Cryptor - AES Blob

Class Name	AesBlob
Implements	Cryptor
Extends	Logger
Source	aes-blob.ts
Examples	aes-blob.spec.ts

The AES Blob cryptor encodes and decodes content with aes-cbc.

---

constructor

new AesBlob(options);

Creates a new AesBlob instance.

Parameters

1. options - AesBlobOptions: options for AesBlob constructor.

   • dfs - DfsInterface: DfsInterface instance
   • log - Function (optional): function to use for logging: (message, level) => {...}
   • logLevel - LogLevel (optional): messages with this level will be logged with log
   • logLog - LogLogInterface (optional): container for collecting log messages
   • logLogLevel - LogLevel (optional): messages with this level will be pushed to logLog

Returns

AesBlob instance

Example

const aesBlob = new AesBlob({
    dfs
  });

---

getCryptoInfo

cryptor.getCryptoInfo(originator);

create new crypto info for this cryptor

Parameters

1. originator - string: originator or context of the encryption

Returns

CryptoInfo: details about encryption for originator with this cryptor.

Example

const cryptor = new AesBlob();
const cryptoInfo = cryptor.getCryptoInfo('0x123');

---

generateKey

cryptor.generateKey();

generate key for cryptor/decryption

Returns

Promise resolves to string: key used for encryption.

Example

const cryptor = new AesBlob();
const cryptoInfo = cryptor.generateKey();

---

encrypt

cryptor.encrypt(message, options);

‘encrypt’ a message (serializes message)

Parameters

1. message - string: message which should be encrypted

2. options - any: cryptor options

   • key - string: key used for encryption

Returns

Promise resolves to string: encrypted message.

Example

const cryptor = new AesBlob();
const cryptoInfo = cryptor.encrypt('Hello World', { key: '0x12345' });

---

decrypt

cryptor.decrypt(message, options);

‘decrypt’ a message (deserializes message)

Parameters

1. message - Buffer: message which should be decrypted

2. options - any: cryptor options

   • key - string: key used for encryption

Returns

Promise resolves to any: decrypted message.

Example

const cryptor = new AesBlob();
const cryptoInfo = cryptor.decrypt('afeweq41f1e61e3f', { key: '0x12345' });