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Specifying RSA key length or size
RSA keys require a minimum key size of 2048 bits. If unset, the default is 2048 bits for RSA keys and 128 bits for oct keys.
RSA keys require a minimum key size of 2048 bits. If unset, the default is 2048 bits for RSA keys and 128 bits for oct keys.
Read more about using the `size` and other positional command arguments used with `step ca certificate`