PasswordDeriveBytes 构造函数

参考

定义

命名空间:: System.Security.Cryptography

程序集:: System.Security.Cryptography.Csp.dll

程序集:: System.Security.Cryptography.dll

程序集:: mscorlib.dll

程序集:: netstandard.dll

重要

一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。

初始化 PasswordDeriveBytes 类的新实例。

重载

PasswordDeriveBytes(Byte[], Byte[])	通过指定用来派生密钥的密码和密钥 salt 初始化 PasswordDeriveBytes 类的新实例。
PasswordDeriveBytes(String, Byte[])	使用用来导出密钥的密码和密钥 salt 初始化 PasswordDeriveBytes 类的新实例。
PasswordDeriveBytes(Byte[], Byte[], CspParameters)	通过指定用来派生密钥的密码、密钥 salt 和加密服务提供程序 (CSP) 初始化 PasswordDeriveBytes 类的新实例。
PasswordDeriveBytes(String, Byte[], CspParameters)	使用用来导出密钥的密码、密钥 salt 和加密服务提供程序 (CSP) 参数初始化 PasswordDeriveBytes 类的新实例。
PasswordDeriveBytes(Byte[], Byte[], String, Int32)	通过指定用来派生密钥的密码、密钥 salt、哈希名和迭代数初始化 PasswordDeriveBytes 类的新实例。
PasswordDeriveBytes(String, Byte[], String, Int32)	使用用来导出密钥的密码、密钥 salt、哈希名和迭代数初始化 PasswordDeriveBytes 类的新实例。
PasswordDeriveBytes(Byte[], Byte[], String, Int32, CspParameters)	通过指定用来派生密钥的密码、密钥 salt、哈希名、迭代数和加密服务提供程序 (CSP) 初始化 PasswordDeriveBytes 类的新实例。
PasswordDeriveBytes(String, Byte[], String, Int32, CspParameters)	使用用来导出密钥的密码、密钥 salt、哈希名、迭代数和加密服务提供程序 (CSP) 参数初始化 PasswordDeriveBytes 类的新实例。

PasswordDeriveBytes(Byte[], Byte[])

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

通过指定用来派生密钥的密码和密钥 salt 初始化 PasswordDeriveBytes 类的新实例。

public:
 PasswordDeriveBytes(cli::array <System::Byte> ^ password, cli::array <System::Byte> ^ salt);

public PasswordDeriveBytes (byte[] password, byte[]? salt);

public PasswordDeriveBytes (byte[] password, byte[] salt);

new System.Security.Cryptography.PasswordDeriveBytes : byte[] * byte[] -> System.Security.Cryptography.PasswordDeriveBytes

Public Sub New (password As Byte(), salt As Byte())

参数

password: Byte[]

为其派生密钥的密码。

salt: Byte[]

用以导出密钥的密钥 salt。

示例

下面的代码示例使用 PasswordDeriveBytes 类从密码创建密钥。

using namespace System;
using namespace System::Security::Cryptography;
using namespace System::Text;

// Generates a random salt value of the specified length.
array<Byte>^ CreateRandomSalt(int length)
{
    // Create a buffer
    array<Byte>^ randomBytes;

    if (length >= 1)
    {
        randomBytes = gcnew array <Byte>(length);
    }
    else
    {
        randomBytes = gcnew array <Byte>(1);
    }

    // Create a new RNGCryptoServiceProvider.
    RNGCryptoServiceProvider^ cryptoRNGProvider =
        gcnew RNGCryptoServiceProvider();

    // Fill the buffer with random bytes.
    cryptoRNGProvider->GetBytes(randomBytes);

    // return the bytes.
    return randomBytes;
}

// Clears the bytes in a buffer so they can't later be read from memory.
void ClearBytes(array<Byte>^ buffer)
{
    // Check arguments.
    if (buffer == nullptr)
    {
        throw gcnew ArgumentNullException("buffer");
    }

    // Set each byte in the buffer to 0.
    for (int x = 0; x <= buffer->Length - 1; x++)
    {
        buffer[x] = 0;
    }
}

int main(array<String^>^ args)
{

    // Get a password from the user.
    Console::WriteLine("Enter a password to produce a key:");

