CTR_DRBG (AES-256) | Dyber IP Cores

Overview

AES-256 based counter-mode deterministic random bit generator per SP 800-90A section 10.2.1. No derivation function, 384-bit seed length. The certifiable DRBG with published NIST DRBGVS (DRBG Validation System) test vectors.

Key Features

SP 800-90A CTR_DRBG with AES-256
No derivation function
384-bit seed length
Instantiate, Reseed, Generate operations

Benefits

NIST DRBGVS test vectors available for certification
Industry-standard DRBG for FIPS 140-3 compliance
AES-256 based for hardware efficiency with existing AES cores

Standards and Verification

Standards Compliance

NIST SP 800-90A

Verification

Verified vs golden model and NIST DRBGVS vectors.

Note: "Verified" means RTL byte-exact against official test vectors. It does not imply FIPS 140-3 certification or foundry sign-off.

Availability and Deliverables

Available Available (verified soft IP).

Standard Deliverables

Synthesizable SystemVerilog RTL
Self-checking testbench(es)
Python golden reference model
cocotb regression
Synthesis scripts
Integration/user guide

Firm/hard IP (hardened netlist for a target node) available on foundry enablement.

CTR_DRBG (AES-256).