Share your code. npm Orgs help your team discover, share, and reuse code. Create a free org »

    privatedatacommunicationprotocolpublic

    node-privatedatacommunicationprotocol

    Implementation in NodeJs of privatedatacommunicationprotocol from Google https://code.google.com/p/privatedatacommunicationprotocol/

    needed for https://developers.google.com/ad-exchange/rtb/response-guide/decrypt-price

    Installation

    	npm install privatedatacommunicationprotocol
    

    Example

    	var assert = require("assert");
    	var PDCP = require("privatedatacommunicationprotocol");
    
    	var e_key = new Buffer([
    	  0xb0, 0x8c, 0x70, 0xcf, 0xbc, 0xb0, 0xeb, 0x6c,
    	  0xab, 0x7e, 0x82, 0xc6, 0xb7, 0x5d, 0xa5, 0x20,
    	  0x72, 0xae, 0x62, 0xb2, 0xbf, 0x4b, 0x99, 0x0b,
    	  0xb8, 0x0a, 0x48, 0xd8, 0x14, 0x1e, 0xec, 0x07
    	]);
    	var i_key = new Buffer([
    	  0xbf, 0x77, 0xec, 0x55, 0xc3, 0x01, 0x30, 0xc1,
    	  0xd8, 0xcd, 0x18, 0x62, 0xed, 0x2a, 0x4c, 0xd2,
    	  0xc7, 0x6a, 0xc3, 0x3b, 0xc0, 0xc4, 0xce, 0x8a,
    	  0x3d, 0x3b, 0xbd, 0x3a, 0xd5, 0x68, 0x77, 0x92
    	]);
    
    	var iv = new Buffer([
    	  0xd8, 0xcd, 0x18, 0x62, 0xed, 0x2a, 0x4c, 0xd2,
    	  0x3d, 0x3b, 0xbd, 0x3a, 0xd5, 0x68, 0x77, 0x92
    	]);
    
    	var price = 15000000;
    
    	// PDCP.crypt = function(e_key, i_key, price, iv)
    	// iv		initialization vector (16 bytes - unique to the impression)
    	// e_key	encryption key (32 bytes - provided at account set up)
    	// i_key	integrity key (32 bytes - provided at account set up)
    	// price	(8 bytes - in micros of account currency)
    	var enc_price = PDCP.crypt(e_key, i_key, price, iv);
    
    
    	// PDCP.decrypt = function(e_key, i_key, final_message)
    	// e_key	encryption key, 32 bytes - provided at account set up
    	// i_key	integrity key, 32 bytes - provided at account set up
    	// final_message	38 characters web-safe base64 encoded
    	var dec_price = PDCP.decrypt(e_key, i_key, enc_price);
    
    	assert.equal(price, dec_price);
    

    Keywords

    none

    install

    npm i privatedatacommunicationprotocol

    Downloadsweekly downloads

    43

    version

    0.2.1

    license

    none

    repository

    githubgithub

    last publish

    collaborators

    • avatar