    // Security Note: Never hard-code a password within your
    // source code.  Hard-coded passwords can be retrieved
    // from a compiled assembly.
    array<Byte>^ password = Encoding::Unicode->GetBytes(Console::ReadLine());

    array<Byte>^ randomSalt = CreateRandomSalt(7);

    // Create a TripleDESCryptoServiceProvider object.
    TripleDESCryptoServiceProvider^ cryptoDESProvider =
        gcnew TripleDESCryptoServiceProvider();

    try
    {
        Console::WriteLine("Creating a key with PasswordDeriveBytes...");

        // Create a PasswordDeriveBytes object and then create
        // a TripleDES key from the password and salt.
        PasswordDeriveBytes^ passwordDeriveBytes = gcnew PasswordDeriveBytes
            (password->ToString(), randomSalt);

       // Create the key and set it to the Key property
       // of the TripleDESCryptoServiceProvider object.
       // This example uses the SHA1 algorithm.
       // Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
        cryptoDESProvider->Key = passwordDeriveBytes->CryptDeriveKey
            ("TripleDES", "SHA1", 192, cryptoDESProvider->IV);
        Console::WriteLine("Operation complete.");
    }
    catch (Exception^ ex)
    {
        Console::WriteLine(ex->Message);
    }
    finally
    {
        // Clear the buffers
        ClearBytes(password);
        ClearBytes(randomSalt);

        // Clear the key.
        cryptoDESProvider->Clear();
    }

    Console::ReadLine();
}

using System;
using System.Security.Cryptography;
using System.Text;

public class PasswordDerivedBytesExample
{

    public static void Main(String[] args)
    {

        // Get a password from the user.
        Console.WriteLine("Enter a password to produce a key:");

        byte[] pwd = Encoding.Unicode.GetBytes(Console.ReadLine());

        byte[] salt = CreateRandomSalt(7);

        // Create a TripleDESCryptoServiceProvider object.
        TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();

        try
        {
            Console.WriteLine("Creating a key with PasswordDeriveBytes...");

            // Create a PasswordDeriveBytes object and then create
            // a TripleDES key from the password and salt.
            PasswordDeriveBytes pdb = new PasswordDeriveBytes(pwd, salt);


            // Create the key and set it to the Key property
            // of the TripleDESCryptoServiceProvider object.
            // This example uses the SHA1 algorithm.
            // Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
            tdes.Key = pdb.CryptDeriveKey("TripleDES", "SHA1", 192, tdes.IV);


            Console.WriteLine("Operation complete.");
        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message);
        }
        finally
        {
            // Clear the buffers
            ClearBytes(pwd);
            ClearBytes(salt);

            // Clear the key.
            tdes.Clear();
        }

        Console.ReadLine();
    }

    //////////////////////////////////////////////////////////
    // Helper methods:
    // CreateRandomSalt: Generates a random salt value of the
    //                   specified length.
    //
    // ClearBytes: Clear the bytes in a buffer so they can't
    //             later be read from memory.
    //////////////////////////////////////////////////////////

    public static byte[] CreateRandomSalt(int length)
    {
        // Create a buffer
        byte[] randBytes;

        if (length >= 1)
        {
            randBytes = new byte[length];
        }
        else
        {
            randBytes = new byte[1];
        }

        // Create a new RNGCryptoServiceProvider.
        RNGCryptoServiceProvider rand = new RNGCryptoServiceProvider();

        // Fill the buffer with random bytes.
        rand.GetBytes(randBytes);

        // return the bytes.
        return randBytes;
    }

    public static void ClearBytes(byte[] buffer)
    {
        // Check arguments.
        if (buffer == null)
        {
            throw new ArgumentException("buffer");
        }

        // Set each byte in the buffer to 0.
        for (int x = 0; x < buffer.Length; x++)
        {
            buffer[x] = 0;
        }
    }
}

Imports System.Security.Cryptography
Imports System.Text



Module PasswordDerivedBytesExample


    Sub Main(ByVal args() As String)

        ' Get a password from the user.
        Console.WriteLine("Enter a password to produce a key:")

        Dim pwd As Byte() = Encoding.Unicode.GetBytes(Console.ReadLine())

        Dim salt As Byte() = CreateRandomSalt(7)

        ' Create a TripleDESCryptoServiceProvider object.
        Dim tdes As New TripleDESCryptoServiceProvider()

        Try
            Console.WriteLine("Creating a key with PasswordDeriveBytes...")

