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diff --git a/release-notes/7.0/preview/api-diff/preview5/Microsoft.NETCore.App/7.0-preview5_System.Security.Cryptography.md b/release-notes/7.0/preview/api-diff/preview5/Microsoft.NETCore.App/7.0-preview5_System.Security.Cryptography.md
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+# System.Security.Cryptography
+
+``` diff
+ namespace System.Security.Cryptography {
+     public sealed class DSACng : DSA {
+-        protected override byte[] HashData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm);
+-        protected override byte[] HashData(Stream data, HashAlgorithmName hashAlgorithm);
+-        protected override bool TryHashData(ReadOnlySpan<byte> source, Span<byte> destination, HashAlgorithmName hashAlgorithm, out int bytesWritten);
+     }
+     public sealed class ECDsaCng : ECDsa {
+-        protected override byte[] HashData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm);
+-        protected override byte[] HashData(Stream data, HashAlgorithmName hashAlgorithm);
+-        protected override bool TryHashData(ReadOnlySpan<byte> source, Span<byte> destination, HashAlgorithmName hashAlgorithm, out int bytesWritten);
+     }
+     public sealed class RSACng : RSA {
+-        protected override byte[] HashData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm);
+-        protected override byte[] HashData(Stream data, HashAlgorithmName hashAlgorithm);
+-        protected override bool TryHashData(ReadOnlySpan<byte> data, Span<byte> destination, HashAlgorithmName hashAlgorithm, out int bytesWritten);
+     }
+     public sealed class RSACryptoServiceProvider : RSA, ICspAsymmetricAlgorithm {
+-        protected override byte[] HashData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm);
+-        protected override byte[] HashData(Stream data, HashAlgorithmName hashAlgorithm);
+     }
+ }
+```
+