Security Chips
Experience the unmatched safety of the world’s first unclonable quantum security chip - built to defend against AI and quantum hacking threats.
Quantum Security Chips
ICTK’s Quantum Security Chip combines PQC (Post-Quantum Cryptography) and PUF (Physically Unclonable Function) technologies, delivering a next-generation hardware-based Root of Trust (HRoT) for ultimate protection.
Security Chips
Experience the unmatched safety of the world’s first unclonable quantum security chip — built to defend against AI and quantum hacking threats.
G5N
G5N, the world’s first PUF–PQC integrated quantum security chip, is engineered for the quantum computing era. Its unclonable hardware architecture securely protects quantum encryption keys, ensuring the highest level of resilience against quantum threats.
Crypto: AES-128/256, ECC-256, RSA-2048, SHA-256/3, ARIA-128/192/256
PQC Algorithms: ML-KEM / ML-DSA
Compact, low-power design
Resistant to side-channel attacks
Application
Smart Home
&
IoT Devices
Automotive
&
Mobility Systems
Network & Communication Infrastructure
Defense and National Infrastructure
Systems
Device Authentication based on PQC
USIM / eSIM Security
PQC-PUF
eSIM / USIM
The world’s first unclonable Quantum Security eSIM / USIM - redefining trust in mobile communication.
Crypto: AES-128/256, ECC-256, SHA-256
PQC Algorithms : ML-KEM / ML-DSA
Subscriber data cannot be extracted
Device firmware is securely protected
Enhanced communication security with PUF-encrypted keys
Features | Conventional SIM | PQC PUF SIM |
Subscriber Authentication | O | O |
Device Authentication & Management | X | O |
Initialization | X | O |
Re-activation | X | O |
Authentication (ECC, F/W) | X | O |
Device Encryption / Decryption | X | O |
Hardware-Based Quantum Security Chip
(Coming Soom)
HW PQC
HW PQC+MCU

PUF Security Chip
The world’s first unclonable Quantum Security eSIM / USIM - redefining trust in mobile communication.
G3(K)
G3(K) is a single-core HRoT security chip that ensures secure key generation, storage, and transmission. It supports a variety of cryptographic algorithms and hardware acceleration features, delivering high performance and strong protection. G3(K) is a KCMVP-certified product recognized for its proven security and reliability.
Crypto: AES-128, ECC-256, SHA-256, ARIA-128/192/256
PKI-Based Device Authentication
Secure Boot & Firmware Update
Side-Channel Attack Protection
Application
Smart Home
&
IoT Devices
Security IP Cameras
& Access Control Systems
Industrial Sensors
&
Control Systems
Mobile
&
Edge Devices

Authentication Security Chip
CTK’s Authentication Security Chip is built on its patented VIA PUF™ (Physically Unclonable Function) technology, establishing a Hardware Root of Trust (HRoT) optimized for device authentication and secure identity management.
STR
(Coming Soon)
STR is a genuine device authentication security chip that prevents device tampering, protects firmware integrity,
and ensures authenticity verification for edge devices across connected environments.
Crypto: AES-128/256, ECC-256, SHA-256
High-efficiency, low-power design
Key Applications
Device Authentication
Firmware Tamper Protection
IoT Security
Hardware Security Module (HSM) & Secure Computing
MTB
(Coming Soon)
MTB is a genuine battery authentication security chip that completely blocks the use of counterfeit or tampered batteries, while enabling real-time battery lifecycle monitoring for enhanced safety and reliability.
Crypto: AES-128/256, ECC-256, SHA-256
High-efficiency, low-power design
Lifetime Counter
Key Applications
Mobile Battery Authentication
Battery Lifecycle Management
IoT Device Authentication
Tamper and Clone Prevention
Quantum Security Chips
ICTK’s Quantum Security Chip combines PQC (Post-Quantum Cryptography) and PUF (Physically Unclonable Function) technologies, delivering a next-generation hardware-based Root of Trust (HRoT) for ultimate protection.
G5N
G5N, the world’s first PUF–PQC integrated quantum security chip, is engineered for the quantum computing era. Its unclonable hardware architecture securely protects quantum encryption keys, ensuring the highest level of resilience against quantum threats.