            ' Create a PasswordDeriveBytes object and then create 
            ' a TripleDES key from the password and salt.
            Dim pdb As New PasswordDeriveBytes(pwd, salt)


            ' Create the key and set it to the Key property
            ' of the TripleDESCryptoServiceProvider object.
            ' This example uses the SHA1 algorithm.
            ' Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
            tdes.Key = pdb.CryptDeriveKey("TripleDES", "SHA1", 192, tdes.IV)


            Console.WriteLine("Operation complete.")
        Catch e As Exception
            Console.WriteLine(e.Message)
        Finally
            ' Clear the buffers
            ClearBytes(pwd)
            ClearBytes(salt)

            ' Clear the key.
            tdes.Clear()
        End Try

        Console.ReadLine()

    End Sub


    '********************************************************
    '* Helper methods:
    '* createRandomSalt: Generates a random salt value of the 
    '*                   specified length.  
    '*
    '* clearBytes: Clear the bytes in a buffer so they can't 
    '*             later be read from memory.
    '********************************************************
    Function CreateRandomSalt(ByVal length As Integer) As Byte()
        ' Create a buffer
        Dim randBytes() As Byte

        If length >= 1 Then
            randBytes = New Byte(length) {}
        Else
            randBytes = New Byte(0) {}
        End If

        ' Create a new RNGCryptoServiceProvider.
        Dim rand As New RNGCryptoServiceProvider()

        ' Fill the buffer with random bytes.
        rand.GetBytes(randBytes)

        ' return the bytes.
        Return randBytes

    End Function


    Sub ClearBytes(ByVal buffer() As Byte)
        ' Check arguments.
        If buffer Is Nothing Then
            Throw New ArgumentException("buffer")
        End If

        ' Set each byte in the buffer to 0.
        Dim x As Integer
        For x = 0 To buffer.Length - 1
            buffer(x) = 0
        Next x

    End Sub
End Module

注解

重要

切勿在源代码中对密码进行硬编码。可以使用 Ildasm.exe (IL 反汇编程序) （十六进制编辑器）或直接在文本编辑器（如 Notepad.exe）中打开程序集来检索硬编码密码。

另请参阅

加密服务

适用于

PasswordDeriveBytes(String, Byte[])

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

使用用来导出密钥的密码和密钥 salt 初始化 PasswordDeriveBytes 类的新实例。

public:
 PasswordDeriveBytes(System::String ^ strPassword, cli::array <System::Byte> ^ rgbSalt);

public PasswordDeriveBytes (string strPassword, byte[]? rgbSalt);

public PasswordDeriveBytes (string strPassword, byte[] rgbSalt);

new System.Security.Cryptography.PasswordDeriveBytes : string * byte[] -> System.Security.Cryptography.PasswordDeriveBytes

Public Sub New (strPassword As String, rgbSalt As Byte())

参数

strPassword: String

从其导出密钥的密码。

rgbSalt: Byte[]

用以导出密钥的密钥 salt。

注解

重要

切勿在源代码中对密码进行硬编码。可以使用 Ildasm.exe (IL 反汇编程序) 工具、十六进制编辑器，或者只需在文本编辑器（如 notepad.exe）中打开程序集，即可从程序集检索硬编码密码。

另请参阅

加密服务

适用于

PasswordDeriveBytes(Byte[], Byte[], CspParameters)

