The technical reference manual covers the design and internals of cryptlib itself. cryptlib features 11 Performance cryptlib is re-entrant and completely thread-safe . This interface is more “Delphi-like” than , which is “C-like”. for DelphiCryptlib, but you should have read Peter Gutman’s cryptlib manual before. The cryptlib manual [23, page 35] states that the programmer is required to check that each function returns CRYPT_OK, and that the wrong code shown above.

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A Helpfile is available for DelphiCryptlib, but you should have read Peter Gutman’s cryptlib manual before. To subscribe, send mail to the list administrator with the word “subscribe” in the message body.

Anyone who has a support manusl for cryptlib version 3. In particular you can’t distribute cryptlib or any modified form of it as your own encryption product. If Cert is a TCryptCert variable, you may use:. The GPL-compatible license a. This interface is more “Delphi-like” than cryptlib.

You can also get the documentation in Windows help format conversion performed by David Kelvin. The user manual is intended for everyday cryptlib use and contains detailed documentation on every aspect of cryptlib’s functionality.

– Objectoriented Delphi interface for Peter Gutman’s Cryptlib library

In addition the author reserves manuak right to grant free licenses for commercial use in special cases for example where there is a general benefit to the publiccontact the author for details if you think you qualify. These routines provide an unprecedented level of performance, in most cases running faster than expensive, specialised encryption hardware designed to perform the same task.

The application programming interface API serves as an interface to a range of plug-in encryption modules that allow encryption algorithms to be added in a fairly transparent manner, so that adding a new algorithm or replacing an existing software implementation with custom encryption hardware can be done without any manuao. You should receive a reply informing you that you’ve been added to the list. This allows cryptlib to be used in freeware and shareware applications, for evaluation and research purposes, and for non-revenue-generating or personal use without charge.


The essential objects defined in DelphiCryptlib. Most cryptlib attributes are defined as properties in DelphiCryptlib. There is a very low volume mailing list available that covers cryptlib development and usage and implementation details. You don’t have to check the return codes after every cryptlib call. If you’re unable to comply with the above license then the following, alternate usage conditions apply:.

Cfyptlib standardised API allows any of the algorithms and modes supported by cryptlib to be used with a minimum of coding effort. In addition the technical manual provides a wealth of background information to help users understand the security foundations on which cryptlib is built.

Exact terms are given at the bottom of this page. Delphi interface file generated from cryptlib. General questions on cryptlib are answered in the cryptlib FAQ. DelphiCryptlib is an objectoriented wrapper for the functions defined in cryptlib. Peter Gutman ‘s Cryptlib binaries version 3. Manuap addition logical errors such as, for example, a key exchange function being called in the wrong sequence, are checked for and identified.

I can’t give you any support and any warranties are explicitly disclaimed.

Before working with it, you should read at least the Installation section of the manual, which covers details on installing the software on different platforms under Unix you need to unzip with the -a option.

In addition the easy-to-use high-level routines allow for the exchange of encrypted or signed messages or the establishment of secure communications channels with a minimum of programming overhead. Please report problems and errors cyrptlib problems cryptlib. And you know, if you download the source, you do it on your own risk. This is to stop people adding their own wrappers and selling it as “their” encryption product.

On initialisation it performs extensive self-testing against test mwnual from encryption standards documents, and the APIs check each parameter and function call for errors before any actions are performed, with error reporting down to the level of individual parameters.


Because it is thread-safe, lengthy cryptlib operations can be run in the background if required while other processing is performed in the cryptlibb. The technical reference manual covers the design and internals of cryptlib itself, including the cryptlib security model and security mechanisms that protect every part of cryptlib.

You may use the “F1”-key when editing your source to popup online help on any DelphiCryptlib object, method or property.

Note that decoupling the software from the user, for example by running in a SaaS configuration, does not exempt you from these requirements. The user manual concludes with a reference section covering the various cryptlib API functions, constants, and data types.

Please use this with the latest CL Any software you create with this code may not be merely a set or subset of cryptlib, with or without minor added functionality or a different interface. Peter Gutman ‘s Cryptlib version 3.


The current cryptlib release is cryptlib 3. Any large-scale commercial use of cryptlib requires a license. An archive of older mailing-list postings is also available. For details of the implementation have a look into the interface part of the DelphiCryptlib. Look for sample code showing how to use Cryptlib. Peter Manua, ‘s cryptlib manual for version 3.

In addition cryptlib itself is multithreaded so that computationally intensive internal operations take place in the background without impacting the performance of the calling application. In most cases the code needed to secure an application can be cut and pasted directly from the appropriate section of the manual, avoiding the need to learn yet another programming API.

All standard error handling from cryptlib is done via Exception handling in Delphi.