private IEnumerable <string> SelectPasswords(IRandomNumberGenerator random, IEnumerable <string> blacklist, int length, int count)
{
length = Math.Min(length, MaxLength);
count = Math.Min(count, MaxCount);
if (count <= 0 || length <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var sb = new StringBuilder();
for (int c = 0; c < count; c++)
{
for (int l = 0; l < length; l++)
{
sb.Append(Characters[random.GetRandomInt32(Characters.Length)]);
}
var candidate = sb.ToString();
if (!blacklist.Contains(candidate)
// 4 digit PINs starting with '19' are more likely, so weight them lower.
|| (length == 4 && candidate.Substring(0, 2) == "19" && random.GetRandomInt32(0, 3) == 0))
{
yield return(candidate);
}
sb.Clear();
}
sw.Stop();
PostSelectionAction("Pin", count, sw.Elapsed, random);
}
private IEnumerable <string> SelectPasswords(IRandomNumberGenerator random, int syllableCount, int count, bool hyphansBetweenSyllables)
{
syllableCount = Math.Min(syllableCount, MaxSyllableCount);
count = Math.Min(count, MaxCount);
if (count <= 0 || syllableCount <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var sb = new StringBuilder();
for (int c = 0; c < count; c++)
{
// Generate a password.
for (int l = 0; l < syllableCount; l++)
{
sb.Append(ConsonantSounds[random.GetRandomInt32(ConsonantSounds.Length)]);
sb.Append(VowelSounds[random.GetRandomInt32(VowelSounds.Length)]);
if (sb[sb.Length - 2] != 'g' && sb[sb.Length - 1] != 'h' &&
random.GetRandomSingle() < ProbabilityOfTwoConsonantsInOneSyllable)
{
sb.Append(ConsonantSounds[random.GetRandomInt32(ConsonantSounds.Length)]);
}
if (hyphansBetweenSyllables)
{
sb.Append('-');
}
}
if (hyphansBetweenSyllables && sb[sb.Length - 1] == '-')
{
sb.Remove(sb.Length - 1, 1);
}
// Yield the phrase and reset state.
var result = sb.ToString();
yield return(result);
sb.Clear();
}
sw.Stop();
var bytesRequested = (int)((random as Terninger.Random.CypherBasedPrngGenerator)?.BytesRequested).GetValueOrDefault();
RandomService.LogPasswordStat("Pronouncable", count, sw.Elapsed, bytesRequested, IPAddressHelpers.GetHostOrCacheIp(Request).AddressFamily, HttpContext.GetApiKeyId());
if (!IpThrottlerService.HasAnyUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request)))
{
RandomService.AddWebRequestEntropy(this.Request);
}
IpThrottlerService.IncrementUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request), count);
}
private IEnumerable <string> SelectPasswords(IRandomNumberGenerator random, int length, int count, bool includeSymbols)
{
length = Math.Min(length, MaxLength);
count = Math.Min(count, MaxCount);
if (count <= 0 || length <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var chars = includeSymbols ? AllCharacters : AlphanumericCharacters;
var sb = new StringBuilder();
for (int c = 0; c < count; c++)
{
for (int l = 0; l < length; l++)
{
sb.Append(chars[random.GetRandomInt32(chars.Length)]);
}
var result = sb.ToString();
yield return(result);
sb.Clear();
}
sw.Stop();
PostSelectionAction("AlphaNumeric", count, sw.Elapsed, random);
}
private IEnumerable <string> SelectPasswords(IRandomNumberGenerator random, int syllableCount, int count, bool hyphansBetweenSyllables)
{
syllableCount = Math.Min(syllableCount, MaxSyllableCount);
count = Math.Min(count, MaxCount);
if (count <= 0 || syllableCount <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var sb = new StringBuilder();
for (int c = 0; c < count; c++)
{
// Generate a password.
