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You may 30 * obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 31 * 32 * 33 * Unless required by applicable law or agreed to in writing, software 34 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 35 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 36 * 37 * See the License for the specific language governing permissions and 38 * limitations under the License. 39 *******************************************************************************/ 40 41 /* 42 // 43 // Purpose: 44 // Cryptography Primitive. 45 // EC over Prime Finite Field (setup/retrieve domain parameters) 46 // 47 // Contents: 48 // ippsECCPSetStd() 49 // 50 */ 51 52 #include "owndefs.h" 53 #include "owncp.h" 54 #include "pcpeccp.h" 55 56 /*F* 57 // Name: ippsECCPSetStd 58 // 59 // Purpose: Set Standard ECC Domain Parameter. 60 // 61 // Returns: Reason: 62 // ippStsNullPtrErr NULL == pEC 63 // 64 // ippStsContextMatchErr illegal pEC->idCtx 65 // 66 // ippStsECCInvalidFlagErr invalid flag 67 // 68 // ippStsNoErr no errors 69 // 70 // Parameters: 71 // flag specify standard ECC parameter(s) to be setup 72 // pEC pointer to the ECC context 73 // 74 *F*/ 75 IPPFUN(IppStatus, ippsECCPSetStd, (IppECCType flag, IppsECCPState* pEC)) 76 { 77 /* test pEC */ 78 IPP_BAD_PTR1_RET(pEC); 79 /* use aligned EC context */ 80 pEC = (IppsGFpECState*)( IPP_ALIGNED_PTR(pEC, ECGFP_ALIGNMENT) ); 81 82 switch(flag) { 83 case IppECCPStd112r1: 84 return ECCPSetDP(ippsGFpMethod_pArb(), 85 BITS_BNU_CHUNK(112), secp112r1_p, 86 BITS_BNU_CHUNK(112), secp112r1_a, 87 BITS_BNU_CHUNK(112), secp112r1_b, 88 BITS_BNU_CHUNK(112), secp112r1_gx, 89 BITS_BNU_CHUNK(112), secp112r1_gy, 90 BITS_BNU_CHUNK(112), secp112r1_r, 91 secp112r1_h, pEC); 92 93 case IppECCPStd112r2: 94 return ECCPSetDP(ippsGFpMethod_pArb(), 95 BITS_BNU_CHUNK(112), secp112r2_p, 96 BITS_BNU_CHUNK(112), secp112r2_a, 97 BITS_BNU_CHUNK(112), secp112r2_b, 98 BITS_BNU_CHUNK(112), secp112r2_gx, 99 BITS_BNU_CHUNK(112), secp112r2_gy, 100 BITS_BNU_CHUNK(112), secp112r2_r, 101 secp112r2_h, pEC); 102 103 case IppECCPStd128r1: return ippsECCPSetStd128r1(pEC); 104 105 case IppECCPStd128r2: return ippsECCPSetStd128r2(pEC); 106 107 case IppECCPStd160r1: 108 return ECCPSetDP(ippsGFpMethod_pArb(), 109 BITS_BNU_CHUNK(160), secp160r1_p, 110 BITS_BNU_CHUNK(160), secp160r1_a, 111 BITS_BNU_CHUNK(160), secp160r1_b, 112 BITS_BNU_CHUNK(160), secp160r1_gx, 113 BITS_BNU_CHUNK(160), secp160r1_gy, 114 BITS_BNU_CHUNK(161), secp160r1_r, 115 secp160r1_h, pEC); 116 117 case IppECCPStd160r2: 118 return ECCPSetDP(ippsGFpMethod_pArb(), 119 BITS_BNU_CHUNK(160), secp160r2_p, 120 BITS_BNU_CHUNK(160), secp160r2_a, 121 BITS_BNU_CHUNK(160), secp160r2_b, 122 BITS_BNU_CHUNK(160), secp160r2_gx, 123 BITS_BNU_CHUNK(160), secp160r2_gy, 124 BITS_BNU_CHUNK(161), secp160r2_r, 125 secp160r2_h, pEC); 126 127 case IppECCPStd192r1: return ippsECCPSetStd192r1(pEC); 128 129 case IppECCPStd224r1: return ippsECCPSetStd224r1(pEC); 130 131 case IppECCPStd256r1: return ippsECCPSetStd256r1(pEC); 132 133 case IppECCPStd384r1: return ippsECCPSetStd384r1(pEC); 134 135 case IppECCPStd521r1: return ippsECCPSetStd521r1(pEC); 136 137 case ippEC_TPM_BN_P256: 138 return ECCPSetDP(ippsGFpMethod_pArb(), 139 BITS_BNU_CHUNK(256), tpmBN_p256p_p, 140 BITS_BNU_CHUNK(32), tpmBN_p256p_a, 141 BITS_BNU_CHUNK(32), tpmBN_p256p_b, 142 BITS_BNU_CHUNK(32), tpmBN_p256p_gx, 143 BITS_BNU_CHUNK(32), tpmBN_p256p_gy, 144 BITS_BNU_CHUNK(256), tpmBN_p256p_r, 145 tpmBN_p256p_h, pEC); 146 147 //case ippECPstdSM2: return ippsECCPSetStdSM2(pEC); 148 149 default: 150 return ippStsECCInvalidFlagErr; 151 } 152 } 153
