public static IEnumerable <PgpPublicKeyMetaData> GetPublicKeys(Stream inputStream) //, bool disallowPrivateKeys)
{
inputStream = PgpUtilities.GetDecoderStream(inputStream);
//if (disallowPrivateKeys)
//{
// PgpSecretKeyRingBundle pgpKeyRing = null;
// try
// {
// pgpKeyRing = new PgpSecretKeyRingBundle(inputStream);
// }
// catch
// {
// }
// if (pgpKeyRing != null && pgpKeyRing.Count > 0)
// {
// throw new System.Security.SecurityException("Private keys are not allowed.");
// }
//}
var list = new List <PgpPublicKeyMetaData>();
PgpPublicKeyRingBundle pgpPub = new PgpPublicKeyRingBundle(inputStream);
foreach (PgpPublicKeyRing keyRing in pgpPub.GetKeyRings())
{
foreach (PgpPublicKey key in keyRing.GetPublicKeys())
{
var keyMeta = new PgpPublicKeyMetaData();
keyMeta.Load(key);
list.Add(keyMeta);
}
}
return(list);
}
private static bool ValidateBitStrength(PgpPublicKeyMetaData key, List <string> errors)
{
// key strength
bool validStregth = false;
if (key.BitStrength == 2048 || key.BitStrength == 4096)
{
validStregth = true;
}
if (!validStregth)
{
errors.Add(string.Format("Key '{0}' requires either 2048 or 4096 bit strength.", key.KeyIdShort));
return(false);
}
if (key.SubKeys != null && key.SubKeys.Any())
{
foreach (var subKey in key.SubKeys)
{
var isValid = ValidateBitStrength(subKey, errors);
if (!isValid)
{
return(false);
}
}
}
return(true);
}
private static bool ValidateVersion(PgpPublicKeyMetaData key, List <string> errors)
{
// key strength
if (key.Version < 3)
{
errors.Add(string.Format("Key '{0}' must be >= version 3.", key.KeyIdShort));
return(false);
}
if (key.SubKeys != null && key.SubKeys.Any())
{
foreach (var subKey in key.SubKeys)
{
var isValid = ValidateVersion(subKey, errors);
if (!isValid)
{
return(false);
}
}
}
return(true);
}
public static IEnumerable<PgpPublicKeyMetaData> GetPublicKeys(Stream inputStream) //, bool disallowPrivateKeys)
{
inputStream = PgpUtilities.GetDecoderStream(inputStream);
//if (disallowPrivateKeys)
//{
// PgpSecretKeyRingBundle pgpKeyRing = null;
// try
// {
// pgpKeyRing = new PgpSecretKeyRingBundle(inputStream);
// }
// catch
// {
// }
// if (pgpKeyRing != null && pgpKeyRing.Count > 0)
// {
// throw new System.Security.SecurityException("Private keys are not allowed.");
// }
//}
var list = new List<PgpPublicKeyMetaData>();
PgpPublicKeyRingBundle pgpPub = new PgpPublicKeyRingBundle(inputStream);
foreach (PgpPublicKeyRing keyRing in pgpPub.GetKeyRings())
{
foreach (PgpPublicKey key in keyRing.GetPublicKeys())
{
var keyMeta = new PgpPublicKeyMetaData();
keyMeta.Load(key);
list.Add(keyMeta);
}
}
return list;
}
private static bool ValidateVersion(PgpPublicKeyMetaData key, List<string> errors)
{
// key strength
if (key.Version < 3)
{
errors.Add(string.Format("Key '{0}' must be >= version 3.", key.KeyIdShort));
return false;
}
if (key.SubKeys != null && key.SubKeys.Any())
{
foreach (var subKey in key.SubKeys)
{
var isValid = ValidateVersion(subKey, errors);
if (!isValid)
{
return false;
}
}
}
return true;
}
private static bool ValidateBitStrength(PgpPublicKeyMetaData key, List<string> errors)
{
// key strength
bool validStregth = false;
if (key.BitStrength == 2048 || key.BitStrength == 4096)
{
validStregth = true;
}
if (!validStregth)
{
errors.Add(string.Format("Key '{0}' requires either 2048 or 4096 bit strength.", key.KeyIdShort));
return false;
}
if (key.SubKeys != null && key.SubKeys.Any())
{
foreach (var subKey in key.SubKeys)
{
var isValid = ValidateBitStrength(subKey, errors);
if (!isValid)
{
return false;
}
}
}
return true;
}
