nothing was advertised, or null when the server accepts no SHA-2 signature at all.
SshAuthOperationImpl.selectRsaSignature
string selectRsaSignature(string offered) staticSelects the RSA SHA-2 signature algorithm for a server's advertised capability list.
Parameters
offered | The comma-separated server-sig-algs value, or an empty string when the server sent no EXT_INFO. |
Returns
The strongest advertised SHA-2 name, the SHA-512 default when