Entrust Releases Comprehensive Guide for Post-Quantum Cryptography (PQC) Migration, Urging Action by 2030

August 30, 2026

Entrust Blog USA

Overview

Entrust has published a comprehensive guide on Post-Quantum Cryptography (PQC) migration, emphasizing the urgent need for organizations to act due to NIST’s deadlines for deprecating (2030) and disallowing (2035) current public-key cryptography (RSA and ECC). The guide highlights the “Harvest Now, Decrypt Later” threat and recommends that organizations prioritize a complete cryptographic inventory, risk assessment, and the migration of key establishment protocols for long-lived confidential data. Adopting crypto-agility is stressed as essential for a successful transition into the quantum-safe era.

In Depth

Key Findings

Entrust has released a detailed guide for organizations to plan and execute their migration to Post-Quantum Cryptography (PQC). The guide underscores the critical need for prompt action, citing the U.S. National Institute of Standards and Technology’s (NIST) deadlines for the deprecation of current public-key cryptographic algorithms (RSA and ECC) by 2030 and their disallowance by 2035.

Technical/Clinical Details

NIST Timelines: NIST has provided a clear roadmap, indicating that by 2030, the use of existing public-key cryptography will be deprecated, and by 2035, it will be disallowed. These deadlines are paramount for organizations in sectors such as finance, healthcare, and government, which require long-term protection for sensitive data.
“Harvest Now, Decrypt Later” Threat: There is a growing threat where adversaries collect (harvest) currently encrypted data, intending to decrypt it later (decrypt later) once sufficiently powerful quantum computers become available. This makes the protection of long-lived sensitive data an immediate and pressing concern.
Cryptographic Inventory and Risk Assessment: The initial step in the migration process involves creating a comprehensive cryptographic inventory to identify all encrypted assets and dependencies within an organization. Based on this, a risk assessment should be performed to pinpoint areas most vulnerable to quantum attacks.
Prioritizing Key Establishment Protocols: The guide recommends prioritizing the migration of key establishment protocols, especially for data requiring long-term confidentiality. This includes critical infrastructure elements like TLS/SSL certificates, VPNs, and digital signatures.
Adopting Crypto-Agility: PQC migration is not a one-time event. The importance of embedding “crypto-agility” into organizational systems is highlighted, allowing for flexible adaptation to the future evolution of cryptographic technologies and potential new quantum-resistant algorithms.

Background & Context

The advancement of quantum computing poses a significant threat to the foundations of modern digital security, particularly public-key cryptographic systems. Governments and industry bodies worldwide are accelerating PQC standardization and migration strategy development to prepare for this “quantum threat.” Entrust’s guide provides a practical framework to help enterprises navigate this complex transition effectively.

Strategic Significance & Outlook

PQC migration will be one of the most critical IT challenges for enterprises in the coming years. Entrust advises organizations to adopt a phased approach, customizing their migration plans to their specific needs and risk profiles. This strategic preparation is expected to ensure the integrity and confidentiality of data in the quantum era, thereby maintaining business continuity and trust.

Source: https://www.entrust.com/blog/2026/08/migrating-your-platform-for-post-quantum-cryptography-a-complete-guide/

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