1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* Copyright 2023 Google LLC.
* 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
*
* https://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.
*/
#ifndef PRIVATE_JOIN_AND_COMPUTE_ANONYMOUS_COUNTING_TOKENS_ACT_V0_ACT_V0_H_
#define PRIVATE_JOIN_AND_COMPUTE_ANONYMOUS_COUNTING_TOKENS_ACT_V0_ACT_V0_H_
#include <memory>
#include <string>
#include <tuple>
#include <vector>
#include "act/act.h"
#include "act/act.pb.h"
#include "private_join_and_compute/util/status.inc"
namespace private_join_and_compute {
namespace anonymous_counting_tokens {
// An implementation of vO Anonymous Counting Tokens.
class AnonymousCountingTokensV0 : public AnonymousCountingTokens {
public:
static std::unique_ptr<AnonymousCountingTokens> Create();
// Returns a fresh set of Server parameters corresponding to these
// SchemeParameters. Fails with InvalidArgument if the parameters don't
// correspond to ACT v0.
StatusOr<ServerParameters> GenerateServerParameters(
const SchemeParameters& scheme_parameters) override;
// Returns a fresh set of Client parameters corresponding to these
// SchemeParameters and ServerPublicParameters. Fails with InvalidArgument if
// the parameters don't correspond to ACT v0.
StatusOr<ClientParameters> GenerateClientParameters(
const SchemeParameters& scheme_parameters,
const ServerPublicParameters& server_public_parameters) override;
// Verifies the consistency of the ClientPublicParameters with the Server and
// scheme parameters. Fails with InvalidArgument if the parameters don't
// correspond to ACT v0.
Status CheckClientParameters(
const SchemeParameters& scheme_parameters,
const ClientPublicParameters& client_public_parameters,
const ServerPublicParameters& server_public_parameters,
const ServerPrivateParameters& server_private_parameters) override;
// Returns a tuple of client_fingerprints, TokensRequest and
// TokensRequestPrivateState for the given set of messages. Fails with
// InvalidArgument if the parameters don't correspond to ACT v0.
StatusOr<std::tuple<std::vector<std::string>, TokensRequest,
TokensRequestPrivateState>>
GenerateTokensRequest(
absl::Span<const std::string> messages,
const SchemeParameters& scheme_parameters,
const ClientPublicParameters& client_public_parameters,
const ClientPrivateParameters& client_private_parameters,
const ServerPublicParameters& server_public_parameters) override;
// Returns OkStatus on a valid request. Fails with InvalidArgument if the
// parameters don't correspond to ACT v0.
Status CheckTokensRequest(
absl::Span<const std::string> client_fingerprints,
const TokensRequest& tokens_request,
const SchemeParameters& scheme_parameters,
const ClientPublicParameters& client_public_parameters,
const ServerPublicParameters& server_public_parameters,
const ServerPrivateParameters& server_private_parameters) override;
// Returns the TokensResponse. Fails with InvalidArgument if the parameters
// don't correspond to ACT v0.
StatusOr<TokensResponse> GenerateTokensResponse(
const TokensRequest& tokens_request,
const SchemeParameters& scheme_parameters,
const ClientPublicParameters& client_public_parameters,
const ServerPublicParameters& server_public_parameters,
const ServerPrivateParameters& server_private_parameters) override;
// Returns OkStatus on a valid response. Fails with InvalidArgument if the
// parameters don't correspond to ACT v0.
Status VerifyTokensResponse(
absl::Span<const std::string> messages,
const TokensRequest& tokens_request,
const TokensRequestPrivateState& tokens_request_private_state,
const TokensResponse& tokens_response,
const SchemeParameters& scheme_parameters,
const ClientPublicParameters& client_public_parameters,
const ClientPrivateParameters& client_private_parameters,
const ServerPublicParameters& server_public_parameters) override;
// Returns a vector of tokens corresponding to the supplied messages. Fails
// with InvalidArgument if the parameters don't correspond to ACT v0.
StatusOr<std::vector<Token>> RecoverTokens(
absl::Span<const std::string> messages,
const TokensRequest& tokens_request,
const TokensRequestPrivateState& tokens_request_private_state,
const TokensResponse& tokens_response,
const SchemeParameters& scheme_parameters,
const ClientPublicParameters& client_public_parameters,
const ClientPrivateParameters& client_private_parameters,
const ServerPublicParameters& server_public_parameters) override;
// Returns OkStatus on valid tokens. Fails with InvalidArgument if the
// parameters don't correspond to ACT v0.
Status VerifyToken(
std::string m, const Token& token,
const SchemeParameters& scheme_parameters,
const ServerPublicParameters& server_public_parameters,
const ServerPrivateParameters& server_private_parameters) override;
protected:
AnonymousCountingTokensV0() = default;
};
} // namespace anonymous_counting_tokens
} // namespace private_join_and_compute
#endif // PRIVATE_JOIN_AND_COMPUTE_ANONYMOUS_COUNTING_TOKENS_ACT_V0_ACT_V0_H_
|
