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https://issues.apache.org/jira/browse/SSHD-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Wolf closed SSHD-1105.
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Fix Version/s: 2.7.0
Assignee: Thomas Wolf
Resolution: Fixed
> Use all possible signatures for a public key type in public key authentication
> ------------------------------------------------------------------------------
>
> Key: SSHD-1105
> URL: https://issues.apache.org/jira/browse/SSHD-1105
> Project: MINA SSHD
> Issue Type: Improvement
> Affects Versions: 2.5.1
> Reporter: Lyor Goldstein
> Assignee: Thomas Wolf
> Priority: Minor
> Fix For: 2.7.0
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> The current code iterates over the keys the user provided and then attempts
> to find a +single+ matching signature factory. However, for some key types
> (e.g., RSA) there is more than one possible signature - e.g., {{ssh-rsa,
> rsa-sha2-256, rsa-sha2-512}}. The code should try +all+ matching signature
> factories in the same +order+ as the user defined them.
> {code:java|title=Pseudo code}
> for (KeyPair kp : userKeys) {
> Collection<String> aliases = KeyUtils.getAllKeyTypeAliases(kp);
> for (SignatureFactory factory : userSignatures) {
> // NOTE: need to check how not to confuse ...-cert@openssh,com..
> key type aliases
> if (aliases.contains(factory.getName()) {
> tryPublicKeyAuth(factory, kp);
> }
> }
> }
> {code}
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