crypto-js vs md5 vs bcrypt vs sha1 vs sha256
Cryptographic Libraries in JavaScript Comparison
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What's Cryptographic Libraries in JavaScript?

Cryptographic libraries in JavaScript provide developers with tools to implement secure hashing, encryption, and decryption functionalities. These libraries are essential for protecting sensitive data, ensuring data integrity, and implementing secure authentication mechanisms. Each library has its own strengths and use cases, making it crucial for developers to choose the right one based on their specific security requirements and performance considerations.

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crypto-js9,114,01216,130487 kB2762 years agoMIT
md58,860,90591221.4 kB13-BSD-3-Clause
bcrypt2,194,1517,6351.11 MB21a month agoMIT
sha1693,207107-010 years agoBSD-3-Clause
sha25670,36047-410 years ago-
Feature Comparison: crypto-js vs md5 vs bcrypt vs sha1 vs sha256

Purpose

  • crypto-js:

    Crypto-js is a general-purpose cryptographic library that provides a wide range of cryptographic algorithms, including hashing and encryption, making it suitable for various security needs in web applications.

  • md5:

    MD5 is primarily used for checksums and data integrity verification rather than security. It is fast and suitable for non-critical applications where security is not a concern.

  • bcrypt:

    Bcrypt is specifically designed for hashing passwords securely. It incorporates a salt to protect against rainbow table attacks and allows for adjustable work factors to increase hashing time as hardware improves.

  • sha1:

    SHA-1 is a hashing algorithm that was widely used for data integrity but is now considered weak against collision attacks. It is still used in some legacy systems but not recommended for new applications.

  • sha256:

    SHA-256 is a cryptographic hash function that is part of the SHA-2 family. It is widely used for secure data hashing and is considered secure against collision attacks.

Security

  • crypto-js:

    Crypto-js provides a range of algorithms, but the security of its implementations depends on the chosen algorithm and usage. Developers must ensure proper implementation to avoid vulnerabilities.

  • md5:

    MD5 is not secure for cryptographic purposes due to known vulnerabilities, including collision attacks. It should not be used for password hashing or sensitive data.

  • bcrypt:

    Bcrypt is highly secure for password storage due to its adaptive nature, making it resistant to brute-force attacks. It is the recommended choice for securely hashing passwords.

  • sha1:

    SHA-1 is also considered insecure for cryptographic purposes due to vulnerabilities that allow for collision attacks. It is not recommended for new applications requiring strong security.

  • sha256:

    SHA-256 is currently considered secure and is widely used in security protocols. It is resistant to collision attacks and is suitable for secure hashing.

Performance

  • crypto-js:

    Crypto-js offers a good balance of performance and security, but the speed varies depending on the algorithm used. It is generally fast for most common cryptographic operations.

  • md5:

    MD5 is very fast, making it suitable for applications where performance is a priority, but this speed comes at the cost of security.

  • bcrypt:

    Bcrypt is slower than other hashing algorithms due to its design, which is intentional to enhance security. This makes it less suitable for high-performance applications where speed is critical.

  • sha1:

    SHA-1 is relatively fast compared to SHA-256, but its performance is not as critical as its security weaknesses. It is faster than SHA-256 but should be avoided for secure applications.

  • sha256:

    SHA-256 is slower than MD5 and SHA-1 but provides better security. It is suitable for applications where security is more important than speed.

Use Cases

  • crypto-js:

    Crypto-js is suitable for applications that require both encryption and hashing, such as securing sensitive data in transit or at rest.

  • md5:

    MD5 is often used for checksums and data integrity verification in non-security-critical applications, such as file downloads or data validation.

  • bcrypt:

    Bcrypt is ideal for securely hashing user passwords in authentication systems, ensuring that even if the database is compromised, the passwords remain protected.

  • sha1:

    SHA-1 can be found in legacy systems and applications that have not yet migrated to more secure hashing algorithms, but it should be avoided in new projects.

