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Andrey K. Choi
2025-10-09 09:57:24 +09:00
commit 4d551bd74f
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111
output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Agreement/Srp/Srp6Client.cs Normal file
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using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Security;
namespace Org.BouncyCastle.Crypto.Agreement.Srp;
public class Srp6Client
{
protected BigInteger N;
protected BigInteger g;
protected BigInteger privA;
protected BigInteger pubA;
protected BigInteger B;
protected BigInteger x;
protected BigInteger u;
protected BigInteger S;
protected BigInteger M1;
protected BigInteger M2;
protected BigInteger Key;
protected IDigest digest;
protected SecureRandom random;
public virtual void Init(BigInteger N, BigInteger g, IDigest digest, SecureRandom random)
{
this.N = N;
this.g = g;
this.digest = digest;
this.random = random;
}
public virtual void Init(Srp6GroupParameters group, IDigest digest, SecureRandom random)
{
Init(group.N, group.G, digest, random);
}
public virtual BigInteger GenerateClientCredentials(byte[] salt, byte[] identity, byte[] password)
{
x = Srp6Utilities.CalculateX(digest, N, salt, identity, password);
privA = SelectPrivateValue();
pubA = g.ModPow(privA, N);
return pubA;
}
public virtual BigInteger CalculateSecret(BigInteger serverB)
{
B = Srp6Utilities.ValidatePublicValue(N, serverB);
u = Srp6Utilities.CalculateU(digest, N, pubA, B);
S = CalculateS();
return S;
}
protected virtual BigInteger SelectPrivateValue()
{
return Srp6Utilities.GeneratePrivateValue(digest, N, g, random);
}
private BigInteger CalculateS()
{
BigInteger val = Srp6Utilities.CalculateK(digest, N, g);
BigInteger e = u.Multiply(x).Add(privA);
BigInteger n = g.ModPow(x, N).Multiply(val).Mod(N);
return B.Subtract(n).Mod(N).ModPow(e, N);
}
public virtual BigInteger CalculateClientEvidenceMessage()
{
if (pubA == null || B == null || S == null)
{
throw new CryptoException("Impossible to compute M1: some data are missing from the previous operations (A,B,S)");
}
M1 = Srp6Utilities.CalculateM1(digest, N, pubA, B, S);
return M1;
}
public virtual bool VerifyServerEvidenceMessage(BigInteger serverM2)
{
if (pubA == null || M1 == null || S == null)
{
throw new CryptoException("Impossible to compute and verify M2: some data are missing from the previous operations (A,M1,S)");
}
BigInteger bigInteger = Srp6Utilities.CalculateM2(digest, N, pubA, M1, S);
if (bigInteger.Equals(serverM2))
{
M2 = serverM2;
return true;
}
return false;
}
public virtual BigInteger CalculateSessionKey()
{
if (S == null || M1 == null || M2 == null)
{
throw new CryptoException("Impossible to compute Key: some data are missing from the previous operations (S,M1,M2)");
}
Key = Srp6Utilities.CalculateKey(digest, N, S);
return Key;
}
}

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output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Agreement/Srp/Srp6Server.cs Normal file
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using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Security;
namespace Org.BouncyCastle.Crypto.Agreement.Srp;
public class Srp6Server
{
protected BigInteger N;
protected BigInteger g;
protected BigInteger v;
protected SecureRandom random;
protected IDigest digest;
protected BigInteger A;
protected BigInteger privB;
protected BigInteger pubB;
