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Add EdDSA support #555

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Add EdDSA support #555

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5 changes: 5 additions & 0 deletions cert.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ package main
import (
"crypto"
"crypto/ecdsa"
"crypto/ed25519"
"crypto/elliptic"
"crypto/rand"
"crypto/rsa"
Expand Down Expand Up @@ -167,6 +168,10 @@ func (m *mkcert) generateKey(rootCA bool) (crypto.PrivateKey, error) {
if m.ecdsa {
return ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
}
if m.eddsa {
_, privkey, error := ed25519.GenerateKey(rand.Reader)
return privkey, error
}
if rootCA {
return rsa.GenerateKey(rand.Reader, 3072)
}
Expand Down
16 changes: 10 additions & 6 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,9 @@ const advancedUsage = `Advanced options:
-ecdsa
Generate a certificate with an ECDSA key.

-eddsa
Generate a certificate with an EdDSA key.

-pkcs12
Generate a ".p12" PKCS #12 file, also know as a ".pfx" file,
containing certificate and key for legacy applications.
Expand Down Expand Up @@ -95,6 +98,7 @@ func main() {
uninstallFlag = flag.Bool("uninstall", false, "")
pkcs12Flag = flag.Bool("pkcs12", false, "")
ecdsaFlag = flag.Bool("ecdsa", false, "")
eddsaFlag = flag.Bool("eddsa", false, "")
clientFlag = flag.Bool("client", false, "")
helpFlag = flag.Bool("help", false, "")
carootFlag = flag.Bool("CAROOT", false, "")
Expand Down Expand Up @@ -136,15 +140,15 @@ func main() {
if *installFlag && *uninstallFlag {
log.Fatalln("ERROR: you can't set -install and -uninstall at the same time")
}
if *csrFlag != "" && (*pkcs12Flag || *ecdsaFlag || *clientFlag) {
if *csrFlag != "" && (*pkcs12Flag || *ecdsaFlag || *eddsaFlag || *clientFlag) {
log.Fatalln("ERROR: can only combine -csr with -install and -cert-file")
}
if *csrFlag != "" && flag.NArg() != 0 {
log.Fatalln("ERROR: can't specify extra arguments when using -csr")
}
(&mkcert{
installMode: *installFlag, uninstallMode: *uninstallFlag, csrPath: *csrFlag,
pkcs12: *pkcs12Flag, ecdsa: *ecdsaFlag, client: *clientFlag,
pkcs12: *pkcs12Flag, ecdsa: *ecdsaFlag, eddsa: *eddsaFlag, client: *clientFlag,
certFile: *certFileFlag, keyFile: *keyFileFlag, p12File: *p12FileFlag,
}).Run(flag.Args())
}
Expand All @@ -153,10 +157,10 @@ const rootName = "rootCA.pem"
const rootKeyName = "rootCA-key.pem"

type mkcert struct {
installMode, uninstallMode bool
pkcs12, ecdsa, client bool
keyFile, certFile, p12File string
csrPath string
installMode, uninstallMode bool
pkcs12, ecdsa, eddsa, client bool
keyFile, certFile, p12File string
csrPath string

CAROOT string
caCert *x509.Certificate
Expand Down