/// <summary>
/// Initializes a new instance of the <see cref="RsaSmallCodeParser"/> class.
/// </summary>
/// <param name="codeLength">Length of the code.</param>
/// <param name="rsaPublicKey">The RSA public key.</param>
/// <param name="initialAlphabet">The initial alphabet.</param>
/// <param name="finalAlphabet">The final alphabet.</param>
public RsaSmallCodeParser(int codeLength, RsaSmallPublicKey rsaPublicKey, string initialAlphabet,
string finalAlphabet) :
this(
codeLength, rsaPublicKey,
new AsciiStringTranslator(initialAlphabet, finalAlphabet, true))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="RsaSmallCodeParser"/> class.
/// </summary>
/// <param name="codeLength">Length of the code.</param>
/// <param name="rsaPublicKey">The RSA public key.</param>
/// <param name="translator">The translator.</param>
public RsaSmallCodeParser(int codeLength, RsaSmallPublicKey rsaPublicKey, IStringTranslator translator)
{
if (codeLength < 1)
{
throw new ArgumentOutOfRangeException("codeLength", "codeLenth must be greater than zero.");
}
if (rsaPublicKey == null)
{
throw new ArgumentNullException("rsaPublicKey");
}
if (translator == null)
{
throw new ArgumentNullException("translator");
}
char[] alphabetLetters = translator.FinalAlphabet.ToCharArray();
Array.Sort(alphabetLetters);
int i = 0;
foreach (char alphabetLetter in alphabetLetters)
{
// Ignore duplicates
if (alphabetLetter != correctDigitSequence[i])
{
// Not a duplicate, move to next char in valid sequence of digits
i++;
if (alphabetLetter != correctDigitSequence[i])
{
throw new ArgumentException("The final alphabet does not contain a valid digit sequence.", "translator");
}
}
}
radix = i + 1;
rsa = new RsaSmall(new RsaSmallFullKey(rsaPublicKey.Modulus, 0, rsaPublicKey.Exponent));
this.translator = translator;
validCodeRegex =
string.Format(CultureInfo.InvariantCulture, @"^[{0}]{{{1}}}$", translator.InitialAlphabet, codeLength);
}
/// <summary>
/// Initializes a new instance of the <see cref="RsaSmallCodeParser"/> class.
/// </summary>
/// <param name="codeLength">Length of the code.</param>
/// <param name="rsaPublicKey">The RSA public key.</param>
/// <param name="translator">The translator.</param>
public RsaSmallCodeParser(int codeLength, RsaSmallPublicKey rsaPublicKey, IStringTranslator translator)
{
if(codeLength < 1)
{
throw new ArgumentOutOfRangeException("codeLength", "codeLenth must be greater than zero.");
}
if (rsaPublicKey == null)
{
throw new ArgumentNullException("rsaPublicKey");
}
if (translator == null)
{
throw new ArgumentNullException("translator");
}
char[] alphabetLetters = translator.FinalAlphabet.ToCharArray();
Array.Sort(alphabetLetters);
int i = 0;
foreach (char alphabetLetter in alphabetLetters)
{
// Ignore duplicates
if (alphabetLetter != correctDigitSequence[i])
{
// Not a duplicate, move to next char in valid sequence of digits
i++;
if (alphabetLetter != correctDigitSequence[i])
{
throw new ArgumentException("The final alphabet does not contain a valid digit sequence.", "translator");
}
}
}
radix = i + 1;
rsa = new RsaSmall(new RsaSmallFullKey(rsaPublicKey.Modulus, 0, rsaPublicKey.Exponent));
this.translator = translator;
validCodeRegex =
string.Format(CultureInfo.InvariantCulture, @"^[{0}]{{{1}}}$", translator.InitialAlphabet, codeLength);
}
/// <summary>
/// Initializes a new instance of the <see cref="RsaSmallFullKey"/> class.
/// </summary>
/// <param name="modulus">The modulus.</param>
/// <param name="privateExponent">The private exponent.</param>
/// <param name="publicExponent">The public exponent.</param>
public RsaSmallFullKey(BigInteger modulus, BigInteger privateExponent, BigInteger publicExponent)
{
privateKey = new RsaSmallPrivateKey(modulus, privateExponent);
publicKey = new RsaSmallPublicKey(modulus, publicExponent);
}
/// <summary>
/// Initializes a new instance of the <see cref="RsaSmallCodeParser"/> class.
/// </summary>
/// <param name="codeLength">Length of the code.</param>
/// <param name="rsaPublicKey">The RSA public key.</param>
/// <param name="initialAlphabet">The initial alphabet.</param>
/// <param name="finalAlphabet">The final alphabet.</param>
public RsaSmallCodeParser(int codeLength, RsaSmallPublicKey rsaPublicKey, string initialAlphabet,
string finalAlphabet)
: this(codeLength, rsaPublicKey,
new AsciiStringTranslator(initialAlphabet, finalAlphabet, true))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="RsaSmallFullKey"/> class.
/// </summary>
/// <param name="modulus">The modulus.</param>
/// <param name="privateExponent">The private exponent.</param>
/// <param name="publicExponent">The public exponent.</param>
public RsaSmallFullKey(BigInteger modulus, BigInteger privateExponent, BigInteger publicExponent)
{
privateKey = new RsaSmallPrivateKey(modulus, privateExponent);
publicKey = new RsaSmallPublicKey(modulus, publicExponent);
}