Introduction
As electronic data interchange (EDI) continues to play a crucial role in modern business operations, secure and reliable messaging protocols such as AS2 have become essential for organizations to exchange sensitive information. In this article, we will delve into the world of AS2 messaging using Hermes Business Messaging Gateway 2.2, focusing on the utilization of SHA-1 as the digest algorithm for message signing and the request for MDN (Message Disposition Notification) signing using SHA-256.
Installing Hermes Business Messaging Gateway 2.2
Hermes Business Messaging Gateway 2.2 is a powerful and versatile solution for secure data exchange between trading partners. Installing Hermes is a straightforward process that involves setting up the necessary configurations and establishing connections with trading partners. With its user-friendly interface and comprehensive documentation, installing Hermes ensures a seamless integration into your organization's EDI infrastructure.
AS2 Configurations
Configuring AS2 settings within Hermes is essential for ensuring secure and efficient data exchange. By specifying the digest algorithm, users can control the cryptographic functions used for message integrity verification. In the case of AS2 Hermes SHA1, the configuration involves sending messages signed using SHA-1 and requesting MDNs signed using SHA-256. This combination of algorithms enhances security while ensuring compatibility with different systems and protocols.
CECID Hermes Celebrates its 15th Anniversary with Launch of
CECID Hermes, a leading provider of EDI solutions, recently celebrated its 15th anniversary with the launch of a new version of the Hermes Business Messaging Gateway. The latest release introduces several enhancements, including improved security features and support for advanced cryptographic algorithms. AS2 Hermes SHA1 with AS2 Hermes SHA1 is a testament to CECID Hermes' commitment to providing cutting-edge solutions for secure data exchange.
How do I send MDN signed with SHA256 instead of SHA1?
In AS2 messaging, the MDN plays a crucial role in confirming the successful delivery of messages and ensuring data integrity. By default, AS2 implementations may use SHA-1 for MDN signing, which can raise security concerns due to the algorithm's vulnerability to collision attacks. To address this issue, users can configure their AS2 setup to request MDNs signed using SHA-256, a more secure cryptographic hash function. This configuration ensures that MDNs are signed with a stronger algorithm, enhancing the overall security of the data exchange process.
OpenAS2 Rejects MDN Citing Incorrect Digest Algorithm
In some cases, users may encounter issues with MDNs being rejected by OpenAS2 due to incorrect digest algorithm settings. This can occur when the sender and receiver have mismatched configurations for message signing and MDN verification. To resolve this issue, users should ensure that both parties are using compatible digest algorithms, such as SHA-1 for message signing and SHA-256 for MDN signing. By aligning the cryptographic settings on both ends, organizations can prevent MDN rejection and ensure smooth data exchange through AS2.
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