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I am making use of crypto module in my app. It seems like there is crypto module distributed in nodejs http://nodejs.org/api/crypto.html so do i need to do npm install crypto? what is the difference from https://npmjs.org/package/crypto and nodejs api crypto modules?
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Crypto is a module in Node. js which deals with an algorithm that performs data encryption and decryption. This is used for security purpose like user authentication where storing the password in Database in the encrypted form. Crypto module provides set of classes like hash, HMAC, cipher, decipher, sign, and verify.
No, npm is a package manager. You only need to install it once in a system.
To publish and install packages to and from the public npm registry or a private npm registry, you must install Node. js and the npm command line interface using either a Node version manager or a Node installer. We strongly recommend using a Node version manager like nvm to install Node.
If you are using the methods from the Crypto module that comes with NodeJS, i.e. those described on http://nodejs.org/api/crypto.html then no, you do not need to do npm install crypto.
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