forked from it-sos/golibs
/
general_rsakey.go
45 lines (42 loc) · 908 Bytes
/
general_rsakey.go
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package rsa
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"os"
)
func GeneralRsaKey() error {
privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
if err != nil {
return err
}
x509PrivateKey := x509.MarshalPKCS1PrivateKey(privateKey)
privateFile, err := os.Create(privateFileName)
if err != nil {
return err
}
defer privateFile.Close()
privateBlock := pem.Block{
Type: privateKeyPrefix,
Bytes: x509PrivateKey,
}
if err = pem.Encode(privateFile, &privateBlock); err != nil {
return err
}
publicKey := privateKey.PublicKey
x509PublicKey, err := x509.MarshalPKIXPublicKey(&publicKey)
if err != nil {
panic(err)
}
publicFile, _ := os.Create(publicFileName)
defer publicFile.Close()
publicBlock := pem.Block{
Type: publicKeyPrefix,
Bytes: x509PublicKey,
}
if err = pem.Encode(publicFile, &publicBlock); err != nil {
return err
}
return nil
}