验证数字签名的过程如图2 所示
The process for verifying a digital signature is shown in Figure 2
然后验证数字签名。
在需要处理输入的数字时，首先需要验证它。
When you need to process a number from input, you need to first validate it.
在执行恢复操作后，可以使用这个数字来验证表是否回到相同的状态。
After you perform the restore operation, you can use the count to verify that the table is back to this same state.
在执行恢复操作后，可以使用这个数字来验证表是否回到相同的状态。
After you perform the restore operation, you can use the count to verify that the table is back to this same state.
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