a #GChecksumType
the string to compute the checksum of
the length of the string, or -1 if the string is null-terminated.
the checksum as a hexadecimal string, or null if glib.checksum.Checksum.new_ fails for checksum_type. The returned string should be freed with glib.global.gfree when done using it.
Computes the checksum of a string.
The hexadecimal string returned will be in lower case.