Android PHP Base64 decode with different results

Question

I have a big problem : I don't have the same result if I do base64_decode($string); in php or if I do Base64.decode(string); in android.

Example : with this string : WWhiZWWSZpNlaGSTnpljZQ==

In php, result is Yhbee’f“ehd“ž™ce .

In android, the result is Yhbee�f�ehd��ce

I think there is an encoding problem, but I don't know where, the output of my PHP server is ISO-8859-1, I don't find how to tell to Base64.decode to use this type of encoding.

Can you help me please. Thx for answers.

PS : I can't touch the PHP script.

Possible duplicate of stackoverflow.com/questions/8340715/… or stackoverflow.com/questions/6837650/…. — shadyyx
– shadyyx, Commented Mar 29, 2013 at 14:48

atha samid · Accepted Answer · 2020-10-17 19:59:17Z

1

I think this will help you, Don't use .toString() use this instead

var str = "WWhiZWWSZpNlaGSTnpljZQ=="
var decoded = String(Base64.decode(str, Base64.NO_WRAP))

I know this to late to answer :-D

answered Oct 17, 2020 at 19:59

atha samid

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shadyyx · Accepted Answer · 2013-03-29 15:13:45Z

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You should try this:

 Base64.decode(content.getBytes("ISO-8859-1"), Base64.DEFAULT);

By this You convert the input String content to ISO-8859-1 encoded byte stream that will be decoded from base64.

edited Mar 29, 2013 at 15:13

answered Mar 29, 2013 at 14:52

shadyyx

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1 Comment

Turkhan Badalov Over a year ago

Guys, it is worth to note that Base64.DEFAULT flag will append '\n' at the end of the result. To avoid this behavior, use Base64.NO_WRAP

Halcyon · Accepted Answer · 2013-03-29 14:42:05Z

0

I think the decode is fine, but Android isn't applying the right encoding (probably utf-8).

Does this content appear on an HTML page? If so, are you properly enforcing the ISO-8859-1 encoding?

Alternatively, you could also switch to UTF-8.

answered Mar 29, 2013 at 14:42

Halcyon

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