1 /*############################################################################ 2 # Copyright 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 /// Host non-revoked proof helper APIs 17 /*! \file */ 18 #ifndef EPID_MEMBER_SRC_NRPROVE_COMMITMENT_H_ 19 #define EPID_MEMBER_SRC_NRPROVE_COMMITMENT_H_ 20 21 #include <stddef.h> 22 #include "epid/common/errors.h" 23 #include "epid/common/types.h" // HashAlg, G1ElemStr 24 25 /// \cond 26 typedef struct FiniteField FiniteField; 27 typedef struct FpElemStr FpElemStr; 28 typedef struct SigRlEntry SigRlEntry; 29 typedef struct NrProveCommitOutput NrProveCommitOutput; 30 /// \endcond 31 32 #pragma pack(1) 33 /// Result of NrProve Commit 34 typedef struct NrProveCommitOutput { 35 G1ElemStr T; ///< T value for NrProof 36 G1ElemStr R1; ///< Serialized G1 element 37 G1ElemStr R2; ///< Serialized G1 element 38 } NrProveCommitOutput; 39 #pragma pack() 40 41 /// Calculates commitment hash of NrProve commit 42 /*! 43 44 \param[in] Fp 45 The finite field. 46 47 \param[in] hash_alg 48 The hash algorithm. 49 50 \param[in] B_str 51 The B value from the ::BasicSignature. 52 53 \param[in] K_str 54 The K value from the ::BasicSignature. 55 56 \param[in] sigrl_entry 57 The signature based revocation list entry corresponding to this 58 proof. 59 60 \param[in] commit_out 61 The output from the NrProve commit. 62 63 \param[in] msg 64 The message. 65 66 \param[in] msg_len 67 The size of message in bytes. 68 69 \param[out] c_str 70 The resulting commitment hash. 71 72 \returns ::EpidStatus 73 74 */ 75 EpidStatus HashNrProveCommitment(FiniteField* Fp, HashAlg hash_alg, 76 G1ElemStr const* B_str, G1ElemStr const* K_str, 77 SigRlEntry const* sigrl_entry, 78 NrProveCommitOutput const* commit_out, 79 void const* msg, size_t msg_len, 80 FpElemStr* c_str); 81 82 #endif // EPID_MEMBER_SRC_NRPROVE_COMMITMENT_H_ 83