www.pudn.com > sanpack_rsa_vs2003sln_src.rar > Class1.cs

using System; 
 
using System.Runtime.InteropServices; 
using System.Collections; 
using System.Text; 
 
namespace sanpack_rsa_csclass 
{ 
	public class Sanpack_rsa  
	{ 
 
		public static string s1; 
		public static string s2; 
		public static System.Collections.ArrayList charlist=new ArrayList(); 
		public static System.Collections.ArrayList hextxtlist=new ArrayList(); 
		public static System.Collections.ArrayList result_hexstrings=new ArrayList(); 
		public static uint RSAstep; 
		public static uint RSAprimeplen1; 
		public static uint RSAprimeplen2; 
 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string get_Version(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int refresh_RSA_san(string a,string b); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int start_RSA_san(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int finish_RSA_san(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int RSA_san_en(byte []b,uint n); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int RSA_san_en_byte(byte b); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int RSA_san_dn(byte []b,uint n); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int RSA_san_en_hexstring(string s); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int RSA_san_dn_hexstring(string s); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string get_p(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string get_q(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string get_n(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string get_e(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string get_d(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string get_result_string(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern byte get_result_byte(uint i); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string get_result_hexstring(); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern string string2hexstring(string s); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int set_e_fromhexstring(string s); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int force_e(string s,uint l); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int force_d(string s,uint l); 
		[DllImport("sanpack_rsa.dll")] 
		public static extern int force_n(string s,uint l); 
 
		public static int GetRandomString() 
		{ 
			Random rnd = new Random(); 
			Byte[] b = new Byte[System.Math.Max(RSAprimeplen1,RSAprimeplen2)]; 
			s1=""; 
			s2=""; 
 
			//next we'll produce 2 random string  
			//the string may have zero_code chars in it 
			//to prevent from cutting the string 
			//we change 00 into 41 in s1 
			//          00 into 42 in s2 
			//this work has been done in class RSA_san (sanpack_rsa.dll) 
 
			//while(s1.Length<35) 
			//{ 
			for(int i=0;i