1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
using System;
using Org.BouncyCastle.Utilities.IO.Compression;
namespace Org.BouncyCastle.Tls.Crypto.Impl
{
public abstract class AbstractTlsCipher
: TlsCipher
{
public abstract int GetCiphertextDecodeLimit(int plaintextLimit);
public abstract int GetCiphertextEncodeLimit(int plaintextLength, int plaintextLimit);
// TODO[api] Remove this method from TlsCipher
public virtual int GetPlaintextLimit(int ciphertextLimit)
{
return GetPlaintextEncodeLimit(ciphertextLimit);
}
// TODO[api] Add to TlsCipher
public virtual int GetPlaintextDecodeLimit(int ciphertextLimit)
{
return GetPlaintextLimit(ciphertextLimit);
}
// TODO[api] Add to TlsCipher
public virtual int GetPlaintextEncodeLimit(int ciphertextLimit)
{
return GetPlaintextLimit(ciphertextLimit);
}
public abstract TlsEncodeResult EncodePlaintext(long seqNo, short contentType, ProtocolVersion recordVersion,
int headerAllocation, byte[] plaintext, int offset, int len);
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
public abstract TlsEncodeResult EncodePlaintext(long seqNo, short contentType, ProtocolVersion recordVersion,
int headerAllocation, ReadOnlySpan<byte> plaintext);
#endif
// TODO[api] Add span-based version?
public abstract TlsDecodeResult DecodeCiphertext(long seqNo, short recordType, ProtocolVersion recordVersion,
byte[] ciphertext, int offset, int len);
public virtual void RekeyDecoder()
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
public virtual void RekeyEncoder()
{
throw new TlsFatalAlert(AlertDescription.internal_error);
}
public abstract bool UsesOpaqueRecordType { get; }
}
}
|
