Class Chacha20Poly1305

Namespace

Enterprises.Org.BouncyCastle.Crypto.Tls

Assembly

Enterprises.BouncyCastle.Crypto.dll

public class Chacha20Poly1305 : TlsCipher

Inheritance

object

Chacha20Poly1305

Implements

TlsCipher

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Constructors

Chacha20Poly1305(TlsContext)

public Chacha20Poly1305(TlsContext context)

Parameters

context TlsContext

Fields

context

protected readonly TlsContext context

Field Value

TlsContext

decryptCipher

protected readonly ChaCha7539Engine decryptCipher

Field Value

ChaCha7539Engine

decryptIV

protected readonly byte[] decryptIV

Field Value

byte[]

encryptCipher

protected readonly ChaCha7539Engine encryptCipher

Field Value

ChaCha7539Engine

encryptIV

protected readonly byte[] encryptIV

Field Value

byte[]

Methods

CalculateNonce(long, byte[])

protected virtual byte[] CalculateNonce(long seqNo, byte[] iv)

Parameters

seqNo long

iv byte[]

Returns

byte[]

CalculateRecordMac(KeyParameter, byte[], byte[], int, int)

protected virtual byte[] CalculateRecordMac(KeyParameter macKey, byte[] additionalData, byte[] buf, int off, int len)

Parameters

macKey KeyParameter

additionalData byte[]

buf byte[]

off int

len int

Returns

byte[]

DecodeCiphertext(long, byte, byte[], int, int)

public virtual byte[] DecodeCiphertext(long seqNo, byte type, byte[] ciphertext, int offset, int len)

Parameters

seqNo long

type byte

ciphertext byte[]

offset int

len int

Returns

byte[]

EncodePlaintext(long, byte, byte[], int, int)

public virtual byte[] EncodePlaintext(long seqNo, byte type, byte[] plaintext, int offset, int len)

Parameters

seqNo long

type byte

plaintext byte[]

offset int

len int

Returns

byte[]

GenerateRecordMacKey(IStreamCipher)

protected virtual KeyParameter GenerateRecordMacKey(IStreamCipher cipher)

Parameters

cipher IStreamCipher

Returns

KeyParameter

GetAdditionalData(long, byte, int)

protected virtual byte[] GetAdditionalData(long seqNo, byte type, int len)

Parameters

seqNo long

type byte

len int

Returns

byte[]

GetPlaintextLimit(int)

public virtual int GetPlaintextLimit(int ciphertextLimit)

Parameters

ciphertextLimit int

Returns

int

InitRecord(IStreamCipher, bool, long, byte[])

protected virtual KeyParameter InitRecord(IStreamCipher cipher, bool forEncryption, long seqNo, byte[] iv)

Parameters

cipher IStreamCipher

forEncryption bool

seqNo long

iv byte[]

Returns

KeyParameter

UpdateRecordMacLength(IMac, int)

protected virtual void UpdateRecordMacLength(IMac mac, int len)

Parameters

mac IMac

len int

UpdateRecordMacText(IMac, byte[], int, int)

protected virtual void UpdateRecordMacText(IMac mac, byte[] buf, int off, int len)

Parameters

mac IMac

buf byte[]

off int

len int