public static PKCS8.KeyInfo GetType(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
PKCS8.KeyInfo result = PKCS8.KeyInfo.Unknown;
try
{
ASN1 asn = new ASN1(data);
if (asn.Tag == 48 && asn.Count > 0)
{
ASN1 asn2 = asn[0];
byte tag = asn2.Tag;
if (tag != 2)
{
if (tag == 48)
{
result = PKCS8.KeyInfo.EncryptedPrivateKey;
}
}
else
{
result = PKCS8.KeyInfo.PrivateKey;
}
}
}
catch
{
throw new CryptographicException("invalid ASN.1 data");
}
return(result);
}
public static PKCS8.KeyInfo GetType(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
PKCS8.KeyInfo keyInfo = PKCS8.KeyInfo.Unknown;
try
{
ASN1 asN1 = new ASN1(data);
if (asN1.Tag == (byte)48)
{
if (asN1.Count > 0)
{
switch (asN1[0].Tag)
{
case 2:
keyInfo = PKCS8.KeyInfo.PrivateKey;
break;
case 48:
keyInfo = PKCS8.KeyInfo.EncryptedPrivateKey;
break;
}
}
}
}
catch
{
throw new CryptographicException("invalid ASN.1 data");
}
return(keyInfo);
}
