Secure JSON implementation for node.js. SecJSON allow encrypt/decrypt a message or a specific value of an JSON object.
npm install secjson
var secjson = require('secjson');
var options = {
rsa_pub: fs.readFileSync(__dirname + '/test-auth0_rsa.pub'),
pem: fs.readFileSync(__dirname + '/test-auth0.pem'),
encryptionAlgorithm: 'http://tiagomistral.github.io/SecJSON#aes128-cbc',
keyEncryptionAlgorighm: 'http://tiagomistral.github.io/SecJSON#rsa-oaep-mgf1p'
};
secjson.encrypt('content to encrypt', options, function(err, result) {
console.log(result);
});
Result:
{
"EncryptedData":{
"EncryptionMethod":{
"Algorithm":"http://tiagomistral.github.io/SecJSON#aes128-cbc"
},
"KeyInfo":{
"EncryptedKey":{
"EncryptionMethod":{
"Algorithm":"http://tiagomistral.github.io/SecJSON#rsa-oaep-mgf1p",
"DigestMethod":{
"Algorithm":"http://tiagomistral.github.io/SecJSON#sha1"
}
},
"KeyInfo": {
"RetrievalMethod": "MIIEDzCCAveg...[base64 cert]...q3uaLvlAUo="
},
"CipherData":{
"CipherValue":"Ad/F7DvLVc...[encrypted symmetric key]...0bb2VrjXcTZxQ=="
}
}
},
"CipherData":{
"CipherValue":"g5HaGPWeQZ...[encrypted content]...4qYHVr5/pUQgjwVd"
}
}
}
var decryptOptions = {
key: fs.readFileSync(__dirname + '/test-auth0.key')
};
secjson.decrypt(encryptResult, decryptOptions, function(err, dec) {
console.log(dec);
});
Result:
content to encrypt
Encrypt the second book (Sword of Honour) of the object "obj".
var options = {
rsa_pub: fs.readFileSync(__dirname + '/test-auth0_rsa.pub'),
pem: fs.readFileSync(__dirname + '/test-auth0.pem'),
encryptionAlgorithm: 'http://tiagomistral.github.io/SecJSON#aes128-cbc',
keyEncryptionAlgorighm: 'http://tiagomistral.github.io/SecJSON#rsa-oaep-mgf1p'
};
var obj = {
"store": {
"book": [
{
"category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{
"category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
},
{
"category": "fiction",
"author": "Herman Melville",
"title": "Moby Dick",
"isbn": "0-553-21311-3",
"price": 8.99
},
{
"category": "fiction",
"author": "J. R. R. Tolkien",
"title": "The Lord of the Rings",
"isbn": "0-395-19395-8",
"price": 22.99
}
],
"bicycle": {
"color": "red",
"price": 19.95
}
}
};
secjson.jsonEncrypt(obj, 'store.book[1]', options, function(err, encryptJsonObject) {
console.log(JSON.stringify(encryptJsonObject));
});
Result:
{
"store":{
"book":[
{
"category":"reference",
"author":"Nigel Rees",
"title":"Sayings of the Century",
"price":8.95
},
{
"EncryptedData":{
"EncryptionMethod":{
"Algorithm":"http://tiagomistral.github.io/SecJSON#aes128-cbc"
},
"KeyInfo":{
"EncryptedKey":{
"EncryptionMethod":{
"Algorithm":"http://tiagomistral.github.io/SecJSON#rsa-oaep-mgf1p",
"DigestMethod":{
"Algorithm":"http://tiagomistral.github.io/SecJSON#sha1"
}
},
"KeyInfo": {
"RetrievalMethod": "MIIEDzCCAveg...[base64 cert]...q3uaLvlAUo="
},
"CipherData":{
"CipherValue":"nBZdvu0Go+Qp...[encrypted symmetric key]...hoCJR5NVxOdgdJcGClg=="
}
}
},
"CipherData":{
"CipherValue":"1GV6RbZcWRAe...[encrypted content]...IjcyW6sGKAC8IqMsBBesw=="
}
}
},
{
"category":"fiction",
"author":"Herman Melville",
"title":"Moby Dick",
"isbn":"0-553-21311-3",
"price":8.99
},
{
"category":"fiction",
"author":"J. R. R. Tolkien",
"title":"The Lord of the Rings",
"isbn":"0-395-19395-8",
"price":22.99
}
],
"bicycle":{
"color":"red",
"price":19.95
}
}
}
var decryptOptions = {
key: fs.readFileSync(__dirname + '/test-auth0.key')
};
secjson.jsonDecrypt(encryptJsonObject, 'store.book[1]', decryptOptions, function(err, dec) {
console.log(JSON.stringify(dec));
});
Result:
{
"store":{
"book":[
{
"category":"reference",
"author":"Nigel Rees",
"title":"Sayings of the Century",
"price":8.95
},
{
"category":"fiction",
"author":"Evelyn Waugh",
"title":"Sword of Honour",
"price":12.99
},
{
"category":"fiction",
"author":"Herman Melville",
"title":"Moby Dick",
"isbn":"0-553-21311-3",
"price":8.99
},
{
"category":"fiction",
"author":"J. R. R. Tolkien",
"title":"The Lord of the Rings",
"isbn":"0-395-19395-8",
"price":22.99
}
],
"bicycle":{
"color":"red",
"price":19.95
}
}
}
Currently the library supports:
-
EncryptedKey to transport symmetric key using:
-
EncryptedData using:
However, you can fork and implement your own algorithm. The code supports adding more algorithms easily
If you have found a bug or if you have a feature request, please report them at this repository issues section. Please do not report security vulnerabilities on the public GitHub issue tracker. The Responsible Disclosure Program details the procedure for disclosing security issues.