private static byte[] GetBytesFromPEM(string pemString, PemStringType type)
{
string header;
string footer;
switch (type)
{
case PemStringType.Certificate:
header = "-----BEGIN CERTIFICATE-----";
footer = "-----END CERTIFICATE-----";
break;
case PemStringType.RsaPrivateKey:
header = "-----BEGIN RSA PRIVATE KEY-----";
footer = "-----END RSA PRIVATE KEY-----";
break;
default:
return(null);
}
int start = pemString.IndexOf(header, StringComparison.Ordinal) + header.Length;
int end = pemString.IndexOf(footer, start, StringComparison.Ordinal) - start;
return(Convert.FromBase64String(pemString.Substring(start, end)));
}
public static byte[] GetBytesFromPem(string pemString, PemStringType type)
{
string header; string footer;
switch (type)
{
case PemStringType.Certificate:
header = "-----BEGIN CERTIFICATE-----";
footer = "-----END CERTIFICATE-----";
break;
case PemStringType.PrivateKey:
header = "-----BEGIN PRIVATE KEY-----";
footer = "-----END PRIVATE KEY-----";
break;
case PemStringType.RsaPrivateKey:
header = "-----BEGIN RSA PRIVATE KEY-----";
footer = "-----END RSA PRIVATE KEY-----";
break;
default:
return(null);
}
var start = pemString.IndexOf(header) + header.Length;
var end = pemString.IndexOf(footer, start) - start;
return(Convert.FromBase64String(pemString.Substring(start, end)));
}
public static byte[] GetBytesFromPem(string pemString, PemStringType type)
{
string header; string footer;
switch (type)
{
case PemStringType.Certificate:
header = "-----BEGIN CERTIFICATE-----";
footer = "-----END CERTIFICATE-----";
break;
case PemStringType.RsaPrivateKey:
header = "-----BEGIN RSA PRIVATE KEY-----";
footer = "-----END RSA PRIVATE KEY-----";
break;
default:
return(null);
}
var start = pemString.IndexOf(header, StringComparison.Ordinal) + header.Length;
var end = pemString.IndexOf(footer, start, StringComparison.Ordinal) - start;
if (start < 0 || end < 0)
{
throw new ArgumentException("Invalid PEM string content: perhaps a certificate is passed instead of the private key or vice versa?");
}
return(Convert.FromBase64String(pemString.Substring(start, end)));
}
/// <summary>
///
/// </summary>
/// <param name="PemString"></param>
/// <param name="Type"></param>
/// <returns></returns>
private static byte[] GetBytesFromPEM(string PemString, PemStringType Type)
{
string Header, Footer;
switch (Type)
{
case PemStringType.Certificate:
Header = "-----BEGIN CERTIFICATE-----";
Footer = "-----END CERTIFICATE-----";
break;
case PemStringType.RsaPrivateKey:
Header = "-----BEGIN RSA PRIVATE KEY-----";
Footer = "-----END RSA PRIVATE KEY-----";
break;
default:
return null;
}
int Start = PemString.IndexOf(Header) + Header.Length;
int End = PemString.IndexOf(Footer, Start) - Start;
if (Start < 0) throw(new Exception("Can't find '" + Header + "'"));
if (End < 0) throw (new Exception("Can't find '" + Footer + "'"));
return Convert.FromBase64String(PemString.Substring(Start, End));
}
private static String GetPemStringFromBytes(Byte[] key, PemStringType type)
{
String header, footer;
switch (type)
{
case PemStringType.Certificate:
header = "-----BEGIN CERTIFICATE-----";
footer = "-----END CERTIFICATE-----";
break;
case PemStringType.RsaPrivateKey:
header = "-----BEGIN RSA PRIVATE KEY-----";
footer = "-----END RSA PRIVATE KEY-----";
break;
case PemStringType.PublicKey:
header = "-----BEGIN PUBLIC KEY-----";
footer = "-----END PUBLIC KEY-----";
break;
default: return(null);
}
var textBase64 = Convert.ToBase64String(key);
var text = new StringBuilder(textBase64.Length);
for (Int32 i = 0; i < textBase64.Length; i++)
{
text.Append(textBase64[i]);
if (i != 0 && (i + 1) % 64 == 0)
{
text.Append(Environment.NewLine);
}
}
var result = String.Format("{0}{1}{2}", header, text, footer);
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="pemString"></param>
/// <param name="type"></param>
/// <returns></returns>
public static byte[] GetBytesFromPEM(string pemString, PemStringType type)
{
string header; string footer;
switch (type)
{
case PemStringType.Certificate:
header = "-----BEGIN CERTIFICATE-----";
footer = "-----END CERTIFICATE-----";
break;
case PemStringType.RsaPrivateKey:
header = "-----BEGIN RSA PRIVATE KEY-----";
footer = "-----END RSA PRIVATE KEY-----";
break;
default:
return null;
}
int start = pemString.IndexOf(header) + header.Length;
int end = pemString.IndexOf(footer, start) - start;
return Convert.FromBase64String(pemString.Substring(start, end));
}
