openssl genrsa

OpenSSL command to generate RSA private keys.

• Generate an RSA private key of 2048 bits to stdout:

openssl genrsa

• Save an RSA private key of an arbitrary number of bits to the output file:

openssl genrsa -out {output_file.key} {1234}

• Generate an RSA private key and encrypt it with AES256 (you will be prompted for a passphrase):

openssl genrsa {-aes256}

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