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|
package util
import (
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"fmt"
"os"
)
func ReadKey(b []byte) (*rsa.PrivateKey, error) {
block, _ := pem.Decode(b)
if block == nil {
return nil, fmt.Errorf("failed to parse pem block")
}
priv, err := x509.ParsePKCS8PrivateKey(block.Bytes)
if err != nil {
return nil, fmt.Errorf("failed to parse key: %w", err)
}
switch priv := priv.(type) {
case *rsa.PrivateKey:
return priv, nil
default:
return nil, fmt.Errorf("unknown type of public key")
}
}
func ReadKeyFromFile(path string) (*rsa.PrivateKey, error) {
b, err := os.ReadFile(path)
if err != nil {
return nil, err
}
return ReadKey(b)
}
func ReadCert(b []byte) (*x509.Certificate, error) {
block, _ := pem.Decode(b)
if block == nil {
return nil, fmt.Errorf("no pem block")
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return nil, fmt.Errorf("failed to parse cert: %w", err)
}
return cert, nil
}
func ReadCertFromFile(path string) (*x509.Certificate, error) {
b, err := os.ReadFile(path)
if err != nil {
return nil, err
}
return ReadCert(b)
}
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