summaryrefslogtreecommitdiffstats
path: root/comm/third_party/botan/src/lib/codec
diff options
context:
space:
mode:
Diffstat (limited to 'comm/third_party/botan/src/lib/codec')
-rw-r--r--comm/third_party/botan/src/lib/codec/base32/base32.cpp233
-rw-r--r--comm/third_party/botan/src/lib/codec/base32/base32.h127
-rw-r--r--comm/third_party/botan/src/lib/codec/base32/info.txt3
-rw-r--r--comm/third_party/botan/src/lib/codec/base58/base58.cpp189
-rw-r--r--comm/third_party/botan/src/lib/codec/base58/base58.h76
-rw-r--r--comm/third_party/botan/src/lib/codec/base58/info.txt8
-rw-r--r--comm/third_party/botan/src/lib/codec/base64/base64.cpp248
-rw-r--r--comm/third_party/botan/src/lib/codec/base64/base64.h141
-rw-r--r--comm/third_party/botan/src/lib/codec/base64/info.txt3
-rw-r--r--comm/third_party/botan/src/lib/codec/hex/hex.cpp210
-rw-r--r--comm/third_party/botan/src/lib/codec/hex/hex.h148
-rw-r--r--comm/third_party/botan/src/lib/codec/hex/info.txt3
12 files changed, 1389 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/codec/base32/base32.cpp b/comm/third_party/botan/src/lib/codec/base32/base32.cpp
new file mode 100644
index 0000000000..224dae9916
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/base32/base32.cpp
@@ -0,0 +1,233 @@
+/*
+* Base32 Encoding and Decoding
+* (C) 2018 Erwan Chaussy
+* (C) 2018,2020 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/base32.h>
+#include <botan/internal/codec_base.h>
+#include <botan/internal/rounding.h>
+#include <botan/internal/ct_utils.h>
+
+namespace Botan {
+
+namespace {
+
+class Base32 final
+ {
+ public:
+ static inline std::string name() noexcept
+ {
+ return "base32";
+ }
+
+ static inline size_t encoding_bytes_in() noexcept
+ {
+ return m_encoding_bytes_in;
+ }
+ static inline size_t encoding_bytes_out() noexcept
+ {
+ return m_encoding_bytes_out;
+ }
+
+ static inline size_t decoding_bytes_in() noexcept
+ {
+ return m_encoding_bytes_out;
+ }
+ static inline size_t decoding_bytes_out() noexcept
+ {
+ return m_encoding_bytes_in;
+ }
+
+ static inline size_t bits_consumed() noexcept
+ {
+ return m_encoding_bits;
+ }
+ static inline size_t remaining_bits_before_padding() noexcept
+ {
+ return m_remaining_bits_before_padding;
+ }
+
+ static inline size_t encode_max_output(size_t input_length)
+ {
+ return (round_up(input_length, m_encoding_bytes_in) / m_encoding_bytes_in) * m_encoding_bytes_out;
+ }
+ static inline size_t decode_max_output(size_t input_length)
+ {
+ return (round_up(input_length, m_encoding_bytes_out) * m_encoding_bytes_in) / m_encoding_bytes_out;
+ }
+
+ static void encode(char out[8], const uint8_t in[5]) noexcept;
+
+ static uint8_t lookup_binary_value(char input) noexcept;
+
+ static bool check_bad_char(uint8_t bin, char input, bool ignore_ws);
+
+ static void decode(uint8_t* out_ptr, const uint8_t decode_buf[8])
+ {
+ out_ptr[0] = (decode_buf[0] << 3) | (decode_buf[1] >> 2);
+ out_ptr[1] = (decode_buf[1] << 6) | (decode_buf[2] << 1) | (decode_buf[3] >> 4);
+ out_ptr[2] = (decode_buf[3] << 4) | (decode_buf[4] >> 1);
+ out_ptr[3] = (decode_buf[4] << 7) | (decode_buf[5] << 2) | (decode_buf[6] >> 3);
+ out_ptr[4] = (decode_buf[6] << 5) | decode_buf[7];
