Spaß mit Verschlüsselung

Privaten Schlüssel (AES-256/4096bit) erstellen:

openssl genrsa -aes256 -out private.pem 4096

Öffentlichen Schlüssel erstellen:

openssl rsa -in private.pem -outform PEM -pubout -out public

Datei verschlüsseln:

openssl rsautl -pubin -inkey public.pem -encrypt -in klartext.txt -out geheim.txt

Datei entschlüsseln:

openssl rsautl -inkey private.pem -decrypt -in geheim.txt -out klartext2.txt 

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