kd7*_*kd7 20
using (FileStream stream = File.OpenRead(@"C:\File.ext"))
{
using (SHA1Managed sha = new SHA1Managed())
{
byte[] checksum = sha.ComputeHash(stream);
string sendCheckSum = BitConverter.ToString(checksum)
.Replace("-", string.Empty);
}
}
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定期计算校验和.