Class: ChaCha20
Implementation of the ChaCha20 cipher.
Table of contents
Constructors
Methods
Constructors
constructor
• new ChaCha20(key, nonce, counter?)
Create a new instance of ChaCha20.
Parameters
| Name | Type | Default value | Description |
|---|---|---|---|
key | Uint8Array | undefined | The key. |
nonce | Uint8Array | undefined | The nonce. |
counter | number | 0 | Counter. |
Methods
encrypt
▸ encrypt(data): Uint8Array
Encrypt the data.
Parameters
| Name | Type | Description |
|---|---|---|
data | Uint8Array | The source data to encrypt. |
Returns
Uint8Array
The encrypted data.
decrypt
▸ decrypt(data): Uint8Array
Decrypt the data.
Parameters
| Name | Type | Description |
|---|---|---|
data | Uint8Array | The source data to decrypt. |
Returns
Uint8Array
The decrypted data.
keyStream
▸ keyStream(length): Uint8Array
Create a keystream of the given length.
Parameters
| Name | Type | Description |
|---|---|---|
length | number | The length to create the keystream. |
Returns
Uint8Array
The keystream.