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package x509
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"crypto/x509/pkix"
)
const defaultRSAKeyStrength = 4096
func GenerateRSAKeyCSR(domains ...string) ([]byte, *rsa.PrivateKey, error) {
ckey, err := rsa.GenerateKey(rand.Reader, defaultRSAKeyStrength)
if err != nil {
return nil, nil, err
}
csr, err := x509.CreateCertificateRequest(rand.Reader, &x509.CertificateRequest{
Subject: pkix.Name{CommonName: domains[0]},
DNSNames: domains,
ExtraExtensions: []pkix.Extension{},
}, ckey)
if err != nil {
return nil, nil, err
}
return csr, ckey, nil
}
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