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 The Libgcrypt Library
 *********************
 
 This manual is for Libgcrypt (version 1.2.4, 3 November 2006), which is
 GNU's library of cryptographic building blocks.
 
    Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
 
      Permission is granted to copy, distribute and/or modify this
      document under the terms of the GNU General Public License as
      published by the Free Software Foundation; either version 2 of the
      License, or (at your option) any later version. The text of the
      license can be found in the section entitled "Copying".
 

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* Introduction                 What is Libgcrypt.
* Preparation                  What you should do before using the library.
* Generalities                 General library functions and data types.
* Handler Functions            Working with handler functions.
* Symmetric cryptography       How to use symmetric cryptography.
* Hashing                      How to use hashing.
* Public Key cryptography (I)  How to use public key cryptography.
* Public Key cryptography (II) How to use public key cryptography, alternatively.
* Random Numbers               How to work with random numbers.
* S-expressions                How to manage S-expressions.
* MPI library                  How to work with multi-precision-integers.
* Utilities                    Utility functions.
 
 Appendices
 
* Library Copying             The GNU Lesser General Public License
                                 says how you can copy and share `Libgcrypt'.
* Copying                     The GNU General Public License says how you
                                 can copy and share some parts of `Libgcrypt'.
 
 Indices
 
* Concept Index               Index of concepts and programs.
* Function and Data Index     Index of functions, variables and data types.
 
  --- The Detailed Node Listing ---
 
 Introduction
* Getting Started             How to use this manual.
* Features                    A glance at Libgcrypt's features.
* Overview                    Overview about the library.
 
 Preparation
* Header                              What header file you need to include.
* Building sources                    How to build sources using the library.
* Building sources using Automake     How to build sources with the help of Automake.
* Initializing the library            How to initialize the library.
* Multi Threading                     How Libgcrypt can be used in a MT environment.
 
 Generalities
* Controlling the library     Controlling Libgcrypt's behavior.
* Modules                     Description of extension modules.
* Error Handling              Error codes and such.
 
 Handler Functions
* Progress handler            Using a progress handler function.
* Allocation handler          Using special memory allocation functions.
* Error handler               Using error handler functions.
* Logging handler             Using a special logging function.
 
 Symmetric cryptography
* Available ciphers           List of ciphers supported by the library.
* Cipher modules              How to work with cipher modules.
* Available cipher modes      List of cipher modes supported by the library.
* Working with cipher handles How to perform operations related to cipher handles.
* General cipher functions    General cipher functions independent of cipher handles.
 
 Hashing
* Available hash algorithms           List of hash algorithms supported by the library.
* Hash algorithm modules              How to work with hash algorithm modules.
* Working with hash algorithms        List of functions related to hashing.
 
 Public Key cryptography (I)
* Used S-expressions                    Introduction into the used S-expression.
* Available algorithms                  Algorithms supported by the library.
* Public key modules                    How to work with public key modules.
* Cryptographic Functions               Functions for performing the cryptographic actions.
* General public-key related Functions  General functions, not implementing any cryptography.
 
 Public Key cryptography (II)
* Available asymmetric algorithms List of algorithms supported by the library.
* Working with sets of data       How to work with sets of data.
* Working with handles            How to use handles.
* Working with keys               How to work with keys.
* Using cryptographic functions   How to perform cryptographic operations.
* Handle-independent functions    General functions independent of handles.
 
 Random Numbers
* Quality of random numbers   Libgcrypt uses different quality levels.
* Retrieving random numbers   How to retrieve random numbers.
 
 S-expressions
* Data types for S-expressions   Data types related with S-expressions.
* Working with S-expressions     How to work with S-expressions.
 
 MPI library
* Data types                  MPI related data types.
* Basic functions             First steps with MPI numbers.
* MPI formats                 External representation of MPIs.
* Calculations                Performing MPI calculations.
* Comparisons                 How to compare MPI values.
* Bit manipulations           How to access single bits of MPI values.
* Miscellaneous               Miscellaneous MPI functions.
 
 Utilities
* Memory allocation           Functions related with memory allocation.
 
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