Crypto Algorithms | AES-128/256, ECC-256, RSA-2048, SHA-256/3, ARIA-128/192/256 |
PQC Algorithms | ML-KEM / ML-DSA |
User Memory | eFlash 43KB |
| Interfaces | I2C / SPI |
| Operating Voltage Range | 1.8 - 3.3V |
| Operating Temperature Range | -40°C to 105°C |
| Power Consumption | Sleep <3μA, Idle <3mA |
| Additional Features | • Active shield for physical intrusion detection • TRNG |
Supports dual algorithms |
Compact, low-power design for flexible integration |
Resistant to side-channel attacks (SCA protection) |
PQC-PUF eSIM / USIM
The world’s first unclonable Quantum Security eSIM / USIM - redefining trust in mobile communication.
Crypto Algorithms | AES-128/256, ECC-256, SHA-256 |
PQC Algorithms | ML-KEM / ML-DSA |
User Memory | eFlash 5KB |
| Interfaces | I2C / ISO 7816(9600bps) |
| Operating Voltage Range | 1.8 - 3.3V |
| Operating Temperature Range | -40°C to 105°C |
| Power Consumption | Sleep < 2μA |
양자 보안 SIM과 일반 SIM 비교
Feature | Conventional SIM | PQC PUF SIM |
Subscriber Authentication | O | O |
Device Authentication & Management | X | O |
Initialization | X | O |
Re-activation | X | O |
Authentication (ECC, F/W) | X | O |
Device Encryption / Decryption | X | O |
Subscriber data cannot be extracted |
Device firmware is securely protected |
Enhanced communication security with PUF-encrypted keys |
Hardware-Based Quantum Security Chip
Coming Soon
H/W PQC |
H/W PQC+MCU |
PUF Security Chip
ICTK’s PUF Security Chip incorporates its patented VIA PUF™ (Physically Unclonable Function) technology,
providing powerful hardware-based security through a trusted Hardware Root of Trust (HRoT).
G3(K)
G3(K) is a single-core HRoT security chip that ensures secure key generation, storage, and transmission.
It supports a variety of cryptographic algorithms and hardware acceleration features, delivering high performance and strong protection. G3(K) is a KCMVP-certified product recognized for its proven security and reliability.
Crypto Algorithms | AES-128, ECC-256, SHA-256, ARIA-128/192/256 |
User Memory | eFlash 15.1KB |
| Interfaces | I2C / SPI |
| Operating Voltage Range | 1.8 - 3.3V |
| Operating Temperature Range | -40°C to 105°C |
| Power Consumption | Sleep <3μA, Idle <3mA |
| Additional Features | • Active shield for physical intrusion detection • TRNG |
PKI-Based Device Authentication |
Secure Boot & Firmware Update |
Side-Channel Attack Protection |
Authentication Security Chip
CTK’s Authentication Security Chip is built on its patented VIA PUF™ (Physically Unclonable Function) technology, establishing a Hardware Root of Trust (HRoT) optimized for device authentication and secure identity management.
STR (Coming Soon)
STR is a genuine device authentication security chip that prevents device tampering, protects firmware integrity,
and ensures authenticity verification for edge devices across connected environments.
Crypto Algorithms | AES-128/256, ECC-256, SHA-256 |
User Memory | eFlash 12.6KB |
| Interfaces | I2C |
| Operating Voltage Range | 1.8 - 3.3V |
| Operating Temperature Range | -40°C to 105°C |
| Power Consumption | Sleep < 1μA (High-efficiency, low-power design) |
| Additional Features | • Active shield for physical intrusion detection • TRNG |
MTB (Coming Soon)
MTB is a genuine battery authentication security chip that completely blocks the use of counterfeit or tampered batteries,while enabling real-time battery lifecycle monitoring for enhanced safety and reliability.
Crypto Algorithms | AES-128/256, ECC-256, SHA-256 |
User Memory | eFlash 12.6KB |
| Interfaces | I2C |
| Operating Voltage Range | 1.8 - 3.3V |
| Operating Temperature Range | -40°C to 105°C |
| Power Consumption | Sleep < 1μA (High-efficiency, low-power design) |
| Additional Features | • Active shield for physical intrusion detection • TRNG • Lifetime Counter |
2-pin Mode • Ideal for ultra-compact designs • Power and data transmitted via GPIO |
3-pin Mode • Suitable for high-performance and stability-focused designs • Separate lines for signal and power supply |
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