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.

Cryptographic Algorithm Validation Program CAVP

Description
The Microsoft Windows MsBignum Library algorithm implementation provides ECDSA and RSA support to other Microsoft libraries and cryptographic modules.
Version
10.0.26100.1
Type
SOFTWARE
Vendor
Microsoft Corporation
One Microsoft Way
Redmond, WA 98052-6399
USA
Contacts
Mike Grimm
[email protected]
800-Microsoft

A7263

   First Validated: 7/28/2025
Operating Environment Algorithm Capabilities
Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
    ECDSA KeyGen (FIPS186-5) Expand
    Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
      ECDSA KeyGen (FIPS186-5) Expand
      Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
        ECDSA KeyGen (FIPS186-5) Expand
        Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
          ECDSA KeyVer (FIPS186-5) Expand
          Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
            ECDSA KeyVer (FIPS186-5) Expand
            Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
              ECDSA KeyVer (FIPS186-5) Expand
              Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
                ECDSA SigGen (FIPS186-5) Expand
                Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
                  ECDSA SigGen (FIPS186-5) Expand
                  Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
                    ECDSA SigGen (FIPS186-5) Expand
                    Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
                      ECDSA SigVer (FIPS186-5) Expand
                      Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
                        ECDSA SigVer (FIPS186-5) Expand
                        Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
                          ECDSA SigVer (FIPS186-5) Expand
                          Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
                            RSA Decryption Primitive Sp800-56Br2 Expand
                            Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
                              RSA Decryption Primitive Sp800-56Br2 Expand
                              Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
                                RSA Decryption Primitive Sp800-56Br2 Expand
                                Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
                                  RSA SigGen (FIPS186-5) Expand
                                  Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
                                    RSA SigGen (FIPS186-5) Expand
                                    Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
                                      RSA SigGen (FIPS186-5) Expand
                                      Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
                                        RSA Signature Primitive 2.0 Expand
                                        Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
                                          RSA Signature Primitive 2.0 Expand
                                          Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
                                            RSA Signature Primitive 2.0 Expand
                                            Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
                                              RSA SigVer (FIPS186-4) Expand
                                              Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
                                                RSA SigVer (FIPS186-4) Expand
                                                Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
                                                  RSA SigVer (FIPS186-4) Expand
                                                  Windows Server 2025 Datacenter on Dell PowerEdge R640 with Intel(R) Xeon(R) Gold 6130 CPU processor Expand
                                                    RSA SigVer (FIPS186-5) Expand
                                                    Windows Server 2025 Datacenter:Azure Edition 2025 on Microsoft Windows Server 2025 Hyper-V with AMD EPYC 9554 64-Core processor Expand
                                                      RSA SigVer (FIPS186-5) Expand
                                                      Windows Server 2025 Standard on Dell PowerEdge R760 with Intel(R) Xeon(R) Platinum 8452Y processor Expand
                                                        RSA SigVer (FIPS186-5) Expand

                                                        Created October 05, 2016, Updated September 22, 2026