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This commit is contained in:
stevesensei
2026-06-15 18:18:16 +08:00
parent 97c9fba14e
commit 2b9f134e5f
4164 changed files with 386922 additions and 79 deletions
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118
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/agreement/kdf/ConcatenationKdfGenerator.cs vendored Normal file
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
#pragma warning disable
using System;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Kdf
{
/// <summary>Generator for Concatenation Key Derivation Function defined in NIST SP 800-56A, Sect 5.8.1</summary>
public sealed class ConcatenationKdfGenerator
: IDerivationFunction
{
private readonly IDigest m_digest;
private readonly int m_hLen;
private byte[] m_buffer;
/// <param name="digest">the digest to be used as the source of generated bytes</param>
public ConcatenationKdfGenerator(IDigest digest)
{
m_digest = digest;
m_hLen = digest.GetDigestSize();
}
public void Init(IDerivationParameters param)
{
if (!(param is KdfParameters kdfParameters))
throw new ArgumentException("KDF parameters required for ConcatenationKdfGenerator");
byte[] sharedSecret = kdfParameters.GetSharedSecret();
byte[] otherInfo = kdfParameters.GetIV();
m_buffer = new byte[4 + sharedSecret.Length + otherInfo.Length + m_hLen];
sharedSecret.CopyTo(m_buffer, 4);
otherInfo.CopyTo(m_buffer, 4 + sharedSecret.Length);
}
/// <summary>the underlying digest.</summary>
public IDigest Digest => m_digest;
/// <summary>Fill <c>len</c> bytes of the output buffer with bytes generated from the derivation function.
/// </summary>
public int GenerateBytes(byte[] output, int outOff, int length)
{
Check.OutputLength(output, outOff, length, "output buffer too small");
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
return GenerateBytes(output.AsSpan(outOff, length));
#else
int hashPos = m_buffer.Length - m_hLen;
uint counter = 1;
m_digest.Reset();
int end = outOff + length;
int limit = end - m_hLen;
while (outOff <= limit)
{
Pack.UInt32_To_BE(counter++, m_buffer, 0);
m_digest.BlockUpdate(m_buffer, 0, hashPos);
m_digest.DoFinal(output, outOff);
outOff += m_hLen;
}
if (outOff < end)
{
Pack.UInt32_To_BE(counter, m_buffer, 0);
m_digest.BlockUpdate(m_buffer, 0, hashPos);
m_digest.DoFinal(m_buffer, hashPos);
Array.Copy(m_buffer, hashPos, output, outOff, end - outOff);
}
return length;
#endif
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
public int GenerateBytes(Span<byte> output)
{
int hashPos = m_buffer.Length - m_hLen;
uint counter = 1;
m_digest.Reset();
int pos = 0, length = output.Length, limit = length - m_hLen;
while (pos <= limit)
{
Pack.UInt32_To_BE(counter++, m_buffer.AsSpan());
m_digest.BlockUpdate(m_buffer.AsSpan(0, hashPos));
m_digest.DoFinal(output[pos..]);
pos += m_hLen;
}
if (pos < length)
{
Pack.UInt32_To_BE(counter, m_buffer.AsSpan());
m_digest.BlockUpdate(m_buffer.AsSpan(0, hashPos));
m_digest.DoFinal(m_buffer.AsSpan(hashPos));
m_buffer.AsSpan(hashPos, length - pos).CopyTo(output[pos..]);
}
return length;
}
#endif
}
}
#pragma warning restore
#endif

11
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/agreement/kdf/ConcatenationKdfGenerator.cs.meta vendored Normal file
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61
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/agreement/kdf/DHKdfParameters.cs vendored Normal file
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
#pragma warning disable
using System;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1;
namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Kdf
{
public class DHKdfParameters
: IDerivationParameters
{
private readonly DerObjectIdentifier algorithm;
private readonly int keySize;
private readonly byte[] z;
private readonly byte[] extraInfo;
public DHKdfParameters(
DerObjectIdentifier algorithm,
int keySize,
byte[] z)
: this(algorithm, keySize, z, null)
{
}
public DHKdfParameters(
DerObjectIdentifier algorithm,
int keySize,
byte[] z,
byte[] extraInfo)
{
this.algorithm = algorithm;
this.keySize = keySize;
this.z = z; // TODO Clone?
