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crypto/tls: add examples for [Load]X509KeyPair

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I was confused about how to start an HTTP server if the server
cert/key are in memory, not on disk. I thought it would be good to
show an example of how to use these two functions to accomplish that.

example-cert.pem and example-key.pem were generated using
crypto/tls/generate_cert.go.
This commit is contained in:
Henry Case 2018-10-17 11:20:39 +01:00 committed by Kris Kwiatkowski
parent 4c970a6672
commit 18024f59de
3 changed files with 89 additions and 0 deletions
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73
example_test.go
View File

@ -11,6 +11,7 @@ import (
"net/http"
"net/http/httptest"
"os"
"time"
)
// zeroSource is an io.Reader that returns an unlimited number of zero bytes.
@ -160,3 +161,75 @@ func ExampleConfig_keyLogWriter_TLS13() {
// SERVER_TRAFFIC_SECRET_0 0000000000000000000000000000000000000000000000000000000000000000 cbecc42509a124ae517f6c9aaae1961d755ab4268548b40b0c7840a9643240e8
// CLIENT_TRAFFIC_SECRET_0 0000000000000000000000000000000000000000000000000000000000000000 8f6dd1476706ea8147d829347937694496a7d62d6d01de0a1b4820140d01cad0
}
func ExampleLoadX509KeyPair() {
cert, err := tls.LoadX509KeyPair("testdata/example-cert.pem", "testdata/example-key.pem")
if err != nil {
log.Fatal(err)
}
cfg := &tls.Config{Certificates: []tls.Certificate{cert}}
listener, err := tls.Listen("tcp", ":2000", cfg)
if err != nil {
log.Fatal(err)
}
_ = listener
}
func ExampleX509KeyPair() {
certPem := []byte(`-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`)
keyPem := []byte(`-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIIrYSSNQFaA2Hwf1duRSxKtLYX5CB04fSeQ6tF1aY/PuoAoGCCqGSM49
AwEHoUQDQgAEPR3tU2Fta9ktY+6P9G0cWO+0kETA6SFs38GecTyudlHz6xvCdz8q
EKTcWGekdmdDPsHloRNtsiCa697B2O9IFA==
-----END EC PRIVATE KEY-----`)
cert, err := tls.X509KeyPair(certPem, keyPem)
if err != nil {
log.Fatal(err)
}
cfg := &tls.Config{Certificates: []tls.Certificate{cert}}
listener, err := tls.Listen("tcp", ":2000", cfg)
if err != nil {
log.Fatal(err)
}
_ = listener
}
func ExampleX509KeyPair_httpServer() {
certPem := []byte(`-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`)
keyPem := []byte(`-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIIrYSSNQFaA2Hwf1duRSxKtLYX5CB04fSeQ6tF1aY/PuoAoGCCqGSM49
AwEHoUQDQgAEPR3tU2Fta9ktY+6P9G0cWO+0kETA6SFs38GecTyudlHz6xvCdz8q
EKTcWGekdmdDPsHloRNtsiCa697B2O9IFA==
-----END EC PRIVATE KEY-----`)
cert, err := tls.X509KeyPair(certPem, keyPem)
if err != nil {
log.Fatal(err)
}
cfg := &tls.Config{Certificates: []tls.Certificate{cert}}
srv := &http.Server{
TLSConfig: cfg,
ReadTimeout: time.Minute,
WriteTimeout: time.Minute,
}
log.Fatal(srv.ListenAndServeTLS("", ""))
}

11
testdata/example-cert.pem vendored Normal file
View File

@ -0,0 +1,11 @@
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

5
testdata/example-key.pem vendored Normal file
View File

@ -0,0 +1,5 @@
-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIIrYSSNQFaA2Hwf1duRSxKtLYX5CB04fSeQ6tF1aY/PuoAoGCCqGSM49
AwEHoUQDQgAEPR3tU2Fta9ktY+6P9G0cWO+0kETA6SFs38GecTyudlHz6xvCdz8q
EKTcWGekdmdDPsHloRNtsiCa697B2O9IFA==
-----END EC PRIVATE KEY-----