tests/external_rsa_signer.sh - third_party/vboot_reference - Git at Google

 #!/bin/bash

 if [ $# -ne 1 ]; then
   echo "Usage: $0 <private_key_pem_file>"
   echo "Reads data to sign from stdin, encrypted data is output to stdout"
   exit 1
 fi

 openssl rsautl -sign -inkey $1
	#!/bin/bash

	if [ $# -ne 1 ]; then
	echo "Usage: $0 <private_key_pem_file>"
	echo "Reads data to sign from stdin, encrypted data is output to stdout"
	exit 1
	fi

	openssl rsautl -sign -inkey $1