DartAesCtr class

AesCtr implemented in pure Dart.

For examples and more information about the algorithm, see documentation for the class AesCtr.

Inheritance
Implemented types
Mixed-in types

Constructors

DartAesCtr({required MacAlgorithm macAlgorithm, int secretKeyLength = 32, int counterBits = AesCtr.defaultCounterBits, Random? random})
const
DartAesCtr.with128bits({required MacAlgorithm macAlgorithm, int counterBits = AesCtr.defaultCounterBits})
Constructs DartAesCtr with 128-bit secret keys.
const
DartAesCtr.with192bits({required MacAlgorithm macAlgorithm, int counterBits = AesCtr.defaultCounterBits})
Constructs DartAesCtr with 192-bit secret keys.
const
DartAesCtr.with256bits({required MacAlgorithm macAlgorithm, int counterBits = AesCtr.defaultCounterBits})
Constructs DartAesCtr with 256-bit secret keys.
const

Properties

counterBits int
Number of bits occupied by the counter.
final
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
optimalChunkSize int
Length of chunks that are processed in one go.
no setterinherited
random Random?
Random number generator used by newSecretKey for generating secret keys.
finalinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
secretKeyLength int
Number of bytes in the SecretKey.
final

Methods

checkParameters({int? length, required SecretKey secretKey, required int nonceLength, int aadLength = 0, int keyStreamIndex = 0}) → void
Checks parameters for encrypt / decrypt and throws ArgumentError if any is invalid.
inherited
cipherTextLength(int clearTextLength) int
Calculates the length of the ciphertext given a clear text length.
inherited
decrypt(SecretBox secretBox, {required SecretKey secretKey, List<int> aad = const <int>[], int keyStreamIndex = 0, int? chunkSize, Uint8List? possibleBuffer}) Future<List<int>>
Decrypts a ciphertext.
inherited
decryptStream(Stream<List<int>> stream, {required SecretKey secretKey, required List<int> nonce, required FutureOr<Mac> mac, List<int> aad = const [], bool allowUseSameBytes = false}) Stream<List<int>>
Decrypts a Stream of bytes.
inherited
decryptString(SecretBox secretBox, {required SecretKey secretKey}) Future<String>
Calls decrypt and then converts the bytes to a string by using utf8 codec.
inherited
decryptSync(SecretBox secretBox, {required SecretKeyData secretKey, List<int> aad = const <int>[], int keyStreamIndex = 0, Uint8List? possibleBuffer}) List<int>
inherited
encrypt(List<int> clearText, {required SecretKey secretKey, List<int>? nonce, List<int> aad = const <int>[], int keyStreamIndex = 0, int? chunkSize, Uint8List? possibleBuffer}) Future<SecretBox>
Encrypts a cleartext.
inherited
encryptStream(Stream<List<int>> stream, {required SecretKey secretKey, required List<int> nonce, required void onMac(Mac mac), List<int> aad = const [], bool allowUseSameBytes = false}) Stream<List<int>>
Encrypts a Stream of bytes.
inherited
encryptString(String clearText, {required SecretKey secretKey}) Future<SecretBox>
Converts a string to bytes using utf8 codec and then calls encrypt.
inherited
encryptSync(List<int> clearText, {required SecretKeyData secretKey, List<int>? nonce, List<int> aad = const <int>[], int keyStreamIndex = 0, Uint8List? possibleBuffer}) SecretBox
inherited
newCipherWand() Future<CipherWand>
Constructs a CipherWand that uses this implementation and a new random secret key (that can't be extracted).
inherited
newCipherWandFromSecretKey(SecretKey secretKey, {bool allowEncrypt = true, bool allowDecrypt = true}) Future<CipherWand>
Constructs a CipherWand that uses this implementation and the given SecretKey.
inherited
newNonce() List<int>
Generates a new nonce.
inherited
newSecretKey() Future<SecretKey>
Generates a new SecretKey.
inherited
newSecretKeyFromBytes(List<int> bytes) Future<SecretKey>
Constructs a new SecretKey from the bytes.
inherited
newState() DartCipherState
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited
toSync() DartAesCtr
Returns a synchronous, pure Dart implementation of this cipher.
override

Operators

operator ==(Object other) bool
The equality operator.
inherited