| /*############################################################################ |
| # Copyright 1999-2018 Intel Corporation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| ############################################################################*/ |
| |
| /* |
| // |
| // Purpose: |
| // Cryptography Primitive. |
| // EC over Prime Finite Field (setup/retrieve domain parameters) |
| // |
| // Contents: |
| // ippsECCPSetStd521r1() |
| */ |
| #include "owndefs.h" |
| #include "owncp.h" |
| #include "pcpeccp.h" |
| |
| |
| /* |
| // Set EC521r1 parameters |
| */ |
| IPPFUN(IppStatus, ippsECCPSetStd521r1, (IppsECCPState* pEC)) |
| { |
| /* test pEC */ |
| IPP_BAD_PTR1_RET(pEC); |
| /* use aligned EC context */ |
| pEC = (IppsGFpECState*)( IPP_ALIGNED_PTR(pEC, ECGFP_ALIGNMENT) ); |
| /* set domain parameters */ |
| return ECCPSetDP(ippsGFpMethod_p521r1(), |
| BITS_BNU_CHUNK(521), secp521r1_p, |
| BITS_BNU_CHUNK(521), secp521r1_a, |
| BITS_BNU_CHUNK(521), secp521r1_b, |
| BITS_BNU_CHUNK(521), secp521r1_gx, |
| BITS_BNU_CHUNK(521), secp521r1_gy, |
| BITS_BNU_CHUNK(521), secp521r1_r, |
| secp521r1_h, |
| pEC); |
| } |
| |
| IPPFUN(IppStatus, ippsECCPBindGxyTblStd521r1,(IppsECCPState* pEC)) |
| { |
| /* test pEC */ |
| IPP_BAD_PTR1_RET(pEC); |
| /* use aligned EC context */ |
| pEC = (IppsGFpECState*)( IPP_ALIGNED_PTR(pEC, ECGFP_ALIGNMENT) ); |
| IPP_BADARG_RET(!ECP_TEST_ID(pEC), ippStsContextMatchErr); |
| |
| ECP_PREMULBP(pEC) = gfpec_precom_nistP521r1_fun(); |
| |
| return ippStsNoErr; |
| } |