Fix AEAD algorithm documentation to indicate when AuthenticationTagMismatchException is thrown (#10471)

Author: vcsjones

xml/System.Security.Cryptography/AesCcm.xml

@@ -212,7 +212,8 @@ The <paramref name="nonce" /> parameter length is not permitted by <see cref="P:
 
 The <paramref name="tag" /> parameter length is not permitted by <see cref="P:System.Security.Cryptography.AesCcm.TagByteSizes" />.</exception>
         <exception cref="T:System.ArgumentNullException">The <paramref name="nonce" />, <paramref name="ciphertext" />, <paramref name="tag" />, or <paramref name="plaintext" /> parameter is <see langword="null" />.</exception>
-        <exception cref="T:System.Security.Cryptography.CryptographicException">The tag value could not be verified, or the decryption operation otherwise failed.</exception>
+        <exception cref="T:System.Security.Cryptography.CryptographicException">The decryption operation failed. Prior to .NET 8, indicates the tag value could not be verified.</exception>
+        <exception cref="T:System.Security.Cryptography.AuthenticationTagMismatchException">.NET 8 and later versions: the tag value could not be verified.</exception>
       </Docs>
     </Member>
     <Member MemberName="Decrypt">
@@ -280,7 +281,8 @@ The <paramref name="nonce" /> parameter length is not permitted by <see cref="P:
 -or-
 
 The <paramref name="tag" /> parameter length is not permitted by <see cref="P:System.Security.Cryptography.AesCcm.TagByteSizes" />.</exception>
-        <exception cref="T:System.Security.Cryptography.CryptographicException">The tag value could not be verified, or the decryption operation otherwise failed.</exception>
+        <exception cref="T:System.Security.Cryptography.CryptographicException">The decryption operation failed. Prior to .NET 8, indicates the tag value could not be verified.</exception>
+        <exception cref="T:System.Security.Cryptography.AuthenticationTagMismatchException">.NET 8 and later versions: the tag value could not be verified.</exception>
       </Docs>
     </Member>
     <Member MemberName="Dispose">

xml/System.Security.Cryptography/AesGcm.xml

@@ -305,7 +305,8 @@ The <paramref name="nonce" /> parameter length is not permitted by <see cref="P:
 
 The <paramref name="tag" /> parameter length is not permitted by <see cref="P:System.Security.Cryptography.AesGcm.TagByteSizes" />.</exception>
         <exception cref="T:System.ArgumentNullException">The <paramref name="nonce" />, <paramref name="ciphertext" />, <paramref name="tag" />, or <paramref name="plaintext" /> parameter is <see langword="null" />.</exception>
-        <exception cref="T:System.Security.Cryptography.CryptographicException">The tag value could not be verified, or the decryption operation otherwise failed.</exception>
+        <exception cref="T:System.Security.Cryptography.CryptographicException">The decryption operation failed. Prior to .NET 8, indicates the tag value could not be verified.</exception>
+        <exception cref="T:System.Security.Cryptography.AuthenticationTagMismatchException">.NET 8 and later versions: the tag value could not be verified.</exception>
       </Docs>
     </Member>
     <Member MemberName="Decrypt">
@@ -373,7 +374,8 @@ The <paramref name="nonce" /> parameter length is not permitted by <see cref="P:
 -or-
 
 The <paramref name="tag" /> parameter length is not permitted by <see cref="P:System.Security.Cryptography.AesGcm.TagByteSizes" />.</exception>
-        <exception cref="T:System.Security.Cryptography.CryptographicException">The tag value could not be verified, or the decryption operation otherwise failed.</exception>
+        <exception cref="T:System.Security.Cryptography.CryptographicException">The decryption operation failed. Prior to .NET 8, indicates the tag value could not be verified.</exception>
+        <exception cref="T:System.Security.Cryptography.AuthenticationTagMismatchException">.NET 8 and later versions: the tag value could not be verified.</exception>
       </Docs>
     </Member>
     <Member MemberName="Dispose">

xml/System.Security.Cryptography/ChaCha20Poly1305.xml

@@ -183,7 +183,8 @@ The <paramref name="nonce" /> parameter length is not 12 bytes (96 bits).
 
 The <paramref name="tag" /> parameter length is not 16 bytes (128 bits).</exception>
         <exception cref="T:System.ArgumentNullException">The <paramref name="nonce" />, <paramref name="ciphertext" />, <paramref name="tag" />, or <paramref name="plaintext" /> parameter is <see langword="null" />.</exception>
-        <exception cref="T:System.Security.Cryptography.CryptographicException">The tag value could not be verified, or the decryption operation otherwise failed.</exception>
+        <exception cref="T:System.Security.Cryptography.CryptographicException">The decryption operation failed. Prior to .NET 8, indicates the tag value could not be verified.</exception>
+        <exception cref="T:System.Security.Cryptography.AuthenticationTagMismatchException">.NET 8 and later versions: the tag value could not be verified.</exception>
       </Docs>
     </Member>
     <Member MemberName="Decrypt">
@@ -238,7 +239,8 @@ The <paramref name="nonce" /> parameter length is not 12 bytes (96 bits).
 -or-
 
 The <paramref name="tag" /> parameter length is not 16 bytes (128 bits).</exception>
-        <exception cref="T:System.Security.Cryptography.CryptographicException">The tag value could not be verified, or the decryption operation otherwise failed.</exception>
+        <exception cref="T:System.Security.Cryptography.CryptographicException">The decryption operation failed. Prior to .NET 8, indicates the tag value could not be verified.</exception>
+        <exception cref="T:System.Security.Cryptography.AuthenticationTagMismatchException">.NET 8 and later versions: the tag value could not be verified.</exception>
       </Docs>
     </Member>
     <Member MemberName="Dispose">