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Questions tagged [node-crypto]

Node.js crypto module provides cryptographic functionality that includes a set of wrappers for OpenSSL's hash, HMAC, cipher, decipher, sign and verify functions. Use this tag for questions related to Node.js applications/scripts that use crypto module - require('crypto').

should be used on questions related to cryptography api of

The crypto module provides cryptographic functionality that includes a set of wrappers for OpenSSL's hash, HMAC, cipher, decipher, sign and verify functions.

Sample

// Import module.
const crypto = require('crypto');

// Prepare secret.
const secret = 'very secret';

// Create hash.
const hash = crypto.createHmac('sha256', secret)
                   .update('sample information')
                   .digest('hex');

// Print it.
console.log(hash);
// => 5087be71f85fd1ea755742b0fe4eaf5a7c4c25bee5db58f4f7edd1558ed792d0

References

220 questions
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Encrypting and decryping the data using public and private key in node.js?

I have a private key as well as an ethereum public address. I want to encrypt a payload using a user public ethereum address and then give it to that user and then he can decrypt it using his private key. Or i can encrypt it using user public key…
Hsn
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PHP AES Encryption into NodeJS using crypto module

My task is to follow the given and working PHP encryption into node.js. using any node module packages. I dont need to do the decryption because its already existing in their API and i just need to pass the encypted value to their API for decryption…
Makopa
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Node crypto.randomBytes return token from function

Summary I have a function where I use crypto.randomBytes to generate a token and I'm having trouble returning the token from the function. I want to return token from createResetToken. My function is below and I've tried many different things but…
bzlight
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How to verify file using rsa public key

I base my work on this answer I'm trying to verify a file using a public key. Here is my code: var hash = crypto.createHash("sha256"); hash.setEncoding("hex"); var fd = fs.createReadStream("path/to/my/file"); fd.on("end", function() { …
iAmoric
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RSAES-PKCS1- V1_5 Public encryption using NodeJs crypto

I am facing up a bit of a wall trying to send encrypted data over to a remote server using the NodeJs crypto module. According to the API docs, the payload needs to be encrypted using the AES-256 algorithm with randomly generated KEY and IV. The…
bentesha
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Encrypt in Nodejs and Decrypt in PHP

I'm trying to decrypt a string in PHP which was originally encrypted in NodeJS. PHP: openssl_decrypt($raw_id, "aes-128-cbc", "s7UbmJpfm56r6CAC6mz7KVZdRc3Fxc4m", 0, null) This seems to always returnfalse. Encryption in Nodejs: function encrypt(text)…
Appel Flap
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Encrypt in CryptoJS and decrypt in NodeJS Crypto module

I have searched here and googled, but couldn't really find what I am looking for. Looks like this should be pretty easy but few similar threads went unanswered as SO. I am hoping if I get the answer. So I have this fiddle JS Fiddle which encrypts…
Oo-_-oO
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Is it possible to decipher at random position with nodejs crypto?

My understanding is that an AES block cipher in CTR mode allows, in theory, to decipher any location of a large file, without needing to read the whole file. However, I don't see how to do this with nodejs crypto module. I could feed the…
youen
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Node - require('crypto') resolves to { }

I'm using NPM for dependency management and Angular5 with TypeScript. EDIT I haven't installed the crypto package from npm, I am referencing the node inbuilt package. No matter what I do, the "crypto" package resolves as an empty object. I have…
Eric
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Node decrypt content with private key and padding

So, I have a content which needs to be decrypted with private key and padding AES/ECB/PKCS5Padding. I tried many libraries, and many examples, but none of them works. Now, this is the one where I managed to finish to the last steps, but im not sure…
Miljan Vulovic
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Port Node js Crypto.publicEncrypt to Java

I have a the following code in Node.js let publicKeyString = '-----BEGIN PUBLIC KEY-----RANDOMPUBLICKEYOMITTED-----END PUBLIC KEY-----\n'; let publicKey = { key: publicKeyString, padding: 1 } function _encrypt(input,…
swilliz
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Encryption (aes-128-cbc) not matching between python(pycrypto) and nodejs(crypto)

I have got this piece of python code which I need to translate into nodejs. The python code uses pycrypto from encryption. On the nodejs side, I am using the native crypto module. There seems to be a mismatch between the encrypted strings. from…
anishparanjpe
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Node JS crypto "Bad input string"

Want to decrypt a string from file. But when i use nodejs decipher on the string from fs, it gives the error "Bad input string" var fs = require('fs'); var crypto = require('crypto'); function decrypt(text){ var decipher =…
Stweet
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PHP mcrypt_decrypt in NodeJS

I've been hunting the internet for the last 3 hours and I've finally decided to ask the question. Is is possible to decrypt a base64 text string in NodeJS that was encrypted through PHP. I've tried many steps to break it down but nothing I do seems…
Matthew Auld
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node crypto key derivation from a password produces different results with browserify

I'm trying to re-create Symfony's MessageDigestPasswordEncoder in the browser. I have some issue with browserify and crypto module. I try to generate hash with JavaScript but without Node. Here is my code with node: var crypto =…
Dcp
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