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@aws-crypto/material-management

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@aws-crypto/material-management

The AWS Encryption SDK for JavaScript is a client-side encryption library designed to make it easy for everyone to encrypt and decrypt data using industry standards and best practices. It uses a data format compatible with the AWS Encryption SDKs in other

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What is @aws-crypto/material-management?

@aws-crypto/material-management is a package provided by AWS that offers tools for managing cryptographic materials. It is part of the AWS Encryption SDK and is used to handle encryption keys and cryptographic operations in a secure and efficient manner.

What are @aws-crypto/material-management's main functionalities?

Keyring Management

This feature allows you to create and manage keyrings, which are collections of cryptographic keys used for encryption and decryption. The code sample demonstrates how to create a KMS keyring using AWS KMS keys.

const { KmsKeyringNode } = require('@aws-crypto/client-node');

const keyring = new KmsKeyringNode({
  generatorKeyId: 'arn:aws:kms:us-west-2:123456789012:key/abcd-1234-efgh-5678',
  keyIds: ['arn:aws:kms:us-west-2:123456789012:key/ijkl-9012-mnop-3456']
});

Cryptographic Materials Management

This feature provides tools for managing cryptographic materials, including encryption and decryption contexts. The code sample shows how to create a client with a specified keyring and encryption context.

const { getClient } = require('@aws-crypto/client-node');

const client = getClient({
  keyring,
  encryptionContext: { purpose: 'example' }
});

Encryption and Decryption

This feature allows you to perform encryption and decryption operations using the managed cryptographic materials. The code sample demonstrates how to encrypt and decrypt data using a keyring.

const { encrypt, decrypt } = require('@aws-crypto/client-node');

const plaintext = 'Hello, World!';

async function encryptData() {
  const { result } = await encrypt(keyring, plaintext);
  return result;
}

async function decryptData(ciphertext) {
  const { plaintext } = await decrypt(keyring, ciphertext);
  return plaintext;
}

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Package last updated on 30 Jul 2024

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