DartChacha20 class
Chacha20 implemented in pure Dart.
Recommendation
Usually you should use Cryptography.chacha20:
final cipher = Cryptography.instance.chacha20()
- Inheritance
-
- Object
- Cipher
- StreamingCipher
- Chacha20
- DartChacha20
Constructors
- DartChacha20({required MacAlgorithm macAlgorithm})
-
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- macAlgorithm → MacAlgorithm
-
Message authentication code (MacAlgorithm) used by the cipher.
final
- nonceLength → int
-
Number of bytes in the nonce ("Initialization Vector", "IV", "salt").
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- secretKeyLength → int
-
Number of bytes in the SecretKey.
no setterinherited
Methods
-
decrypt(
SecretBox secretBox, {required SecretKey secretKey, List< int> aad = const <int>[], int keyStreamIndex = 0}) → Future<List< int> > -
Decrypts a ciphertext.
override
-
encrypt(
List< int> clearText, {required SecretKey secretKey, List<int> ? nonce, List<int> aad = const <int>[], int keyStreamIndex = 0}) → Future<SecretBox> -
Encrypts a cleartext.
override
-
newNonce(
) → List< int> -
Generates a new nonce with the correct length (nonceLength).
inherited
-
newSecretKey(
) → Future< SecretKey> -
Generates a new SecretKey with the correct length (secretKeyLength).
inherited
-
newSecretKeyFromBytes(
List< int> bytes) → Future<SecretKey> -
Constructs a new SecretKey from the bytes.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Methods
-
chachaRounds(
Uint32List state, int si, Uint32List initialState, {required int rounds, bool addAndXor = true}) → void -
initializeChacha(
Uint32List state, {required List< int> key, required List<int> nonce, int keyStreamIndex = 0}) → void