+ }
+
+ static inline size_t bytes_to_remove(size_t final_truncate)
+ {
+ return final_truncate ? (final_truncate / 2) + 1 : 0;
+ }
+
+ private:
+ static const size_t m_encoding_bits = 5;
+ static const size_t m_remaining_bits_before_padding = 6;
+
+ static const size_t m_encoding_bytes_in = 5;
+ static const size_t m_encoding_bytes_out = 8;
+ };
+
+namespace {
+
+char lookup_base32_char(uint8_t x)
+ {
+ BOTAN_DEBUG_ASSERT(x < 32);
+
+ const auto in_AZ = CT::Mask<uint8_t>::is_lt(x, 26);
+
+ const char c_AZ = 'A' + x;
+ const char c_27 = '2' + (x - 26);
+
+ return in_AZ.select(c_AZ, c_27);
+ }
+
+}
+
+//static
+void Base32::encode(char out[8], const uint8_t in[5]) noexcept
+ {
+ const uint8_t b0 = (in[0] & 0xF8) >> 3;
+ const uint8_t b1 = ((in[0] & 0x07) << 2) | (in[1] >> 6);
+ const uint8_t b2 = ((in[1] & 0x3E) >> 1);
+ const uint8_t b3 = ((in[1] & 0x01) << 4) | (in[2] >> 4);
+ const uint8_t b4 = ((in[2] & 0x0F) << 1) | (in[3] >> 7);
+ const uint8_t b5 = ((in[3] & 0x7C) >> 2);
+ const uint8_t b6 = ((in[3] & 0x03) << 3) | (in[4] >> 5);
+ const uint8_t b7 = in[4] & 0x1F;
+
+ out[0] = lookup_base32_char(b0);
+ out[1] = lookup_base32_char(b1);
+ out[2] = lookup_base32_char(b2);
+ out[3] = lookup_base32_char(b3);
+ out[4] = lookup_base32_char(b4);
+ out[5] = lookup_base32_char(b5);
+ out[6] = lookup_base32_char(b6);
+ out[7] = lookup_base32_char(b7);
+ }
+
+//static
+uint8_t Base32::lookup_binary_value(char input) noexcept
+ {
+ const uint8_t c = static_cast<uint8_t>(input);
+
+ const auto is_alpha_upper = CT::Mask<uint8_t>::is_within_range(c, uint8_t('A'), uint8_t('Z'));
+ const auto is_decimal = CT::Mask<uint8_t>::is_within_range(c, uint8_t('2'), uint8_t('7'));
+
+ const auto is_equal = CT::Mask<uint8_t>::is_equal(c, uint8_t('='));
+ const auto is_whitespace = CT::Mask<uint8_t>::is_any_of(c, {
+ uint8_t(' '), uint8_t('\t'), uint8_t('\n'), uint8_t('\r')
+ });
+
+ const uint8_t c_upper = c - uint8_t('A');
+ const uint8_t c_decim = c - uint8_t('2') + 26;
+
+ uint8_t ret = 0xFF; // default value
+
+ ret = is_alpha_upper.select(c_upper, ret);
+ ret = is_decimal.select(c_decim, ret);
+ ret = is_equal.select(0x81, ret);
+ ret = is_whitespace.select(0x80, ret);
+
+ return ret;
+ }
+
+//static
+bool Base32::check_bad_char(uint8_t bin, char input, bool ignore_ws)
+ {
+ if(bin <= 0x1F)
+ {
+ return true;
+ }
+ else if(!(bin == 0x81 || (bin == 0x80 && ignore_ws)))
+ {
+ std::string bad_char(1, input);
+ if(bad_char == "\t")
+ { bad_char = "\\t"; }
+ else if(bad_char == "\n")
+ { bad_char = "\\n"; }
+ else if(bad_char == "\r")
+ { bad_char = "\\r"; }
+
+ throw Invalid_Argument(
+ std::string("base32_decode: invalid base32 character '") +
+ bad_char + "'");
+ }
+ return false;
+ }
+
+}
+
+size_t base32_encode(char out[],
+ const uint8_t in[],
+ size_t input_length,
+ size_t& input_consumed,
+ bool final_inputs)
+ {
+ return base_encode(Base32(), out, in, input_length, input_consumed, final_inputs);
+ }
+
+std::string base32_encode(const uint8_t input[],
+ size_t input_length)
+ {
+ return base_encode_to_string(Base32(), input, input_length);
+ }
+
+size_t base32_decode(uint8_t out[],
+ const char in[],