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

通过指定用来派生密钥的密码、密钥 salt 和加密服务提供程序 (CSP) 初始化 PasswordDeriveBytes 类的新实例。

public:
 PasswordDeriveBytes(cli::array <System::Byte> ^ password, cli::array <System::Byte> ^ salt, System::Security::Cryptography::CspParameters ^ cspParams);

public PasswordDeriveBytes (byte[] password, byte[]? salt, System.Security.Cryptography.CspParameters? cspParams);

public PasswordDeriveBytes (byte[] password, byte[] salt, System.Security.Cryptography.CspParameters cspParams);

new System.Security.Cryptography.PasswordDeriveBytes : byte[] * byte[] * System.Security.Cryptography.CspParameters -> System.Security.Cryptography.PasswordDeriveBytes

Public Sub New (password As Byte(), salt As Byte(), cspParams As CspParameters)

参数

password: Byte[]

为其派生密钥的密码。

salt: Byte[]

用以导出密钥的密钥 salt。

cspParams: CspParameters

用于操作的加密服务提供程序 (CSP) 参数。

示例

下面的代码示例使用 PasswordDeriveBytes 类从密码创建密钥。

using namespace System;
using namespace System::Security::Cryptography;
using namespace System::Text;

// Generates a random salt value of the specified length.
array<Byte>^ CreateRandomSalt(int length)
{
    // Create a buffer
    array<Byte>^ randomBytes;

    if (length >= 1)
    {
        randomBytes = gcnew array <Byte>(length);
    }
    else
    {
        randomBytes = gcnew array <Byte>(1);
    }

    // Create a new RNGCryptoServiceProvider.
    RNGCryptoServiceProvider^ cryptoRNGProvider =
        gcnew RNGCryptoServiceProvider();

    // Fill the buffer with random bytes.
    cryptoRNGProvider->GetBytes(randomBytes);

    // return the bytes.
    return randomBytes;
}

// Clears the bytes in a buffer so they can't later be read from memory.
void ClearBytes(array<Byte>^ buffer)
{
    // Check arguments.
    if (buffer == nullptr)
    {
        throw gcnew ArgumentNullException("buffer");
    }

    // Set each byte in the buffer to 0.
    for (int x = 0; x <= buffer->Length - 1; x++)
    {
        buffer[x] = 0;
    }
}

int main(array<String^>^ args)
{

    // Get a password from the user.
    Console::WriteLine("Enter a password to produce a key:");

    // Security Note: Never hard-code a password within your
    // source code.  Hard-coded passwords can be retrieved
    // from a compiled assembly.
    array<Byte>^ password = Encoding::Unicode->GetBytes(Console::ReadLine());

    array<Byte>^ randomSalt = CreateRandomSalt(7);

    // Create a TripleDESCryptoServiceProvider object.
    TripleDESCryptoServiceProvider^ cryptoDESProvider =
        gcnew TripleDESCryptoServiceProvider();

    try
    {
        Console::WriteLine("Creating a key with PasswordDeriveBytes...");

        // Create a PasswordDeriveBytes object and then create
        // a TripleDES key from the password and salt.
        PasswordDeriveBytes^ passwordDeriveBytes = gcnew PasswordDeriveBytes
            (password->ToString(), randomSalt);

       // Create the key and set it to the Key property
       // of the TripleDESCryptoServiceProvider object.
       // This example uses the SHA1 algorithm.
       // Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
        cryptoDESProvider->Key = passwordDeriveBytes->CryptDeriveKey
            ("TripleDES", "SHA1", 192, cryptoDESProvider->IV);
        Console::WriteLine("Operation complete.");
    }
    catch (Exception^ ex)
    {
        Console::WriteLine(ex->Message);
    }
    finally
    {
        // Clear the buffers
        ClearBytes(password);
        ClearBytes(randomSalt);

        // Clear the key.
        cryptoDESProvider->Clear();
    }

    Console::ReadLine();
}

using System;
using System.Security.Cryptography;
using System.Text;

public class PasswordDerivedBytesExample
{

    public static void Main(String[] args)
    {

        // Get a password from the user.
        Console.WriteLine("Enter a password to produce a key:");

        byte[] pwd = Encoding.Unicode.GetBytes(Console.ReadLine());

        byte[] salt = CreateRandomSalt(7);

        // Create a TripleDESCryptoServiceProvider object.
        TripleDESCryptoServiceProvider tdes = new TripleDESCryptoServiceProvider();

        try
        {
            Console.WriteLine("Creating a key with PasswordDeriveBytes...");

