CDRIVER-3352: Improve parameter names for C# libmongocrypt wrapper

Author: vincentkam

bindings/cs/MongoDB.Libmongocrypt.Test/BasicTests.cs

@@ -230,7 +230,7 @@ public void EncryptExplicitStepwise()
                 using (var context = cryptClient.StartExplicitEncryptionContext(
                     key: key,
                     encryptionAlgorithm: EncryptionAlgorithm.AEAD_AES_256_CBC_HMAC_SHA_512_Deterministic,
-                    command: testData))
+                    message: testData))
                 {
                     var (state, binaryProduced, operationProduced) = ProcessState(context);
                     state.Should().Be(CryptContext.StateCode.MONGOCRYPT_CTX_NEED_MONGO_KEYS);

bindings/cs/MongoDB.Libmongocrypt/CryptClient.cs

@@ -93,9 +93,9 @@ public CryptContext StartEncryptionContext(string db, byte[] command)
         /// </summary>
         /// <param name="key">The key.</param>
         /// <param name="encryptionAlgorithm">The encryption algorithm.</param>
-        /// <param name="command">The BSON command.</param>
+        /// <param name="message">The BSON message.</param>
         /// <returns>A encryption context. </returns>
-        public CryptContext StartExplicitEncryptionContext(Guid key, EncryptionAlgorithm encryptionAlgorithm, byte[] command)
+        public CryptContext StartExplicitEncryptionContext(Guid key, EncryptionAlgorithm encryptionAlgorithm, byte[] message)
         {
             ContextSafeHandle handle = Library.mongocrypt_ctx_new(_handle);
 
@@ -116,10 +116,10 @@ public CryptContext StartExplicitEncryptionContext(Guid key, EncryptionAlgorithm
 
             unsafe
             {
-                fixed (byte* p = command)
+                fixed (byte* p = message)
                 {
                     IntPtr ptr = (IntPtr)p;
-                    using (PinnedBinary pinned = new PinnedBinary(ptr, (uint)command.Length))
+                    using (PinnedBinary pinned = new PinnedBinary(ptr, (uint)message.Length))
                     {
                         handle.Check(_status, Library.mongocrypt_ctx_explicit_encrypt_init(handle, pinned.Handle));
                     }
@@ -134,9 +134,9 @@ public CryptContext StartExplicitEncryptionContext(Guid key, EncryptionAlgorithm
         /// </summary>
         /// <param name="keyAltName">The alternative key name.</param>
         /// <param name="encryptionAlgorithm">The algorithm.</param>
-        /// <param name="command">The BSON command.</param>
+        /// <param name="message">The BSON message.</param>
         /// <returns>A encryption context. </returns>
-        public CryptContext StartExplicitEncryptionContext(byte[] keyAltName, EncryptionAlgorithm encryptionAlgorithm, byte[] command)
+        public CryptContext StartExplicitEncryptionContext(byte[] keyAltName, EncryptionAlgorithm encryptionAlgorithm, byte[] message)
         {
             ContextSafeHandle handle = Library.mongocrypt_ctx_new(_handle);
             unsafe
@@ -155,10 +155,10 @@ public CryptContext StartExplicitEncryptionContext(byte[] keyAltName, Encryption
 
             unsafe
             {
-                fixed (byte* p = command)
+                fixed (byte* p = message)
                 {
                     IntPtr ptr = (IntPtr)p;
-                    using (PinnedBinary pinned = new PinnedBinary(ptr, (uint)command.Length))
+                    using (PinnedBinary pinned = new PinnedBinary(ptr, (uint)message.Length))
                     {
                         handle.Check(_status, Library.mongocrypt_ctx_explicit_encrypt_init(handle, pinned.Handle));
                     }