diff options
Diffstat (limited to 'src/mscorlib/corefx/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs')
-rw-r--r-- | src/mscorlib/corefx/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/mscorlib/corefx/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs b/src/mscorlib/corefx/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs new file mode 100644 index 0000000000..d2ce4131b0 --- /dev/null +++ b/src/mscorlib/corefx/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs @@ -0,0 +1,26 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +using System; +using System.Diagnostics; +using System.Runtime.InteropServices; + +internal partial class Interop +{ + internal partial class BCrypt + { + internal static unsafe NTSTATUS BCryptGenRandom(byte* pbBuffer, int count) + { + Debug.Assert(pbBuffer != null); + Debug.Assert(count >= 0); + + return BCryptGenRandom(IntPtr.Zero, pbBuffer, count, BCRYPT_USE_SYSTEM_PREFERRED_RNG); + } + + private const int BCRYPT_USE_SYSTEM_PREFERRED_RNG = 0x00000002; + + [DllImport(Libraries.BCrypt, CharSet = CharSet.Unicode)] + private static unsafe extern NTSTATUS BCryptGenRandom(IntPtr hAlgorithm, byte* pbBuffer, int cbBuffer, int dwFlags); + } +} |