            // Create a PasswordDeriveBytes object and then create
            // a TripleDES key from the password and salt.
            PasswordDeriveBytes pdb = new PasswordDeriveBytes(pwd, salt);


            // Create the key and set it to the Key property
            // of the TripleDESCryptoServiceProvider object.
            // This example uses the SHA1 algorithm.
            // Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
            tdes.Key = pdb.CryptDeriveKey("TripleDES", "SHA1", 192, tdes.IV);


            Console.WriteLine("Operation complete.");
        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message);
        }
        finally
        {
            // Clear the buffers
            ClearBytes(pwd);
            ClearBytes(salt);

            // Clear the key.
            tdes.Clear();
        }

        Console.ReadLine();
    }

    //////////////////////////////////////////////////////////
    // Helper methods:
    // CreateRandomSalt: Generates a random salt value of the
    //                   specified length.
    //
    // ClearBytes: Clear the bytes in a buffer so they can't
    //             later be read from memory.
    //////////////////////////////////////////////////////////

    public static byte[] CreateRandomSalt(int length)
    {
        // Create a buffer
        byte[] randBytes;

        if (length >= 1)
        {
            randBytes = new byte[length];
        }
        else
        {
            randBytes = new byte[1];
        }

        // Create a new RNGCryptoServiceProvider.
        RNGCryptoServiceProvider rand = new RNGCryptoServiceProvider();

        // Fill the buffer with random bytes.
        rand.GetBytes(randBytes);

        // return the bytes.
        return randBytes;
    }

    public static void ClearBytes(byte[] buffer)
    {
        // Check arguments.
        if (buffer == null)
        {
            throw new ArgumentException("buffer");
        }

        // Set each byte in the buffer to 0.
        for (int x = 0; x < buffer.Length; x++)
        {
            buffer[x] = 0;
        }
    }
}

Imports System.Security.Cryptography
Imports System.Text



Module PasswordDerivedBytesExample


    Sub Main(ByVal args() As String)

        ' Get a password from the user.
        Console.WriteLine("Enter a password to produce a key:")

        Dim pwd As Byte() = Encoding.Unicode.GetBytes(Console.ReadLine())

        Dim salt As Byte() = CreateRandomSalt(7)

        ' Create a TripleDESCryptoServiceProvider object.
        Dim tdes As New TripleDESCryptoServiceProvider()

        Try
            Console.WriteLine("Creating a key with PasswordDeriveBytes...")

            ' Create a PasswordDeriveBytes object and then create 
            ' a TripleDES key from the password and salt.
            Dim pdb As New PasswordDeriveBytes(pwd, salt)


            ' Create the key and set it to the Key property
            ' of the TripleDESCryptoServiceProvider object.
            ' This example uses the SHA1 algorithm.
            ' Due to collision problems with SHA1, Microsoft recommends SHA256 or better.
            tdes.Key = pdb.CryptDeriveKey("TripleDES", "SHA1", 192, tdes.IV)


            Console.WriteLine("Operation complete.")
        Catch e As Exception
            Console.WriteLine(e.Message)
        Finally
            ' Clear the buffers
            ClearBytes(pwd)
            ClearBytes(salt)

            ' Clear the key.
            tdes.Clear()
        End Try

        Console.ReadLine()

    End Sub


    '********************************************************
    '* Helper methods:
    '* createRandomSalt: Generates a random salt value of the 
    '*                   specified length.  
    '*
    '* clearBytes: Clear the bytes in a buffer so they can't 
    '*             later be read from memory.
    '********************************************************
    Function CreateRandomSalt(ByVal length As Integer) As Byte()
        ' Create a buffer
        Dim randBytes() As Byte

        If length >= 1 Then
            randBytes = New Byte(length) {}
        Else
            randBytes = New Byte(0) {}
        End If

        ' Create a new RNGCryptoServiceProvider.
        Dim rand As New RNGCryptoServiceProvider()

        ' Fill the buffer with random bytes.
        rand.GetBytes(randBytes)

