是. sha1算法始终为相同的输入产生相同的值；这就是哈希算法的重点.默认情况下，它们都还返回一个40个字符的小写十六进制转储.

Yes. The sha1 algorithm always produces the same value for the same input; that's the whole point of a hashing algorithm. They also both return a 40-character lowercase hex dump by default.