apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C
E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
 apt-get update && apt-get install -y gnupg2
apt-get update && apt-get install -y gnupg
验证 --
>apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C
#输出--------Begin--------
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
Executing: /tmp/apt-key-gpghome.OWu4RQ3MWv/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C
gpg: key 871920D1991BC93C: public key "Ubuntu Archive Automatic Signing Key (2018) <ftpmaster@ubuntu.com>" imported
gpg: Total number processed: 1
gpg:               imported: 1
#输出--------End--------
> apt-get update
#执行成功
备选方案( 我没有试过 )
wget https://http.kali.org/kali/pool/main/k/kali-archive-keyring/kali-archive-keyring_2022.1_all.deb --no-check-certificate
sudo apt install ./kali-archive-keyring_2022.1_all.deb
 CSDN.100%解决gnupg, gnupg2 and gnupg1 do not seem to be installed