本文整理汇总了C#中System.Security.Cryptography.DSAParameters类的典型用法代码示例。如果您正苦于以下问题：C# DSAParameters类的具体用法？C# DSAParameters怎么用？C# DSAParameters使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DSAParameters类属于System.Security.Cryptography命名空间，在下文中一共展示了DSAParameters类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DSASignHash
/// <summary>
/// 数字签名处理.
/// </summary>
/// <param name="HashToSign"></param>
/// <param name="DSAKeyInfo"></param>
/// <param name="HashAlg"></param>
/// <returns></returns>
public static byte[] DSASignHash(byte[] HashToSign, DSAParameters DSAKeyInfo, string HashAlg)
{
try
{
//Create a new instance of DSACryptoServiceProvider.
DSACryptoServiceProvider DSA = new DSACryptoServiceProvider();
//Import the key information.
DSA.ImportParameters(DSAKeyInfo);
//Create an DSASignatureFormatter object and pass it the
//DSACryptoServiceProvider to transfer the private key.
DSASignatureFormatter DSAFormatter = new DSASignatureFormatter(DSA);
//Set the hash algorithm to the passed value.
DSAFormatter.SetHashAlgorithm(HashAlg);
//Create a signature for HashValue and return it.
return DSAFormatter.CreateSignature(HashToSign);
}
catch (CryptographicException e)
{
Console.WriteLine(e.Message);
return null;
}
}示例2: DSASignHash
//-------------------------------------------------------------------------
// Шифруем закрытым ключем Хеш-таблицу
public static byte[] DSASignHash(byte[] HashToSign, DSAParameters DSAKeyInfo,
string HashAlg)
{
byte[] sig = null;
try
{
// Создаем новыый экземпляр класса
using (DSACryptoServiceProvider DSA = new DSACryptoServiceProvider())
{
// Импортируем ключи, в данном случае закрытый ключ
DSA.ImportParameters(DSAKeyInfo);
// Создаем объект класса DSASignatureFormatter и передаем ему DSACryptoServiceProvider закрытый ключ
DSASignatureFormatter DSAFormatter = new DSASignatureFormatter(DSA);
// Устанавливаем алгоритм шифрования
DSAFormatter.SetHashAlgorithm(HashAlg);
// Создаем подпись для хеш-таблицы и возвращаем ее значение
sig = DSAFormatter.CreateSignature(HashToSign);
}
}
catch (CryptographicException e)
{
Console.WriteLine(e.Message);
}
return sig;
}示例3: GetSignature
/// <summary>
/// Gets the signature.
/// </summary>
/// <param name="key">The key data bytes.</param>
/// <returns></returns>
public override byte[] GetSignature(IEnumerable<byte> key)
{
var data = key.ToArray();
//using (var sha1 = new Renci.SshNet.Security.Cryptography.SHA1Hash())
using (var sha1 = new System.Security.Cryptography.SHA1CryptoServiceProvider())
{
using (var cs = new System.Security.Cryptography.CryptoStream(System.IO.Stream.Null, sha1, System.Security.Cryptography.CryptoStreamMode.Write))
{
cs.Write(data, 0, data.Length);
}
var dsaKeyInfo = new System.Security.Cryptography.DSAParameters();
dsaKeyInfo.X = this._privateKey.TrimLeadingZero().ToArray();
dsaKeyInfo.P = this._p.TrimLeadingZero().ToArray();
