/// <exception cref="System.IO.IOException"/>
public override CredentialProvider.CredentialEntry GetCredentialEntry(string alias
)
{
readLock.Lock();
try
{
SecretKeySpec key = null;
try
{
if (cache.Contains(alias))
{
return(cache[alias]);
}
if (!keyStore.ContainsAlias(alias))
{
return(null);
}
key = (SecretKeySpec)keyStore.GetKey(alias, password);
}
catch (KeyStoreException e)
{
throw new IOException("Can't get credential " + alias + " from " + GetPathAsString
(), e);
}
catch (NoSuchAlgorithmException e)
{
throw new IOException("Can't get algorithm for credential " + alias + " from " +
GetPathAsString(), e);
}
catch (UnrecoverableKeyException e)
{
throw new IOException("Can't recover credential " + alias + " from " + GetPathAsString
(), e);
}
return(new CredentialProvider.CredentialEntry(alias, BytesToChars(key.GetEncoded(
))));
}
finally
{
readLock.Unlock();
}
}
// Loads a byte[] key
public void LoadKey(byte[] symKey)
{
var loadedKey = new SecretKeySpec(symKey, 0, symKey.Length, TRANSFORMATION);
_storageHelper.StoreItem <byte[]>(_keyAlias, loadedKey.GetEncoded());
}
/// <exception cref="System.IO.IOException"/>
public override KeyProvider.KeyVersion GetKeyVersion(string versionName)
{
readLock.Lock();
try
{
SecretKeySpec key = null;
try
{
if (!keyStore.ContainsAlias(versionName))
{
return(null);
}
key = (SecretKeySpec)keyStore.GetKey(versionName, password);
}
catch (KeyStoreException e)
{
throw new IOException("Can't get key " + versionName + " from " + path, e);
}
catch (NoSuchAlgorithmException e)
{
throw new IOException("Can't get algorithm for key " + key + " from " + path, e);
}
catch (UnrecoverableKeyException e)
{
throw new IOException("Can't recover key " + key + " from " + path, e);
}
return(new KeyProvider.KeyVersion(GetBaseName(versionName), versionName, key.GetEncoded
()));
}
finally
{
readLock.Unlock();
}
}