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

A7251

   First Validated: 7/28/2025
Operating Environment Algorithm Capabilities
Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
    ECDSA KeyGen (FIPS186-5) Expand
    Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
      ECDSA KeyGen (FIPS186-5) Expand
      Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
        ECDSA KeyGen (FIPS186-5) Expand
        Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
          ECDSA KeyGen (FIPS186-5) Expand
          Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
            ECDSA KeyGen (FIPS186-5) Expand
            Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
              ECDSA KeyGen (FIPS186-5) Expand
              Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                ECDSA KeyGen (FIPS186-5) Expand
                Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                  ECDSA KeyGen (FIPS186-5) Expand
                  Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                    ECDSA KeyGen (FIPS186-5) Expand
                    Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
                      ECDSA KeyVer (FIPS186-5) Expand
                      Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                        ECDSA KeyVer (FIPS186-5) Expand
                        Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
                          ECDSA KeyVer (FIPS186-5) Expand
                          Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
                            ECDSA KeyVer (FIPS186-5) Expand
                            Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
                              ECDSA KeyVer (FIPS186-5) Expand
                              Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
                                ECDSA KeyVer (FIPS186-5) Expand
                                Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                                  ECDSA KeyVer (FIPS186-5) Expand
                                  Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                    ECDSA KeyVer (FIPS186-5) Expand
                                    Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                                      ECDSA KeyVer (FIPS186-5) Expand
                                      Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
                                        ECDSA SigGen (FIPS186-5) Expand
                                        Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                          ECDSA SigGen (FIPS186-5) Expand
                                          Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
                                            ECDSA SigGen (FIPS186-5) Expand
                                            Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
                                              ECDSA SigGen (FIPS186-5) Expand
                                              Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
                                                ECDSA SigGen (FIPS186-5) Expand
                                                Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
                                                  ECDSA SigGen (FIPS186-5) Expand
                                                  Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                                                    ECDSA SigGen (FIPS186-5) Expand
                                                    Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                      ECDSA SigGen (FIPS186-5) Expand
                                                      Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                                                        ECDSA SigGen (FIPS186-5) Expand
                                                        Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
                                                          ECDSA SigVer (FIPS186-5) Expand
                                                          Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                            ECDSA SigVer (FIPS186-5) Expand
                                                            Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
                                                              ECDSA SigVer (FIPS186-5) Expand
                                                              Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
                                                                ECDSA SigVer (FIPS186-5) Expand
                                                                Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
                                                                  ECDSA SigVer (FIPS186-5) Expand
                                                                  Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
                                                                    ECDSA SigVer (FIPS186-5) Expand
                                                                    Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                                                                      ECDSA SigVer (FIPS186-5) Expand
                                                                      Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                        ECDSA SigVer (FIPS186-5) Expand
                                                                        Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                                                                          ECDSA SigVer (FIPS186-5) Expand
                                                                          Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
                                                                            RSA Decryption Primitive Sp800-56Br2 Expand
                                                                            Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                              RSA Decryption Primitive Sp800-56Br2 Expand
                                                                              Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
                                                                                RSA Decryption Primitive Sp800-56Br2 Expand
                                                                                Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
                                                                                  RSA Decryption Primitive Sp800-56Br2 Expand
                                                                                  Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
                                                                                    RSA Decryption Primitive Sp800-56Br2 Expand
                                                                                    Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
                                                                                      RSA Decryption Primitive Sp800-56Br2 Expand
                                                                                      Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                                                                                        RSA Decryption Primitive Sp800-56Br2 Expand
                                                                                        Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                          RSA Decryption Primitive Sp800-56Br2 Expand
                                                                                          Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                                                                                            RSA Decryption Primitive Sp800-56Br2 Expand
                                                                                            Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
                                                                                              RSA SigGen (FIPS186-5) Expand
                                                                                              Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                                RSA SigGen (FIPS186-5) Expand
                                                                                                Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
                                                                                                  RSA SigGen (FIPS186-5) Expand
                                                                                                  Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
                                                                                                    RSA SigGen (FIPS186-5) Expand
                                                                                                    Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
                                                                                                      RSA SigGen (FIPS186-5) Expand
                                                                                                      Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
                                                                                                        RSA SigGen (FIPS186-5) Expand
                                                                                                        Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                                                                                                          RSA SigGen (FIPS186-5) Expand
                                                                                                          Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                                            RSA SigGen (FIPS186-5) Expand
                                                                                                            Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                                                                                                              RSA SigGen (FIPS186-5) Expand
