Oct 23, 2008 Hi all, The other day a colleague of mine asked me if I had a.NET version of the C sample in How to generate key pairs, encrypt and decrypt data with CryptoAPI post. C sample calls CryptoAPI directly (and you know we can do the same thing in.NET through P/Invoke), but the idea was to use. The cipherlist command converts OpenSSL cipher lists into ordered SSL cipher preference lists. It can be used as a test tool to determine the appropriate cipherlist. Options-v (verbose option) lists ciphers with a complete description of protocol version (SSLv2 or SSLv3; the latter includes TLS) key exchange, authentication encryption and mac algorithms used along with any key.

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APPLIES TO: SQL Server SSIS Integration Runtime in Azure Data Factory Azure Synapse Analytics (SQL DW) https://blitzcelestial684.weebly.com/blog/vmware-51-client-download.

If you need to create packages dynamically, or to manage and execute Integration Services packages outside the development environment, you can manipulate packages programmatically. In this approach, you have a continuous range of options:

• Load and execute an existing package without modification.

• Load an existing package, reconfigure it (for example, for a different data source), and execute it.

• Create a new package, add and configure components object by object and property by property, save it, and execute it.

You can use the Integration Services object model to write code that creates, configures, and executes packages in any managed programming language. For example, you may want to create metadata-driven packages that configure their connections or their data sources, transformations, and destinations based on the selected data source and its tables and columns.

This section describes and demonstrates how to create and configure a package programmatically line by line. At the less complex end of the range of package programming options, you can simply load and run an existing package without modification as described in Running and Managing Packages Programmatically.

An intermediate option not described here is that of loading an existing package as a template, reconfiguring it (for example, for a different data source), and executing it. You can also use the information in this section to modify the existing objects in a package.

Note

When you use an existing package as a template and modify existing columns in the data flow, you may have to remove existing columns and call the ReinitializeMetaData method of affected components.

In This Section

Creating a Package Programmatically
Describes how to create a package programmatically.

Adding Tasks Programmatically
Describes how to add tasks to the package.

Connecting Tasks Programmatically
Describes how to control execution of the containers and tasks in a package based on the result of the execution of a previous task or container.

Adding Connections Programmatically
Describes how to add connection managers to a package.

Working with Variables Programmatically
Describes how to add and use variables during package execution.

Handling Events Programmatically
Describes how to handle package and task events.

Enabling Logging Programmatically
Describes how to enable logging for a package or task, and how to apply custom filters to log events.

/free-online-activation-key-generator.html. Adding the Data Flow Task Programmatically
Describes how to add and configure the Data Flow task and its components.

Discovering Data Flow Components Programmatically
Describes how to detect the components that are installed on the local computer.

Adding Data Flow Components Programmatically
Describes how to add a component to a data flow task.

Connecting Data Flow Components Programmatically
Describes how to connect two data flow components.

Selecting Input Columns Programmatically
Describes how to select input columns from those that are provided to a component by upstream components in the data flow.

Saving a Package Programmatically
Describes how to save a package programmatically.

Reference

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Integration Services Error and Message Reference
Lists the predefined Integration Services error codes with their symbolic names and descriptions.

Related Sections

Extending Packages with Scripting
Discusses how to extend the control flow by using the Script task, and how to extend the data flow by using the Script component.

Extending Packages with Custom Objects
Discusses how to create program custom tasks, data flow components, and other package objects for use in multiple packages.

Running and Managing Packages Programmatically
Discusses how to enumerate, run, and manage packages and the folders in which they are stored.

External Resources

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• CodePlex samples, Integration Services Product Samples, on www.codeplex.com/MSFTISProdSamples

• Blog entry, Performance profiling your custom extensions, on blogs.msdn.com.

See Also

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The Microsoft Enhanced RSA and AES Cryptographic Provider supports the same capabilities as the Microsoft Base Cryptographic Provider, called the Base Provider. The AES Provider supports stronger security through longer keys and additional algorithms. It can be used with all versions of CryptoAPI.

Windows XP: The Microsoft AES Cryptographic Provider was named Microsoft Enhanced RSA and AES Cryptographic Provider (Prototype).

To maintain backward compatibility with earlier provider versions, the provider name, as defined in the Wincrypt.h header file, retains the version 1.0 designation even though newer versions of this provider have been shipped. To determine the version of the provider in use, call CryptGetProvParam with the dwParam parameter set to PP_VERSION. Version 2.0 is in use if 0x0200 is returned.

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Provider type:	PROV_RSA_AES
Provider name:	MS_ENH_RSA_AES_PROV

The following table highlights differences between the Base Provider, Strong Provider, and AES Provider. The key lengths shown are the default key lengths.

Algorithm	Base Provider key length	Strong Provider key length	AES Provider key length
RSA public key signature algorithm	512 bits	1,024 bits	1,024 bits
RSA public key exchange algorithm	512 bits	1,024 bits	1,024 bits
RC2 block encryption algorithm	40 bits	128 bits	128 bits Salt length can be set.
RC4 stream encryption algorithm	40 bits	128 bits	128 bits Salt length can be set.
DES	56 bits	56 bits	56 bits
Triple DES (2 key)	Not supported	112 bits	112 bits
Triple DES (3 key)	Not supported	168 bits	168 bits

For a complete list of supported algorithms, see AES Provider Algorithms.

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The Strong Provider, Enhanced Provider, and AES Provider are backward-compatible with the Base Provider except that the providers can generate only RC2 or RC4 keys of default key length. The default length for the Base Provider is 40 bits. The default length for the AES Provider is 128 bits. Thus the AES Provider cannot create keys with Base Provider-compatible key lengths. However, the AES Provider can import RC2 and RC4 keys of up to 128 bits. Therefore, the AES Provider can import and use 40-bit keys generated by using the Base Provider.