Re: Unicode in passwords

From: Norbert Lindenberg <>
Date: Tue, 6 Oct 2015 10:39:08 -0700

> On Oct 6, 2015, at 6:04 , Philippe Verdy <> wrote:
> In those conditions, normalizing the Java string will leave those lone surrogates (and non-characters) as is, or will throw an exception, depending on the API used. Java strings do not have any implied encoding (their "char" members are also unrestricted 16-bit code units, they have some basic properties but only in BMP, defined in the builtin Character class API: properties for non-BMP characters require using a library to provide them, such as ICU4J).

The Java Character class was enhanced in J2SE 5.0 to support supplementary characters. The String class was specified to be based on UTF-16, and string processing throughout the platform was updated to support supplementary characters based on UTF-16. These changes have been available to the public since 2004. For a summary, see

Received on Tue Oct 06 2015 - 12:40:11 CDT

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