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+## Mbed Crypto
+
+Arm Mbed Crypto is the reference implementation of the cryptography interface
+of the Arm Platform Security Architecture (PSA).
+
+**Note:** The version of Mbed Crypto shipping with Mbed OS
+implements PSA Crypto API v1.0b1.
+
+We have adapted and [integrated Mbed Crypto with Mbed
+OS](https://github.com/ARMmbed/mbed-os/blob/master/features/mbedtls/mbed-crypto).
+On PSA platforms that support it, Mbed Crypto comes integrated with Mbed OS to
+leverage the platform's segmented architecture and isolate cryptographic keys
+and operations from applications.
+
+You can import Mbed Crypto from its standalone
+[release](https://github.com/ARMmbed/mbed-crypto). Mbed Crypto as integrated
+with Mbed OS does not include all test code or scripts used in the development
+of the library. You can find all of these in the standalone release.
+
+**Note:** Mbed Crypto, like Mbed TLS, needs a secure source
+of random numbers; make sure that your target board has one and that it is
+fully ported to Arm Mbed OS. You can read more about this in our [porting
+guide](../contributing/index.html).
+
+### Configuring Mbed Crypto features
+
+The Mbed TLS configuration system configures Mbed Crypto. Please refer to [Mbed
+TLS documentation for how to configure Mbed TLS and Mbed
+Crypto](../apis/tls.html#configuring-mbed-tls-features).
+
+### Mbed Crypto examples
+
+[](https://github.com/ARMmbed/mbed-os-example-mbed-crypto/blob/master/main.cpp)
+
+[The Mbed Crypto
+example](https://github.com/ARMmbed/mbed-os-example-mbed-crypto) covers some
+basic use of the PSA Crypto API as well as factory entropy injection.
+
+For further information, refer to the readme file in [the example
+repository](https://github.com/ARMmbed/mbed-os-example-mbed-crypto).
+
+### Other resources
+
+The [Mbed Crypto project homepage on
+GitHub](https://github.com/ARMmbed/mbed-crypto) contains the following
+resources:
+
+ - [An overview of the PSA Crypto
+ API](https://github.com/ARMmbed/mbed-crypto/blob/psa-api-1.0-beta/docs/PSA_Crypto_API_Overview.pdf).
+ - [The PSA Crypto API
+ reference](https://github.com/ARMmbed/mbed-crypto/blob/psa-api-1.0-beta/docs/PSA_Crypto_API_Reference.pdf).
+ - [Other general developer
+ documentation](https://github.com/ARMmbed/mbed-crypto/tree/development/docs).