public void KexVector()
{
var da = BigInteger.Parse("081EB26E941BB5AF16DF116495F90695272AE2CD63D6C4AE1678418BE48230029",
NumberStyles.HexNumber);
var db = BigInteger.Parse("0785129917D45A9EA5437A59356B82338EAADDA6CEB199088F14AE10DEFA229B5",
NumberStyles.HexNumber);
var ra = (BigInteger.Parse("0D4DE15474DB74D06491C440D305E012400990F3E390C7E87153C12DB2EA60BB3",
NumberStyles.HexNumber) - 1).ToByteArray();
var rb = (BigInteger.Parse("07E07124814B309489125EAED101113164EBF0F3458C5BD88335C1F9D596243D6",
NumberStyles.HexNumber) - 1).ToByteArray();
var id = Encoding.ASCII.GetBytes("1234567812345678");
var sa = new byte[] {
0x18, 0xC7, 0x89, 0x4B, 0x38, 0x16, 0xDF, 0x16, 0xCF, 0x07, 0xB0, 0x5C, 0x5E, 0xC0, 0xBE, 0xF5,
0xD6, 0x55, 0xD5, 0x8F, 0x77, 0x9C, 0xC1, 0xB4, 0x00, 0xA4, 0xF3, 0x88, 0x46, 0x44, 0xDB, 0x88
};
var sb = new byte[] {
0xD3, 0xA0, 0xFE, 0x15, 0xDE, 0xE1, 0x85, 0xCE, 0xAE, 0x90, 0x7A, 0x6B, 0x59, 0x5C, 0xC3, 0x2A,
0x26, 0x6E, 0xD7, 0xB3, 0x36, 0x7E, 0x99, 0x83, 0xA8, 0x96, 0xDC, 0x32, 0xFA, 0x20, 0xF8, 0xEB
};
var k = new byte[] {
0x6C, 0x89, 0x34, 0x73, 0x54, 0xDE, 0x24, 0x84, 0xC6, 0x0B, 0x4A, 0xB1, 0xFD, 0xE4, 0xC6, 0xE5
};
Array.Resize(ref ra, ra.Length + 13);
Array.Resize(ref rb, rb.Length + 13);
var rngA = new FixedBytesGenerator(ra);
var rngB = new FixedBytesGenerator(rb);
var a = System.Security.Cryptography.SM2.Create(rngA);
var b = System.Security.Cryptography.SM2.Create(rngB);
a.ImportPrivateKey(da);
b.ImportPrivateKey(db);
a.Ident = id;
b.Ident = id;
rngA.Reset();
rngB.Reset();
var kea = a.StartKeyExchange(false);
var keb = b.StartKeyExchange(true);
var(kdfa, s1a, s2a) = kea.DeriveKey(b.ExportKey().Q, keb.R, id);
var(kdfb, s1b, s2b) = keb.DeriveKey(a.ExportKey().Q, kea.R, id);
Assert.NotNull(kdfa);
Assert.NotNull(kdfb);
Assert.Equal(sa, s1a);
Assert.Equal(sa, s2b);
Assert.Equal(sb, s1b);
Assert.Equal(sb, s2a);
Assert.Equal(k, kdfa !.GetBytes(k.Length));
Assert.Equal(k, kdfb !.GetBytes(k.Length));
Assert.Equal(kdfa !.GetBytes(32), kdfb !.GetBytes(32));
}