protected BigInteger u;
protected BigInteger S;
protected BigInteger M1;
protected BigInteger M2;
protected BigInteger Key;
public virtual void Init(BigInteger N, BigInteger g, BigInteger v, IDigest digest, SecureRandom random)
{
this.N = N;
this.g = g;
this.v = v;
this.random = random;
this.digest = digest;
}
public virtual void Init(Srp6GroupParameters group, BigInteger v, IDigest digest, SecureRandom random)
{
Init(group.N, group.G, v, digest, random);
}
public virtual BigInteger GenerateServerCredentials()
{
BigInteger bigInteger = Srp6Utilities.CalculateK(digest, N, g);
privB = SelectPrivateValue();
pubB = bigInteger.Multiply(v).Mod(N).Add(g.ModPow(privB, N))
.Mod(N);
return pubB;
}
public virtual BigInteger CalculateSecret(BigInteger clientA)
{
A = Srp6Utilities.ValidatePublicValue(N, clientA);
u = Srp6Utilities.CalculateU(digest, N, A, pubB);
S = CalculateS();
return S;
}
protected virtual BigInteger SelectPrivateValue()
{
return Srp6Utilities.GeneratePrivateValue(digest, N, g, random);
}
private BigInteger CalculateS()
{
return v.ModPow(u, N).Multiply(A).Mod(N)
.ModPow(privB, N);
}
public virtual bool VerifyClientEvidenceMessage(BigInteger clientM1)
{
if (A == null || pubB == null || S == null)
{
throw new CryptoException("Impossible to compute and verify M1: some data are missing from the previous operations (A,B,S)");
}
BigInteger bigInteger = Srp6Utilities.CalculateM1(digest, N, A, pubB, S);
if (bigInteger.Equals(clientM1))
{
M1 = clientM1;
return true;
}
return false;
}
public virtual BigInteger CalculateServerEvidenceMessage()
{
if (A == null || M1 == null || S == null)
{
throw new CryptoException("Impossible to compute M2: some data are missing from the previous operations (A,M1,S)");
}
M2 = Srp6Utilities.CalculateM2(digest, N, A, M1, S);
return M2;
}
public virtual BigInteger CalculateSessionKey()
{
if (S == null || M1 == null || M2 == null)
{
throw new CryptoException("Impossible to compute Key: some data are missing from the previous operations (S,M1,M2)");
}
Key = Srp6Utilities.CalculateKey(digest, N, S);
return Key;
}
}

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output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Agreement/Srp/Srp6StandardGroups.cs Normal file
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using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Utilities.Encoders;
namespace Org.BouncyCastle.Crypto.Agreement.Srp;
public class Srp6StandardGroups
{
private const string rfc5054_1024_N = "EEAF0AB9ADB38DD69C33F80AFA8FC5E86072618775FF3C0B9EA2314C9C256576D674DF7496EA81D3383B4813D692C6E0E0D5D8E250B98BE48E495C1D6089DAD15DC7D7B46154D6B6CE8EF4AD69B15D4982559B297BCF1885C529F566660E57EC68EDBC3C05726CC02FD4CBF4976EAA9AFD5138FE8376435B9FC61D2FC0EB06E3";
private const string rfc5054_1024_g = "02";
private const string rfc5054_1536_N = "9DEF3CAFB939277AB1F12A8617A47BBBDBA51DF499AC4C80BEEEA9614B19CC4D5F4F5F556E27CBDE51C6A94BE4607A291558903BA0D0F84380B655BB9A22E8DCDF028A7CEC67F0D08134B1C8B97989149B609E0BE3BAB63D47548381DBC5B1FC764E3F4B53DD9DA1158BFD3E2B9C8CF56EDF019539349627DB2FD53D24B7C48665772E437D6C7F8CE442734AF7CCB7AE837C264AE3A9BEB87F8A2FE9B8B5292E5A021FFF5E91479E8CE7A28C2442C6F315180F93499A234DCF76E3FED135F9BB";
private const string rfc5054_1536_g = "02";
private const string rfc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
private const string rfc5054_2048_g = "02";