this.extraInfo = extraInfo;
}
public DerObjectIdentifier Algorithm
{
get { return algorithm; }
}
public int KeySize
{
get { return keySize; }
}
public byte[] GetZ()
{
// TODO Clone?
return z;
}
public byte[] GetExtraInfo()
{
// TODO Clone?
return extraInfo;
}
}
}
#pragma warning restore
#endif

11
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/agreement/kdf/DHKdfParameters.cs.meta vendored Normal file
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174
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/agreement/kdf/DHKekGenerator.cs vendored Normal file
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
#pragma warning disable
using System;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.IO;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Security;
namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Kdf
{
/**
* RFC 2631 Diffie-hellman KEK derivation function.
*/
public sealed class DHKekGenerator
: IDerivationFunction
{
private readonly IDigest m_digest;
private DerObjectIdentifier algorithm;
private int keySize;
private byte[] z;
private byte[] partyAInfo;
public DHKekGenerator(IDigest digest)
{
m_digest = digest;
}
public void Init(IDerivationParameters param)
{
DHKdfParameters parameters = (DHKdfParameters)param;
this.algorithm = parameters.Algorithm;
this.keySize = parameters.KeySize;
this.z = parameters.GetZ(); // TODO Clone?
this.partyAInfo = parameters.GetExtraInfo(); // TODO Clone?
}
public IDigest Digest => m_digest;
public int GenerateBytes(byte[] outBytes, int outOff, int length)
{
Check.OutputLength(outBytes, outOff, length, "output buffer too small");
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
return GenerateBytes(outBytes.AsSpan(outOff, length));
#else
long oBytes = length;
int digestSize = m_digest.GetDigestSize();
//
// this is at odds with the standard implementation, the
// maximum value should be hBits * (2^32 - 1) where hBits
// is the digest output size in bits. We can't have an
// array with a long index at the moment...
//
if (oBytes > ((2L << 32) - 1))
throw new ArgumentException("Output length too large");
int cThreshold = (int)((oBytes + digestSize - 1) / digestSize);
byte[] dig = new byte[digestSize];
uint counter = 1;
for (int i = 0; i < cThreshold; i++)
{
// KeySpecificInfo
DerSequence keyInfo = new DerSequence(algorithm, new DerOctetString(Pack.UInt32_To_BE(counter)));
// OtherInfo
Asn1EncodableVector v1 = new Asn1EncodableVector(keyInfo);
if (partyAInfo != null)
{
v1.Add(new DerTaggedObject(true, 0, new DerOctetString(partyAInfo)));
}
v1.Add(new DerTaggedObject(true, 2, new DerOctetString(Pack.UInt32_To_BE((uint)keySize))));
byte[] other = new DerSequence(v1).GetDerEncoded();
m_digest.BlockUpdate(z, 0, z.Length);
m_digest.BlockUpdate(other, 0, other.Length);
m_digest.DoFinal(dig, 0);
if (length > digestSize)
{
Array.Copy(dig, 0, outBytes, outOff, digestSize);
outOff += digestSize;
length -= digestSize;
}
else
{
Array.Copy(dig, 0, outBytes, outOff, length);
}
counter++;
}
m_digest.Reset();
return (int)oBytes;
#endif
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
public int GenerateBytes(Span<byte> output)
{
long oBytes = output.Length;
int digestSize = m_digest.GetDigestSize();
//
// this is at odds with the standard implementation, the
// maximum value should be hBits * (2^32 - 1) where hBits
// is the digest output size in bits. We can't have an
// array with a long index at the moment...
