CorreLog TLS / AES-256 Encryption
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CorreLog TLS / AES-256 Encryption

CorreLog follows NIST / FIPS specifications for secure processing. With no additional software, CorreLog employs secure authentication and optional data encryption between agent programs and the CorreLog server. This baseline security can be further enhanced to include Transport Layer Security (TLS) and unbreakable AES-256 bit encryption.

Enhanced Encryption Overview

For those sites requiring rigorous security for their system management data, CorreLog offers its TLS / AES-256 bit software for enhanced internal security. This software uses an Apache server that supports HTTP TLS, and SSLv3. This package additionally includes a FIPS 140-2 certified cryptographic module to establish secure transfers between CorreLog agents and the main CorreLog server.

This optional software is particularly important for sites that require U.S. Government certified cryptographic algorithms and / or modules. These sites may include Government installations constrained to follow FIPS regulations, sites that require PCI/DSS certification, as well as sites that transmit information over the public Internet.

NOTE: The United States Government regulates the export of cryptographic algorithms. The software described on this page manual cannot be incorporated in any non-domestic products, or delivered to any person or organization outside the USA. For precise information on United States cryptography export/import laws, contact the Bureau of Export Administration (BXA) (

FIPS 140-2 Support

The Federal Information Security Management Act establishes regulations for managing security through the Federal Information Processing Standards (FIPS). These standards, in addition to being a requirement for secure processing, furnish excellent guidelines for private industry and commercial organizations. In particular, FIPS Pub 140-2 establishes security requirements for cryptographic modules, including areas related to secure design and implementation applicable to all Federal agencies that utilize encryption to protect sensitive data, such as personally identifiable information, pursuant to OMB Memorandum M-06-16, issued June 23, 2006.

The AES-256 bit cryptographic module, used by CorreLog, is FIPS 140-2 certified, with all encryption being performed by this cryptographic module within a well defined logical boundary. Furthermore, given physical access to the CorreLog Server, the module can be swapped and substituted with other FIPS 140-2 certified cryptographic modules (or other end-user preferred modules), thus permitting administrators to change FIPS certifications without affecting other aspects of system operation.

CorreLog can potentially accommodate all levels of security assurance defined by FIPS. Because CorreLog is not appliance-based, the end-user can specify and secure the physical platform executing CorreLog (necessary to meet physical security requirements). CorreLog allows the end-user flexibility in establishing as much physical security as may be required.

CorreLog manages key generation, secure exchange and management of these keys, as well as self-test functions required by FIPS 140-2. You are provided verifiably secure data transfer across all parts of your enterprise.

Enhanced Encryption Software Features

Specific features of CorreLog's Enhanced Encryption Software include:

  • Authentication and Encryption of HTTP Communications. The Enhanced Encryption Software adds a secure HTTPS service to the CorreLog site, so that all data transfers between a user's browser and the CorreLog server are authenticated and encrypted using standard TLS, SSLv3. This extra software includes elements needed to make a self-signed security certificate for the CorreLog installation.

  • AES-256 Bit Encryption of Agent Data Transfers. The Enhanced Encryption Software enables highly secure AES-256 bit encryption to CorreLog agent programs, which supplements the native encryption features of the agent programs using published and verifiable security algorithms. The actual cryptographic module is FIPS 140-2 certified.

  • Secure Key Upload Protocol. The Enhanced Encryption Software adds a secure process by which to refresh / re-establish protocol, allowing easy maintenance of cryptographic keys. Administrators can periodically change encryption keys used by CorreLog agents so as to promote secure operation.

  • Encryption Self-Test. The Enhanced Encryption Software provides a secure self-test of encryption on coldstart and on demand, compliant with FIPS requirements. Additionally, the current states of encryption keys, and any changes to these keys, are recorded for forensics and audit purposes.

The Enhanced Encryption Software furnishes a seamless integration with CorreLog, working with the various CorreLog Agent Tunneling programs (described elsewhere). For example, the user can generate and upload different encryption keys for each agent program. The central CorreLog server tracks the particular encryption version of each agent, so that changing one encryption key does not affect the processing of other agents. The result is an unbreakable encryption and authentication scheme for management data transfers.

Installation Requirements

The Enhanced Encryption Software is installed at the main CorreLog Server site, and does not require changes to agent or tunneling programs. Installation requires administrative access to the CorreLog Server platform (to execute the key generation Windows dialog), and also an administrative login to the CorreLog website (to upload keys to remote programs using secure key exchange protocol).

The encryption software does not require Java, or .NET, and uses minimal CPU and memory. The includes a ready-to-run configuration, and 50+ page CorreLog User Reference Manual, in Adobe PDF format, which includes complete installation and application notes.

This software is available for evaluation on user request. As previously noted, this particular package is available only to USA domestic installations, and is subject to USA export laws. Contact CorreLog sales or professional services for more help.

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