Remove data:[<media type>][;base64], from the data URI prior to hashi…

…ng. All we want is the base64 string.

Updated the address accordingly in the Fun & Games section of the README.md.

README.md

@@ -17,7 +17,7 @@ This project turns any file into a mnemonic phrase allowing users to generate Bi
 This was simply a fun project created as a proof-of-concept. As I learn more about Bitcoin I become tempted to tinker and experiment. This is the result of one of those experiments.
 
 #### Fun & Games
-Taking inspiration from Andreas' use of steganography in [this image](https://twitter.com/aantonop/status/603701870482300928?lang=en) I have sent 0.01 BTC to the following address, [bc1q4cxvtlfq8ee7jz33rnz2evtguvme30dwtywmwf](https://blockstream.info/address/bc1q4cxvtlfq8ee7jz33rnz2evtguvme30dwtywmwf). This address was generated using the aforementioned image along with a BIP39 passphrase. If you manage to claim it, congrats! I'd also love to know how you managed to do it so please feel free to reach out.
+Taking inspiration from Andreas' use of steganography in [this image](https://twitter.com/aantonop/status/603701870482300928?lang=en) I have sent 0.01 BTC to the following address, [bc1qcyrndzgy036f6ax370g8zyvlw86ulawgt0246r](https://blockstream.info/address/bc1qcyrndzgy036f6ax370g8zyvlw86ulawgt0246r). This address was generated using the aforementioned image along with a BIP39 passphrase. If you manage to claim it, congrats! I'd also love to know how you managed to do it so please feel free to reach out.
 
 #### Contributing
 1. Fork it (<https://github.com/coreyphillips/bitimage>)

index.html

@@ -137,11 +137,11 @@ <h2>Turn Any Image, Document or Audio File Into A BIP39 Mnemonic</h2>
 
 						var file = picFile.result;
 
-						//Replace experimental MIME type strings.
-						if (file.includes("data:application/x-")) file = picFile.result.replace("data:application/x-", "data:application/");
-						if (file.includes("data:video/x-")) file = picFile.result.replace("data:video/x-", "data:video/");
-						if (file.includes("data:image/x-")) file = picFile.result.replace("data:image/x-", "data:image/");
-						if (file.includes("data:audio/x-")) file = picFile.result.replace("data:audio/x-", "data:audio/");
+						//Remove data:[<media type>][;base64], we only want the base64 <data> string.
+                        var n = 0;
+                        var word = ",";
+						if (file.includes(word)) n = file.lastIndexOf(word);
+						if (n > 0) file = file.slice(n+word.length, file.length);
 
 						//Create SHA256 hash of the file
 						var hash = Bitcoin.crypto.sha256(file);