OpenSSL

Links

• Encrypt a File

  • openssl aes-256-cbc -a -salt -in daten.txt -out secrets.enc

• Decrypt the File

  • openssl aes-256-cbc -d -a -in secrets.enc -out output.txt

• Password Generator

  • openssl rand -base64 18

• Check Certificate

  • openssl s_client -connect example.com:443
  • with SNI
    • openssl s_client -servername example.com -connect example.com:443

• check files

  • openssl req -text -noout -verify -in CSR.csr
    openssl rsa -in privateKey.key -check
    openssl x509 -in certificate.crt -text -noout