1 /*############################################################################ 2 # Copyright 2016-2017 Intel Corporation 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 ############################################################################*/ 16 17 /*! 18 * \file 19 * \brief Elliptic curve group private interface. 20 */ 21 22 #ifndef EPID_COMMON_MATH_SRC_ECGROUP_INTERNAL_H_ 23 #define EPID_COMMON_MATH_SRC_ECGROUP_INTERNAL_H_ 24 25 #include "epid/common/math/src/finitefield-internal.h" 26 #include "ext/ipp/include/ippcp.h" 27 28 /// Elpitic Curve Group 29 struct EcGroup { 30 /// Internal implementation of elliptic curve group 31 IppsGFpECState* ipp_ec; 32 /// Scratch buffer for operations over elliptic curve group 33 OctStr scratch_buffer; 34 /// Information about finite field of elliptic curve group 35 struct FiniteField* ff; 36 }; 37 38 /// Elpitic Curve Point 39 struct EcPoint { 40 /// Internal implementation of elliptic curve point 41 IppsGFpECPoint* ipp_ec_pt; 42 /// length of the finite field element of elliptic curve group 43 int element_len; 44 }; 45 #endif // EPID_COMMON_MATH_SRC_ECGROUP_INTERNAL_H_ 46