                                                                                                              Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
                                                                                                                RSA Signature Primitive 2.0 Expand
                                                                                                                Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                                                  RSA Signature Primitive 2.0 Expand
                                                                                                                  Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
                                                                                                                    RSA Signature Primitive 2.0 Expand
                                                                                                                    Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
                                                                                                                      RSA Signature Primitive 2.0 Expand
                                                                                                                      Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
                                                                                                                        RSA Signature Primitive 2.0 Expand
                                                                                                                        Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
                                                                                                                          RSA Signature Primitive 2.0 Expand
                                                                                                                          Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                                                                                                                            RSA Signature Primitive 2.0 Expand
                                                                                                                            Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                                                              RSA Signature Primitive 2.0 Expand
                                                                                                                              Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                                                                                                                                RSA Signature Primitive 2.0 Expand
                                                                                                                                Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
                                                                                                                                  RSA SigVer (FIPS186-4) Expand
                                                                                                                                  Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                                                                    RSA SigVer (FIPS186-4) Expand
                                                                                                                                    Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
                                                                                                                                      RSA SigVer (FIPS186-4) Expand
                                                                                                                                      Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
                                                                                                                                        RSA SigVer (FIPS186-4) Expand
                                                                                                                                        Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
                                                                                                                                          RSA SigVer (FIPS186-4) Expand
                                                                                                                                          Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
                                                                                                                                            RSA SigVer (FIPS186-4) Expand
                                                                                                                                            Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                                                                                                                                              RSA SigVer (FIPS186-4) Expand
                                                                                                                                              Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                                                                                RSA SigVer (FIPS186-4) Expand
                                                                                                                                                Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                                                                                                                                                  RSA SigVer (FIPS186-4) Expand
                                                                                                                                                  Windows 11 24H2 Client IoT LTSC on Microsoft Surface Pro 11th Edition (ARM) with Snapdragon(R) X 12-core X1E80100 @3.4 GHz, 3417 Mhz, 12 Core(s), 12 Logical Processor(s) processor Expand
                                                                                                                                                    RSA SigVer (FIPS186-5) Expand
                                                                                                                                                    Windows 11 24H2 Education on HP Elite x360 830 13-inch G11 2-in-1 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                                                                                      RSA SigVer (FIPS186-5) Expand
                                                                                                                                                      Windows 11 24H2 Education on Microsoft Surface Go 4 with Intel(R) N200 1000Mhz, 4 Core, 4 Logical Process processor Expand
                                                                                                                                                        RSA SigVer (FIPS186-5) Expand
                                                                                                                                                        Windows 11 24H2 Enterprise IoT on Dell Precision 3490 with Intel(R) CoreTM Ultra 7 165U 3.80 Ghz processor Expand
                                                                                                                                                          RSA SigVer (FIPS186-5) Expand
                                                                                                                                                          Windows 11 24H2 Enterprise on Dell Latitude 5550 with Intel(R) CoreTM Ultra 7 165U 1.70Ghz processor Expand
                                                                                                                                                            RSA SigVer (FIPS186-5) Expand
                                                                                                                                                            Windows 11 24H2 Enterprise on Microsoft Surface Laptop 6 with Intel(R) CoreTM Ultra 7 165H, 3800 Mhz, 16 Core(s), 22 Logical Processor(s) processor Expand
                                                                                                                                                              RSA SigVer (FIPS186-5) Expand
                                                                                                                                                              Windows 11 24H2 Enterprise on Microsoft Surface Laptop Studio 2 with 13th Gen Intel(R) Core(TM)i7-13800H, 2900Mhz, 14 Core(s), 20 Logical Process processor Expand
                                                                                                                                                                RSA SigVer (FIPS186-5) Expand
                                                                                                                                                                Windows 11 24H2 Pro on HP EliteBook 840 14-inch G11 Notebook PC with Intel(R) CoreTM Ultra 7 155U 1.70Ghz processor Expand
                                                                                                                                                                  RSA SigVer (FIPS186-5) Expand
                                                                                                                                                                  Windows 11 24H2 Pro on Microsoft Surface Pro 10 with Intel(R) CoreTM Ultra 7 165U, 2100 Mhz, 12 Core(s), 14 Logical Processor(s) processor Expand
                                                                                                                                                                    RSA SigVer (FIPS186-5) Expand

                                                                                                                                                                    Created October 05, 2016, Updated September 22, 2026