47 lines
966 B
Go
47 lines
966 B
Go
package keyloader
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import (
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"io/ioutil"
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"os"
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)
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func ReadPrivateKeyRSAfromPath(path string) (*rsa.PrivateKey, error) {
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file, err := ioutil.ReadFile(path)
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if err != nil {
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return nil, err
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}
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decoded, _ := pem.Decode(file)
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priv, err := x509.ParsePKCS1PrivateKey(decoded.Bytes)
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if err != nil {
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return nil, err
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}
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return priv, nil
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}
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func ReadPublicKeyRSAfromString(pemString string) (*rsa.PublicKey, error) {
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pemByte := []byte(pemString)
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decoded, _ := pem.Decode(pemByte)
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keyInterface, err := x509.ParsePKIXPublicKey(decoded.Bytes)
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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return nil, err
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}
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pub := keyInterface.(*rsa.PublicKey)
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return pub, nil
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}
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func GeneratePublicKeyPEMString(pub *rsa.PublicKey) string {
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pubkeyBytes := x509.MarshalPKCS1PublicKey(pub)
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pubkeyPem := pem.EncodeToMemory(
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&pem.Block{
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Type: "RSA PUBLIC KEY",
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Bytes: pubkeyBytes,
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},
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)
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return string(pubkeyPem)
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}
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