Utilities class
Properties
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hashCode
→ int
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The hash code for this object.
no setterinherited
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runtimeType
→ Type
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A representation of the runtime type of the object.
no setterinherited
Methods
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noSuchMethod(Invocation invocation)
→ dynamic
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Invoked when a nonexistent method or property is accessed.
inherited
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toString()
→ String
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A string representation of this object.
inherited
Static Methods
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bigIntToBytes(BigInt num)
→ Uint8List
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BigInt to Bytes
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bigIntToHex(BigInt num)
→ String
-
number to 32b hex
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bits2int(Uint8List bytes)
→ BigInt
-
RFC6979: ensure ECDSA msg is X bytes.
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bits2int_modN(Uint8List bytes)
→ BigInt
-
int2octets can't be used; pads small msgs
-
bytesToBigInt(Uint8List bytes)
→ BigInt
-
Bytes to BigInt
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bytesToHex(Uint8List b)
→ String
-
Bytes to Hex
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concatBytes(List<Uint8List> arrs)
→ Uint8List
-
Concatenate Uint8List Bytes
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crv(BigInt x)
→ BigInt
-
x³ + ax + b weierstrass formula; a=0
-
fe(BigInt n)
→ bool
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is field element (invertible)
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ge(BigInt n)
→ bool
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is group element
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generateRandomBigInt(BigInt min, BigInt max, [Random? random])
→ BigInt
-
-
hexToBytes(String hex)
→ Uint8List
-
Hexadecimal to bytes
-
hmacDrbg(HmacFnSync hashFuncSync)
→ HmacDrbgFunction
-
HMAC-DRBG
-
inverse(BigInt num, [BigInt? md])
→ BigInt
-
-
matchLength(Uint8List a, [int? number])
→ Uint8List
-
-
mod(BigInt a, [BigInt? b])
→ BigInt
-
Mod division
-
moreThanHalfN(BigInt n)
→ bool
-
if a number is bigger than CURVE.n/2
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padhBigInt(BigInt n, int pad)
→ String
-
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padhInt(int n, int pad)
→ String
-
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precompute()
→ List<Point>
-
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prepSig(Uint8List message, BigInt privateKey, {RandomBytesFunc? randomBytesFunc, bool? lowS, })
→ (Uint8List, K2SigFunc)
-
-
randomBytes(int length)
→ Uint8List
-
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sliceBytes(Uint8List b, int from, int to)
→ BigInt
-
Slice bytes and convert to BigInt
-
sqrt(BigInt n)
→ BigInt
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