dsaKeyInfo.Q = this._q.TrimLeadingZero().ToArray();
dsaKeyInfo.G = this._g.TrimLeadingZero().ToArray();
using (var DSA = new System.Security.Cryptography.DSACryptoServiceProvider())
{
DSA.ImportParameters(dsaKeyInfo);
var DSAFormatter = new DSASignatureFormatter(DSA);
DSAFormatter.SetHashAlgorithm("SHA1");
var signature = DSAFormatter.CreateSignature(sha1);
return new SignatureKeyData
{
AlgorithmName = this.Name,
Signature = signature,
}.GetBytes().ToArray();
}
}
}示例4: DigitalSignatureAlgorithm_compare_parameters_generation_with_original_Pidgin_OffTheRecord_data
public void DigitalSignatureAlgorithm_compare_parameters_generation_with_original_Pidgin_OffTheRecord_data()
{
// Arrange
const string p =
"AEC0FBB4CEA96EF8BDD0E91D1BA2F6641B6535CBDA8D739CC2898FE7B472865AB60AD2B1BAA2368603C7439E63BC2F2F33D422E70173F70DB738DF5979EAEAF3CAC343CBF711960E16786703C80DF0734D8330DC955DA84B521DAB5C729202F1244D805E6BF2CC7A7142CAD74BE5FFFC14B9CCB6CABB7DB10A8F2DDB4E82383F";
const string q = "A2A2BC20E2D94C44C63608479C79068CE7914EF3";
const string g =
"69B9FC5A73F3F6EA3A86F8FA3A203F42DACDC3A1516002025E5765A9DCB975F348ACBBA2116230E19CE3FC5256546FD168A2940809BDA8655771967E9CD90AF44D2C20F97F448494213A775E23607F33C255A9A74E2A5FC7B4D50BAD024D7EFAC282E67332D51A5F69239011FE058D7E75E97A788FBD5B3BAD796B2C6D8C6C3E";
const string y =
"9931144F3059D92FCB2AAC03B130DAE43ED1EF30AA2F0E670C3974C3E80C7110D1A60210F92479D7F640C20E1F16E01B4A72FF8D45443B01EBE2D67DF49791CAC6191B159AC39446EB6A2EA597B6B678CC3157AECEAB12A804CF0772068A942EC819138EDD6005620FE746522FF408BBC8211ABD9D6016AA46EEC87F3F04CFA4";
const string x = "48BFDA215C31A9F0B226B3DB11F862450A0F30DA"; /* private key */
// Act
var param = new DSAParameters();
param.X = General.StringToByteArray(x);
param.P = General.StringToByteArray(p);
param.Q = General.StringToByteArray(q);
param.G = General.StringToByteArray(g);
param.Y = General.StringToByteArray(y);
var dsa = new DSACryptoServiceProvider(1024);
dsa.ImportParameters(param);
DSAParameters output = dsa.ExportParameters(true);
// Assert
param.X.SequenceEqual(output.X).Should().BeTrue();
param.P.SequenceEqual(output.P).Should().BeTrue();
param.Q.SequenceEqual(output.Q).Should().BeTrue();
param.G.SequenceEqual(output.G).Should().BeTrue();
param.Y.SequenceEqual(output.Y).Should().BeTrue();
}示例5: DSAVerifyHash
private static bool DSAVerifyHash(byte[] HashValue, byte[] SignedHashValue, DSAParameters publickeyinfo, string HashAlg)
{
bool verified = false;
try
{
//Create a new instance of DSACryptoServiceProvider
using(DSACryptoServiceProvider dsa = new DSACryptoServiceProvider())
{
//Import the key information
dsa.ImportParameters(publickeyinfo);
// Create an DSASignatureDeformatter object and pass it the DSACryptoServiceProvider to transfer the private key.
//DSASignatureDeformatter dsaDeformatter = new DSASignatureDeformatter(dsa);
//Set the hash algorithm to the passed value.
