The eSi-CHACHA20 core is an easy to use CHACHA20 stream cipher hardware accelerator that is compliant with the IETF RFC7539 standard.
ChaCha20, along with the Poly1305 encryption algorithm, has been specified for use in the TLS protocol, within RFC7905.
ChaCha20 stream cipher core
Overview
Key Features
- Simple register based interface
- Processing of 64-bytes in as low as 13 clock cycles
- Selection between High Throughput or Low Gate-Count architectures
- Real-time selection between key generation or cipher/decipher modes
- AMBA 3 AHB slave interface for configuration and burst data transfers
Benefits
- Easy integration into Arm or other microprocessor SoC
- Small size and high performance
Block Diagram
Applications
- Transport Layer Security (TLS)
- OpenSSH
- IPsec
- Ultra-low power embedded web-servers
Deliverables
- RTL
- Testbench
- Software libraries
Technical Specifications
Foundry, Node
Any
Availability
Now