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Cryptography OS Design Development

Windows Mobile 6.5
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Cryptography Services for Windows Embedded CE-based devices provide services that enable application developers to add security to applications using cryptography. It includes functionality for encoding to and decoding from ASN.1, for hashing, encrypting, and decrypting data, for using digital certificate, and for managing certificates.

Windows Embedded CE 6.0 Cryptography Services with High Encryption Provider is FIPS 140-2, level 1 certified. For more information about FIPS certification for Windows Embedded CE 6.0, see this Web site. For more information about FIPS certification for Windows CE 5.0, see this Web site.

The following table shows operating system design information for Cryptography.

Element Information


Smart Card CSP requires the Smart Card Resource Manager and CryptoAPI 1.0.

Hardware considerations


The following table shows the components and modules that implement Cryptography Services.

Item Module Component

Cryptography Services (CryptoAPI 1.0) with High Encryption Provider

coredll, rsaenh

coredll module: cryptapi

Low Encryption Provider (Microsoft Base Cryptographic Service Provider)



The following table shows the Sysgen variables that enable Cryptography Services.

Sysgen variable Description


Cryptography Services (CryptoAPI 1.0) provides a set of cryptographic services for hashing, encrypting, and decrypting data.


Diffie-Hellman/DSS provider supports hashing, generating, exchanging, and exporting Diffie-Hellman keys.

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