ssh-publickey: sign_and_send_pubkey: no mutual signature supported
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- Dominant language
- Go
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Description
The ssh-publickey module lacks support for `rsa-sha2-256` and `rsa-sha2-512`, relying instead on `rsa-sha`. Notably, `rsa-sha` is deprecated in the most recent version of the OpenSSH client, resulting in connection failures.
```shell
$ ssh -V
OpenSSH_9.3p1 Ubuntu-1ubuntu3, OpenSSL 3.0.10 1 Aug 2023
$ ssh 127.0.0.1
sign_and_send_pubkey: no mutual signature supported
root@127.0.0.1: Permission denied (publickey).
```
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