//dsaDeformatter.SetHashAlgorithm(HashAlg);
//Verify signature and return the result
//Verify hashed files //Verify hashed data
verified = dsa.VerifyData(HashValue, SignedHashValue); //dsaDeformatter.VerifySignature(HashValue, SignedHashValue);
}
}
catch(Exception e)
{
Console.WriteLine(e.Message);
}
return verified;
}示例6: FromXmlString
public override void FromXmlString (string xmlString)
{
if (xmlString == null)
throw new ArgumentNullException ("xmlString");
DSAParameters dsaParams = new DSAParameters ();
try {
dsaParams.P = GetNamedParam (xmlString, "P");
dsaParams.Q = GetNamedParam (xmlString, "Q");
dsaParams.G = GetNamedParam (xmlString, "G");
dsaParams.J = GetNamedParam (xmlString, "J");
dsaParams.Y = GetNamedParam (xmlString, "Y");
dsaParams.X = GetNamedParam (xmlString, "X");
dsaParams.Seed = GetNamedParam (xmlString, "Seed");
byte[] counter = GetNamedParam (xmlString, "PgenCounter");
if (counter != null) {
byte[] counter4b = new byte [4]; // always 4 bytes
Buffer.BlockCopy (counter, 0, counter4b, 0, counter.Length);
dsaParams.Counter = BitConverterLE.ToInt32 (counter4b, 0);
}
ImportParameters (dsaParams);
}
catch {
ZeroizePrivateKey (dsaParams);
throw;
}
finally {
ZeroizePrivateKey (dsaParams);
}
}示例7: DSAVerifyHash
//-------------------------------------------------------------------
public static bool DSAVerifyHash(byte[] HashValue, byte[] SignedHashValue,
DSAParameters DSAKeyInfo, string HashAlg)
{
bool verified = false;
try
{
// Создаем новый экземпляр класса DSACryptoServiceProvider.
using (DSACryptoServiceProvider DSA = new DSACryptoServiceProvider())
{
// Импортируем ключи
DSA.ImportParameters(DSAKeyInfo);
//Создаем объект класса DSASignatureFormatter и передаем ему DSACryptoServiceProvider закрытый ключ
DSASignatureDeformatter DSADeformatter = new DSASignatureDeformatter(DSA);
// Устанавливаем алгоритм шифрования
DSADeformatter.SetHashAlgorithm(HashAlg);
// Сверяем подписи и возвращаем результат
verified = DSADeformatter.VerifySignature(HashValue, SignedHashValue);
}
}
catch (CryptographicException e)
{
Console.WriteLine(e.Message);
}
return verified;
}示例8: ImportParameters
public override void ImportParameters(DSAParameters parameters)
{
if (parameters.P == null || parameters.Q == null || parameters.G == null || parameters.Y == null)
throw new ArgumentException(SR.Cryptography_InvalidDsaParameters_MissingFields);
// J is not required and is not even used on CNG blobs. It should however be less than P (J == (P-1) / Q). This validation check
// is just to maintain parity with DSACryptoServiceProvider, which also performs this check.
if (parameters.J != null && parameters.J.Length >= parameters.P.Length)
throw new ArgumentException(SR.Cryptography_InvalidDsaParameters_MismatchedPJ);
bool hasPrivateKey = parameters.X != null;
int keySizeInBytes = parameters.P.Length;
int keySizeInBits = keySizeInBytes * 8;
if (parameters.G.Length != keySizeInBytes || parameters.Y.Length != keySizeInBytes)
throw new ArgumentException(SR.Cryptography_InvalidDsaParameters_MismatchedPGY);
