Juicebox
Business Profile
Core Value Proposition
Juicebox provides a software-based distributed key hardening service that converts a user PIN/password into a strong cryptographic key by mixing it with secrets stored on Juicebox servers, and allows retrieval of that key later through a threshold set of servers.
Target Customer
Enterprise IT security teams, identity/authentication providers, service providers implementing password hardening and distributed key management, developers building secure authentication flows for organizations
Key Differentiator
Threshold-based, multi-server (N of T) key protection combined with threshold oblivious PRFs (t-OPRF); ability to deploy across software realms or hardware-backed realms; explicit enforcement of login attempt limits and potential account destruction to prevent password-guessing attacks; integrates with Juicebox realms and supports HSM deployment (though not uniformly available outside testing).
Implementation Timeline
Not specified in the content; no explicit implementation or time-to-value estimates are provided
Pain Points
- 1Weak passwords or human-generated passwords used for service accounts that enable offline password-guessing attacks
- 2Single-server storage of secret keys or credentials that, if compromised, could expose decryption keys
- 3Difficulty enforcing password-guessing limits and protecting keys in multi-party or cloud deployments
Key Features
- 1Converts user PIN/password into a strong cryptographic key by mixing with a secret stored on Juicebox servers
- 2Supports multi-server (N-of-T) architectures to protect key material across realms
- 3Threshold OPRF-based protocol to compute PRF(K, P) without revealing inputs, enabling secure key derivation
- 4Enforces limits on incorrect password attempts (lock/destroy the account or key K) to mitigate brute-force attacks
- 5Can be deployed as software-only realms or integrated with Hardware Security Modules (HSMs) for added security
- 6Defines realms (e.g., realm-a.x.com, realm-b.x.com) and supports distributions across multiple servers
Target Customer Industries
Decision Makers
- 1Engineering Lead
- 2Service Provider Operator
- 3Security Architect
- 4IT Security Administrator
Client Results
- 1Derives a strong cryptographic key from user secrets, enabling more secure authentication and data protection
- 2Provides a mechanism to limit and potentially destroy key material after repeated failed attempts, reducing risk of credential compromise
- 3Distributes key material to reduce single points of trust and potential data exposure
Competitive Advantages
- 1Privacy: the OPRF protocol ensures the server does not learn the user's password during key derivation
- 2Security through distribution: multi-server (N-of-T) key protection reduces risk if a subset of servers is compromised
- 3Flexible deployment: supports software realms and (where available) HSM-backed realms for stronger security guarantees
- 4Bridges user secrets with strong cryptographic keys, enabling stronger server-side protections against offline attacks
Key Benefits
Additional Product Information
Product Description
Juicebox is a software-based distributed key hardening service that converts user PINs/passwords into strong cryptographic keys using secrets held on Juicebox servers, with the ability to recover or derive the key via a threshold set of servers (N of T); it can be deployed across multiple realms and optionally within hardware security modules.
Target Market
Organizations needing stronger password hardening and distributed key management for authentication and decryption workflows, particularly enterprises operating large identity ecosystems and services (e.g., AD-like environments, cloud providers, security-conscious software deployments)
Unique Value Proposition
Delivers distributed, threshold-based key hardening that preserves user privacy during key derivation while enabling robust protection against password-guessing attacks, with flexible deployment across software realms or HSM-backed realms and explicit governance of access thresholds
Technical Requirements
Requires multiple Juicebox realms (N servers with a threshold T); supports software realms and HSM-backed realms; relies on threshold OPRFs for key derivation; interactions typically occur over TLS; some deployments discussed using Entrust nShield Solo XC HSMs; real-world deployments may vary in hardware vs. software configurations
Pricing Model
Not specified in the content
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