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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef COMPONENTS_BASE32_BASE32_H_ |
| 6 #define COMPONENTS_BASE32_BASE32_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/strings/string_piece.h" |
| 11 |
| 12 namespace base32 { |
| 13 |
| 14 enum class Base32EncodePolicy { |
| 15 // Include the trailing padding in the output, when necessary. |
| 16 INCLUDE_PADDING, |
| 17 // Omit trailing padding in the output. Such an output will not be decodable |
| 18 // unless |input.size()| is known by the decoder. Its size is guaranteed to be |
| 19 // |ceil(input.size() * 8.0 / 5.0)|. |
| 20 OMIT_PADDING |
| 21 }; |
| 22 |
| 23 // Encodes the |input| string in base32, defined in RFC 4648: |
| 24 // https://tools.ietf.org/html/rfc4648#section-5 |
| 25 // |
| 26 // The |policy| defines whether padding should be included or omitted from the |
| 27 // encoded output. |
| 28 std::string Base32Encode( |
| 29 base::StringPiece input, |
| 30 Base32EncodePolicy policy = Base32EncodePolicy::INCLUDE_PADDING); |
| 31 |
| 32 } // namespace base32 |
| 33 |
| 34 #endif // COMPONENTS_BASE32_BASE32_H_ |
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