openssl-genpkey:tldr:7928b
openssl-genpkey: Generate an RSA private key of 2048 bits, saving it to a specific file.
$ openssl genpkey -algorithm rsa -pkeyopt rsa_keygen_bits:${2048} -out ${filename-key}
try on your machine
The command you provided is used to generate an RSA key pair using the OpenSSL tool. Here is the breakdown of the command:
openssl: It is the command to run the OpenSSL tool.genpkey: It is the OpenSSL command to generate a private/public key pair.-algorithm rsa: It specifies that RSA algorithm will be used for key generation.-pkeyopt rsa_keygen_bits:${2048}: It sets the number of bits in the RSA key to 2048. This determines the strength and size of the key. Generally, a larger key size provides stronger encryption but may require more computational resources.-out ${filename-key}: It specifies the output file name where the generated private key will be saved.${filename-key}is a placeholder that needs to be replaced with the desired filename.
Overall, the command generates an RSA key pair with a key size of 2048 bits and saves the private key to a specified file.
This explanation was created by an AI. In most cases those are correct. But please always be careful and
never run a command you are not sure if it is safe.