for (int l = 0; l < syllableCount; l++)
{
sb.Append(ConsonantSounds[random.GetRandomInt32(ConsonantSounds.Length)]);
sb.Append(VowelSounds[random.GetRandomInt32(VowelSounds.Length)]);
if (sb[sb.Length - 2] != 'g' && sb[sb.Length - 1] != 'h' &&
random.GetRandomSingle() < ProbabilityOfTwoConsonantsInOneSyllable)
{
sb.Append(ConsonantSounds[random.GetRandomInt32(ConsonantSounds.Length)]);
}
if (hyphansBetweenSyllables)
{
sb.Append('-');
}
}
if (hyphansBetweenSyllables && sb[sb.Length - 1] == '-')
{
sb.Remove(sb.Length - 1, 1);
}
// Yield the phrase and reset state.
var result = sb.ToString();
yield return(result);
sb.Clear();
}
sw.Stop();
PostSelectionAction("Pronounceable", count, sw.Elapsed, random);
}
private IEnumerable <string> SelectPins(IRandomNumberGenerator random, int length, int count)
{
length = Math.Min(length, MaxLength);
count = Math.Min(count, MaxCount);
if (count <= 0 || length <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var sb = new StringBuilder();
var blacklist = Blacklist.Value;
for (int c = 0; c < count; c++)
{
for (int l = 0; l < length; l++)
{
sb.Append(Characters[random.GetRandomInt32(Characters.Length)]);
}
var candidate = sb.ToString();
if (!blacklist.Contains(candidate)
// 4 digit PINs starting with '19' are more likely, so weight them lower.
|| (length == 4 && candidate.Substring(0, 2) == "19" && random.GetRandomInt32(0, 3) == 0))
{
yield return(candidate);
}
sb.Clear();
}
sw.Stop();
var bytesRequested = (int)((random as Terninger.Random.CypherBasedPrngGenerator)?.BytesRequested).GetValueOrDefault();
RandomService.LogPasswordStat("Pin", count, sw.Elapsed, bytesRequested, IPAddressHelpers.GetHostOrCacheIp(Request).AddressFamily, HttpContext.GetApiKeyId());
if (!IpThrottlerService.HasAnyUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request)))
{
RandomService.AddWebRequestEntropy(this.Request);
}
IpThrottlerService.IncrementUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request), count);
}
public void Accumulator_RandomEntropyPacketSizes()
{
var a = new EntropyAccumulator(32, 0, _Rng);
int totalEntropy = 0;
for (int i = 0; i < 1000; i++)
{
var bytes = new byte[_Rng.GetRandomInt32(128) + 1];
a.Add(EventFromBytes(bytes));
totalEntropy = totalEntropy + bytes.Length;
}
Assert.AreEqual(a.TotalEntropyBytes, totalEntropy);
Assert.AreEqual(a.AvailableEntropyBytesSinceLastSeed, totalEntropy);
Assert.AreEqual(a.TotalReseedEvents, 0);
}
public static void ShuffleInPlace <T>(this T[] array, IRandomNumberGenerator generator)
{
if (array == null)
{
throw new ArgumentNullException(nameof(array));
}
if (generator == null)
{
throw new ArgumentNullException(nameof(generator));
}
for (int i = array.Length - 1; i > 0; i--)
{
// Swap element "i" with a random earlier element it (or itself)
int swapIndex = generator.GetRandomInt32(i + 1);
T tmp = array[i];
array[i] = array[swapIndex];
array[swapIndex] = tmp;
}
}
public static void ShuffleInPlace <T>(this IList <T> list, IRandomNumberGenerator generator)
{
if (list == null)
{
throw new ArgumentNullException(nameof(list));
}
if (generator == null)
{
throw new ArgumentNullException(nameof(generator));
}
for (int i = list.Count - 1; i > 0; i--)
{
// Swap element "i" with a random earlier element it (or itself)
int swapIndex = generator.GetRandomInt32(i + 1);
T tmp = list[i];
list[i] = list[swapIndex];
list[swapIndex] = tmp;
}
}
private IEnumerable <string> SelectPasswords(IRandomNumberGenerator random, int length, int count, bool includeSymbols)
{
length = Math.Min(length, MaxLength);
count = Math.Min(count, MaxCount);
if (count <= 0 || length <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var chars = includeSymbols ? AllCharacters : AlphanumericCharacters;
var sb = new StringBuilder();
for (int c = 0; c < count; c++)
{
for (int l = 0; l < length; l++)
{
sb.Append(chars[random.GetRandomInt32(chars.Length)]);
}
var result = sb.ToString();
yield return(result);
sb.Clear();
}
sw.Stop();
var bytesRequested = (int)((random as Terninger.Random.CypherBasedPrngGenerator)?.BytesRequested).GetValueOrDefault();
