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<h2 class="chapter">6 Public Key cryptography</h2>
<p>Public key cryptography, also known as asymmetric cryptography, is an
easy way for key management and to provide digital signatures.
Libgcrypt provides two completely different interfaces to
public key cryptography, this chapter explains the one based on
S-expressions.
<ul class="menu">
<li><a accesskey="1" href="Available-algorithms.html#Available-algorithms">Available algorithms</a>: Algorithms supported by the library.
<li><a accesskey="2" href="Used-S_002dexpressions.html#Used-S_002dexpressions">Used S-expressions</a>: Introduction into the used S-expression.
<li><a accesskey="3" href="Public-key-modules.html#Public-key-modules">Public key modules</a>: How to work with public key modules.
<li><a accesskey="4" href="Cryptographic-Functions.html#Cryptographic-Functions">Cryptographic Functions</a>: Functions for performing the cryptographic actions.
<li><a accesskey="5" href="General-public_002dkey-related-Functions.html#General-public_002dkey-related-Functions">General public-key related Functions</a>: General functions, not implementing any cryptography.
<li><a accesskey="6" href="AC-Interface.html#AC-Interface">AC Interface</a>: Alternative interface to public key functions.
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