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As per xsd, the supported binary types are hexbinary and base64 encoded binary data. http://www.w3schools.com/schema/schema_dtypes_misc.asp
My intention is to read raw byte contents from the memory and serialize it to the xml file. Hence, what data type above would describe the raw byte contents OR do i have to make sure that the raw byte contents are converted to hexdecimal to adhere to one of the 2 data types described above ?
You need to encode the raw data to one of the two data types. This is to keep some random data from messing up the XML format, for example if you had a
<embedded in the data somewhere.You can choose whichever of the two is most convenient for you. The hexadecimal type is easier to write code for but produces a larger file – the ratio of bytes out to bytes in is 2:1, where it is 4:3 for the Base64 encoding. You shouldn’t need to write your own code though, Base64 conversion functions are readily available. Here’s a question that has some code in the answers: How do I base64 encode (decode) in C?
As an example of how the codings differ, here’s the phrase “
The quick brown fox jumps over the lazy dog.” encoded both ways.Hex:
Base64: