diff options
Diffstat (limited to 'comm/third_party/botan/src/lib/codec/base32/base32.h')
-rw-r--r-- | comm/third_party/botan/src/lib/codec/base32/base32.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/codec/base32/base32.h b/comm/third_party/botan/src/lib/codec/base32/base32.h new file mode 100644 index 0000000000..d2bcb3e6ab --- /dev/null +++ b/comm/third_party/botan/src/lib/codec/base32/base32.h @@ -0,0 +1,127 @@ +/* +* Base32 Encoding and Decoding +* (C) 2018 Erwan Chaussy +* +* Botan is released under the Simplified BSD License (see license.txt) +*/ + +#ifndef BOTAN_BASE32_CODEC_H_ +#define BOTAN_BASE32_CODEC_H_ + +#include <botan/secmem.h> +#include <string> + +namespace Botan { + +/** +* Perform base32 encoding +* @param output an array of at least base32_encode_max_output bytes +* @param input is some binary data +* @param input_length length of input in bytes +* @param input_consumed is an output parameter which says how many +* bytes of input were actually consumed. If less than +* input_length, then the range input[consumed:length] +* should be passed in later along with more input. +* @param final_inputs true iff this is the last input, in which case + padding chars will be applied if needed +* @return number of bytes written to output +*/ +size_t BOTAN_PUBLIC_API(2, 7) base32_encode(char output[], + const uint8_t input[], + size_t input_length, + size_t& input_consumed, + bool final_inputs); + +/** +* Perform base32 encoding +* @param input some input +* @param input_length length of input in bytes +* @return base32 representation of input +*/ +std::string BOTAN_PUBLIC_API(2, 7) base32_encode(const uint8_t input[], + size_t input_length); + +/** +* Perform base32 encoding +* @param input some input +* @return base32 representation of input +*/ +template <typename Alloc> +std::string base32_encode(const std::vector<uint8_t, Alloc>& input) + { + return base32_encode(input.data(), input.size()); + } + +/** +* Perform base32 decoding +* @param output an array of at least base32_decode_max_output bytes +* @param input some base32 input +* @param input_length length of input in bytes +* @param input_consumed is an output parameter which says how many +* bytes of input were actually consumed. If less than +* input_length, then the range input[consumed:length] +* should be passed in later along with more input. +* @param final_inputs true iff this is the last input, in which case + padding is allowed +* @param ignore_ws ignore whitespace on input; if false, throw an + exception if whitespace is encountered +* @return number of bytes written to output +*/ +size_t BOTAN_PUBLIC_API(2, 7) base32_decode(uint8_t output[], + const char input[], + size_t input_length, + size_t& input_consumed, + bool final_inputs, + bool ignore_ws = true); + +/** +* Perform base32 decoding +* @param output an array of at least base32_decode_max_output bytes +* @param input some base32 input +* @param input_length length of input in bytes +* @param ignore_ws ignore whitespace on input; if false, throw an + exception if whitespace is encountered +* @return number of bytes written to output +*/ +size_t BOTAN_PUBLIC_API(2, 7) base32_decode(uint8_t output[], + const char input[], + size_t input_length, + bool ignore_ws = true); + +/** +* Perform base32 decoding +* @param output an array of at least base32_decode_max_output bytes +* @param input some base32 input +* @param ignore_ws ignore whitespace on input; if false, throw an + exception if whitespace is encountered +* @return number of bytes written to output +*/ +size_t BOTAN_PUBLIC_API(2, 7) base32_decode(uint8_t output[], + const std::string& input, + bool ignore_ws = true); + +/** +* Perform base32 decoding +* @param input some base32 input +* @param input_length the length of input in bytes +* @param ignore_ws ignore whitespace on input; if false, throw an + exception if whitespace is encountered +* @return decoded base32 output +*/ +secure_vector<uint8_t> BOTAN_PUBLIC_API(2, 7) base32_decode(const char input[], + size_t input_length, + bool ignore_ws = true); + +/** +* Perform base32 decoding +* @param input some base32 input +* @param ignore_ws ignore whitespace on input; if false, throw an + exception if whitespace is encountered +* @return decoded base32 output +*/ +secure_vector<uint8_t> BOTAN_PUBLIC_API(2, 7) base32_decode(const std::string& input, + bool ignore_ws = true); + +} // namespace Botan + +#endif |