if (hasPrivateKey && parameters.X.Length != parameters.Q.Length)
throw new ArgumentException(SR.Cryptography_InvalidDsaParameters_MismatchedQX);
byte[] blob;
if (keySizeInBits <= MaxV1KeySize)
{
GenerateV1DsaBlob(out blob, parameters, keySizeInBytes, hasPrivateKey);
}
else
{
GenerateV2DsaBlob(out blob, parameters, keySizeInBytes, hasPrivateKey);
}
ImportKeyBlob(blob, hasPrivateKey);
}示例9: FromXmlString
public override void FromXmlString(string xmlString)
{
if (xmlString == null)
{
throw new ArgumentNullException("xmlString");
}
DSAParameters parameters = new DSAParameters();
SecurityElement topElement = new Parser(xmlString).GetTopElement();
string inputBuffer = topElement.SearchForTextOfLocalName("P");
if (inputBuffer == null)
{
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString", new object[] { "DSA", "P" }));
}
parameters.P = Convert.FromBase64String(Utils.DiscardWhiteSpaces(inputBuffer));
string str2 = topElement.SearchForTextOfLocalName("Q");
if (str2 == null)
{
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString", new object[] { "DSA", "Q" }));
}
parameters.Q = Convert.FromBase64String(Utils.DiscardWhiteSpaces(str2));
string str3 = topElement.SearchForTextOfLocalName("G");
if (str3 == null)
{
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString", new object[] { "DSA", "G" }));
}
parameters.G = Convert.FromBase64String(Utils.DiscardWhiteSpaces(str3));
string str4 = topElement.SearchForTextOfLocalName("Y");
if (str4 == null)
{
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString", new object[] { "DSA", "Y" }));
}
parameters.Y = Convert.FromBase64String(Utils.DiscardWhiteSpaces(str4));
string str5 = topElement.SearchForTextOfLocalName("J");
if (str5 != null)
{
parameters.J = Convert.FromBase64String(Utils.DiscardWhiteSpaces(str5));
}
string str6 = topElement.SearchForTextOfLocalName("X");
if (str6 != null)
{
parameters.X = Convert.FromBase64String(Utils.DiscardWhiteSpaces(str6));
}
string str7 = topElement.SearchForTextOfLocalName("Seed");
string str8 = topElement.SearchForTextOfLocalName("PgenCounter");
if ((str7 != null) && (str8 != null))
{
parameters.Seed = Convert.FromBase64String(Utils.DiscardWhiteSpaces(str7));
parameters.Counter = Utils.ConvertByteArrayToInt(Convert.FromBase64String(Utils.DiscardWhiteSpaces(str8)));
}
else if ((str7 != null) || (str8 != null))
{
if (str7 == null)
{
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString", new object[] { "DSA", "Seed" }));
}
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString", new object[] { "DSA", "PgenCounter" }));
}
this.ImportParameters(parameters);
}示例10: FromXmlString
// We can provide a default implementation of FromXmlString because we require
// every DSA implementation to implement ImportParameters
// All we have to do here is parse the XML.
public override void FromXmlString(String xmlString) {
if (xmlString == null) throw new ArgumentNullException("xmlString");
Contract.EndContractBlock();
DSAParameters dsaParams = new DSAParameters();
Parser p = new Parser(xmlString);
SecurityElement topElement = p.GetTopElement();
