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https://issues.apache.org/jira/browse/SSHD-506?focusedWorklogId=436143&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-436143
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ASF GitHub Bot logged work on SSHD-506:
---------------------------------------

                Author: ASF GitHub Bot
            Created on: 21/May/20 18:33
            Start Date: 21/May/20 18:33
    Worklog Time Spent: 10m 
      Work Description: jvz commented on pull request #132:
URL: https://github.com/apache/mina-sshd/pull/132#issuecomment-632271382


   Yes, these should be added as defaults once they're working. Based on how 
OpenSSH is distributed nowadays, these should the highest priority ciphers. 
I've seen ChaCha20 taking precedence as well, though that's not supported here 
yet (plus requires either Java 11 or Bouncycastle or some other library).


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 436143)
    Time Spent: 1.5h  (was: 1h 20m)

> Add support for aes128/256-gcm ciphers
> --------------------------------------
>
>                 Key: SSHD-506
>                 URL: https://issues.apache.org/jira/browse/SSHD-506
>             Project: MINA SSHD
>          Issue Type: Improvement
>            Reporter: Lyor Goldstein
>            Priority: Major
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> See:
> * [rfc5647|https://tools.ietf.org/html/rfc5647]
> * 
> [draft-igoe-secsh-aes-gcm-01|https://tools.ietf.org/html/draft-igoe-secsh-aes-gcm-01]
> * [OpenSSH v6.2|http://www.openssh.com/txt/release-6.2]
> * [JAVA AES 256 GCM encrypt/decrypt 
> example|https://javainterviewpoint.com/java-aes-256-gcm-encryption-and-decryption/]
>  - especially the usage of {{GCMParameterSpec}} to initialize the cipher
> * [OpenJDK 8 AESCipher.java source 
> code|https://github.com/frohoff/jdk8u-dev-jdk/blob/master/src/share/classes/com/sun/crypto/provider/AESCipher.java]
> ** See also 
> [CipherCore.java|https://github.com/frohoff/jdk8u-dev-jdk/blob/master/src/share/classes/com/sun/crypto/provider/CipherCore.java],
>  
> [FeedbackCipher.java|https://github.com/frohoff/jdk8u-dev-jdk/blob/master/src/share/classes/com/sun/crypto/provider/FeedbackCipher.java],
>  
> [GaloisCounterMode.java|https://github.com/frohoff/jdk8u-dev-jdk/blob/master/src/share/classes/com/sun/crypto/provider/GaloisCounterMode.java]



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