How to use jsthemis - 10 common examples
To help you get started, we’ve selected a few jsthemis examples, based on popular ways it is used in public projects.
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cossacklabs / themis / tools / js / jsthemis / scell_seal_string_echo.js View on Github 
if (process.argv.length < 5 || process.argv.length > 6) {
console.log('Usage: ');
process.exit(1);
}
var command = process.argv[2];
var key = new Buffer(process.argv[3]);
var message = process.argv[4];
var context = undefined;
if(process.argv.length === 6){
var context = new Buffer(process.argv[5]);
}
if (command === "enc"){
var message_buf = new Buffer(message);
var encrypter = new jsthemis.SecureCellSeal(key);
if (context){
var result = encrypter.encrypt(message_buf, context);
} else {
var result = encrypter.encrypt(message_buf);
}
console.log(result.toString('base64'));
process.exit(0)
} else if (command === 'dec'){
var decrypter = new jsthemis.SecureCellSeal(key);
var decoded_message = new Buffer(message, 'base64');
if(context){
var result = decrypter.decrypt(decoded_message, context);
} else {
var result = decrypter.decrypt(decoded_message);
}
console.log(result.toString('ascii'));if(process.argv.length === 6){
var context = new Buffer(process.argv[5]);
}
if (command === "enc"){
var message_buf = new Buffer(message);
var encrypter = new jsthemis.SecureCellSeal(key);
if (context){
var result = encrypter.encrypt(message_buf, context);
} else {
var result = encrypter.encrypt(message_buf);
}
console.log(result.toString('base64'));
process.exit(0)
} else if (command === 'dec'){
var decrypter = new jsthemis.SecureCellSeal(key);
var decoded_message = new Buffer(message, 'base64');
if(context){
var result = decrypter.decrypt(decoded_message, context);
} else {
var result = decrypter.decrypt(decoded_message);
}
console.log(result.toString('ascii'));
process.exit(0)
} else {
console.log('Wrong command, use "enc" or "dec"');
process.exit(1)
}const fs = require('fs');
const jsthemis = require('jsthemis');
if (process.argv.length !== 6) {
console.log('Usage: ');
process.exit(1);
}
var command = process.argv[2];
var private_key = fs.readFileSync(process.argv[3])
var public_key = fs.readFileSync(process.argv[4])
var message = process.argv[5];
var smessage = jsthemis.SecureMessage(private_key, public_key);
if (command === "enc"){
var message_buf = new Buffer(message);
var result = smessage.encrypt(message_buf);
console.log(result.toString('base64'));
process.exit(0)
} else if (command === 'dec'){
var decoded_message = new Buffer(message, 'base64');
var result = smessage.decrypt(decoded_message);
console.log(result.toString('ascii'));
process.exit(0)
} else if (command === 'sign') {
var message_buf = new Buffer(message);
var result = smessage.sign(message_buf);
console.log(result.toString('base64'));
process.exit(0)const fs = require('fs');
if (process.argv.length !== 2 && process.argv.length !== 4) {
console.log('Usage: node keygen.js ');
process.exit(1);
}
if (process.argv.length === 2) {
var private_key_path = 'key';
var public_key_path = 'key.pub';
} else if (process.argv.length === 4){
var private_key_path = process.argv[2];
var public_key_path = process.argv[3];
}
keypair = new jsthemis.KeyPair();
fs.writeFileSync(private_key_path, keypair.private(), {'mode': 0o400});
fs.writeFileSync(public_key_path, keypair.public());var jsthemis = require('jsthemis');
if (process.argv.length !== 6) {
console.log('Usage: ');
process.exit(1);
}
var command = process.argv[2];
var key = new Buffer(process.argv[3]);
var message = process.argv[4];
var context = new Buffer(process.argv[5]);
if (command === "enc"){
var message_buf = new Buffer(message);
var encrypted = new jsthemis.SecureCellContextImprint(key);
var result = encrypted.encrypt(message_buf, context);
console.log(result.toString('base64'));
process.exit(0)
} else if (command === 'dec'){
var decrypter = new jsthemis.SecureCellContextImprint(key);
var decoded_message = new Buffer(message, 'base64');
var result = decrypter.decrypt(decoded_message, context);
