124 lines
3.6 KiB
C#
124 lines
3.6 KiB
C#
//
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// MonoBtlsKey.cs
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//
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// Author:
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// Martin Baulig <martin.baulig@xamarin.com>
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//
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// Copyright (c) 2016 Xamarin Inc. (http://www.xamarin.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#if SECURITY_DEP && MONO_FEATURE_BTLS
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using System;
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using System.IO;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Runtime.CompilerServices;
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namespace Mono.Btls
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{
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class MonoBtlsKey : MonoBtlsObject
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{
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internal class BoringKeyHandle : MonoBtlsHandle
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{
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internal BoringKeyHandle (IntPtr handle)
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: base (handle, true)
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{
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}
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protected override bool ReleaseHandle ()
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{
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mono_btls_key_free (handle);
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return true;
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}
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}
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[DllImport (BTLS_DYLIB)]
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extern static IntPtr mono_btls_key_new ();
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[DllImport (BTLS_DYLIB)]
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extern static void mono_btls_key_free (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static IntPtr mono_btls_key_up_ref (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_key_get_bytes (IntPtr handle, out IntPtr data, out int size, int include_private_bits);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_key_get_bits (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_key_is_rsa (IntPtr handle);
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[DllImport (BTLS_DYLIB)]
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extern static int mono_btls_key_assign_rsa_private_key (IntPtr handle, byte[] der, int der_length);
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new internal BoringKeyHandle Handle {
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get { return (BoringKeyHandle)base.Handle; }
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}
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internal MonoBtlsKey (BoringKeyHandle handle)
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: base (handle)
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{
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}
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public byte[] GetBytes (bool include_private_bits)
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{
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int size;
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IntPtr data;
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var ret = mono_btls_key_get_bytes (Handle.DangerousGetHandle (), out data, out size, include_private_bits ? 1 : 0);
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CheckError (ret);
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var buffer = new byte [size];
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Marshal.Copy (data, buffer, 0, size);
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FreeDataPtr (data);
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return buffer;
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}
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public bool IsRsa {
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get {
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return mono_btls_key_is_rsa (Handle.DangerousGetHandle ()) != 0;
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}
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}
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public MonoBtlsKey Copy ()
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{
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CheckThrow ();
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var copy = mono_btls_key_up_ref (Handle.DangerousGetHandle ());
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CheckError (copy != IntPtr.Zero);
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return new MonoBtlsKey (new BoringKeyHandle (copy));
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}
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public static MonoBtlsKey CreateFromRSAPrivateKey (System.Security.Cryptography.RSA privateKey)
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{
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var keyData = Mono.Security.Cryptography.PKCS8.PrivateKeyInfo.Encode (privateKey);
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var key = new MonoBtlsKey (new BoringKeyHandle (mono_btls_key_new ()));
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var ret = mono_btls_key_assign_rsa_private_key (key.Handle.DangerousGetHandle (), keyData, keyData.Length);
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if (ret == 0)
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throw new MonoBtlsException ("Assigning private key failed.");
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return key;
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}
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}
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}
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#endif
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