[jboss-jira] [JBoss JIRA] (ELY-302) Add SHA-512-256 to list of algorithms for digest passwords and SASL digest

[David Lloyd (JIRA)]

David Lloyd created ELY-302:
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             Summary: Add SHA-512-256 to list of algorithms for digest passwords and SASL digest
                 Key: ELY-302
                 URL: https://issues.jboss.org/browse/ELY-302
             Project: WildFly Elytron
          Issue Type: Enhancement
          Components: Passwords, SASL
            Reporter: David Lloyd


[RFC 7616|http://www.rfc-editor.org/rfc/rfc7616.txt] was released, indicating that SHA-512-256 is a supported algorithm for digest HTTP mechanisms.  We need support for that algorithm as a password.  We also then should add a corresponding SASL variant to the DIGEST suite.

There is no MessageDigest for SHA-512-256.  This can be accomplished by truncating the output of SHA-512 to 256 bits (32 bytes).  A wrapper MessageDigest could be created, or the ability to arbitrarily truncate the digest could be added to the DIGEST mechanism.



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