RandomService.LogPasswordStat("AlphaNumeric", count, sw.Elapsed, bytesRequested, IPAddressHelpers.GetHostOrCacheIp(Request).AddressFamily, HttpContext.GetApiKeyId());
if (!IpThrottlerService.HasAnyUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request)))
{
RandomService.AddWebRequestEntropy(this.Request);
}
IpThrottlerService.IncrementUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request), count);
}
private IEnumerable <string> SelectPhrases(IRandomNumberGenerator random, int wordCount, int phraseCount, bool spaces, int minChars, int maxChars, NumericStyles whenNumeric, int numbersToAdd, AllUppercaseStyles whenUpper, int uppersToAdd)
{
if (minChars > maxChars)
{
yield break;
}
phraseCount = Math.Min(phraseCount, MaxCount);
wordCount = Math.Min(wordCount, MaxWords);
if (phraseCount <= 0 || wordCount <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var sb = new StringBuilder();
var dict = Dictionary.Value;
int attempts = 0;
ICollection <IMutator> mutators = null;
if (whenNumeric != NumericStyles.Never || whenUpper != AllUppercaseStyles.Never)
{
mutators = new List <IMutator>();
}
if (whenNumeric != NumericStyles.Never)
{
mutators.Add(new NumericMutator()
{
When = whenNumeric, NumberOfNumbersToAdd = numbersToAdd
});
}
if (whenUpper == AllUppercaseStyles.Anywhere)
{
mutators.Add(new UppercaseMutator()
{
When = UppercaseStyles.Anywhere, NumberOfCharactersToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.StartOfWord)
{
mutators.Add(new UppercaseMutator()
{
When = UppercaseStyles.StartOfWord, NumberOfCharactersToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.WholeWord)
{
mutators.Add(new UppercaseWordMutator()
{
NumberOfWordsToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.RunOfLetters)
{
mutators.Add(new UppercaseRunMutator()
{
NumberOfRuns = uppersToAdd
});
}
MurrayGrant.ReadablePassphrase.Random.RandomSourceBase randomWrapper = null;
if (mutators != null)
{
randomWrapper = new MurrayGrant.ReadablePassphrase.Random.ExternalRandomSource(random.GetRandomBytes);
}
for (int c = 0; c < phraseCount; c++)
{
do
{
// Generate a phrase.
for (int l = 0; l < wordCount; l++)
{
sb.Append(dict[random.GetRandomInt32(dict.Count)]);
sb.Append(' ');
}
sb.Remove(sb.Length - 1, 1);
// Apply mutators.
if (mutators != null)
{
foreach (var m in mutators)
{
m.Mutate(sb, randomWrapper);
}
}
// Finally, remove spaces if required (as the mutators depend on whitespace to do their work).
if (!spaces)
{
for (int i = sb.Length - 1; i >= 0; i--)
{
if (sb[i] == ' ')
{
sb.Remove(i, 1);
}
}
}
attempts++;
// Ensure the final phrase is within the min / max chars.
} while (attempts < MaxAttemptsPerCount && (sb.Length < minChars || sb.Length > maxChars));
if (attempts >= MaxAttemptsPerCount)
{
sb.Clear();
sb.Append("A passphrase could not be found matching your minimum and maximum length requirements");
}
// Yield the phrase and reset state.
var result = sb.ToString();
yield return(result);
sb.Clear();
attempts = 0;
}
sw.Stop();
var bytesRequested = (int)((random as Terninger.Random.CypherBasedPrngGenerator)?.BytesRequested).GetValueOrDefault();
RandomService.LogPasswordStat("Passphrase", phraseCount, sw.Elapsed, bytesRequested, IPAddressHelpers.GetHostOrCacheIp(Request).AddressFamily, HttpContext.GetApiKeyId());
if (!IpThrottlerService.HasAnyUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request)))
{
RandomService.AddWebRequestEntropy(this.Request);
}
IpThrottlerService.IncrementUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request), phraseCount);
}
private IEnumerable <IEnumerable <int> > SelectPatterns(IRandomNumberGenerator random, int gridSize, int pointCount, int count)
{
gridSize = Math.Min(gridSize, MaxGridSize);
count = Math.Min(count, MaxCount);
var gridPoints = gridSize * gridSize;
pointCount = Math.Min(pointCount, gridPoints);
if (count <= 0 || gridSize <= 0 || pointCount <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
// On my Nexus 5X, connected dots must be adjacent, or already chosen.