//
if (oBytes > ((2L << 32) - 1))
throw new ArgumentException("Output length too large");
int cThreshold = (int)((oBytes + digestSize - 1) / digestSize);
Span<byte> dig = digestSize <= 128
? stackalloc byte[digestSize]
: new byte[digestSize];
uint counter = 1;
for (int i = 0; i < cThreshold; i++)
{
// KeySpecificInfo
DerSequence keyInfo = new DerSequence(algorithm, new DerOctetString(Pack.UInt32_To_BE(counter)));
// OtherInfo
Asn1EncodableVector v1 = new Asn1EncodableVector(keyInfo);
if (partyAInfo != null)
{
v1.Add(new DerTaggedObject(true, 0, new DerOctetString(partyAInfo)));
}
v1.Add(new DerTaggedObject(true, 2, new DerOctetString(Pack.UInt32_To_BE((uint)keySize))));
byte[] other = new DerSequence(v1).GetDerEncoded();
m_digest.BlockUpdate(z);
m_digest.BlockUpdate(other);
m_digest.DoFinal(dig);
int remaining = output.Length;
if (remaining > digestSize)
{
dig.CopyTo(output);
output = output[digestSize..];
}
else
{
dig[..remaining].CopyTo(output);
}
counter++;
}
m_digest.Reset();
return (int)oBytes;
}
#endif
}
}
#pragma warning restore
#endif

11
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/agreement/kdf/DHKekGenerator.cs.meta vendored Normal file
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77
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/agreement/kdf/ECDHKekGenerator.cs vendored Normal file
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#if !BESTHTTP_DISABLE_ALTERNATE_SSL && (!UNITY_WEBGL || UNITY_EDITOR)
#pragma warning disable
using System;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Asn1.X509;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Generators;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Parameters;
using Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
namespace Best.HTTP.SecureProtocol.Org.BouncyCastle.Crypto.Agreement.Kdf
{
/**
* X9.63 based key derivation function for ECDH CMS.
*/
public sealed class ECDHKekGenerator
: IDerivationFunction
{
private readonly IDerivationFunction m_kdf;
private DerObjectIdentifier algorithm;
private int keySize;
private byte[] z;
public ECDHKekGenerator(IDigest digest)
{
m_kdf = new Kdf2BytesGenerator(digest);
}
public void Init(IDerivationParameters param)
{
DHKdfParameters parameters = (DHKdfParameters)param;
this.algorithm = parameters.Algorithm;
this.keySize = parameters.KeySize;
this.z = parameters.GetZ(); // TODO Clone?
}
public IDigest Digest => m_kdf.Digest;
public int GenerateBytes(byte[] outBytes, int outOff, int length)
{
Check.OutputLength(outBytes, outOff, length, "output buffer too small");
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
return GenerateBytes(outBytes.AsSpan(outOff, length));
#else
// TODO Create an ASN.1 class for this (RFC3278)
// ECC-CMS-SharedInfo
DerSequence s = new DerSequence(
new AlgorithmIdentifier(algorithm, DerNull.Instance),
new DerTaggedObject(true, 2, new DerOctetString(Pack.UInt32_To_BE((uint)keySize))));
m_kdf.Init(new KdfParameters(z, s.GetDerEncoded()));
return m_kdf.GenerateBytes(outBytes, outOff, length);
#endif
}
#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER || UNITY_2021_2_OR_NEWER
public int GenerateBytes(Span<byte> output)
{
// TODO Create an ASN.1 class for this (RFC3278)
// ECC-CMS-SharedInfo
DerSequence s = new DerSequence(
new AlgorithmIdentifier(algorithm, DerNull.Instance),
new DerTaggedObject(true, 2, new DerOctetString(Pack.UInt32_To_BE((uint)keySize))));
m_kdf.Init(new KdfParameters(z, s.GetDerEncoded()));
return m_kdf.GenerateBytes(output);
}
#endif
}
}
#pragma warning restore
#endif

11
Packages/com.tivadar.best.http/Runtime/3rdParty/BouncyCastle/crypto/agreement/kdf/ECDHKekGenerator.cs.meta vendored Normal file
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