public void Put(string key, byte[] buffer)
{
using (var keychainItem = KeyChainItem.FindGenericPassword(key))
{
var status = keychainItem.ItemRef == IntPtr.Zero
? Security.SecKeychainAddGenericPassword(
IntPtr.Zero,
(uint)key.Length,
key,
(uint)RuntimeEnvironmentHelper.AccountName.Length,
RuntimeEnvironmentHelper.AccountName,
(uint)buffer.Length,
buffer,
ref keychainItem.ItemRef)
: Security.SecKeychainItemModifyAttributesAndData(
keychainItem.ItemRef,
IntPtr.Zero,
(uint)buffer.Length,
buffer);
if (status != SecStatusCode.Success)
{
throw new SecurityException(status.ToString());
}
}
}
public bool Exists(string key)
{
using (var keychainItem = KeyChainItem.FindGenericPassword(key))
{
return(keychainItem.ItemRef != IntPtr.Zero);
}
}
public byte[] Get(string key)
{
using (var keychainItem = KeyChainItem.FindGenericPassword(key))
{
if (keychainItem.ItemRef == IntPtr.Zero)
{
throw new KeyNotFoundException();
}
var buffer = new byte[keychainItem.PasswordLength];
Marshal.Copy(keychainItem.PasswordData, buffer, 0, buffer.Length);
return(buffer);
}
}
public void Delete(string key)
{
using (var keychainItem = KeyChainItem.FindGenericPassword(key))
{
if (keychainItem.ItemRef == IntPtr.Zero)
{
throw new KeyNotFoundException();
}
var status = Security.SecKeychainItemDelete(keychainItem.ItemRef);
if (status != SecStatusCode.Success)
{
throw new SecurityException(status.ToString());
}
}
}
