1 files changed, 54 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Arm64/Sha1.PlatformNotSupported.cs b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Arm64/Sha1.PlatformNotSupported.cs
new file mode 100644
index 000000000..9b6c5aac6
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Runtime/Intrinsics/Arm/Arm64/Sha1.PlatformNotSupported.cs
@@ -0,0 +1,54 @@
+using System.Runtime.CompilerServices;
+using System.Runtime.Intrinsics;
+
+namespace System.Runtime.Intrinsics.Arm.Arm64
+{
+    /// <summary>
+    /// This class provides access to the Arm64 SHA1 Crypto intrinsics
+    ///
+    /// Arm64 CPU indicate support for this feature by setting
+    /// ID_AA64ISAR0_EL1.SHA1 is 1 or better
+    /// </summary>
+    [CLSCompliant(false)]
+    public static class Sha1
+    {
+
+        public static bool IsSupported {  get { return false; } }
+
+        // <summary>
+        /// Performs SHA1 hash update choose form.
+        /// vsha1cq_u32 (uint32x4_t hash_abcd, uint32_t hash_e, uint32x4_t wk)
+        ///</summary>
+        public static Vector128<uint> HashChoose(Vector128<uint> hash_abcd, uint hash_e, Vector128<uint>wk) { throw new PlatformNotSupportedException(); }
+
+        // <summary>
+        /// Performs SHA1 hash update majority form.
+        /// vsha1mq_u32 (uint32x4_t hash_abcd, uint32_t hash_e, uint32x4_t wk)
+        ///</summary>
+        public static Vector128<uint> HashMajority(Vector128<uint> hash_abcd, uint hash_e, Vector128<uint>wk) { throw new PlatformNotSupportedException(); }
+
+        // <summary>
+        /// Performs SHA1 hash update parity form.
+        /// vsha1pq_u32 (uint32x4_t hash_abcd, uint32_t hash_e, uint32x4_t wk)
+        ///</summary>
+        public static Vector128<uint> HashParity(Vector128<uint> hash_abcd, uint hash_e, Vector128<uint>wk) { throw new PlatformNotSupportedException(); }
+
+        // <summary>
+        /// Performs SHA1 fixed rotate
+        /// vsha1h_u32 (uint32_t hash_e)
+        ///</summary>
+        public static uint FixedRotate(uint hash_e) { throw new PlatformNotSupportedException(); }
+
+        // <summary>
+        /// Performs SHA1 schedule update 0
+        /// vsha1su0q_u32 (uint32x4_t w0_3, uint32x4_t w4_7, uint32x4_t w8_11)
+        ///</summary>
+        public static Vector128<uint> SchedulePart1(Vector128<uint> w0_3, Vector128<uint> w4_7, Vector128<uint> w8_11) { throw new PlatformNotSupportedException(); }
+
+        // <summary>
+        /// Performs SHA1 schedule update 1
+        /// vsha1su1q_u32 (uint32x4_t tw0_3, uint32x4_t w12_15)
+        ///</summary>
+        public static Vector128<uint> SchedulePart2(Vector128<uint> tw0_3, Vector128<uint> w12_15) { throw new PlatformNotSupportedException(); }
+    }
+}