        ' return the bytes.
        Return randBytes

    End Function


    Sub ClearBytes(ByVal buffer() As Byte)
        ' Check arguments.
        If buffer Is Nothing Then
            Throw New ArgumentException("buffer")
        End If

        ' Set each byte in the buffer to 0.
        Dim x As Integer
        For x = 0 To buffer.Length - 1
            buffer(x) = 0
        Next x

    End Sub
End Module

注解

重要

切勿在源代码中对密码进行硬编码。可以使用 Ildasm.exe (IL 反汇编程序) l（十六进制编辑器）或直接在文本编辑器（如 Notepad.exe）中打开程序集，从程序集检索硬编码密码。

另请参阅

加密服务

适用于

PasswordDeriveBytes(String, Byte[], CspParameters)

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

使用用来导出密钥的密码、密钥 salt 和加密服务提供程序 (CSP) 参数初始化 PasswordDeriveBytes 类的新实例。

public:
 PasswordDeriveBytes(System::String ^ strPassword, cli::array <System::Byte> ^ rgbSalt, System::Security::Cryptography::CspParameters ^ cspParams);

public PasswordDeriveBytes (string strPassword, byte[]? rgbSalt, System.Security.Cryptography.CspParameters? cspParams);

public PasswordDeriveBytes (string strPassword, byte[] rgbSalt, System.Security.Cryptography.CspParameters cspParams);

new System.Security.Cryptography.PasswordDeriveBytes : string * byte[] * System.Security.Cryptography.CspParameters -> System.Security.Cryptography.PasswordDeriveBytes

Public Sub New (strPassword As String, rgbSalt As Byte(), cspParams As CspParameters)

参数

strPassword: String

从其导出密钥的密码。

rgbSalt: Byte[]

用以导出密钥的密钥 salt。

cspParams: CspParameters

操作的 CSP 参数。

注解

重要

另请参阅

加密服务

适用于

PasswordDeriveBytes(Byte[], Byte[], String, Int32)

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

通过指定用来派生密钥的密码、密钥 salt、哈希名和迭代数初始化 PasswordDeriveBytes 类的新实例。

public:
 PasswordDeriveBytes(cli::array <System::Byte> ^ password, cli::array <System::Byte> ^ salt, System::String ^ hashName, int iterations);

public PasswordDeriveBytes (byte[] password, byte[]? salt, string hashName, int iterations);

public PasswordDeriveBytes (byte[] password, byte[] salt, string hashName, int iterations);

new System.Security.Cryptography.PasswordDeriveBytes : byte[] * byte[] * string * int -> System.Security.Cryptography.PasswordDeriveBytes

Public Sub New (password As Byte(), salt As Byte(), hashName As String, iterations As Integer)

参数

password: Byte[]

为其派生密钥的密码。

salt: Byte[]

用以导出密钥的密钥 salt。

hashName: String

用于派生密钥的哈希算法。

iterations: Int32

用于派生密钥的迭代数。

注解

重要

有关哈希算法名称的列表，请参阅 CryptoConfig 类。

另请参阅

适用于

PasswordDeriveBytes(String, Byte[], String, Int32)

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

使用用来导出密钥的密码、密钥 salt、哈希名和迭代数初始化 PasswordDeriveBytes 类的新实例。

public:
 PasswordDeriveBytes(System::String ^ strPassword, cli::array <System::Byte> ^ rgbSalt, System::String ^ strHashName, int iterations);

public PasswordDeriveBytes (string strPassword, byte[]? rgbSalt, string strHashName, int iterations);

public PasswordDeriveBytes (string strPassword, byte[] rgbSalt, string strHashName, int iterations);

new System.Security.Cryptography.PasswordDeriveBytes : string * byte[] * string * int -> System.Security.Cryptography.PasswordDeriveBytes

Public Sub New (strPassword As String, rgbSalt As Byte(), strHashName As String, iterations As Integer)

参数

strPassword: String

从其导出密钥的密码。

rgbSalt: Byte[]

用以导出密钥的密钥 salt。

strHashName: String

操作的哈希算法的名称。

iterations: Int32

操作的迭代数。

注解

重要

有关哈希算法名称的列表，请参阅 CryptoConfig 类。

另请参阅

适用于

PasswordDeriveBytes(Byte[], Byte[], String, Int32, CspParameters)

