSR(util.CertOptions{ |
| Host: *host, |
| Org: *org, |
| RSAKeySize: *keySize, |
| ECSigAlg: util.SupportedECSignatureAlgorithms(*ec), |
| }) |
| if err != nil { |
| log.Fatalf("Failed to generate CSR: %s.", err) |
| } |
| |
| saveCreds(csrPem, privPem) |
| fmt.Printf("Certificate and private files successfully saved in %s and %s\n", *outCsr, *outPriv) |
| } |