  • sha256:

    SHA-256 is widely used in blockchain technology, digital signatures, and secure communications, making it a go-to choice for applications requiring strong data integrity.

Community Support

  • crypto-js:

    Crypto-js has a large user base and active community, providing ample documentation and examples for various cryptographic needs.

  • md5:

    MD5 is well-known and has extensive legacy documentation, but its use is declining due to security concerns, leading to less community focus on new developments.

  • bcrypt:

    Bcrypt has strong community support and is widely adopted for password hashing, with many resources available for implementation and best practices.

  • sha1:

    SHA-1 has significant historical documentation, but due to its vulnerabilities, community support is shifting towards more secure alternatives like SHA-256.

  • sha256:

    SHA-256 is widely supported and has extensive documentation, with a strong community advocating for its use in modern security practices.

How to Choose: crypto-js vs md5 vs bcrypt vs sha1 vs sha256
  • crypto-js:

    Select crypto-js for a versatile library that supports various cryptographic algorithms, including AES and HMAC, suitable for both encryption and hashing needs in web applications.

  • md5:

    Use md5 for legacy systems or non-security-critical applications where speed is more important than security, as it is fast but vulnerable to collision attacks.

  • bcrypt:

    Choose bcrypt for password hashing, as it is specifically designed to be slow to mitigate brute-force attacks, making it ideal for securely storing user passwords.

  • sha1:

    Opt for sha1 if you need a faster hashing algorithm than SHA-256, but be aware that it is considered weak against collision attacks and is not recommended for security-sensitive applications.

  • sha256:

    Choose sha256 for a secure hashing algorithm that is widely used in various security protocols and provides a good balance between performance and security.

Similar Npm Packages to crypto-js

crypto-js is a widely used JavaScript library designed for cryptographic operations. It provides a variety of cryptographic algorithms, including hashing, encryption, and decryption, making it a versatile tool for developers looking to implement security features in their applications. While crypto-js is a robust solution for cryptographic needs, there are several alternatives available in the JavaScript ecosystem. Here are a few notable ones:

  • bcrypt is a popular library specifically designed for hashing passwords. It implements the bcrypt hashing algorithm, which is known for its strength and resistance to brute-force attacks. bcrypt is an excellent choice for developers who need to securely store user passwords, as it provides built-in salting and hashing mechanisms that enhance security. If your primary focus is on password hashing and user authentication, bcrypt is a reliable option.
  • node-forge is a comprehensive library that provides a wide range of cryptographic functionalities, including encryption, decryption, signing, and verification. It is designed to work in both Node.js and browser environments, making it a versatile choice for developers. node-forge supports various cryptographic standards and protocols, making it suitable for applications that require more than just basic cryptographic operations. If you need a full-featured cryptographic library that can handle complex tasks, node-forge is a strong candidate.
  • sjcl (Stanford Javascript Crypto Library) is another lightweight library that focuses on providing secure cryptographic functions. It includes various algorithms for encryption, decryption, hashing, and key derivation. sjcl is designed to be easy to use and integrate into web applications, making it a good choice for developers who need a straightforward cryptographic solution. If you are looking for a simple yet effective library for basic cryptographic tasks, sjcl is worth considering.

To explore how crypto-js compares with bcrypt, node-forge, and sjcl, check out the comparison: Comparing bcrypt vs crypto-js vs node-forge vs sjcl.