// P is always present
String pString = topElement.SearchForTextOfLocalName("P");
if (pString == null) {
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString","DSA","P"));
}
dsaParams.P = Convert.FromBase64String(Utils.DiscardWhiteSpaces(pString));
// Q is always present
String qString = topElement.SearchForTextOfLocalName("Q");
if (qString == null) {
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString","DSA","Q"));
}
dsaParams.Q = Convert.FromBase64String(Utils.DiscardWhiteSpaces(qString));
// G is always present
String gString = topElement.SearchForTextOfLocalName("G");
if (gString == null) {
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString","DSA","G"));
}
dsaParams.G = Convert.FromBase64String(Utils.DiscardWhiteSpaces(gString));
// Y is always present
String yString = topElement.SearchForTextOfLocalName("Y");
if (yString == null) {
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString","DSA","Y"));
}
dsaParams.Y = Convert.FromBase64String(Utils.DiscardWhiteSpaces(yString));
// J is optional
String jString = topElement.SearchForTextOfLocalName("J");
if (jString != null) dsaParams.J = Convert.FromBase64String(Utils.DiscardWhiteSpaces(jString));
// X is optional -- private key if present
String xString = topElement.SearchForTextOfLocalName("X");
if (xString != null) dsaParams.X = Convert.FromBase64String(Utils.DiscardWhiteSpaces(xString));
// Seed and PgenCounter are optional as a unit -- both present or both absent
String seedString = topElement.SearchForTextOfLocalName("Seed");
String pgenCounterString = topElement.SearchForTextOfLocalName("PgenCounter");
if ((seedString != null) && (pgenCounterString != null)) {
dsaParams.Seed = Convert.FromBase64String(Utils.DiscardWhiteSpaces(seedString));
dsaParams.Counter = Utils.ConvertByteArrayToInt(Convert.FromBase64String(Utils.DiscardWhiteSpaces(pgenCounterString)));
} else if ((seedString != null) || (pgenCounterString != null)) {
if (seedString == null) {
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString","DSA","Seed"));
} else {
throw new CryptographicException(Environment.GetResourceString("Cryptography_InvalidFromXmlString","DSA","PgenCounter"));
}
}
ImportParameters(dsaParams);
}示例11: GetDsaPublicKey
public static DsaPublicKeyParameters GetDsaPublicKey(DSAParameters dp)
{
DsaValidationParameters validationParameters = (dp.Seed != null) ? new DsaValidationParameters(dp.Seed, dp.Counter) : null;
var parameters = new DsaParameters(new BigInteger(1, dp.P), new BigInteger(1, dp.Q), new BigInteger(1, dp.G), validationParameters);
return new DsaPublicKeyParameters(new BigInteger(1, dp.Y), parameters);
}示例12: GeneratePrivate
public override PrivateKey GeneratePrivate (KeySpec key)
{
DSAPrivateKeySpec spec = (DSAPrivateKeySpec) key;
DSAParameters dsp = new DSAParameters ();
dsp.G = spec.GetG ().GetBytes ();
dsp.P = spec.GetP ().GetBytes ();
dsp.Q = spec.GetQ ().GetBytes ();
dsp.X = spec.GetX ().GetBytes ();
return new DSAPrivateKey (dsp);
}示例13: CryptographyParams
static CryptographyParams()
{
dsap = new DSAParameters();
dsap.Counter = 380;
