Secure Cryptographic Approvals with Securosys Authorization App

Organizations operating in regulated environments or handling critical digital assets require strict multi-authorization workflows for cryptographic tasks such as code signing, document signing, blockchain transactions, and key management. Traditionally, this setup involves complex onboarding processes, limited mobility, and high operational overhead.

Solution

The Securosys Authorization App is a lightweight mobile application that enables stakeholders to securely approve cryptographic operations ─ such as signing, decryption, unwrapping and key modifications ─ directly from their smartphones.

The app integrates seamlessly with the Securosys Transaction Security Broker (TSB) and our Primus Hardware Security Modules, whether deployed on-premises or as CloudHSM. At its core is a powerful feature: Smart Key Attributes (SKA) keys, which enables true multi-authorization policies that are highly customizable. With SKA-based policies, users can authorize operations and transactions, manage key blocking/unblocking, adjust policy settings with ease, and even define security protocols triggered by time-lock settings.

The app streamlines approver onboarding through centralized certificate management and includes easy restore capabilities in case of phone loss or replacement ─ making it ideal for large, distributed teams.

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Simplified approver onboarding via TSB, using pre-registered names and certificates, allows for smooth implementation of multi-authorization schemes.

Enforce fine-grained controls using Smart Key Attributes (SKA), enabling highly customizable multi-authorization policies for approving operations, authorizing transactions, and more.

Approve or reject requests anytime, anywhere, with secure key material stored within the HSM.

Built with a secure and intuitive recovery process that ensures minimal disruption in case of device loss, damage, or other unforeseen issues.

Works with any application integrated with the TSB, such as Docker, HashiCorp Vault, and many others.

For a detailed description of the different roles, please refer to our documentation

Step 1

Create Approvers

The approver manager creates approvers, their certificates as well as credentials using the TSB.

Step 2

Initiate the Authorization App

The approver sets up the app by entering the credentials and other configuration data. The approver’s private key is securely injected into the app.

Step 3

Create SKA-Enabled Keys

The key manager creates a key on the HSM with a Smart Key Attribute policy referencing the approver certificates or names.

Step 4

Approve Cryptographic Requests

When a transaction is triggered, the SKA policy enforces the required approvals. Before the transaction proceeds, the SKA policy is checked, and all approvers receive notifications in the app to approve or reject the operation. The transaction only executes once all conditions are met.

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