common code between step-cli and step-ca (go libraries)

 This package provides a collection of go packages used in smallstep
 (https://smallstep.com) products:
 .
  - x509util implements utilities to build X.509 certificates based on JSON
    templates.
  - sshutil implements utilities to build SSH certificates based on JSON
    templates.
  - keyutil implements utilities to generate cryptographic keys.
  - pemutil implements utilities to parse keys and certificates and includes a
    method to serialize keys, X.509 certificates and certific
  - randutil provides methods to generate random strings and salts.
  - tlsutil provides utilities to configure tls clients and servers.
  - jose is a wrapper for gopkg.in/square/go-jose.v2 and implements utilities
    to parse and generate JWT, JWK and JWKSets.
 .
 Documentation: https://pkg.go.dev/mod/go.step.sm/crypto