Similar Npm Packages to md5

md5 is a widely used hashing library in the JavaScript ecosystem that allows developers to generate MD5 hashes of strings. MD5, which stands for Message-Digest Algorithm 5, produces a 128-bit hash value, typically represented as a 32-character hexadecimal number. While MD5 is popular for checksums and data integrity verification, it is not recommended for security-sensitive applications due to its vulnerabilities to collision attacks. Here are some alternatives that provide stronger hashing mechanisms:

  • bcrypt is a password hashing library designed to securely hash passwords. It incorporates a salt to protect against rainbow table attacks and allows for adjustable work factors, making it more resistant to brute-force attacks. Bcrypt is widely regarded as a secure choice for password storage and is recommended for applications that require strong password protection.
  • crypto-js is a comprehensive library that provides various cryptographic algorithms, including hashing functions like MD5, SHA-1, and SHA-256. It is a versatile library that can be used for both hashing and encryption, making it suitable for applications that require a broader range of cryptographic functionalities. If you need multiple hashing algorithms or encryption capabilities, crypto-js is an excellent choice.
  • sha1 is a hashing library that implements the SHA-1 algorithm. While SHA-1 is more secure than MD5, it is also considered weak against collision attacks and is not recommended for security-critical applications. However, it can still be useful for non-security-related hashing tasks where a stronger hash than MD5 is needed.
  • sha256 is a library that implements the SHA-256 hashing algorithm, which is part of the SHA-2 family. SHA-256 is widely regarded as secure and is commonly used in various security applications and protocols, including SSL/TLS and blockchain technologies. If you need a strong and secure hashing algorithm, sha256 is a suitable choice.

For a detailed comparison of these hashing libraries, check out the following link: Comparing bcrypt vs crypto-js vs md5 vs sha1 vs sha256.

Similar Npm Packages to bcrypt

bcrypt is a popular library used for hashing passwords in Node.js applications. It provides a robust and secure way to store passwords by applying a hashing algorithm that makes it difficult for attackers to retrieve the original password, even if they gain access to the hashed values. The library is widely used in authentication systems to ensure that user credentials are stored securely.

While bcrypt is a reliable choice for password hashing, there are alternatives that developers might consider:

  • bcrypt-nodejs is a pure JavaScript implementation of the bcrypt password hashing function. It was created to provide a solution for environments where native bindings for bcrypt are not available. While it offers similar functionality, it may not be as performant as the original bcrypt library, especially in production environments. However, it can be a good choice for projects that require a purely JavaScript solution without the need for native compilation.

  • bcryptjs is another pure JavaScript implementation of bcrypt. It is designed to be lightweight and easy to use, making it a popular choice for developers who want to avoid the complexities of native bindings. bcryptjs provides a similar API to the original bcrypt library, allowing for seamless integration into existing projects. It is particularly useful in environments where native modules are not supported, such as serverless functions or certain frontend frameworks.

To see how bcrypt compares with bcrypt-nodejs and bcryptjs, check out the comparison: Comparing bcrypt vs bcrypt-nodejs vs bcryptjs.

Similar Npm Packages to sha1

sha1 is a simple and lightweight JavaScript library for generating SHA-1 hashes. It is commonly used for creating unique identifiers, checksums, and ensuring data integrity in various applications. While sha1 provides a straightforward solution for SHA-1 hashing, there are several alternatives in the JavaScript ecosystem that offer similar or extended functionalities. Here are a few notable alternatives:

  • crypto-js is a widely-used library that provides a comprehensive set of cryptographic algorithms, including SHA-1, SHA-256, AES, and more. It is designed for both Node.js and browser environments, making it versatile for various applications. If you need a more extensive cryptographic toolkit beyond just SHA-1, crypto-js is an excellent choice, offering a range of hashing and encryption functionalities.
  • hash.js is another library that focuses on hashing algorithms, including SHA-1, SHA-256, and others. It is designed to be lightweight and efficient, making it suitable for applications that require hashing without the overhead of additional features. If you are looking for a minimalistic library that provides essential hashing capabilities, hash.js is a solid option.
  • sha.js is a pure JavaScript implementation of SHA-1 and SHA-256 hashing algorithms. It is designed to be fast and efficient while maintaining a small footprint. If you specifically need a library that focuses on SHA hashing without any additional cryptographic features, sha.js is a great choice for straightforward hashing needs.

To compare these packages and see how they stack up against each other, check out the following link: Comparing crypto-js vs hash.js vs sha.js vs sha1.