// Ie: if I choose the top left dot, and then the bottom right dot (even if I slide my finger around the screen so I don't touch any other dot),
// then it still connects the top left, middle and bottom right dots.
// Only if a dot is already part of the pattern can it be "bypassed".
for (int c = 0; c < count; c++)
{
if (gridSize == 1)
{
// If someone wants to use a 1x1 grid, well, it won't break!
yield return new int[] { 1 }
}
;
else if (gridSize == 2)
{
// Although a 2x2 grid works with the code below, we just choose points at random.
var result = Enumerable.Range(1, gridPoints).ToList();
result.ShuffleInPlace(random);
yield return(result);
}
else
{
// Normal sized grids (minimum 3x3).
var result = new List <int>(pointCount);
var grid = new bool[gridSize, gridSize];
// Choose any point on the grid and mark it as taken.
int x = random.GetRandomInt32(gridSize - 1);
int y = random.GetRandomInt32(gridSize - 1);
grid[y, x] = true;
result.Add((y * gridSize) + x + 1);
while (result.Count < pointCount)
{
// Find the distance to the nearest point.
var distance = DistanceToNearestUntakenPoint(grid, y, x);
if (distance <= -1)
{
break;
}
// Count available points at that distance.
var availablePoints = AvailablePointsAtDistance(grid, y, x, distance).ToList();
var countAtDistance = availablePoints.Count;
if (countAtDistance == 0)
{
break; // Should be impossible, but you never know.
}
// Choose one at random.
var choice = countAtDistance <= 1 ? 0 : random.GetRandomInt32(countAtDistance - 1);
(y, x) = availablePoints[choice];
grid[y, x] = true;
result.Add((y * gridSize) + x + 1);
}
yield return(result);
}
}
sw.Stop();
PostSelectionAction("Pattern", count, sw.Elapsed, random);
}
private IEnumerable <string> SelectPasswords(IRandomNumberGenerator random, int length, int count, bool onlyFromBasicMultilingualPlane, bool includeEastAsianCharacters)
{
length = Math.Min(length, MaxLength);
count = Math.Min(count, MaxCount);
if (count <= 0 || length <= 0)
{
yield break;
}
var allowedCategories = includeEastAsianCharacters ? AsianCategories : DefaultCategories;
var sw = System.Diagnostics.Stopwatch.StartNew();
int numberOfCharacters = 0, attempts = 0;
var mask = onlyFromBasicMultilingualPlane ? 0x0000ffff : 0x001fffff;
var maxAttempts = MaxAttemptsPerCodePoint * length;
var sb = new StringBuilder();
for (int i = 0; i < count; i++)
{
numberOfCharacters = 0;
attempts = 0;
sb.Clear();
while (numberOfCharacters < length)
{
// Get random int32 and create a code point from it.
// PERF: can reduce number of bytes required here based on the mask.
var codePoint = random.GetRandomInt32();
codePoint = codePoint & mask; // Mask off the top bits, which aren't used.
attempts++;
// Break if too many attempts.
if (attempts > maxAttempts)
{
break;
}
// Surrogate code points are invalid.
if (this.InvalidSurrogateCodePoints(codePoint))
{
continue;
}
// Ensure the code point is not outside the maximum range.
if (this.InvalidMaxCodePoints(codePoint))
{
continue;
}
// the Int32 to up to 2 Char structs (in a string).
var s = Char.ConvertFromUtf32(codePoint);
var category = Char.GetUnicodeCategory(s, 0);
if (!allowedCategories.Contains(category))
{
// Not allowed category.
