Function getKeyAlgos

lib/client.js:2155–2174

(client, key, serverSigAlgs)

}

function getKeyAlgos(client, key, serverSigAlgs) {
  switch (key.type) {
    case 'ssh-rsa':
      if (client._protocol._compatFlags & COMPAT.IMPLY_RSA_SHA2_SIGALGS) {
        if (!Array.isArray(serverSigAlgs))
          serverSigAlgs = ['rsa-sha2-256', 'rsa-sha2-512'];
        else
          serverSigAlgs = ['rsa-sha2-256', 'rsa-sha2-512', ...serverSigAlgs];
      }
      if (Array.isArray(serverSigAlgs)) {
        if (serverSigAlgs.indexOf('rsa-sha2-256') !== -1)
          return [['rsa-sha2-256', 'sha256']];
        if (serverSigAlgs.indexOf('rsa-sha2-512') !== -1)
          return [['rsa-sha2-512', 'sha512']];
        if (serverSigAlgs.indexOf('ssh-rsa') === -1)
          return [];
      }
      return [['ssh-rsa', 'sha1']];
  }
}

module.exports = Client;