Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Projects Cryptographic Algorithm Validation Program

Cryptographic Algorithm Validation Program CAVP

Implementation Name
PS2251-21
Description
The Phison PS2251-21 USB NAND controller implements XTS-AES-256 for hardware-based, on-the-fly encryption and decryption of user data. RSA-4096 with SHA-512 is implemented for digital signature verification of firmware images, ensuring firmware authenticity and integrity.
Version
PS2251-21 Module V1.00
Type
HARDWARE
Vendor
Phison Electronics Corporation
No. 1, Qun Yi Road
Jhunan, Miaoli County 350
Taiwan R.O.C
Contacts
Lester Chang
[email protected]
⁠+88637586896 ext.80019
Fax: ⁠+88637587090

A8839

   First Validated: 8/11/2026
Operating Environment Algorithm Capabilities
PS2251-21 with ARM Cortex-R5 Expand
    		AES-ECB Expand
    PS2251-21 with ARM Cortex-R5 Expand
      		AES-XTS Testing Revision 2.0 Expand
      PS2251-21 with ARM Cortex-R5 Expand
        		RSA SigVer (FIPS186-5) Expand
        PS2251-21 with ARM Cortex-R5 Expand
          		SHA2-512 Expand

          Created October 05, 2016, Updated September 22, 2026