+ size_t input_length,
+ size_t& input_consumed,
+ bool final_inputs,
+ bool ignore_ws)
+ {
+ return base_decode(Base32(), out, in, input_length, input_consumed, final_inputs, ignore_ws);
+ }
+
+size_t base32_decode(uint8_t output[],
+ const char input[],
+ size_t input_length,
+ bool ignore_ws)
+ {
+ return base_decode_full(Base32(), output, input, input_length, ignore_ws);
+ }
+
+size_t base32_decode(uint8_t output[],
+ const std::string& input,
+ bool ignore_ws)
+ {
+ return base32_decode(output, input.data(), input.length(), ignore_ws);
+ }
+
+secure_vector<uint8_t> base32_decode(const char input[],
+ size_t input_length,
+ bool ignore_ws)
+ {
+ return base_decode_to_vec<secure_vector<uint8_t>>(Base32(), input, input_length, ignore_ws);
+ }
+
+secure_vector<uint8_t> base32_decode(const std::string& input,
+ bool ignore_ws)
+ {
+ return base32_decode(input.data(), input.size(), ignore_ws);
+ }
+
+}
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
diff --git a/comm/third_party/botan/src/lib/codec/base32/info.txt b/comm/third_party/botan/src/lib/codec/base32/info.txt
new file mode 100644
index 0000000000..8e414c5a33
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/base32/info.txt
@@ -0,0 +1,3 @@
+<defines>
+BASE32_CODEC -> 20180418
+</defines>
diff --git a/comm/third_party/botan/src/lib/codec/base58/base58.cpp b/comm/third_party/botan/src/lib/codec/base58/base58.cpp
new file mode 100644
index 0000000000..a6d509012d
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/base58/base58.cpp
@@ -0,0 +1,189 @@
+/*
+* (C) 2018,2020 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/base58.h>
+#include <botan/exceptn.h>
+#include <botan/bigint.h>
+#include <botan/divide.h>
+#include <botan/loadstor.h>
+#include <botan/internal/ct_utils.h>
+#include <botan/hash.h>
+
+namespace Botan {
+
+namespace {
+
+uint32_t sha256_d_checksum(const uint8_t input[], size_t input_length)
+ {
+ std::unique_ptr<HashFunction> sha256 = HashFunction::create_or_throw("SHA-256");
+
+ std::vector<uint8_t> checksum(32);
+
+ sha256->update(input, input_length);
+ sha256->final(checksum);
+
+ sha256->update(checksum);
+ sha256->final(checksum);
+
+ return load_be<uint32_t>(checksum.data(), 0);
+ }
+
+char lookup_base58_char(uint8_t x)
+ {
+ // "123456789 ABCDEFGH JKLMN PQRSTUVWXYZ abcdefghijk mnopqrstuvwxyz"
+ BOTAN_DEBUG_ASSERT(x < 58);
+
+ const auto is_dec_19 = CT::Mask<uint8_t>::is_lte(x, 8);
+ const auto is_alpha_AH = CT::Mask<uint8_t>::is_within_range(x, 9, 16);
+ const auto is_alpha_JN = CT::Mask<uint8_t>::is_within_range(x, 17, 21);
+ const auto is_alpha_PZ = CT::Mask<uint8_t>::is_within_range(x, 22, 32);
+ const auto is_alpha_ak = CT::Mask<uint8_t>::is_within_range(x, 33, 43);
+ // otherwise in 'm'-'z'
+
+ const char c_19 = '1' + x;
+ const char c_AH = 'A' + (x - 9);
+ const char c_JN = 'J' + (x - 17);
+ const char c_PZ = 'P' + (x - 22);
+ const char c_ak = 'a' + (x - 33);
+ const char c_mz = 'm' + (x - 44);
+
+ char ret = c_mz;
+ ret = is_dec_19.select(c_19, ret);
+ ret = is_alpha_AH.select(c_AH, ret);
+ ret = is_alpha_JN.select(c_JN, ret);
+ ret = is_alpha_PZ.select(c_PZ, ret);
+ ret = is_alpha_ak.select(c_ak, ret);
+
+ return ret;
+ }
+
+std::string base58_encode(BigInt v, size_t leading_zeros)
+ {
+ const uint8_t radix = 58;
+
+ std::string result;
+ BigInt q;
+
+ while(v.is_nonzero())
+ {
+ uint8_t r;
+ ct_divide_u8(v, radix, q, r);
+ result.push_back(lookup_base58_char(r));
+ v.swap(q);
+ }
+
+ for(size_t i = 0; i != leading_zeros; ++i)
+ result.push_back('1'); // 'zero' byte
+
+ return std::string(result.rbegin(), result.rend());
+ }
+
+template<typename T, typename Z>
+size_t count_leading_zeros(const T input[], size_t input_length, Z zero)
+ {
+ size_t leading_zeros = 0;
+
+ while(leading_zeros < input_length && input[leading_zeros] == zero)
+ leading_zeros += 1;
+
+ return leading_zeros;
+ }
+
+uint8_t base58_value_of(char input)
+ {
+ // "123456789 ABCDEFGH JKLMN PQRSTUVWXYZ abcdefghijk mnopqrstuvwxyz"
+
+ const uint8_t c = static_cast<uint8_t>(input);
+
+ const auto is_dec_19 = CT::Mask<uint8_t>::is_within_range(c, uint8_t('1'), uint8_t('9'));
+ const auto is_alpha_AH = CT::Mask<uint8_t>::is_within_range(c, uint8_t('A'), uint8_t('H'));
+ const auto is_alpha_JN = CT::Mask<uint8_t>::is_within_range(c, uint8_t('J'), uint8_t('N'));
+ const auto is_alpha_PZ = CT::Mask<uint8_t>::is_within_range(c, uint8_t('P'), uint8_t('Z'));
+
+ const auto is_alpha_ak = CT::Mask<uint8_t>::is_within_range(c, uint8_t('a'), uint8_t('k'));
+ const auto is_alpha_mz = CT::Mask<uint8_t>::is_within_range(c, uint8_t('m'), uint8_t('z'));
+
+ const uint8_t c_dec_19 = c - uint8_t('1');
+ const uint8_t c_AH = c - uint8_t('A') + 9;
+ const uint8_t c_JN = c - uint8_t('J') + 17;
+ const uint8_t c_PZ = c - uint8_t('P') + 22;
+
+ const uint8_t c_ak = c - uint8_t('a') + 33;
+ const uint8_t c_mz = c - uint8_t('m') + 44;
+
+ uint8_t ret = 0xFF; // default value
+
+ ret = is_dec_19.select(c_dec_19, ret);
+ ret = is_alpha_AH.select(c_AH, ret);
+ ret = is_alpha_JN.select(c_JN, ret);
+ ret = is_alpha_PZ.select(c_PZ, ret);
+ ret = is_alpha_ak.select(c_ak, ret);
+ ret = is_alpha_mz.select(c_mz, ret);
+ return ret;
+ }
+
+}
+
+std::string base58_encode(const uint8_t input[], size_t input_length)
+ {
+ BigInt v(input, input_length);
+ return base58_encode(v, count_leading_zeros(input, input_length, 0));
+ }
+
+std::string base58_check_encode(const uint8_t input[], size_t input_length)
+ {
+ BigInt v(input, input_length);
+ v <<= 32;
+ v += sha256_d_checksum(input, input_length);
+ return base58_encode(v, count_leading_zeros(input, input_length, 0));
+ }
+
+std::vector<uint8_t> base58_decode(const char input[], size_t input_length)
+ {
+ const size_t leading_zeros = count_leading_zeros(input, input_length, '1');
+
+ BigInt v;
+
+ for(size_t i = leading_zeros; i != input_length; ++i)
+ {
+ const char c = input[i];
+
+ if(c == ' ' || c == '\n')
+ continue;
+
+ const uint8_t idx = base58_value_of(c);
+
+ if(idx == 0xFF)
+ throw Decoding_Error("Invalid base58");
+
+ v *= 58;
+ v += idx;
+ }
+
+ std::vector<uint8_t> output(v.bytes() + leading_zeros);
+ v.binary_encode(output.data() + leading_zeros);
+ return output;
+ }
+
+std::vector<uint8_t> base58_check_decode(const char input[], size_t input_length)
+ {
+ std::vector<uint8_t> dec = base58_decode(input, input_length);
