blake2b 0.1.1

A dart implement of blake2b referenced from blacknet.

blake2b

A dart implement of blake2b referenced from blacknet and it's source code.

Getting Started

// test blake2
// what we expect
// bip = mean fury common entire zoo cash fragile dilemma retire appear insect park
// hash = A064E3C0E7D606F7EE717718FD23B943328ACD8CC20DE29B4053FC1C9D3888F6
// bytes = -96 100 -29 -64 -25 -42 6 -9 -18 113 119 24 -3 35 -71 67 50 -118 -51 -116 -62 13 -30 -101 64 83 -4 28 -99 56 -120 -10

Int8List expect = Int8List.fromList([-96,100,-29,-64,-25,-42,6,-9,-18,113,119,24,-3,35,-71,67,50,-118,-51,-116,-62,13,-30,-101,64,83,-4,28,-99,56,-120,-10]);
Uint8List uexpect = Utils.int8list2uint8list(expect);

var bip = "mean fury common entire zoo cash fragile dilemma retire appear insect park";
var upperCaseHash = "A064E3C0E7D606F7EE717718FD23B943328ACD8CC20DE29B4053FC1C9D3888F6";

Int8List message = Int8List(bip.length);
for (int i = 0; i < bip.length; i++) {
    message[i] = bip.codeUnitAt(i);
}
print("Int8List message = $message");

// hash from bytes to bytes
var umessage = Utils.int8list2uint8list(message);
print("Uint8List message = $umessage");

var bytes = Blake2bHash.hash(umessage, 0, umessage.length);
print("hash bytes = $bytes");
assert(_int8ListEqual(bytes, uexpect));

// hash from hex string to hex string
var lowerCaseHash = Blake2bHash.hashHexString2HexString(HEX.encode(message));
print("lowerCaseHash = $lowerCaseHash");
assert(lowerCaseHash == upperCaseHash.toLowerCase());

// hash from utf8 string to hex string
lowerCaseHash = Blake2bHash.hashUtf8String2HexString(bip);
print("lowerCaseHash = $lowerCaseHash");
assert(lowerCaseHash == upperCaseHash.toLowerCase());