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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "components/rappor/reports.h" | 5 #include "components/rappor/reports.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/rand_util.h" | 8 #include "base/rand_util.h" |
9 #include "base/strings/string_piece.h" | 9 #include "base/strings/string_piece.h" |
10 #include "components/rappor/byte_vector_utils.h" | 10 #include "components/rappor/byte_vector_utils.h" |
11 #include "components/rappor/rappor_parameters.h" | 11 #include "components/rappor/public/rappor_parameters.h" |
12 | 12 |
13 namespace rappor { | 13 namespace rappor { |
14 | 14 |
15 namespace internal { | 15 namespace internal { |
16 | 16 |
17 ByteVector GenerateReport(const std::string& secret, | 17 ByteVector GenerateReport(const std::string& secret, |
18 const NoiseParameters& parameters, | 18 const NoiseParameters& parameters, |
19 const ByteVector& value) { | 19 const ByteVector& value) { |
20 // Generate a deterministically random mask of fake data using the | 20 // Generate a deterministically random mask of fake data using the |
21 // client's secret key + real data as a seed. The inclusion of the secret | 21 // client's secret key + real data as a seed. The inclusion of the secret |
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44 | 44 |
45 // Create a randomized response report on the fake and redacted data, sending | 45 // Create a randomized response report on the fake and redacted data, sending |
46 // the outcome of flipping a zero coin for the zero bits in that data, and of | 46 // the outcome of flipping a zero coin for the zero bits in that data, and of |
47 // flipping a one coin for the one bits in that data, as the final report. | 47 // flipping a one coin for the one bits in that data, as the final report. |
48 return *ByteVectorMerge(*fake_and_redacted_bits, zero_coins, &one_coins); | 48 return *ByteVectorMerge(*fake_and_redacted_bits, zero_coins, &one_coins); |
49 } | 49 } |
50 | 50 |
51 } // namespace internal | 51 } // namespace internal |
52 | 52 |
53 } // namespace rappor | 53 } // namespace rappor |
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