+
+ if(dec.size() < 4)
+ throw Decoding_Error("Invalid base58 too short for checksum");
+
+ const uint32_t computed_checksum = sha256_d_checksum(dec.data(), dec.size() - 4);
+ const uint32_t checksum = load_be<uint32_t>(&dec[dec.size()-4], 0);
+
+ if(checksum != computed_checksum)
+ throw Decoding_Error("Invalid base58 checksum");
+
+ dec.resize(dec.size() - 4);
+
+ return dec;
+ }
+
+}
diff --git a/comm/third_party/botan/src/lib/codec/base58/base58.h b/comm/third_party/botan/src/lib/codec/base58/base58.h
new file mode 100644
index 0000000000..4654a0557c
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/base58/base58.h
@@ -0,0 +1,76 @@
+/*
+* (C) 2018 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_BASE58_CODEC_H_
+#define BOTAN_BASE58_CODEC_H_
+
+#include <botan/secmem.h>
+#include <vector>
+#include <string>
+
+namespace Botan {
+
+/**
+* Perform base58 encoding
+*
+* This is raw base58 encoding, without the checksum
+*/
+std::string
+BOTAN_PUBLIC_API(2,9) base58_encode(const uint8_t input[],
+ size_t input_length);
+
+/**
+* Perform base58 encoding with checksum
+*/
+std::string
+BOTAN_PUBLIC_API(2,9) base58_check_encode(const uint8_t input[],
+ size_t input_length);
+
+
+/**
+* Perform base58 decoding
+*
+* This is raw base58 encoding, without the checksum
+*/
+std::vector<uint8_t>
+BOTAN_PUBLIC_API(2,9) base58_decode(const char input[],
+ size_t input_length);
+
+/**
+* Perform base58 decoding with checksum
+*/
+std::vector<uint8_t>
+BOTAN_PUBLIC_API(2,9) base58_check_decode(const char input[],
+ size_t input_length);
+
+
+// Some convenience wrappers:
+
+template<typename Alloc>
+inline std::string base58_encode(const std::vector<uint8_t, Alloc>& vec)
+ {
+ return base58_encode(vec.data(), vec.size());
+ }
+
+template<typename Alloc>
+inline std::string base58_check_encode(const std::vector<uint8_t, Alloc>& vec)
+ {
+ return base58_check_encode(vec.data(), vec.size());
+ }
+
+inline std::vector<uint8_t> base58_decode(const std::string& s)
+ {
+ return base58_decode(s.data(), s.size());
+ }
+
+inline std::vector<uint8_t> base58_check_decode(const std::string& s)
+ {
+ return base58_check_decode(s.data(), s.size());
+ }
+
+}
+
+#endif
diff --git a/comm/third_party/botan/src/lib/codec/base58/info.txt b/comm/third_party/botan/src/lib/codec/base58/info.txt
new file mode 100644
index 0000000000..0b09c016d0
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/base58/info.txt
@@ -0,0 +1,8 @@
+<defines>
+BASE58_CODEC -> 20181209
+</defines>
+
+<requires>
+sha2_32
+bigint
+</requires>
diff --git a/comm/third_party/botan/src/lib/codec/base64/base64.cpp b/comm/third_party/botan/src/lib/codec/base64/base64.cpp
new file mode 100644
index 0000000000..93675f0e34
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/base64/base64.cpp
@@ -0,0 +1,248 @@
+/*
+* Base64 Encoding and Decoding
+* (C) 2010,2015,2020 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/base64.h>
+#include <botan/internal/codec_base.h>
+#include <botan/exceptn.h>
+#include <botan/internal/rounding.h>
+#include <botan/internal/ct_utils.h>
+
+namespace Botan {
+
+namespace {
+
+class Base64 final
+ {
+ public:
