I am using the following to generate an MD5 hash on a file downloaded from Google drive:
The MD5 hash from Google drive does not match the local file MD5 that I download from Google drive.
I have generated the hash on the same file in the Assets folder that was uploaded and get a different hash.
I have copied the file from the Assets folder to File.DirDefaultExternal and get a different hash on all 3 files.
I downloaded the file from Google drive to the desktop and the hash generated in Windows is the same as the hash from Google drive.
What am I missing here?
I want to compare the hash of the Google drive file to my local file to determine if they are in sync.
B4X:
Sub getLocalChecksum(sPath As String, fileNameArg As String) As String
Dim iStream As InputStream = File.OpenInput(sPath, fileNameArg)
Dim buffer(File.Size(sPath,fileNameArg)) As Byte
Dim count As Int = iStream.ReadBytes(buffer, 0, buffer.length)
Dim data(buffer.Length) As Byte
Dim md As MessageDigest
data = md.GetMessageDigest(buffer, "MD5")
Dim bc As ByteConverter
Dim checksum As String = bc.HexFromBytes(data)
Return checksum
End SubThe MD5 hash from Google drive does not match the local file MD5 that I download from Google drive.
I have generated the hash on the same file in the Assets folder that was uploaded and get a different hash.
I have copied the file from the Assets folder to File.DirDefaultExternal and get a different hash on all 3 files.
I downloaded the file from Google drive to the desktop and the hash generated in Windows is the same as the hash from Google drive.
What am I missing here?
I want to compare the hash of the Google drive file to my local file to determine if they are in sync.