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Algorithm negotiation fail #231

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ytzyangting opened this issue Oct 23, 2022 · 1 comment
Closed

Algorithm negotiation fail #231

ytzyangting opened this issue Oct 23, 2022 · 1 comment
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support asking for help using the library

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@ytzyangting
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The algorithm negotiation fail. How to modify it according to the error message，
Thank you！

Algorithm negotiation fail: algorithmName="kex" jschProposal="curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group14-sha256,ext-info-c" serverProposal="diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1"
@mwiede
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mwiede commented Oct 23, 2022

Do you have access to the server? It's using weak algorithms see https://github.blog/2017-02-27-crypto-deprecation-notice/

If you can't change the server you can modify default jsch configuration as in #37

@mwiede mwiede added the support asking for help using the library label Nov 15, 2022
@mwiede mwiede closed this as completed Nov 15, 2022
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@mwiede @ytzyangting