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public ModPow ( |
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| m | ||
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/// <summary>
/// Computes the server session value
/// </summary>
public static byte[] ComputeServerSessionValue(byte[] clientPublicEphemeral, byte[] verifier, byte[] udata, byte[] serverPrivateEphemeral)
{
// S = (Av^u) ^ b (mod N)
var A = new NetBigInteger(NetUtility.ToHexString(clientPublicEphemeral), 16);
var v = new NetBigInteger(NetUtility.ToHexString(verifier), 16);
var u = new NetBigInteger(NetUtility.ToHexString(udata), 16);
var b = new NetBigInteger(NetUtility.ToHexString(serverPrivateEphemeral), 16);
NetBigInteger retval = v.ModPow(u, N).Multiply(A).Mod(N).ModPow(b, N).Mod(N);
return retval.ToByteArrayUnsigned();
}
