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Code Examples Index

This page is a catalog of security code examples. Each example is a discreet block of code that includes the intentions and insight behind the code. The examples were drawn from a code example candidate list

C#

VB.NET

Authentication

* Hash a Password Using a Random Salt (VB.NET)

Cookies

* Setting application and ASP.NET 2.0 cookies securely (VB.NET)
* Encrypting and Signing a cookie for use by an external web application (VB.NET)
* Decrypt validate encrypted signed cookie (VB.NET)

Cryptogrpahy

* Generate RSA Keys and Store in the Registry Using DPAPI (VB.NET)
* Generating Cryptographically Secure Random Numbers (VB.NET)
* Decrypt a file via a block cipher using AES (VB.NET)
* Decrypt a file via a block cipher using 3DES (VB.NET)
* Decrypt a string via a block cipher using AES (VB.NET)
* Decrypt a string via a block cipher using 3DES (VB.NET)
* Encrypt a file via a block cipher using AES (VB.NET)
* Encrypt a file via a block cipher using 3DES (VB.NET)
* Export the Public Key from an RSA Key Pair for Distribution (VB.NET)
* Creating and securely storing a symmetric encryption key and Initialization Vector (VB.NET)
* Generate a Message Authentication Code (VB.NET)
* Generate an RSA signature of a given message (VB.NET)
* Import an RSA Public Key from a file and Encrypt a Message (VB.NET)
* Retrieve an RSA Key Pair from the Registry and Decrypt a Message (VB.NET)
* Generate an RSA signature of a given message (VB.NET)

Data Access

* Protect Credentials Within a Connection String in Code (VB.NET)
* Using Parameterized Queries for Secure Database Access (VB.NET)
* Using Stored Procedures for Secure Database Access (VB.NET)

I/O

* Creating a temporary file which avoids canonicalization and race conditions (VB.NET)
* Securely Executing a New Process from a .NET Application (VB.NET)

Input and Data Validation

* Encoding Output within a (VB.NET)
* Validate User Input with Regular Expressions (VB.NET)
* Scoping Data Retrieval from the Request Object (VB.NET)

Registry

* Protect Data in the Registry Using Key Permissions (VB.NET)

ViewState

* Encrypting (VB.NET)

Web Services

* Perform XML schema validation of Web Service payload (VB.NET)

More Information

* Code Example Template
* Code example candidate list

Archive

* Security Code Examples 1

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%21 Code Examples Index
This page is a catalog of security code examples.  Each example is a discreet block of code that includes the intentions and insight behind the code.  The examples were drawn from a %5bcode example candidate list%7cCodeExampleCandidates%5d
 
%21 C%23
%21%21%21 Authentication
	* %5bHash a Password Using a Random Salt %28C%23%29%7cSaltedHashCode%5d
 
%21%21%21 Cookies
	* %5bSetting application and ASP.NET 2.0 cookies securely %28C%23%29%7cCookieModesCode%5d
	* %5bEncrypting and Signing a cookie for use by an external web application %28C%23%29%7cCreateCookieCode%5d
	* %5bDecrypt validate encrypted signed cookie %28C%23%29%7cDecryptCookieCode%5d
 
%21%21%21 Cryptogrpahy
	* %5bGenerate RSA Keys and Store in the Registry Using DPAPI %28C%23%29%7cCreateRSACode%5d
	* %5bDecrypt a file via a block cipher using AES %28C%23%29%7cDecryptFileAESCode%5d
	* %5bDecrypt a file via a block cipher using 3DES %28C%23%29%7cDecryptFileTripleDESCode%5d
	* %5bDecrypt a string via a block cipher using AES %28C%23%29%7cDecryptStringAESCode%5d
	* %5bDecrypt a string via a block cipher using 3DES %28C%23%29%7cDecryptStringTripleDesCode%5d
	* %5bEncrypt a file via a block cipher using AES %28C%23%29%7cEncryptFileAESCode%5d
	* %5bEncrypt a file via a block cipher using 3DES %28C%23%29%7cEncryptFileTripleDesCode%5d
	* %5bExport the Public Key from an RSA Key Pair for Distribution %28C%23%29%7cExportRSAKeyCode%5d
	* %5bCreating and securely storing a symmetric encryption key and Initialization Vector %28C%23%29%7cGenerateCryptoKeyCode%5d
	* %5bGenerate a Message Authentication Code  %28C%23%29%7cGenerateHMacCode%5d
	* %5bGenerate an RSA signature of a given message %28C%23%29%7cGenerateRSASigCode%5d
	* %5bImport an RSA Public Key from a file and Encrypt a Message %28C%23%29%7cImportRSACode%5d
	* %5bRetrieve an RSA Key Pair from the Registry and Decrypt a Message %28C%23%29%7cRetrieveRSAKeyCode%5d
	* %5bGenerate an RSA signature of a given message %28C%23%29%7cValidateRSASigCode%5d
 
%21%21%21 Data Access
	* %5bProtect Credentials Within a Connection String in Code %28C%23%29%7cEncryptedConnStringCode%5d
	* %5bUsing Parameterized Queries for Secure Database Access %28C%23%29%7cParamQueryCode%5d
	* %5bUsing Stored Procedures for Secure Database Access %28C%23%29%7cStoredProcCode%5d
 
%21%21%21 I/O
	* %5bCreating a temporary file which avoids canonicalization and race conditions %28C%23%29%7cSecureFileCreationCode%5d
	* %5bSecurely Executing a New Process from a .NET Application %28C%23%29%7cSecureProcessExecCode%5d
 
