Daksh Pandey

Building tools for cryptography & secure systems.

Currently studying:

B.Tech Engineering Physics

Indian Institute of Technology, Roorkee

2023 - 2027

Projects

Designed a custom hardware kernel on Kria KV260's FPGA fabric accelerating the convolution operation over CKKS homomorphically encrypted data for secure inference.

CryptographyFHEFPGASystemVerilog

Developed Poly-GRACE, a polynomial-friendly self-supervised learning framework for graphs, achieving Homomorphic Encryption compatibility and enabling privacy-preserving representation learning without significant performance compromise.

Graphical Neural NetworksHomomorphic EncryptionPolynomials

Complete C++ library implementing the BFV homomorphic encryption scheme from scratch, including polynomial arithmetic using NTT, key generation, and homomorphic operations.

CryptographyFHEC++

Production-ready password manager written in Rust featuring AES-256-GCM encryption, Argon2id key derivation, secure memory management, rate limiting, and comprehensive input validation. Built for personal use with enterprise-grade security.

RustCryptographyAES-256-GCMArgon2id

Clean-slate 32-bit RISC-V CPU core using SystemVerilog, featuring custom ISA subset, ALU, register file, memory controller, and pipelined execution. Built with simulation-first methodology.

SystemVerilogRISC-VCPU DesignHDL Simulation

Designed and fabricated custom PCB to convert DC to 3-phase AC for PMSM used in Formula SAE electric car. Included power handling circuitry, safety features, and EMI optimization.

PCB DesignPower ElectronicsPMSM Motor ControlCircuit Prototyping

Course project for EEE-103 (Measurements and Transducers) involving development of computer vision-based control system for a 5-DOF robotic arm using stereovision for real-time object detection and tracking. Implemented inverse kinematics algorithms to enable precise end-effector positioning based on visual feedback from dual camera setup.

PythonOpenCVComputer VisionInverse Kinematics

Experience

Junior Cryptography Engineer

Dollarhide Labs

October 2025 - Present

Working on development and acceleration of FHE/MPC enabled frameworks for private-learning.

CryptographySecure-ComputationFHEFPGA

Cryptography Research and Development

ECE Department, IIT Roorkee

April 2025 - Present

Researching and developing high-performance custom hardware accelerators and software libraries for Fully Homomorphic Encryption (FHE) schemes (CKKS, TFHE), with a specialized focus on enabling Privacy-Preserving Neural Networks.

CryptographyFHEPQCFPGASystemVerilogC++Secure ML

Undergraduate Research Assistant

Advanced Robotics Lab, IIT Roorkee

July 2024 - Feb 2025

Collaborated on advanced research in control systems and automation under Dr. M. Felix Orlando. Reviewed literature, proposed improvements to robotic control strategies, and contributed to multi-DOF robotic arm experiments.

MATLABRoboticsControl Systems

E-Powertrain Engineer

IIT Roorkee Motorsports

March 2024 - February 2025

Worked in electrical division of Formula Student racing team. Designed DC to 3-phase AC inverter PCB for electric drivetrain, contributed to motor control strategies and battery interface design.

Power ElectronicsPCB DesignPMSM

Achievements

Global Winners in AMD Open Hardware Competition

2025

Our team (Aurva) was announced as global winners in the AMD Open Hardware 2025's Adaptive Computation Track for our work on accelerated convolution operation over CKKS Encryption.

Supervisor: Dr. Tharun Kumar Reddy Bollu

FHEFPGASystemVerilogCryptography

2nd Position in CSAW Embedded Security Challenge

2025

Solo member team (FossilizedPluto) achieved second position in CSAW Embedded Security Challenge 2025, attacking and mitigating firmware vulnerable to Side-Channel and Fault-Injection Attacks using the ChipWhisperer Nano board.

Supervisor: Dr. Sparsh Mittal

Hardware SecurityChipWhisperer

Publications

Poly-GRACE, a framework for self-supervised learning on graphs that is compatible with Homomorphic Encryption. By using polynomial-friendly graph encoders and a novel polynomial-based contrastive loss, Poly-GRACE enables privacy-preserving training while remaining competitive on benchmark datasets.

arXiv
Technical books and resources
Snoopy listening to music while holding music players

Blog Posts

Gentry-Lee Encoding for Efficient Matrix FHE

Breaking down the mathematics behind the encoding process in the new Gentry-Lee FHE scheme.

CryptographyDecember 2025
MPC in the Head (MPCitH)

Designing complex Zero-Knowledge Proofs using simulated MPC protocols.

CryptographyDecember 2025
Need for Gadget Decomposition in LWE Based Cryptosystems

Analyzing the need for "Gadget Decomposition" via noise analysis while performing homomorphic operations like ciphertext-plaintext multiplication, bootstrapping, key-switch, etc.

CryptographySeptember 2025
RLWE and CKKS: Mathematical Foundations

Rigorous mathematical study and dive into core subjects of Fully Homomorphic Encryption

CryptographyAugust 15, 2025

Education

B.Tech Engineering Physics

Indian Institute of Technology, Roorkee

2023 - 2027

Relevant Coursework:

Number TheoryLinear AlgebraStatistics and ProbabilityMathematical Methods (ODEs, PDEs, Transformations)Signals and SystemsMathematical PhysicsAnalog ElectronicsDigital ElectronicsIntroduction to RoboticsQuantum Mechanics
Hardware and electronics
Technical work
Portfolio work
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