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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. The Initial Developer of the Original Code is Ericsson AB.

Introduction

Ingela Anderton Andin
2008-01-22
A introduction.xml

## Purpose

The Public Key application deals with public-key related file formats, digital signatures, and X-509 certificates. It is a library application that provides encode/decode, sign/verify, encrypt/decrypt, and similar functionality. It does not read or write files, it expects or returns file contents or partial file contents as binaries.

## Prerequisites

It is assumed that the reader is familiar with the Erlang programming language and has a basic understanding of the concepts of using public-keys and digital certificates.

## Performance Tips

The Public Key decode- and encode-functions try to use the NIFs in the ASN.1 compilers runtime modules, if they can be found. Thus, to have the ASN1 application in the path of your system gives the best performance.