[
https://issues.apache.org/jira/browse/SSHD-506?focusedWorklogId=434477&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-434477
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ASF GitHub Bot logged work on SSHD-506:
---------------------------------------
Author: ASF GitHub Bot
Created on: 18/May/20 16:24
Start Date: 18/May/20 16:24
Worklog Time Spent: 10m
Work Description: jvz opened a new pull request #132:
URL: https://github.com/apache/mina-sshd/pull/132
This is a work in progress that does not work yet, and the API changes to
Cipher/CipherInformation are still in flux.
I've been testing this by changing `CoreTestSupportUtils` to set up clients
and servers with only the AES/GCM cipher enabled. So far, I've had varying
problems with getting this to work, and I've been using OpenSSH as a comparison
to no further help. For reference, here are the relevant source files:
* [packet.c](https://github.com/openbsd/src/blob/master/usr.bin/ssh/packet.c)
*
[cipher.c](https://github.com/openbsd/src/blob/master/usr.bin/ssh/cipher.c)
(and maybe a reference to the OpenSSL API to understand all the `EVP_`
functions)
* [kex.c](https://github.com/openbsd/src/blob/master/usr.bin/ssh/kex.c)
(slightly less relevant)
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Issue Time Tracking
-------------------
Worklog Id: (was: 434477)
Remaining Estimate: 0h
Time Spent: 10m
> 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: 10m
> 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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