continue;
}
sb.Append(s);
numberOfCharacters++;
}
if (attempts >= maxAttempts)
{
sb.Clear();
sb.Append("A password could not be found matching your requirements.");
if (!onlyFromBasicMultilingualPlane)
{
sb.Append(" Try only selecting characters from the Basic Multilingual Plane (`bmp` parameter).");
}
}
var result = sb.ToString();
yield return(result);
attempts = 0;
}
sw.Stop();
PostSelectionAction("Unicode", count, sw.Elapsed, random);
}
private IEnumerable <string> SelectPhrases(IList <string> dict, IRandomNumberGenerator random, int wordCount, int phraseCount, bool spaces, int minChars, int maxChars, NumericStyles whenNumeric, int numbersToAdd, AllUppercaseStyles whenUpper, int uppersToAdd)
{
if (minChars > maxChars)
{
yield break;
}
phraseCount = Math.Min(phraseCount, MaxCount);
wordCount = Math.Min(wordCount, MaxWords);
if (phraseCount <= 0 || wordCount <= 0)
{
yield break;
}
var sw = System.Diagnostics.Stopwatch.StartNew();
var sb = new StringBuilder();
int attempts = 0;
// Setup any mutators required.
ICollection <IMutator> mutators = null;
if (whenNumeric != NumericStyles.Never || whenUpper != AllUppercaseStyles.Never)
{
mutators = new List <IMutator>();
}
if (whenNumeric != NumericStyles.Never)
{
mutators.Add(new NumericMutator()
{
When = whenNumeric, NumberOfNumbersToAdd = numbersToAdd
});
}
if (whenUpper == AllUppercaseStyles.Anywhere)
{
mutators.Add(new UppercaseMutator()
{
When = UppercaseStyles.Anywhere, NumberOfCharactersToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.StartOfWord)
{
mutators.Add(new UppercaseMutator()
{
When = UppercaseStyles.StartOfWord, NumberOfCharactersToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.WholeWord)
{
mutators.Add(new UppercaseWordMutator()
{
NumberOfWordsToCapitalise = uppersToAdd
});
}
else if (whenUpper == AllUppercaseStyles.RunOfLetters)
{
mutators.Add(new UppercaseRunMutator()
{
NumberOfRuns = uppersToAdd
});
}
MurrayGrant.ReadablePassphrase.Random.RandomSourceBase randomWrapper = null;
if (mutators != null)
{
randomWrapper = new MurrayGrant.ReadablePassphrase.Random.ExternalRandomSource(random.GetRandomBytes);
}
for (int c = 0; c < phraseCount; c++)
{
do
{
// Generate a phrase.
for (int l = 0; l < wordCount; l++)
{
sb.Append(dict[random.GetRandomInt32(dict.Count)]);
sb.Append(' ');
}
sb.Remove(sb.Length - 1, 1);
// Apply mutators.
if (mutators != null)
{
foreach (var m in mutators)
{
m.Mutate(sb, randomWrapper);
}
}
// Finally, remove spaces if required (as the mutators depend on whitespace to do their work).
if (!spaces)
{
for (int i = sb.Length - 1; i >= 0; i--)
{
if (sb[i] == ' ')
{
sb.Remove(i, 1);
}
}
}
attempts++;
// Ensure the final phrase is within the min / max chars.
} while (attempts < MaxAttemptsPerCount && (sb.Length < minChars || sb.Length > maxChars));
if (attempts >= MaxAttemptsPerCount)
{
sb.Clear();
sb.Append("A passphrase could not be found matching your minimum and maximum length requirements");
}
// Yield the phrase and reset state.