Similar Npm Packages to sha256

sha256 is a popular JavaScript library used for generating SHA-256 hashes. It provides a straightforward API for hashing strings, making it a useful tool for applications that require secure data integrity checks, such as password hashing or data verification. While sha256 is a reliable choice for hashing, there are several alternatives in the JavaScript ecosystem that also provide SHA-256 hashing capabilities. Here are a few notable options:

  • crypto-js is a widely-used library that provides a collection of cryptographic algorithms, including SHA-256. It is a comprehensive library that supports various encryption and hashing algorithms, making it suitable for applications that require more than just hashing. If you need a versatile library that can handle multiple cryptographic functions along with SHA-256, crypto-js is an excellent choice.
  • js-sha256 is a lightweight library specifically designed for SHA-256 hashing. It offers a simple and efficient way to generate SHA-256 hashes without the overhead of additional cryptographic functions. If your primary requirement is to hash data using SHA-256 and you prefer a minimalistic approach, js-sha256 is a great option that focuses solely on this algorithm.
  • sha.js is another library that provides SHA hashing algorithms, including SHA-256. It is designed for performance and is often used in Node.js applications. sha.js is a good choice if you are looking for a fast and efficient implementation of SHA-256 hashing, particularly in server-side applications.

For a detailed comparison of these libraries, check out the link: Comparing crypto-js vs js-sha256 vs sha.js vs sha256.

README for crypto-js

crypto-js

JavaScript library of crypto standards.

Discontinued

Active development of CryptoJS has been discontinued. This library is no longer maintained.

Nowadays, NodeJS and modern browsers have a native Crypto module. The latest version of CryptoJS already uses the native Crypto module for random number generation, since Math.random() is not crypto-safe. Further development of CryptoJS would result in it only being a wrapper of native Crypto. Therefore, development and maintenance has been discontinued, it is time to go for the native crypto module.

Node.js (Install)

Requirements:

  • Node.js
  • npm (Node.js package manager)
npm install crypto-js

Usage

ES6 import for typical API call signing use case:

import sha256 from 'crypto-js/sha256';
import hmacSHA512 from 'crypto-js/hmac-sha512';
import Base64 from 'crypto-js/enc-base64';

const message, nonce, path, privateKey; // ...
const hashDigest = sha256(nonce + message);
const hmacDigest = Base64.stringify(hmacSHA512(path + hashDigest, privateKey));

Modular include:

var AES = require("crypto-js/aes");
var SHA256 = require("crypto-js/sha256");
...
console.log(SHA256("Message"));

Including all libraries, for access to extra methods:

var CryptoJS = require("crypto-js");
console.log(CryptoJS.HmacSHA1("Message", "Key"));

Client (browser)

Requirements:

  • Node.js
  • Bower (package manager for frontend)
bower install crypto-js

Usage

Modular include:

require.config({
    packages: [
        {
            name: 'crypto-js',
            location: 'path-to/bower_components/crypto-js',
            main: 'index'
        }
    ]
});

require(["crypto-js/aes", "crypto-js/sha256"], function (AES, SHA256) {
    console.log(SHA256("Message"));
});

Including all libraries, for access to extra methods:

// Above-mentioned will work or use this simple form
require.config({
    paths: {
        'crypto-js': 'path-to/bower_components/crypto-js/crypto-js'
    }
});

require(["crypto-js"], function (CryptoJS) {
    console.log(CryptoJS.HmacSHA1("Message", "Key"));
});

Usage without RequireJS

<script type="text/javascript" src="path-to/bower_components/crypto-js/crypto-js.js"></script>
<script type="text/javascript">
    var encrypted = CryptoJS.AES(...);
    var encrypted = CryptoJS.SHA256(...);
</script>

API

See: https://cryptojs.gitbook.io/docs/

AES Encryption

Plain text encryption

var CryptoJS = require("crypto-js");

