/// <summary>
/// Create a new IdentityManager to use the given IdentityStorage and
/// the default PrivateKeyStorage for your system, which is
/// OSXPrivateKeyStorage for OS X, otherwise FilePrivateKeyStorage.
/// </summary>
///
/// <param name="identityStorage">An object of a subclass of IdentityStorage.</param>
public IdentityManager(IdentityStorage identityStorage)
{
ConfigFile config;
try {
config = new ConfigFile();
} catch (IOException ex) {
throw new SecurityException("IOException " + ex.Message);
}
String[] canonicalTpmLocator = new String[] { null };
identityStorage_ = identityStorage;
privateKeyStorage_ = getDefaultPrivateKeyStorage(config,
canonicalTpmLocator);
checkTpm(canonicalTpmLocator[0]);
}
/// <summary>
/// Get the PrivateKeyStorage from the tpm value in the configuration file if
/// supplied. Otherwise, get the default for this platform.
/// </summary>
///
/// <param name="config">The configuration file to check.</param>
/// <param name="canonicalTpmLocator"></param>
/// <returns>A new PrivateKeyStorage.</returns>
private static PrivateKeyStorage getDefaultPrivateKeyStorage(
ConfigFile config, String[] canonicalTpmLocator)
{
String tpmLocator = config.get("tpm", "");
if (tpmLocator.equals("")) {
// Use the system default.
if (System.Environment.GetEnvironmentVariable("os.name").equals("Mac OS X")) {
canonicalTpmLocator[0] = "tpm-osxkeychain:";
throw new SecurityException(
"OSXPrivateKeyStorage is not implemented yet. You must create an IdentityManager with a different PrivateKeyStorage.");
} else {
canonicalTpmLocator[0] = "tpm-file:";
return new FilePrivateKeyStorage();
}
} else if (tpmLocator.equals("tpm-osxkeychain")) {
canonicalTpmLocator[0] = "tpm-osxkeychain:";
throw new SecurityException(
"OSXPrivateKeyStorage is not implemented yet. You must create an IdentityManager with a different PrivateKeyStorage.");
} else if (tpmLocator.equals("tpm-file")) {
// Don't support non-default locations for now.
canonicalTpmLocator[0] = "tpm-file:";
return new FilePrivateKeyStorage();
} else
throw new SecurityException("Invalid config file tpm value: "
+ tpmLocator);
}
/// <summary>
/// Get the IdentityStorage from the pib value in the configuration file if
/// supplied. Otherwise, get the default for this platform.
/// </summary>
///
/// <param name="config">The configuration file to check.</param>
/// <returns>A new IdentityStorage.</returns>
private static IdentityStorage getDefaultIdentityStorage(ConfigFile config)
{
String pibLocator = config.get("pib", "");
if (!pibLocator.equals("")) {
// Don't support non-default locations for now.
if (!pibLocator.equals("pib-sqlite3"))
throw new SecurityException("Invalid config file pib value: "
+ pibLocator);
}
return new BasicIdentityStorage();
}