var result = sb.ToString();
yield return(result);
sb.Clear();
attempts = 0;
}
sw.Stop();
PostSelectionAction("Passphrase", phraseCount, sw.Elapsed, random);
}
public YammerCommandFetcher(IRandomNumberGenerator randomNumberGenerator,
IYammerMessagePoster poster,
IQuoteRetriever quoteRetriever,
IComplimentFetcher complimentFetcher,
IDictionaryService dictionaryService)
{
_randomNumberGenerator = randomNumberGenerator;
_poster = poster;
_quoteRetriever = quoteRetriever;
_complimentFetcher = complimentFetcher;
_dictionaryService = dictionaryService;
_allCommands = new Dictionary<string, Func<Message, Message>>
{
{
"randomquote", (message) =>
{
string quote = null;
try
{
quote = _quoteRetriever.GetNextQuote();
}
finally
{
if (quote == null)
quote = "I don't have any more quotes...";
}
return _poster.PostReply(quote, message.ID);
}
},
{
"tellmetofuckoff", (message) =>
{
return _poster.PostReply("F**k off", message.ID);
}
},
{
"help", (message) =>
{
return _poster.PostReply(
"@@RandomQuote gives a random quote, @@TellMeToFuckOff tells you to f**k off, @@CatFacts will send you a random cat fact",
message.ID);
}
},
{
"catfacts", (message) =>
{
var responses = new Dictionary<int, string>
{
{0, "Cats have 9 lives"},
{1, "Cats are cute"},
{2, "Cats just don't give a f**k"}
};
var selectedResponse =
responses[_randomNumberGenerator.GetRandomInt32(0, 3)];
return _poster.PostReply(selectedResponse, message.ID);
}
},
{
"whispersweetnothingstome", (message) =>
{
return _poster.PostReply(_complimentFetcher.GetRandomComplimentPhrase(), message.ID);
}
},
{
"sexify", (message) =>
{
var cmd = new Command(message.Body.Plain);
var wordDefinitions = cmd.Argument.Split(' ')
.Select(word => WordProcessor.NormalizeWord(word))
.Aggregate(new Dictionary<string,IEnumerable<string>>(),(accum, word) =>
{
if (!accum.Keys.Contains(word))
accum.Add(word, _dictionaryService.GetDefinitions(word));
return accum;
});
return _poster.PostReply(WordProcessor.Sexify(cmd.Argument, wordDefinitions), message.ID);
}
},
};
}
private IEnumerable <string> SelectPasswords(IRandomNumberGenerator random, int length, int count, bool onlyFromBasicMultilingualPlane, bool includeEastAsianCharacters)
{
length = Math.Min(length, MaxLength);
count = Math.Min(count, MaxCount);
if (count <= 0 || length <= 0)
{
yield break;
}
var allowedCategories = includeEastAsianCharacters ? AsianCategories : DefaultCategories;
var sw = System.Diagnostics.Stopwatch.StartNew();
int numberOfCharacters = 0, attempts = 0;
var mask = onlyFromBasicMultilingualPlane ? 0x0000ffff : 0x001fffff;
var sb = new StringBuilder();
for (int i = 0; i < count; i++)
{
numberOfCharacters = 0;
attempts = 0;
sb.Clear();
while (numberOfCharacters < length)
{
// Get random int32 and create a code point from it.
// PERF: can reduce number of bytes required here based on the mask.
var codePoint = random.GetRandomInt32();
codePoint = codePoint & mask; // Mask off the top bits, which aren't used.
attempts++;
// Break if too many attempts.
if (attempts > MaxAttemptsPerCodePoint)
{
continue;
}
// Surrogate code points are invalid.
if (this.InvalidSurrogateCodePoints(codePoint))
{
continue;
}
// Ensure the code point is not outside the maximum range.
if (this.InvalidMaxCodePoints(codePoint))
{
continue;
}
// the Int32 to up to 2 Char structs (in a string).
var s = Char.ConvertFromUtf32(codePoint);
var category = Char.GetUnicodeCategory(s, 0);
if (!allowedCategories.Contains(category))
{
// Not allowed category.
continue;
}
sb.Append(s);
numberOfCharacters++;
}
var result = sb.ToString();
yield return(result);
attempts = 0;
}
sw.Stop();
var bytesRequested = (int)((random as Terninger.Random.CypherBasedPrngGenerator)?.BytesRequested).GetValueOrDefault();
RandomService.LogPasswordStat("Unicode", count, sw.Elapsed, bytesRequested, IPAddressHelpers.GetHostOrCacheIp(Request).AddressFamily, HttpContext.GetApiKeyId());
if (!IpThrottlerService.HasAnyUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request)))
{
RandomService.AddWebRequestEntropy(this.Request);
}
IpThrottlerService.IncrementUsage(IPAddressHelpers.GetHostOrCacheIp(this.HttpContext.Request), count);
}