1 files changed, 58 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/X86/Aes.cs b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/X86/Aes.cs
new file mode 100644
index 000000000..412a0c2f1
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/X86/Aes.cs
@@ -0,0 +1,58 @@
+// 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.Runtime.Intrinsics;
+
+namespace System.Runtime.Intrinsics.X86
+{
+    /// <summary>
+    /// This class provides access to Intel AES hardware instructions via intrinsics
+    /// </summary>
+    [CLSCompliant(false)]
+    public abstract class Aes : Sse2
+    {
+        internal Aes() { }
+
+        public new static bool IsSupported { get => IsSupported; }
+
+        /// <summary>
+        /// __m128i _mm_aesdec_si128 (__m128i a, __m128i RoundKey)
+        ///   AESDEC xmm, xmm/m128
+        /// </summary>
+        public static Vector128<byte> Decrypt(Vector128<byte> value, Vector128<byte> roundKey) => Decrypt(value, roundKey);
+
+        /// <summary>
+        /// __m128i _mm_aesdeclast_si128 (__m128i a, __m128i RoundKey)
+        ///   AESDECLAST xmm, xmm/m128
+        /// </summary>
+        public static Vector128<byte> DecryptLast(Vector128<byte> value, Vector128<byte> roundKey) => DecryptLast(value, roundKey);
+
+        /// <summary>
+        /// __m128i _mm_aesenc_si128 (__m128i a, __m128i RoundKey)
+        ///   AESENC xmm, xmm/m128
+        /// </summary>
+        public static Vector128<byte> Encrypt(Vector128<byte> value, Vector128<byte> roundKey) => Encrypt(value, roundKey);
+
+        /// <summary>
+        /// __m128i _mm_aesenclast_si128 (__m128i a, __m128i RoundKey)
+        ///   AESENCLAST xmm, xmm/m128
+        /// </summary>
+        public static Vector128<byte> EncryptLast(Vector128<byte> value, Vector128<byte> roundKey) => EncryptLast(value, roundKey);
+
+        /// <summary>
+        /// __m128i _mm_aesimc_si128 (__m128i a)
+        ///   AESIMC xmm, xmm/m128
+        /// </summary>
+        public static Vector128<byte> InverseMixColumns(Vector128<byte> value) => InverseMixColumns(value);
+
+        /// <summary>
+        /// __m128i _mm_aeskeygenassist_si128 (__m128i a, const int imm8)
+        ///   AESKEYGENASSIST xmm, xmm/m128, imm8
+        /// </summary>
+        public static Vector128<byte> KeygenAssist(Vector128<byte> value, byte control) => KeygenAssist(value, control);
+
+    }
+
+}