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In my Program, I load a file to my Server using Ftp out of a Java Program and then I compare the MD5-sum.
The upload works fine, and I get the same md5 sums. But the php-version has a “0” before the same md5-sum. Why is this so?
Php: 0e9e9399840d9a9368b53d3df98a6a2f
Java: e9e9399840d9a9368b53d3df98a6a2f
They’re the same, it’s just PHP has padded the value with an extra 0 in front so it’s always 16 characters.
Think of the hash as a number in hexadecimal – it can be padded out so it’s always the same number of digits (because it’s never greater than 16 digits), but it doesn’t have to be. It’s a bit like comparing the numbers
209and0209.