3pcs CJMCU-608 Cryptographic Key Memory Random Number Generator Signature Encryption Decryption Module

Instructions: http://files.banggood.com/2018/06/CJMCU-608.pdf Features: 1. Cryptographic Co-processor with Secure Hardware-based Key Storage Protected Storage for up to 16 Keys, Certificates or Data 2. Hardware support for Asymmetric Sign, Verify, Key Agreement ECDSA: FIPS186-3 Elliptic Curve Digital Signature ECDH: FIPS SP800-56A Elliptic Curve Diffie-Hellman NIST Standard P256 Elliptic Curve Support 3. Hardware support for Symmetric Algorithms SHA-256 & HMAC Hash including off-chip context save/restore AES-128: Encrypt/Decrypt, Galois Field Multiply for GCM 4. Networking Key Management Support Turnkey PRF/HMAC calculation for TLS 1.2 & 1.3 Ephemeral key generation and key agreement in SRAM Small message encryption with keys entirely protected 5. Secure Boot Support Full ECDSA code signature validation, optional stored digest/signature Optional communication key disablement prior to secure boot Encryption/Authentication for messages to prevent on-board attacks 6. Internal High-quality FIPS 800-90 A/B/C Random Number Generator (RNG) 7. Two high-endurance monotonic counters 8. Guaranteed Unique 72-bit Serial Number 9. Two Interface options available High-speed Single Pin Interface with One GPIO Pin 1MHz Standard I2C Interface 10. 1.8V to 5.5V IO levels, 2.0V to 5.5V supply voltage 11.