contentmd5 azure block / chunk download

Question

因此，我可以通过以下方式阻止/块将大文件上传到Azure存储：

// upload blocks
blockBlob.PutBlock(blockId: blockID,
                   blockData: new MemoryStream(buffer),
                   contentMD5: blockHash,
                   accessCondition: null,
                   options: new BlobRequestOptions()
                   {
                      StoreBlobContentMD5 = true,
                      UseTransactionalMD5 = true
                   },
                   operationContext: null);

// set hash for the entire blob
blockBlob.Properties.ContentMD5 = fileHash;

// commit all uploaded blobs
blockBlob.PutBlockList(blockList: blockIDs,
                       accessCondition: null,
                       options: new BlobRequestOptions()
                       {
                          StoreBlobContentMD5 = true,
                          UseTransactionalMD5 = true
                       },
                       operationContext: null);

现在，我试图通过以下方式再次在块/块中下载这个大文件：

// download blocks
blockBlob.DownloadRangeToByteArray(target: blobContents, 
                                   index: 0, 
                                   blobOffset: startPosition, 
                                   length: blobContents.Length, 
                                   accessCondition: null, 
                                   options: new BlobRequestOptions()
                                   {
                                      UseTransactionalMD5 = true
                                   }, 
                                   operationContext: null);

我在整个文件的blob属性MD5哈希中找到了，而不是单独的块/块。我可以在下载所有块/块后验证这一点，即

if (fileHash == blob.Properties.ContentMD5){ /* download was good */ }

为了节省下载时间，有没有办法获取每个块/块的MD5哈希值，以便在下载新块/块之前对其进行比较？

思想？