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getchenge/aes.js

Created May 19, 2016 09:16
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node aes cryptor
Raw
aes.js
const crypto = require('crypto');
const cryptor = {
encrypt(cryptkey, iv, cleardata) {
cryptkey = crypto.createHash('sha256').update(cryptkey).digest();
const encipher = crypto.createCipheriv('aes-256-cbc', cryptkey, iv);
let encryptdata = encipher.update(cleardata, 'utf8', 'binary');
encryptdata += encipher.final('binary');
return new Buffer(encryptdata, 'binary').toString('base64');
},
decrypt(cryptkey, iv, encryptdata) {
cryptkey = crypto.createHash('sha256').update(cryptkey).digest();
encryptdata = new Buffer(encryptdata, 'base64').toString('binary');
const decipher = crypto.createDecipheriv('aes-256-cbc', cryptkey, iv);
let decoded = decipher.update(encryptdata, 'binary', 'utf8');
decoded += decipher.final('utf8');
return decoded;
}
}
@rodolfobandeira
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rodolfobandeira commented Mar 10, 2018 •
edited
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@kukukukikii How do you calculate the iv in this case?

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