Handover between operators of a computer

The described computer architecture with dual storage partitions and a secret manager facilitates secure handovers and dual-use scenarios by ensuring software integrity and quantum resistance, addressing the limitations of existing systems in managing multiple operators and regulatory compliance.

SE2615861A1Pending Publication Date: 2026-06-29NANO COMPUTER SYSTEM AB
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Patent Information

Application Number
SE2615861
Authority / Receiving Office
SE · SE
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-11-20
Filing Date
2025-11-20
Publication Date
2026-06-29

AI Technical Summary

Technical Problem

Existing computer systems lack the ability to efficiently manage handovers between multiple operators while ensuring software integrity, identity verification, and resilience against quantum attacks, particularly in isolated environments, and do not support dual-use scenarios requiring different payloads and regulatory compliance.

Method used

A computer architecture with dual physical storage media, each divided into multiple logical partitions, a secret manager with compartments for integrity, identity, and handover secrets, and a dual-root of trust model using symmetric and quantum-resistant algorithms, enabling secure handovers and factory resets.

Benefits of technology

Enables secure and efficient handovers between operators, maintains software integrity, and ensures resilience against quantum attacks, supporting dual-use scenarios and regulatory compliance without network dependency.

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Abstract

An arrangement 200 for allowing handover of a computer 104 is provided. The computer 104 comprises first and second physical storage media, each comprising at least three different logical storage partitions, and a secret manager 105, comprising an integrity compartment 402, an identity compartment 403, and a handover compartment 404. The integrity compartment 402 comprises one slot for each logical storage partition, each slot comprising an integrity secret to be used for verifying the integrity of the software in the storage partition. The identity compartment 403 comprises first and second slots, each comprising an identity secret associated with an operator, to be used for verifying the identity of the operator and is initialized with an identity secret for a first operator 101 in the first slot. The first slot is only accessible by the first operator 101, and the second slot is not accessible by the first operator 101. The handover compartment 404 comprises a handover secret, entered by the current operator, after having been distributed from the current operator to the designated operator. The handover of the computer 104 always uses the handover secret. Either the current or the designated operator must be the first operator 101.
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