public IEnumerable <PasswordRepresentation> GeneratePassword(PasswordFamily family, PasswordRepresentationType type, PasswordStrengthLevel level = PasswordStrengthLevel.Default)
{
return(DoGeneratePassword(family, type, level == PasswordStrengthLevel.Default ? DefaultStrengthLevel : level));
}
protected virtual IEnumerable <PasswordRepresentation> DoGeneratePassword(PasswordFamily family, PasswordRepresentationType type, PasswordStrengthLevel level)
{
if (family != PasswordFamily.Text && family != PasswordFamily.PIN)
{
yield break;
}
if ((type & PasswordRepresentationType.Text) != 0)
{
if (family == PasswordFamily.Text)
{
int score = 0;
while (true)
{
using (var password = ExternalRandomGenerator.Instance.NextRandomWebSafeSecureBuffer(getMinLengthForLevel(family, level), getMaxLengthForLevel(family, level)))
{
score = CalculateStrenghtScore(family, password);
if (score >= getMinScoreForLevel(family, level))
{
var content = password.Content;
var length = content.Length;
var reprContent = new byte[length];
Array.Copy(content, reprContent, length);
yield return(new PasswordRepresentation(PasswordRepresentationType.Text, "plain/text", reprContent));
break;
}
}
}
}
if (family == PasswordFamily.PIN)
{
var min = getMinLengthForLevel(family, level);
var max = getMaxLengthForLevel(family, level);
var minValue = (int)IntMath.Pow(10, min - 1);
var maxValue = (int)IntMath.Pow(10, max) - 1;
var value = (uint)ExternalRandomGenerator.Instance.NextScaledRandomInteger(minValue, maxValue);
var content = value.ToString();
var reprContent = new byte[content.Length];
for (int i = 0; i < content.Length; i++)
{
reprContent[i] = (byte)content[i];
}
yield return(new PasswordRepresentation(PasswordRepresentationType.Text, "plain/text", reprContent));
}
}
}
public PasswordRepresentation(PasswordRepresentationType type, string contentType, byte[] content)
{
m_Type = type;
m_ContentType = contentType;
m_Content = content;
}
