0xff can never appear in a valid UTF-8 bytestream.  U+FFFF is not a  
valid Unicode character.  (So says my copy of The Unicode Standard 5.0.)

-Kyle H

On May 10, 2007, at 10:49 AM, Nelson Bolyard wrote:

> j.fabre wrote:
>
>> The common name´s length si 51, and there are the hexadecimal  
>> print of
>> the commonName :
>
> [snip]
>> <20 --> >
>> <41 -->A>
>> <47 -->G>
>> <ff ff ff dc -->Ü> ---------------------> Here is the problem, but  
>> this
>> character could be coded in UTF-8, since I know that UTF-8 chars  
>> can be
>> coded using until 4 bytes.
>> <45 -->E>
>> <52 -->R>
>> <4f -->O>
>> <20 --> >
>
> The character ff ff ff dc is NOT the character for umlauted U.
> It is the Unicode code value for a character that is not valid UTF8.
> when converting from another character set/encoding to UTF8, and
> characters that cannot be converted get replaced with that.
> But If I recall correctly, that is not the UTF8 value for that  
> character.
> That is the UCS4 or UCS2 Unicode value.
> So I suspect there's some character set conversion problem going on.
>
>
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