By Chris McCord
Write code that writes code with Elixir macros. Macros make metaprogramming attainable and outline the language itself. during this e-book, you'll tips on how to use macros to increase the language with speedy, maintainable code and percentage performance in methods you by no means suggestion attainable. You'll notice how you can expand Elixir together with your personal firstclass good points, optimize functionality, and create domain-specific languages.
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Additional info for Metaprogramming Elixir
A security policy is a document that defines an organization’s standards in regard to security. The policy usually includes the assets an organization considers valuable, potential threats to those assets, and, in general terms, measures that must be taken to protect these resources. ■ Certificate policy. A certificate policy is a document that describes the measures an organization will use to validate the identity of a certificate’s subject. Validation might require a requestor-provided account and password combination submitted to the organization’s directory or photo identification and submission to a background check through a registration authority (RA) process.
This Key Usage value is used when an RSA key is used for key management. ■ Data Encipherment. The public key can be used to directly encrypt data, rather than exchanging a symmetric key for data encryption. ■ Key Agreement. The public key can be used for key transport for pro cesses such as symmetric key exchange. This value is used when a DiffieHellman key is used for key management. 24 Part I: Foundations of PKI ■ Key Cert Sign. nature. ■ CRL Sign. ■ Encipher Only. This value is used in conjunction with the Key Agree ment Key Usage extension.
Certificates Certificates provide the foundation of a public key infrastructure (PKI). These are electronic credentials, issued by a certification authority (CA), that are associated with a public and private key pair. A certificate is a digitally signed collection of information roughly 2 to 4 KB in size. A certificate typically includes the following: ■ Information about the user, computer, or network device that holds the private key corresponding to the issued certificate. The user, computer, or network device is referred to as the subject of the certificate.