console.log(result.toString('ascii'));
process.exit(0)
} else {
console.log('Wrong command, use "enc" or "dec"');
process.exit(1)
}process.exit(1);
}
var command = process.argv[2];
var key = new Buffer(process.argv[3]);
var message = process.argv[4];
var context = new Buffer(process.argv[5]);
if (command === "enc"){
var message_buf = new Buffer(message);
var encrypted = new jsthemis.SecureCellContextImprint(key);
var result = encrypted.encrypt(message_buf, context);
console.log(result.toString('base64'));
process.exit(0)
} else if (command === 'dec'){
var decrypter = new jsthemis.SecureCellContextImprint(key);
var decoded_message = new Buffer(message, 'base64');
var result = decrypter.decrypt(decoded_message, context);
console.log(result.toString('ascii'));
process.exit(0)
} else {
console.log('Wrong command, use "enc" or "dec"');
process.exit(1)
}if (process.argv.length < 5 || process.argv.length > 6) {
console.log('Usage: ');
process.exit(1);
}
var command = process.argv[2];
var key = new Buffer(process.argv[3]);
var message = process.argv[4];
var context = undefined;
if(process.argv.length === 6){
var context = new Buffer(process.argv[5]);
}
if (command === "enc"){
var message_buf = new Buffer(message);
var encrypter = new jsthemis.SecureCellTokenProtect(key);
if (context){
var result = encrypter.encrypt(message_buf, context);
} else {
var result = encrypter.encrypt(message_buf);
}
console.log([result.data.toString('base64'), result.token.toString('base64')].join(','));
process.exit(0)
} else if (command === 'dec'){
var splitted_message = message.split(',');
var decrypter = new jsthemis.SecureCellTokenProtect(key);
var decoded_message = new Buffer(splitted_message[0], 'base64');
var decoded_token = new Buffer(splitted_message[1], 'base64');
if(context){
var result = decrypter.decrypt(decoded_message, decoded_token, context);
} else {
var result = decrypter.decrypt(decoded_message, decoded_token);var context = new Buffer(process.argv[5]);
}
if (command === "enc"){
var message_buf = new Buffer(message);
var encrypter = new jsthemis.SecureCellTokenProtect(key);
if (context){
var result = encrypter.encrypt(message_buf, context);
} else {
var result = encrypter.encrypt(message_buf);
}
console.log([result.data.toString('base64'), result.token.toString('base64')].join(','));
process.exit(0)
} else if (command === 'dec'){
var splitted_message = message.split(',');
var decrypter = new jsthemis.SecureCellTokenProtect(key);
var decoded_message = new Buffer(splitted_message[0], 'base64');
var decoded_token = new Buffer(splitted_message[1], 'base64');
if(context){
var result = decrypter.decrypt(decoded_message, decoded_token, context);
} else {
var result = decrypter.decrypt(decoded_message, decoded_token);
}
console.log(result.toString('ascii'));
process.exit(0)
} else {
console.log('Wrong command, use "enc" or "dec"');
process.exit(1)
}var addon = require('jsthemis');
if(process.argv.length==5){
command=process.argv[2];
password=new Buffer.from(process.argv[3]);
seal = new addon.SecureCellSeal(password);
if(command=="enc"){
console.log(seal.encrypt(new Buffer.from(process.argv[4])).toString("base64"));
}else if(command=="dec"){
console.log(seal.decrypt(new Buffer.from(process.argv[4], "base64")).toString());
}else{
console.log("usage node secure_cell.js ");
}
}else{
console.log("usage node secure_cell.js ");
}var addon = require('jsthemis');
if(process.argv.length==6){
command=process.argv[2];
private_key=process.argv[3];
peer_public_key=process.argv[4];
sm = new addon.SecureMessage(new Buffer.from(private_key, "base64"), new Buffer.from(peer_public_key, "base64"));
if(command=="enc"){
console.log(sm.encrypt(new Buffer.from(process.argv[5])).toString("base64"));
}else if(command=="dec"){
console.log(sm.decrypt(new Buffer.from(process.argv[5], "base64")).toString());
}else{
console.log("usage node secure_message.js ");
}
}else{
console.log("usage node secure_message.js ");
}jsthemis
Themis is a convenient cryptographic library for data protection.
