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REQ.147 Use pre-existent mechanisms

This document contains the details of the security requirements related to definition and management of cryptographic systems. This requirement establishes the importance of using pre-existing and current mechanisms to implement the cryptographic functions used by the system.


The cryptographic functions of the system must be implemented with pre-existing and current cryptographic mechanisms.


  1. HIPAA Security Rules 164.312(a)(2)(iv): Encryption and Decryption: Implement a mechanism to encrypt and decrypt electronic protected health information.

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