// Encrypt
var ciphertext = CryptoJS.AES.encrypt('my message', 'secret key 123').toString();

// Decrypt
var bytes  = CryptoJS.AES.decrypt(ciphertext, 'secret key 123');
var originalText = bytes.toString(CryptoJS.enc.Utf8);

console.log(originalText); // 'my message'

Object encryption

var CryptoJS = require("crypto-js");

var data = [{id: 1}, {id: 2}]

// Encrypt
var ciphertext = CryptoJS.AES.encrypt(JSON.stringify(data), 'secret key 123').toString();

// Decrypt
var bytes  = CryptoJS.AES.decrypt(ciphertext, 'secret key 123');
var decryptedData = JSON.parse(bytes.toString(CryptoJS.enc.Utf8));

console.log(decryptedData); // [{id: 1}, {id: 2}]

List of modules

  • crypto-js/core
  • crypto-js/x64-core
  • crypto-js/lib-typedarrays
  • crypto-js/md5
  • crypto-js/sha1
  • crypto-js/sha256
  • crypto-js/sha224
  • crypto-js/sha512
  • crypto-js/sha384
  • crypto-js/sha3
  • crypto-js/ripemd160
  • crypto-js/hmac-md5
  • crypto-js/hmac-sha1
  • crypto-js/hmac-sha256
  • crypto-js/hmac-sha224
  • crypto-js/hmac-sha512
  • crypto-js/hmac-sha384
  • crypto-js/hmac-sha3
  • crypto-js/hmac-ripemd160
  • crypto-js/pbkdf2
  • crypto-js/aes
  • crypto-js/tripledes
  • crypto-js/rc4
  • crypto-js/rabbit
  • crypto-js/rabbit-legacy
  • crypto-js/evpkdf
  • crypto-js/format-openssl
  • crypto-js/format-hex
  • crypto-js/enc-latin1
  • crypto-js/enc-utf8
  • crypto-js/enc-hex
  • crypto-js/enc-utf16
  • crypto-js/enc-base64
  • crypto-js/mode-cfb
  • crypto-js/mode-ctr
  • crypto-js/mode-ctr-gladman
  • crypto-js/mode-ofb
  • crypto-js/mode-ecb
  • crypto-js/pad-pkcs7
  • crypto-js/pad-ansix923
  • crypto-js/pad-iso10126
  • crypto-js/pad-iso97971
  • crypto-js/pad-zeropadding
  • crypto-js/pad-nopadding

Release notes

4.2.0

Change default hash algorithm and iteration's for PBKDF2 to prevent weak security by using the default configuration.

Custom KDF Hasher

Blowfish support

4.1.1

Fix module order in bundled release.

Include the browser field in the released package.json.

4.1.0

Added url safe variant of base64 encoding. 357

Avoid webpack to add crypto-browser package. 364

4.0.0

This is an update including breaking changes for some environments.

In this version Math.random() has been replaced by the random methods of the native crypto module.

For this reason CryptoJS might not run in some JavaScript environments without native crypto module. Such as IE 10 or before or React Native.

3.3.0

Rollback, 3.3.0 is the same as 3.1.9-1.

The move of using native secure crypto module will be shifted to a new 4.x.x version. As it is a breaking change the impact is too big for a minor release.

3.2.1

The usage of the native crypto module has been fixed. The import and access of the native crypto module has been improved.

3.2.0

In this version Math.random() has been replaced by the random methods of the native crypto module.

For this reason CryptoJS might does not run in some JavaScript environments without native crypto module. Such as IE 10 or before.

If it's absolute required to run CryptoJS in such an environment, stay with 3.1.x version. Encrypting and decrypting stays compatible. But keep in mind 3.1.x versions still use Math.random() which is cryptographically not secure, as it's not random enough.

This version came along with CRITICAL BUG.

DO NOT USE THIS VERSION! Please, go for a newer version!

3.1.x

The 3.1.x are based on the original CryptoJS, wrapped in CommonJS modules.

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