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/*
* Licensed Materials - Property of IBM
*
* trousers - An open source TCG Software Stack
*
* (C) Copyright International Business Machines Corp. 2006
*
*/
#ifndef VERIFIER_H_
#define VERIFIER_H_
#include "bi.h"
#include "daa_structs.h"
#include "anonymity_revocation.h"
#include "daa_parameter.h"
#include "tsplog.h"
/*
* Transaction of a DAA Verifier to verify a signature (VerifierTransaction.java)
*/
typedef struct {
BYTE *baseName;
int baseName_length;
EVP_MD *digest;
BYTE *nonce;
int nonce_length;
int is_anonymity_revocation_enabled; // boolean
BYTE *anonymity_revocation_condition;
int anonymity_revocation_condition_length;
CS_PUBLIC_KEY *anonymity_revocator_pk;
// private TssDaaSelectedAttrib[] selectedAttributes2Commit;
TSS_DAA_SELECTED_ATTRIB **selected_attributes2commit;
int selected_attributes2commitLength;
} DAA_VERIFIER_TRANSACTION;
/* the return (BYTE *) should be free after usage */
BYTE *compute_bytes( int seedLength, BYTE *seed, int length, const EVP_MD *digest);
bi_ptr compute_zeta( int nameLength, unsigned char *name, TSS_DAA_PK_internal *issuer_pk);
bi_ptr project_into_group_gamma( bi_ptr base, TSS_DAA_PK_internal *issuer_pk);
#if 0
TSPICALL Tspi_DAA_VerifyInit_internal
(
TSS_HDAA hDAA, // in
UINT32* nonceVerifierLength, // out
BYTE** nonceVerifier, // out
UINT32 baseNameLength, // out
BYTE ** baseName // out
);
TSPICALL Tspi_DAA_VerifySignature_internal
( TSS_HDAA hDAA, // in
TSS_DAA_SIGNATURE signature, // in
TSS_HKEY hPubKeyIssuer, // in
TSS_DAA_SIGN_DATA sign_data, // in
UINT32 attributes_length, // in
BYTE **attributes, // in
UINT32 nonce_verifierLength, // out
BYTE *nonce_verifier, // out
UINT32 base_nameLength, // out
BYTE *base_name, // out
TSS_BOOL *isCorrect // out
);
#else
TSS_RESULT
Tspi_DAA_VerifySignature
(
TSS_HDAA_CREDENTIAL hDAACredential, // in
TSS_HDAA_ISSUER_KEY hIssuerKey, // in
TSS_HDAA_ARA_KEY hARAKey, // in
TSS_HHASH hARACondition, // in
UINT32 attributesLength, // in
UINT32 attributesLength2, // in
BYTE** attributes, // in
UINT32 verifierNonceLength, // in
BYTE* verifierNonce, // in
UINT32 verifierBaseNameLength, // in
BYTE* verifierBaseName, // in
TSS_HOBJECT signData, // in
TSS_DAA_SIGNATURE* daaSignature, // in
TSS_BOOL* isCorrect // out
);
#endif
BYTE *compute_sign_challenge_host(
int *result_length,
EVP_MD *digest,
TSS_DAA_PK_internal *issuer_pk,
int nonce_verifierLength,
BYTE *nonce_verifier,
int selected_attributes2commitLength,
TSS_DAA_SELECTED_ATTRIB **selected_attributes2commit,
int is_anonymity_revocation_enabled,
bi_ptr zeta,
bi_ptr capital_t,
bi_ptr capital_tilde,
int attribute_commitmentsLength,
TSS_DAA_ATTRIB_COMMIT_internal **attribute_commitments,
TSS_DAA_ATTRIB_COMMIT_internal **attribute_commitment_proofs,
bi_ptr capital_nv,
bi_ptr capital_tilde_v,
CS_PUBLIC_KEY *anonymity_revocator_pk,
CS_ENCRYPTION_RESULT *encryption_result_rand,
CS_ENCRYPTION_RESULT *encryption_result_proof);
#endif /*VERIFIER_H_*/
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