XIP4003C: Compact Curve25519 Key Exchange and Digital Signature IP Core

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Xiphera Ltd.

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Curve25519 IP core offers public-key exchange and digital signatures. The IP core is optimised for both performance and resource efficiency in both FPGA and ASIC implementations, offering versatile functionality across various cryptographic protocols.

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Key Features

Minimal Resource Requirements: The entire XIP4003C requires 43,213 logic elements (MAX® 10) and uses only 1–2 multipliers/DSP Blocks and 1–2 internal memory blocks in a typical FPGA implementation.
Constant Latency: The execution time of XIP4003C is independent of the key value, and consequently provides protection against timing-based side-channel attacks.
Performance: Despite its small size, XIP4003C can support more than 100 key exchange or digital signature operations per second.
XIP4003C is compliant with RFC 7748 [3], RFC 8032 [2], and FIPS 186-5 [1]. XIP4003C can be used as a part of many public-key protocols, including IKEv2 (RFC 8031) [4] and TLS 1.3 (RFC 8446) [5].

Offering Brief

Device Family	Arria® 10 SX SoC FPGA, Cyclone® IV GX FPGA, Agilex® 5 FPGAs and SoC FPGAs E-Series, MAX® 10 FPGA, Cyclone® V SX SoC FPGA, Arria® V GZ FPGA, Agilex® 9 FPGAs and SoC FPGAs Direct RF-Series, MAX® V CPLD, Agilex® 7 FPGAs and SoC FPGAs I-Series, Arria® V SX SoC FPGA, Stratix® 10 DX FPGA, Stratix® 10 SX SoC FPGA, Agilex® 7 FPGAs and SoC FPGAs M-Series, Cyclone® V GT FPGA, Arria® 10 GT FPGA, Arria® V ST SoC FPGA, Arria® 10 GX FPGA, Stratix® 10 TX FPGA, Cyclone® V SE SoC FPGA, Stratix® IV E FPGA, Stratix® IV GX FPGA, Arria® V GX FPGA, Cyclone® V E FPGA, Agilex® 3 FPGAs and SoC FPGAs C-Series, Cyclone® V GX FPGA, Stratix® V GS FPGA, Stratix® V GX FPGA, Cyclone® V ST SoC FPGA, Agilex® 5 FPGAs and SoC FPGAs D-Series, Stratix® 10 GX FPGA, Arria® V GT FPGA, Cyclone® 10 LP FPGA, Agilex® 7 FPGAs and SoC FPGAs F-Series, Cyclone® 10 GX FPGA, Stratix® 10 AX SoC FPGA, Cyclone® IV E FPGA, Stratix® III FPGA
Offering Status	Production
Integrated Testbench	Yes
Evaluation License	Yes
Design Examples Available	Yes
Demo	No
Compliance	Yes
Latest Quartus Version Supported	25.1.1
Development Language	Encrypted VHDL, VHDL

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Comprehensive simulation test bench, scripts & guide

etailed datasheet and integration guide Xiphera, Ltd, is a Finnish company designing hardware-based security solutions using standardised cryptographic algorithms. Our product portfolio consists of secure and efficient cryptographic Intellectual Property (IP) cores, designed directly for ASICs and FPGAs. Our strong cryptographic expertise, extensive experience in system design, and deep knowledge in the field of reprogrammable logic enable us to offer our customers peace of mind in a dangerous world. Product Fl