%21%21%21 Input and Data Validation
	* %5bEncoding Output within a  %28C%23%29%7cEncryptOutputDataTableCode%5d
	* %5bValidate User Input with Regular Expressions %28C%23%29%7cRegExInputValCode%5d
	* %5bScoping Data Retrieval from the Request Object %28C%23%29%7cRequestObjectScopingCode%5d
 
%21%21%21 Registry
	* %5bProtect Data in the Registry Using Key Permissions %28C%23%29%7cRegistryKeyParmsCode%5d
 
 
%21%21%21 ViewState
	* %5bEncrypting  %28C%23%29%7cEncryptViewStateCode%5d
 
%21%21%21 Web Services
	* %5bPerform XML schema validation of Web Service payload %28C%23%29%7cXMLValidationCode%5d
 
 
%21 VB.NET
 
%21%21%21 Authentication
	* %5bHash a Password Using a Random Salt %28VB.NET%29%7cSaltedHashCode2%5d
 
%21%21%21 Cookies
	* %5bSetting application and ASP.NET 2.0 cookies securely %28VB.NET%29%7cCookieModesCode2%5d
	* %5bEncrypting and Signing a cookie for use by an external web application %28VB.NET%29%7cCreateCookieCode2%5d
	* %5bDecrypt validate encrypted signed cookie %28VB.NET%29%7cDecryptCookieCode2%5d
 
%21%21%21 Cryptogrpahy
	* %5bGenerate RSA Keys and Store in the Registry Using DPAPI %28VB.NET%29%7cCreateRSACode2%5d
	* %5bGenerating Cryptographically Secure Random Numbers %28VB.NET%29%7cSecureRNGCode2%5d
	* %5bDecrypt a file via a block cipher using AES %28VB.NET%29%7cDecryptFileAESCode2%5d
	* %5bDecrypt a file via a block cipher using 3DES %28VB.NET%29%7cDecryptFileTripleDESCode2%5d
	* %5bDecrypt a string via a block cipher using AES %28VB.NET%29%7cDecryptStringAESCode2%5d
	* %5bDecrypt a string via a block cipher using 3DES %28VB.NET%29%7cDecryptStringTripleDesCode2%5d
	* %5bEncrypt a file via a block cipher using AES %28VB.NET%29%7cEncryptFileAESCode2%5d
	* %5bEncrypt a file via a block cipher using 3DES %28VB.NET%29%7cEncryptFileTripleDesCode2%5d
	* %5bExport the Public Key from an RSA Key Pair for Distribution %28VB.NET%29%7cExportRSAKeyCode2%5d
	* %5bCreating and securely storing a symmetric encryption key and Initialization Vector %28VB.NET%29%7cGenerateCryptoKeyCode2%5d
	* %5bGenerate a Message Authentication Code  %28VB.NET%29%7cGenerateHMacCode2%5d
	* %5bGenerate an RSA signature of a given message %28VB.NET%29%7cGenerateRSASigCode2%5d
	* %5bImport an RSA Public Key from a file and Encrypt a Message %28VB.NET%29%7cImportRSACode2%5d
	* %5bRetrieve an RSA Key Pair from the Registry and Decrypt a Message %28VB.NET%29%7cRetrieveRSAKeyCode2%5d
	* %5bGenerate an RSA signature of a given message %28VB.NET%29%7cValidateRSASigCode2%5d
 
%21%21%21 Data Access
	* %5bProtect Credentials Within a Connection String in Code %28VB.NET%29%7cEncryptedConnStringCode2%5d
	* %5bUsing Parameterized Queries for Secure Database Access %28VB.NET%29%7cParamQueryCode2%5d
	* %5bUsing Stored Procedures for Secure Database Access %28VB.NET%29%7cStoredProcCode2%5d
 
%21%21%21 I/O
	* %5bCreating a temporary file which avoids canonicalization and race conditions %28VB.NET%29%7cSecureFileCreationCode2%5d
	* %5bSecurely Executing a New Process from a .NET Application %28VB.NET%29%7cSecureProcessExecCode2%5d
 
%21%21%21 Input and Data Validation
	* %5bEncoding Output within a  %28VB.NET%29%7cEncryptOutputDataTableCode2%5d
	* %5bValidate User Input with Regular Expressions %28VB.NET%29%7cRegExInputValCode2%5d
	* %5bScoping Data Retrieval from the Request Object %28VB.NET%29%7cRequestObjectScopingCode2%5d
 
%21%21%21 Registry
	* %5bProtect Data in the Registry Using Key Permissions %28VB.NET%29%7cRegistryKeyParmsCode2%5d
 
%21%21%21 ViewState
	* %5bEncrypting  %28VB.NET%29%7cEncryptViewStateCode2%5d
 
%21%21%21 Web Services
	* %5bPerform XML schema validation of Web Service payload %28VB.NET%29%7cXMLValidationCode2%5d
 
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%21 More Information
	* %5bCode Example Template%7cCodeExampleTemplate%5d
	* %5bCode example candidate list%7cCodeExampleCandidates%5d
 
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%21 Archive
	* %5bSecurity Code Examples 1%7cSecurityCodeExamples1%5d
 
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Return to %5bHomePage%5d

securitycodeexamples2

Code Examples Index

C#

Authentication

Cookies

Cryptogrpahy

Data Access

I/O

Input and Data Validation

Registry

ViewState

Web Services

VB.NET

Authentication

Cookies

Cryptogrpahy

Data Access

I/O

Input and Data Validation

Registry

ViewState

Web Services

More Information

Archive