dsap.G = new byte[] { 0x4E, 0x6F, 0xE7, 0x44, 0xDD, 0x60, 0x88, 0xFF, 0x2A, 0x72, 0x45, 0x70, 0xC3, 0x43, 0xE0, 0x9D, 0xCA, 0x11, 0x0F, 0x38, 0x06, 0xB2, 0xBE, 0x96, 0x72, 0xB8, 0xD2, 0xD5, 0xEB, 0xF7, 0xD3, 0xD2, 0x9B, 0xFE, 0x8A, 0x10, 0xFB, 0x93, 0xB1, 0x76, 0xBB, 0x7D, 0xAC, 0x6B, 0x0E, 0xAE, 0xD3, 0x9E, 0x73, 0xCA, 0x9C, 0x29, 0x01, 0x84, 0xA4, 0x97, 0xB4, 0x59, 0xA1, 0x65, 0x9F, 0xD6, 0x0B, 0x94 };
dsap.J = new byte[] { 0xBB, 0x6C, 0x04, 0xD1, 0xCD, 0x7B, 0xDF, 0xB4, 0x4D, 0x70, 0xDC, 0x1E, 0xBD, 0xC8, 0xA3, 0x21, 0xB5, 0xA0, 0x80, 0xBC, 0xF1, 0xA6, 0x61, 0xBA, 0x51, 0x11, 0x15, 0xD4, 0x86, 0xEC, 0x28, 0x55, 0x7E, 0x2A, 0x21, 0xAD, 0xFF, 0x96, 0xEB, 0x8C, 0xB1, 0xF4, 0xA0, 0x5A };
dsap.P = new byte[] { 0x81, 0x66, 0x5B, 0xF0, 0x6C, 0x13, 0x07, 0x62, 0xEC, 0x5E, 0xB8, 0x8E, 0xEE, 0x76, 0xF2, 0x32, 0x4C, 0x01, 0x7B, 0x81, 0x45, 0x08, 0x22, 0x5D, 0x79, 0x6F, 0x3B, 0x88, 0x07, 0x43, 0x75, 0x23, 0x9D, 0x62, 0xB6, 0x7F, 0xE5, 0xC4, 0x01, 0x4F, 0x63, 0xAE, 0x7B, 0x58, 0xA9, 0x2C, 0x70, 0xF3, 0x2A, 0xFD, 0x2E, 0x72, 0xF3, 0x90, 0x01, 0x6B, 0xCF, 0x68, 0xE5, 0x46, 0x54, 0xD5, 0xED, 0x8F };
dsap.Q = new byte[] { 0xB0, 0xBF, 0x5B, 0x8F, 0xAD, 0xC5, 0x15, 0x3D, 0x52, 0x90, 0x1B, 0x7D, 0x58, 0x6A, 0x1F, 0x5E, 0x47, 0x09, 0xC7, 0x43 };
dsap.Seed = new byte[] { 0xA0, 0x13, 0xA1, 0x17, 0x47, 0x9D, 0x0B, 0x7B, 0x2C, 0xA5, 0x70, 0x72, 0xF4, 0x88, 0x72, 0x89, 0x54, 0x12, 0x4C, 0x64 };
dsap.Y = new byte[] { 0x20, 0xA5, 0x63, 0x06, 0xA2, 0x59, 0xA1, 0x2F, 0x6B, 0xE3, 0x49, 0x83, 0x29, 0x8D, 0x5A, 0xA7, 0x8B, 0x9E, 0xF8, 0x33, 0x32, 0xE9, 0xB5, 0xFB, 0x52, 0xF3, 0xD3, 0xB4, 0x7B, 0xEA, 0xDB, 0xC1, 0xB5, 0x8E, 0x89, 0x47, 0x29, 0x4C, 0xD9, 0x33, 0xD0, 0xA8, 0xDA, 0x1E, 0x93, 0x70, 0x80, 0x3D, 0x55, 0x60, 0x35, 0x95, 0x6F, 0xD9, 0xD4, 0xD1, 0x5E, 0x06, 0x41, 0x3E, 0x3E, 0xEC, 0xD6, 0x14 };
}示例14: GetDsaKeyPair
public static AsymmetricCipherKeyPair GetDsaKeyPair(DSAParameters dp)
{
DsaValidationParameters validationParameters = (dp.Seed != null) ? new DsaValidationParameters(dp.Seed, dp.Counter) : null;
var parameters = new DsaParameters(new BigInteger(1, dp.P), new BigInteger(1, dp.Q), new BigInteger(1, dp.G), validationParameters);
var pubKey = new DsaPublicKeyParameters(new BigInteger(1, dp.Y), parameters);
var privKey = new DsaPrivateKeyParameters(new BigInteger(1, dp.X), parameters);
return new AsymmetricCipherKeyPair(pubKey, privKey);
}示例15: AssertEquals
// may also help for DSA descendants
public void AssertEquals (string message, DSAParameters expectedKey, DSAParameters actualKey, bool checkPrivateKey)
{
Assert.AreEqual (expectedKey.Counter, actualKey.Counter, message + " Counter");
AssertEquals (message + " G", expectedKey.G, actualKey.G);
AssertEquals (message + " J", expectedKey.J, actualKey.J);
AssertEquals (message + " P", expectedKey.P, actualKey.P);
AssertEquals (message + " Q", expectedKey.Q, actualKey.Q);
AssertEquals (message + " Seed", expectedKey.Seed, actualKey.Seed);
AssertEquals (message + " Y", expectedKey.Y, actualKey.Y);
if (checkPrivateKey)
AssertEquals (message + " X", expectedKey.X, actualKey.X);
}