zhfnjust
/ nodeJs.crypto.calculatingHash.js
Created
December 7, 2018 12:46
— forked from GuillermoPena/nodeJs.crypto.calculatingHash.js
NodeJS - CRYPTO : How to calculate a hash from file or string
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var crypto = require('crypto') | |
| , fs = require('fs') | |
| // Algorithm depends on availability of OpenSSL on platform | |
| // Another algorithms: 'sha1', 'md5', 'sha256', 'sha512' ... | |
| var algorithm = 'sha1' | |
| , shasum = crypto.createHash(algorithm) | |
| // Updating shasum with file content | |
| var filename = __dirname + "/anything.txt" |
zhfnjust
/ txAdvancedArgs.js
Created
November 16, 2021 16:01
— forked from scrypt-sv/txAdvancedArgs.js
A simple program to compute arguments for contract TxAdvanced
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* | |
| * a simple program to compute arguments for contract TxAdvanced | |
| */ | |
| const bsv = require('bsv') | |
| const BN = bsv.crypto.BN | |
| const pt = bsv.crypto.Point | |
| const G = pt.getG() | |
| const N = pt.getN() |