/// <summary>
/// Calls RAND_pseudo_bytes()
/// </summary>
/// <param name="len"></param>
/// <returns></returns>
public static byte[] PseudoBytes(int len)
{
byte[] buf = new byte[len];
Native.ExpectSuccess(Native.RAND_pseudo_bytes(buf, buf.Length));
return(buf);
}
/// <summary>
/// Calls RAND_bytes()
/// </summary>
/// <param name="len"></param>
/// <returns></returns>
public static byte[] Bytes(int len)
{
byte[] buf = new byte[len];
Native.ExpectSuccess(Native.RAND_bytes(buf, len));
return(buf);
}
public void Override()
{
Marshal.StructureToPtr(this.raw, this.ptr, false);
Native.ExpectSuccess(Native.RAND_set_rand_method(this.ptr));
}
private void Restore()
{
Native.ExpectSuccess(Native.RAND_set_rand_method(original));
}
/// <summary>
/// Calls RAND_egd_bytes()
/// </summary>
/// <param name="path"></param>
/// <param name="bytes"></param>
public static void GatherEntropy(string path, int bytes)
{
Native.ExpectSuccess(Native.RAND_egd_bytes(path, bytes));
}
/// <summary>
/// Calls RAND_poll()
/// </summary>
public static void Poll()
{
Native.ExpectSuccess(Native.RAND_poll());
}
/// <summary>
/// Calls RAND_write_file()
/// </summary>
/// <param name="filename"></param>
public static void WriteFile(string filename)
{
Native.ExpectSuccess(Native.RAND_write_file(filename));
}
/// <summary>
/// Calls RAND_egd()
/// </summary>
/// <param name="path"></param>
public static void GatherEntropy(string path)
{
Native.ExpectSuccess(Native.RAND_egd(path));
}
/// <summary>
/// Calls RAND_load_file()
/// </summary>
/// <param name="filename"></param>
/// <param name="max_bytes"></param>
public static void LoadFile(string filename, int max_bytes)
{
Native.ExpectSuccess(Native.RAND_load_file(filename, max_bytes));
}
/// <summary>
/// Creates a BigNumber by calling BN_set_word()
/// </summary>
/// <param name="value"></param>
public BigNumber(uint value)
: this()
{
Native.ExpectSuccess(Native.BN_set_word(this.ptr, value));
}
/// <summary>
/// Calls BN_print()
/// </summary>
/// <param name="bio"></param>
public override void Print(BIO bio)
{
Native.ExpectSuccess(Native.BN_print(bio.Handle, this.ptr));
}
/// <summary>
/// Calls BN_bn2bin()
/// </summary>
/// <param name="bytes"></param>
public void ToBytes(byte[] bytes)
{
Native.ExpectSuccess(Native.BN_bn2bin(ptr, bytes));
}
/// <summary>
/// Calls ASN1_STRING_set()
/// </summary>
/// <param name="data"></param>
public Asn1String(byte[] data)
: this()
{
Native.ExpectSuccess(Native.ASN1_STRING_set(ptr, data, data.Length));
}
