Yubico 8880001157 YubiKey 5Ci Security Token - RSA 2048-bit - RSA 4096 - PGP - ECC p256/p384 Encryption - USB-C - FIDO2 - FIPS 140-2 - IP68
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Product Features
Product Overview
The Yubico YubiKey 5Ci Security Token delivers robust multi-factor authentication for business and enterprise environments. This hardware security key supports a range of encryption standards, including RSA 2048-bit, RSA 4096 for PGP, and ECC p256/p384, providing flexibility for various security protocols and applications.
Designed with a USB-C interface, the YubiKey 5Ci offers modern connectivity for laptops, desktops, and mobile devices. Its compact form factor and durable construction make it suitable for daily use in office settings, remote work, and field deployments where reliable authentication is critical.
This section brings together practical product details such as Encryption, Features, USB, USB Standard, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
In practical terms, this overview should help a buyer understand what the product is, the type of environment it suits, and the core reasons it may be chosen over a more generic alternative. That context is especially useful for business purchasing, where fit, consistency, and ease of use usually matter as much as individual specifications.
Technical Overview
The YubiKey 5Ci integrates advanced encryption capabilities with industry-standard certifications. It supports FIDO Universal 2nd Factor (U2F) and FIDO2 for passwordless authentication, alongside NIST FIPS 140-2 validation for government and high-security compliance. The IP68 rating ensures dust and water resistance, enhancing reliability in diverse environments.
This security token operates without batteries or network connectivity, generating one-time passwords and cryptographic signatures locally. Its USB-C port enables plug-and-play functionality with compatible systems, while the tamper-resistant design protects against physical attacks and unauthorized access.
This section brings together practical product details such as Encryption, Features, USB, USB Standard, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The YubiKey 5Ci combines strong encryption with practical durability, offering a seamless authentication experience for IT professionals and end-users. Its multi-algorithm support allows integration with existing RSA-based systems and modern ECC implementations, future-proofing security investments.
Enhanced Security
Hardware-based authentication reduces phishing risks and strengthens access controls by requiring physical possession of the token for login.
- Supports FIDO2 for passwordless logins
- Validated to FIPS 140-2 standards
- Tamper-resistant construction
Durability & Reliability
Built to withstand daily wear, the YubiKey 5Ci features crush resistance, water resistance, and a robust design for long-term use in demanding conditions.
- IP68 rated for dust and water protection
- Resistant to physical damage
- No batteries or charging required
Deployment / Use Cases
The YubiKey 5Ci is ideal for organizations requiring strong multi-factor authentication across diverse IT environments. It supports use cases such as securing remote access to corporate networks, protecting cloud applications, and enabling secure code signing for developers.
In enterprise settings, this token can be deployed for employee logins to Windows, macOS, or Linux systems, as well as for accessing VPNs, email services, and SaaS platforms. Its USB-C compatibility ensures broad device support, from modern laptops to mobile devices with appropriate adapters.
This section brings together practical product details such as Encryption, Features, USB, USB Standard, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Enterprise Authentication
Deploy for workforce access to sensitive systems, reducing reliance on passwords and mitigating credential theft risks.
Developer Security
Use for SSH key storage, code signing, and securing CI/CD pipelines with hardware-backed cryptographic operations.
Highlights
- Supports RSA 2048-bit, RSA 4096 (PGP), and ECC p256/p384 encryption algorithms
- USB-C interface for modern device connectivity
- FIDO Universal 2nd Factor (U2F) and FIDO2 compliant for passwordless authentication
- NIST FIPS 140-2 validated for government and high-security applications
- IP68 rated for dust and water resistance
- Crush resistant, water resistant, and tamper resistant durable design
- Compliant with WEEE and RoHS environmental standards
- No batteries or network required for operation
Specifications
| Specifications | |
|---|---|
| Manufacturer | Yubico |
| Manufacturer Part Number | 8880001157 |
| Brand Name | Yubico |
| Product Line | YubiKey 5Ci |
| Product Name | YubiKey 5Ci Security Token |
| Product Type | Security Token |
| Technical Information | |
| Encryption | RSA 2048-bit,RSA 4096 (PGP),ECC p256/ECC p384 |
| Features | Crush Resistant,Water Resistant,Durable,Tamper Resistant |
| Interfaces/Ports | |
| USB | Yes |
| USB Standard | USB Type C |
| Miscellaneous | |
| Certifications & Standards | FIDO Universal 2nd Factor (U2F) FIDO2 NIST - FIPS 140-2 IP68 FIDO L2 FIPS 140-2 |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE),Restriction of Hazardous Substances (RoHS) |
User Manual
FAQ
What encryption algorithms does the YubiKey 5Ci support?
The YubiKey 5Ci supports RSA 2048-bit, RSA 4096 for PGP, and ECC p256/p384 encryption algorithms. This multi-algorithm capability allows compatibility with various security protocols, including older RSA-based systems and modern elliptic-curve cryptography implementations for enhanced performance and security.
Is the YubiKey 5Ci compatible with FIDO2 and passwordless authentication?
Yes, the YubiKey 5Ci is fully compatible with FIDO Universal 2nd Factor (U2F) and FIDO2 standards, enabling passwordless authentication for supported websites and applications. This hardware-based approach eliminates the need for passwords, reducing phishing risks and simplifying user logins across devices.
What certifications does this security token have?
This token holds NIST FIPS 140-2 validation for cryptographic module security, IP68 rating for dust and water resistance, and compliance with FIDO L2 standards. These certifications ensure it meets rigorous requirements for government, enterprise, and high-security environments where reliable authentication is essential.
What type of USB interface does the YubiKey 5Ci use?
The YubiKey 5Ci features a USB Type C interface, providing modern connectivity for laptops, desktops, and mobile devices with USB-C ports. This reversible design offers convenient plug-and-play functionality without requiring drivers for basic operation in most supported systems.
How durable is the YubiKey 5Ci for daily use?
The YubiKey 5Ci is designed for durability with crush-resistant, water-resistant, and tamper-resistant construction. Its IP68 rating protects against dust ingress and water immersion, making it suitable for office environments, field deployments, and travel where physical robustness is important for long-term reliability.
Does the YubiKey 5Ci require batteries or network connectivity?
No, the YubiKey 5Ci operates without batteries or network connectivity. It generates one-time passwords and cryptographic signatures locally using power from the USB connection, ensuring uninterrupted authentication even in offline or restricted network environments. This simplifies deployment and maintenance for IT teams.
What connectivity or interface options are available?
Connectivity support is listed in the product specifications, including the relevant wireless or port options when available.