private const string rfc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
private const string rfc5054_3072_g = "05";
private const string rfc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
private const string rfc5054_4096_g = "05";
private const string rfc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
private const string rfc5054_6144_g = "05";
private const string rfc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
private const string rfc5054_8192_g = "13";
public static readonly Srp6GroupParameters rfc5054_1024 = FromNG("EEAF0AB9ADB38DD69C33F80AFA8FC5E86072618775FF3C0B9EA2314C9C256576D674DF7496EA81D3383B4813D692C6E0E0D5D8E250B98BE48E495C1D6089DAD15DC7D7B46154D6B6CE8EF4AD69B15D4982559B297BCF1885C529F566660E57EC68EDBC3C05726CC02FD4CBF4976EAA9AFD5138FE8376435B9FC61D2FC0EB06E3", "02");
public static readonly Srp6GroupParameters rfc5054_1536 = FromNG("9DEF3CAFB939277AB1F12A8617A47BBBDBA51DF499AC4C80BEEEA9614B19CC4D5F4F5F556E27CBDE51C6A94BE4607A291558903BA0D0F84380B655BB9A22E8DCDF028A7CEC67F0D08134B1C8B97989149B609E0BE3BAB63D47548381DBC5B1FC764E3F4B53DD9DA1158BFD3E2B9C8CF56EDF019539349627DB2FD53D24B7C48665772E437D6C7F8CE442734AF7CCB7AE837C264AE3A9BEB87F8A2FE9B8B5292E5A021FFF5E91479E8CE7A28C2442C6F315180F93499A234DCF76E3FED135F9BB", "02");
public static readonly Srp6GroupParameters rfc5054_2048 = FromNG("AC6BDB41324A9A9BF166DE5E1389582FAF72B6651987EE07FC3192943DB56050A37329CBB4A099ED8193E0757767A13DD52312AB4B03310DCD7F48A9DA04FD50E8083969EDB767B0CF6095179A163AB3661A05FBD5FAAAE82918A9962F0B93B855F97993EC975EEAA80D740ADBF4FF747359D041D5C33EA71D281E446B14773BCA97B43A23FB801676BD207A436C6481F1D2B9078717461A5B9D32E688F87748544523B524B0D57D5EA77A2775D2ECFA032CFBDBF52FB3786160279004E57AE6AF874E7303CE53299CCC041C7BC308D82A5698F3A8D0C38271AE35F8E9DBFBB694B5C803D89F7AE435DE236D525F54759B65E372FCD68EF20FA7111F9E4AFF73", "02");
public static readonly Srp6GroupParameters rfc5054_3072 = From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
public static readonly Srp6GroupParameters rfc5054_4096 = From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
public static readonly Srp6GroupParameters rfc5054_6144 = From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
public static readonly Srp6GroupParameters rfc5054_8192 = From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
private static BigInteger FromHex(string hex)
{
return new BigInteger(1, Hex.Decode(hex));
}
private static Srp6GroupParameters FromNG(string hexN, string hexG)
{
return new Srp6GroupParameters(FromHex(hexN), FromHex(hexG));
}
}

108
output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Agreement/Srp/Srp6Utilities.cs Normal file
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using System;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Security;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Crypto.Agreement.Srp;
public class Srp6Utilities
{
public static BigInteger CalculateK(IDigest digest, BigInteger N, BigInteger g)
{
return HashPaddedPair(digest, N, N, g);
}
public static BigInteger CalculateU(IDigest digest, BigInteger N, BigInteger A, BigInteger B)
{
return HashPaddedPair(digest, N, A, B);
}
public static BigInteger CalculateX(IDigest digest, BigInteger N, byte[] salt, byte[] identity, byte[] password)
{
byte[] array = new byte[digest.GetDigestSize()];
digest.BlockUpdate(identity, 0, identity.Length);
digest.Update(58);
