| static public GetType ( byte data ) : KeyInfo | ||
| data | byte | |
| return | KeyInfo | |
static public KeyInfo GetType (byte[] data)
{
if (data == null)
throw new ArgumentNullException ("data");
KeyInfo ki = KeyInfo.Unknown;
try {
ASN1 top = new ASN1 (data);
if ((top.Tag == 0x30) && (top.Count > 0)) {
ASN1 firstLevel = top [0];
switch (firstLevel.Tag) {
case 0x02:
ki = KeyInfo.PrivateKey;
break;
case 0x30:
ki = KeyInfo.EncryptedPrivateKey;
break;
}
}
}
catch {
throw new CryptographicException ("invalid ASN.1 data");
}
return ki;
}
