public static bool Validate(string identityNumber)
{
identityNumber = identityNumber.Trim();
if (identityNumber.IsNumeric())
{
return(identityNumber.Length == 13 &&
SouthAfricanIdentityNumber.GetIdentityNumberControlDigit(identityNumber).ToString().Equals(identityNumber.Substring(12, 1)));
}
return(false);
}
public static string Generate()
{
var rand = new Random();
while (true)
{
var dd = (int)Math.Floor(rand.NextDouble() * 31) + 1;
var mm = (int)Math.Floor(rand.NextDouble() * 12) + 1;
var yy = (int)(92 - Math.Floor(rand.NextDouble() * 50));
var g = (int)Math.Floor(rand.NextDouble() * 9999);
if (dd >= 29)
{
if (mm == 2)
{
dd = 28;
}
else if (dd == 31 &&
mm % 2 == 1)
{
dd = 30;
}
}
for (var i = 80; i < 90; i++)
{
var gen = SouthAfricanIdentityNumber.Space(yy.ToString(), 2) + SouthAfricanIdentityNumber.Space(mm.ToString(), 2) + SouthAfricanIdentityNumber.Space(dd.ToString(), 2)
+ SouthAfricanIdentityNumber.Space(g.ToString(), 2) + SouthAfricanIdentityNumber.Space(i.ToString(), 3);
if (SouthAfricanIdentityNumber.IsValid(gen))
{
return(gen);
}
}
}
}
