private static DecryptKeyType ParseType(string value)
{
try
{
return(DecryptKeyType.ToType(value));
}
catch (ArgumentException e)
{
throw new ParsingException($"Unknown type {value}", e);
}
}
private void DecodeHeaders(IEnumerable <PemHeader> headers)
{
var mandatory = new List <string>
{
"SchemeVersion",
"SchemeKeyVersion",
"Type",
"Recipient",
"RecipientKeySetVersion"
};
foreach (var header in headers)
{
var name = header.Name;
var value = header.Value;
mandatory.Remove(name);
switch (name)
{
case "SchemeVersion":
schemeVersion = ParseVersion(name, value);
break;
case "SchemeKeyVersion":
schemeKeyVersion = ParseVersion(name, value);
break;
case "Type":
type = ParseType(value);
break;
case "Recipient":
recipient = value;
break;
case "RecipientKeySetVersion":
recipientKeySetVersion = ParseVersion(name, value);
break;
}
}
if (mandatory.Any())
{
throw new ParsingException($"Missing headers: {mandatory}");
}
}