Close #1760

neo-project · Jan 8, 2025 · 29d1f86 · 29d1f86
1 parent 02c5f3a
commit 29d1f86
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/src/Neo/Cryptography/Helper.cs b/src/Neo/Cryptography/Helper.cs
@@ -51,8 +51,13 @@ public static byte[] RIPEMD160(this byte[] value)
         /// <returns>The computed hash code.</returns>
         public static byte[] RIPEMD160(this ReadOnlySpan<byte> value)
         {
-            byte[] source = value.ToArray();
-            return source.RIPEMD160();
+            using var ripemd160 = new RIPEMD160Managed();
+
+            var output = new Span<byte>(new byte[ripemd160.HashSize]);
+            if (!ripemd160.TryComputeHash(value, output, out _))
+                throw new Exception();
+
+            return output.ToArray();
         }
 
         /// <summary>

diff --git a/src/Neo/Cryptography/RIPEMD160Managed.cs b/src/Neo/Cryptography/RIPEMD160Managed.cs
@@ -12,7 +12,6 @@
 using System;
 using System.Runtime.InteropServices;
 using System.Security;
-using System.Security.Cryptography;
 
 namespace Neo.Cryptography
 {