digest.BlockUpdate(password, 0, password.Length);
digest.DoFinal(array, 0);
digest.BlockUpdate(salt, 0, salt.Length);
digest.BlockUpdate(array, 0, array.Length);
digest.DoFinal(array, 0);
return new BigInteger(1, array);
}
public static BigInteger GeneratePrivateValue(IDigest digest, BigInteger N, BigInteger g, SecureRandom random)
{
int num = System.Math.Min(256, N.BitLength / 2);
BigInteger min = BigInteger.One.ShiftLeft(num - 1);
BigInteger max = N.Subtract(BigInteger.One);
return BigIntegers.CreateRandomInRange(min, max, random);
}
public static BigInteger ValidatePublicValue(BigInteger N, BigInteger val)
{
val = val.Mod(N);
if (val.Equals(BigInteger.Zero))
{
throw new CryptoException("Invalid public value: 0");
}
return val;
}
public static BigInteger CalculateM1(IDigest digest, BigInteger N, BigInteger A, BigInteger B, BigInteger S)
{
return HashPaddedTriplet(digest, N, A, B, S);
}
public static BigInteger CalculateM2(IDigest digest, BigInteger N, BigInteger A, BigInteger M1, BigInteger S)
{
return HashPaddedTriplet(digest, N, A, M1, S);
}
public static BigInteger CalculateKey(IDigest digest, BigInteger N, BigInteger S)
{
int length = (N.BitLength + 7) / 8;
byte[] padded = GetPadded(S, length);
digest.BlockUpdate(padded, 0, padded.Length);
byte[] array = new byte[digest.GetDigestSize()];
digest.DoFinal(array, 0);
return new BigInteger(1, array);
}
private static BigInteger HashPaddedTriplet(IDigest digest, BigInteger N, BigInteger n1, BigInteger n2, BigInteger n3)
{
int length = (N.BitLength + 7) / 8;
byte[] padded = GetPadded(n1, length);
byte[] padded2 = GetPadded(n2, length);
byte[] padded3 = GetPadded(n3, length);
digest.BlockUpdate(padded, 0, padded.Length);
digest.BlockUpdate(padded2, 0, padded2.Length);
digest.BlockUpdate(padded3, 0, padded3.Length);
byte[] array = new byte[digest.GetDigestSize()];
digest.DoFinal(array, 0);
return new BigInteger(1, array);
}
private static BigInteger HashPaddedPair(IDigest digest, BigInteger N, BigInteger n1, BigInteger n2)
{
int length = (N.BitLength + 7) / 8;
byte[] padded = GetPadded(n1, length);
byte[] padded2 = GetPadded(n2, length);
digest.BlockUpdate(padded, 0, padded.Length);
digest.BlockUpdate(padded2, 0, padded2.Length);
byte[] array = new byte[digest.GetDigestSize()];
digest.DoFinal(array, 0);
return new BigInteger(1, array);
}
private static byte[] GetPadded(BigInteger n, int length)
{
byte[] array = BigIntegers.AsUnsignedByteArray(n);
if (array.Length < length)
{
byte[] array2 = new byte[length];
Array.Copy(array, 0, array2, length - array.Length, array.Length);
array = array2;
}
return array;
}
}

31
output/Libraries/BouncyCastle.Crypto/Org/BouncyCastle/Crypto/Agreement/Srp/Srp6VerifierGenerator.cs Normal file
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using Org.BouncyCastle.Crypto.Parameters;
using Org.BouncyCastle.Math;
namespace Org.BouncyCastle.Crypto.Agreement.Srp;
public class Srp6VerifierGenerator
{
protected BigInteger N;
protected BigInteger g;
protected IDigest digest;
public virtual void Init(BigInteger N, BigInteger g, IDigest digest)
{
this.N = N;
this.g = g;
this.digest = digest;
}
public virtual void Init(Srp6GroupParameters group, IDigest digest)
{
Init(group.N, group.G, digest);
}
public virtual BigInteger GenerateVerifier(byte[] salt, byte[] identity, byte[] password)
{
BigInteger e = Srp6Utilities.CalculateX(digest, N, salt, identity, password);
return g.ModPow(e, N);
}
}