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

通过指定用来派生密钥的密码、密钥 salt、哈希名、迭代数和加密服务提供程序 (CSP) 初始化 PasswordDeriveBytes 类的新实例。

public:
 PasswordDeriveBytes(cli::array <System::Byte> ^ password, cli::array <System::Byte> ^ salt, System::String ^ hashName, int iterations, System::Security::Cryptography::CspParameters ^ cspParams);

public PasswordDeriveBytes (byte[] password, byte[]? salt, string hashName, int iterations, System.Security.Cryptography.CspParameters? cspParams);

public PasswordDeriveBytes (byte[] password, byte[] salt, string hashName, int iterations, System.Security.Cryptography.CspParameters cspParams);

new System.Security.Cryptography.PasswordDeriveBytes : byte[] * byte[] * string * int * System.Security.Cryptography.CspParameters -> System.Security.Cryptography.PasswordDeriveBytes

Public Sub New (password As Byte(), salt As Byte(), hashName As String, iterations As Integer, cspParams As CspParameters)

参数

password: Byte[]

为其派生密钥的密码。

salt: Byte[]

用以导出密钥的密钥 salt。

hashName: String

用于派生密钥的哈希算法。

iterations: Int32

用于派生密钥的迭代数。

cspParams: CspParameters

用于操作的加密服务提供程序 (CSP) 参数。

注解

重要

有关哈希算法名称的列表，请参阅 CryptoConfig 类。

另请参阅

适用于

PasswordDeriveBytes(String, Byte[], String, Int32, CspParameters)

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

Source:: PasswordDeriveBytes.cs

使用用来导出密钥的密码、密钥 salt、哈希名、迭代数和加密服务提供程序 (CSP) 参数初始化 PasswordDeriveBytes 类的新实例。

public:
 PasswordDeriveBytes(System::String ^ strPassword, cli::array <System::Byte> ^ rgbSalt, System::String ^ strHashName, int iterations, System::Security::Cryptography::CspParameters ^ cspParams);

public PasswordDeriveBytes (string strPassword, byte[]? rgbSalt, string strHashName, int iterations, System.Security.Cryptography.CspParameters? cspParams);

public PasswordDeriveBytes (string strPassword, byte[] rgbSalt, string strHashName, int iterations, System.Security.Cryptography.CspParameters cspParams);

new System.Security.Cryptography.PasswordDeriveBytes : string * byte[] * string * int * System.Security.Cryptography.CspParameters -> System.Security.Cryptography.PasswordDeriveBytes

Public Sub New (strPassword As String, rgbSalt As Byte(), strHashName As String, iterations As Integer, cspParams As CspParameters)

参数

strPassword: String

从其导出密钥的密码。

rgbSalt: Byte[]

用以导出密钥的密钥 salt。

strHashName: String

操作的哈希算法的名称。

iterations: Int32

操作的迭代数。

cspParams: CspParameters

操作的 CSP 参数。

注解

重要

有关哈希算法名称的列表，请参阅 CryptoConfig 类。

另请参阅

适用于

通过

PasswordDeriveBytes 构造函数

定义

重载

PasswordDeriveBytes(Byte[], Byte[])

参数

示例

注解

另请参阅

适用于

PasswordDeriveBytes(String, Byte[])

参数

注解

另请参阅

适用于

PasswordDeriveBytes(Byte[], Byte[], CspParameters)

参数

示例

注解

另请参阅

适用于

PasswordDeriveBytes(String, Byte[], CspParameters)

参数

注解

另请参阅

适用于

PasswordDeriveBytes(Byte[], Byte[], String, Int32)

参数

注解

另请参阅

适用于

PasswordDeriveBytes(String, Byte[], String, Int32)

参数

注解

另请参阅

适用于

PasswordDeriveBytes(Byte[], Byte[], String, Int32, CspParameters)

参数

注解

另请参阅

适用于

PasswordDeriveBytes(String, Byte[], String, Int32, CspParameters)

参数

注解

另请参阅

适用于

其他资源