util/crypto/utils_crypto library

Functions

arrayContainsArray(List? superset, List? subset, {bool? some = false}) → bool?

Returns TRUE if the first specified array contains all elements from the second one. FALSE otherwise.

fromAscii(String? stringValue) → String?

Should be called to get hex representation (prefixed by 0x) of ascii string

fromUtf8(String? stringValue) → String?

Should be called to get hex representation (prefixed by 0x) of utf8 string

getBinarySize(String? str) → int?

Get the binary size of a string

intToBuffer(int? i) → Uint8List?

Converts an int to a Uint8List

intToHex(int? i) → String?

Converts a int into a hex String

isHexPrefixed(String? str) → bool?

isHexString(String? value, {int? length = 0}) → bool?

Is the string a hex string.

padToEven(String? value) → String?

Pads a String to have an even length

remove0x(String? hex) → String?

stripHexPrefix(String? str) → String?

toAscii(String? hexString) → String?

Should be called to get ascii from it's hex representation

toBuffer(dynamic v) → Uint8List?

Attempts to turn a value into a Uint8List. As input it supports Uint8List, String, int, null, BigInt method.

toUtf8(String? hexString) → String?

Should be called to get utf8 from it's hex representation