[jboss-jira] [JBoss JIRA] (ELY-46) StringPrep encoding of same characters fails

[Jan Kalina (JIRA)]

Jan Kalina created ELY-46:
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             Summary: StringPrep encoding of same characters fails
                 Key: ELY-46
                 URL: https://issues.jboss.org/browse/ELY-46
             Project: WildFly Elytron
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Utils
            Reporter: Jan Kalina
            Assignee: Darran Lofthouse
            Priority: Minor


{{StringPrep.encode()}} throws {{StringIndexOutOfBoundsException}} on encoding same private use characters, but should throw {{IllegalArgumentException}} and only when profile {{FORBID_PRIVATE_USE}} is used.

{quote}
java.lang.StringIndexOutOfBoundsException: String index out of range: 2
	at java.lang.String.charAt(String.java:658)
	at org.wildfly.sasl.util.StringPrep.encode(StringPrep.java:212)
{quote}

Step to reproduce contains 



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