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<concept id="GUID-BC191AA8-696F-51A2-801F-B3F952037F54" xml:lang="en"><title>OS

<li id="GUID-29D6A956-E19D-5015-8AF7-08C2AC607100"><p>Secure communication

protocols that provide data confidentiality and integrity </p> </li>

<li id="GUID-250B6FC2-44CB-5C3E-824C-AFFDA315421E"><p>Authentication of installable

software </p> </li>

<li id="GUID-521A3365-8C88-559C-92D5-E487047BFC4D"><p>Protection of device

integrity </p> </li>

</ul> </section>

<li id="GUID-5A81451B-7E7F-55D9-8FF5-1AD439A237AD"><p><xref href="GUID-BA362536-C9C9-5BA4-BEE3-0E1AD7FA45F1.dita">Authorisation</xref> contains <xref href="GUID-5329AE68-39E0-55E7-9878-2D8FF9E29B21.dita">User Prompt Service</xref> (UPS)

component that provides standard interfaces for the device creators to set

policies that determine if requests made by applications to access system

services, such making telephone calls, need confirmation from the user. </p> </li>

<li id="GUID-BC9ED5D1-58C7-5126-BF16-E49316A6A198"><p><xref href="GUID-A40376B6-8B2B-551A-B72F-CFCADBC84BE7.dita">Security

and Data Privacy Tools</xref> contains <xref href="GUID-8933D7D5-F84D-5BF2-BF2A-832DA183E26B.dita">Security

Config</xref> and <xref href="GUID-4B03733F-D84D-5A28-B772-2E256D86ABC7.dita">Security

Tools</xref> components. Security Config contains security ROM build-time

configuration files. Device creators use the configuration files to customize

the behavior of security components. Security Tools comprises of <codeph>certapp</codeph> tool

that creates, augments, dumps and debugs certificate stores. It also dumps

certificate files in human-readable form. </p> </li>

<li id="GUID-14FFA600-49D0-51B4-A211-83E57E0311CF"><p><xref href="GUID-E6C91CF2-A616-5E52-8BB2-630C42C8D540.dita">Crypto

Management Libraries</xref> provides interfaces for management of tokens used

for secure authentication, such as cryptographic keys and certificates. It

contains <xref href="GUID-A6FF1073-AA55-588D-8DC1-0A8C16864891.dita">CryptoToken

framework</xref> to provide interfaces for managing cryptography certificates,

keys and certificate applications. </p> </li>

<li id="GUID-9905841F-3578-508F-B808-B639E630C907"><p><xref href="GUID-C00FBDE4-EF59-5FED-BA92-625414AF45AE.dita">Crypto

Libraries</xref> contains a Weak CryptoSPI and Strong CryptoSPI components

together called as CryptoSPI framework. The framework provides software-based

implementations of cryptographic algorithms. It allows device creators to

include alternative implementations as plug-in DLLs. </p> </li>

<li id="GUID-98FCDDF0-F056-5C80-9DF1-2A8E9EB9A31C"><p>Crypto Plug-ins contains

CryptoSPI Plug-ins component. These are plug-ins to the <xref href="GUID-C00FBDE4-EF59-5FED-BA92-625414AF45AE.dita">Crypto

Libraries'</xref> Crypto SPI framework. It provides software-based implementations

of cryptographic algorithms for encryption, decryption, hash and random number

generation. </p> </li>

<li id="GUID-E531D513-BFB8-575C-A512-5757B3568522"><p><xref href="GUID-2663ED06-8C97-5867-B7F6-6167EBFEA223.dita">Crypto

Services</xref> provides interfaces to handle cryptographic keys and certificates.

It contains <xref href="GUID-C3290344-486B-554D-97FC-42DF48E150AA.dita">Certificate

and Key Management</xref>, <xref href="GUID-A5DCCEB1-77DA-53C9-A1A3-07615DFCD403.dita">File-Based

Certificate and Key Stores</xref>, <xref href="GUID-314992D7-F6E1-5335-9EDA-DE89E67CDF57.dita">ASN-PKCS</xref>  <xref href="GUID-92025FE2-16B1-59FE-9967-6972F6E7D4CA.dita">Root Certificates</xref> and

OpenSSL components. </p> </li>

</ul> <p>The following diagram shows the OS Security's components grouped

into collections, which are shown as white boxes: </p>  </section>

content. </p> <p>To know more about the key concepts used in OS

Security, see <xref href="GUID-6F73ED8C-E259-5717-AB84-0C2933A866DA.dita">OS Security

Concepts</xref>. </p> </section>

</conbody><related-links>

<link href="GUID-B2089965-546C-5FF2-8596-13A2221E02E6.dita"><linktext>User Prompt

Service Tutorials</linktext></link>

<link href="GUID-16BA7B80-DC75-512C-AAEC-F571B5B73F09.dita"><linktext>Crypto Libraries

Tutorials</linktext></link>

<link href="GUID-B946BDF0-C5D8-57E2-9D05-7BE134AD032E.dita"><linktext> Unified

Certificate Store Tutorial</linktext></link>

<link href="GUID-6C6AED40-D5B3-5613-8F92-FD2CB711AE54.dita"><linktext>Unified Keystore

Tutorials</linktext></link>

</related-links></concept>