Class ByteUtil

Utility methods to deal with arrays.

Inheritance
Object
ByteUtil
Namespace: Libplanet
Assembly: Libplanet.dll
Syntax
public static class ByteUtil : object

Methods

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CalculateHashCode(Byte[])

Calculates a deterministic hash code from a given bytes. It is mostly used to implement method.

Declaration
public static int CalculateHashCode(byte[] bytes)
Parameters
Type Name Description
Byte[] bytes

A array, which completely determines (or encodes) an object, to calculate a hash code.
Returns
Type Description
Int32

A hash code determined from the given bytes. For equivalent bytes, the same hash code is returned. It must not be null.
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Hex(in ImmutableArray<Byte>)

Renders a hexadecimal string from a array.

Declaration
public static string Hex(in ImmutableArray<byte> bytes)
Parameters
Type Name Description
ImmutableArray<Byte> bytes

A array to renders the corresponding hexadecimal string. It must not be null.
Returns
Type Description
String

A hexadecimal string which encodes the given bytes.
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Hex(Byte[])

Renders a hexadecimal string from a array.

Declaration
public static string Hex(byte[] bytes)
Parameters
Type Name Description
Byte[] bytes

A array to renders the corresponding hexadecimal string. It must not be null.
Returns
Type Description
String

A hexadecimal string which encodes the given bytes.
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ParseHex(String)

Converts a hexadecimal string to a array.

Declaration
public static byte[] ParseHex(string hex)
Parameters
Type Name Description
String hex

A which encodes s in hexadecimal. Its length must be zero or an even number. It must not be null.
Returns
Type Description
Byte[]

A array that the given hex string represented in hexadecimal. It lengthens the half of the given hex string.
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Satisfies(IReadOnlyList<Byte>, Int64)

Tests if a hash digest is less than the target computed for the given difficulty).

Declaration
public static bool Satisfies(IReadOnlyList<byte> hashDigest, long difficulty)
Parameters
Type Name Description
IReadOnlyList<Byte> hashDigest

A hash digest to test.
Int64 difficulty

The difficulty to compute target number.
Returns
Type Description
Boolean

true only if a digest is less than the target computed for the given difficulty). If difficulty is 0 it always returns true.
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TimingSafelyCompare(IReadOnlyList<Byte>, IReadOnlyList<Byte>)

Timing safe comparision of two byte arrays.

Declaration
public static bool TimingSafelyCompare(IReadOnlyList<byte> left, IReadOnlyList<byte> right)
Parameters
Type Name Description
IReadOnlyList<Byte> left

A byte array.
IReadOnlyList<Byte> right

Another byte array.
Returns
Type Description
Boolean

true iff two byte arrays have the exactly same contents.
Remarks

In case of two byte arrays do not have the same length, it tries to keep the timing dependent on the length of the shorter one.