+ static inline std::string name() noexcept
+ {
+ return "base64";
+ }
+
+ static inline size_t encoding_bytes_in() noexcept
+ {
+ return m_encoding_bytes_in;
+ }
+ static inline size_t encoding_bytes_out() noexcept
+ {
+ return m_encoding_bytes_out;
+ }
+
+ static inline size_t decoding_bytes_in() noexcept
+ {
+ return m_encoding_bytes_out;
+ }
+ static inline size_t decoding_bytes_out() noexcept
+ {
+ return m_encoding_bytes_in;
+ }
+
+ static inline size_t bits_consumed() noexcept
+ {
+ return m_encoding_bits;
+ }
+ static inline size_t remaining_bits_before_padding() noexcept
+ {
+ return m_remaining_bits_before_padding;
+ }
+
+ static inline size_t encode_max_output(size_t input_length)
+ {
+ return (round_up(input_length, m_encoding_bytes_in) / m_encoding_bytes_in) * m_encoding_bytes_out;
+ }
+ static inline size_t decode_max_output(size_t input_length)
+ {
+ return (round_up(input_length, m_encoding_bytes_out) * m_encoding_bytes_in) / m_encoding_bytes_out;
+ }
+
+ static void encode(char out[8], const uint8_t in[5]) noexcept;
+
+ static uint8_t lookup_binary_value(char input) noexcept;
+
+ static bool check_bad_char(uint8_t bin, char input, bool ignore_ws);
+
+ static void decode(uint8_t* out_ptr, const uint8_t decode_buf[4])
+ {
+ out_ptr[0] = (decode_buf[0] << 2) | (decode_buf[1] >> 4);
+ out_ptr[1] = (decode_buf[1] << 4) | (decode_buf[2] >> 2);
+ out_ptr[2] = (decode_buf[2] << 6) | decode_buf[3];
+ }
+
+ static inline size_t bytes_to_remove(size_t final_truncate)
+ {
+ return final_truncate;
+ }
+
+ private:
+ static const size_t m_encoding_bits = 6;
+ static const size_t m_remaining_bits_before_padding = 8;
+
+ static const size_t m_encoding_bytes_in = 3;
+ static const size_t m_encoding_bytes_out = 4;
+ };
+
+char lookup_base64_char(uint8_t x)
+ {
+ BOTAN_DEBUG_ASSERT(x < 64);
+
+ const auto in_az = CT::Mask<uint8_t>::is_within_range(x, 26, 51);
+ const auto in_09 = CT::Mask<uint8_t>::is_within_range(x, 52, 61);
+ const auto eq_plus = CT::Mask<uint8_t>::is_equal(x, 62);
+ const auto eq_slash = CT::Mask<uint8_t>::is_equal(x, 63);
+
+ const char c_AZ = 'A' + x;
+ const char c_az = 'a' + (x - 26);
+ const char c_09 = '0' + (x - 2*26);
+ const char c_plus = '+';
+ const char c_slash = '/';
+
+ char ret = c_AZ;
+ ret = in_az.select(c_az, ret);
+ ret = in_09.select(c_09, ret);
+ ret = eq_plus.select(c_plus, ret);
+ ret = eq_slash.select(c_slash, ret);
+
+ return ret;
+ }
+
+//static
+void Base64::encode(char out[8], const uint8_t in[5]) noexcept
+ {
+ const uint8_t b0 = (in[0] & 0xFC) >> 2;
+ const uint8_t b1 = ((in[0] & 0x03) << 4) | (in[1] >> 4);
+ const uint8_t b2 = ((in[1] & 0x0F) << 2) | (in[2] >> 6);
+ const uint8_t b3 = in[2] & 0x3F;
+ out[0] = lookup_base64_char(b0);
+ out[1] = lookup_base64_char(b1);
+ out[2] = lookup_base64_char(b2);
+ out[3] = lookup_base64_char(b3);
+ }
+
+//static
+uint8_t Base64::lookup_binary_value(char input) noexcept
+ {
+ const uint8_t c = static_cast<uint8_t>(input);
+
+ const auto is_alpha_upper = CT::Mask<uint8_t>::is_within_range(c, uint8_t('A'), uint8_t('Z'));
+ const auto is_alpha_lower = CT::Mask<uint8_t>::is_within_range(c, uint8_t('a'), uint8_t('z'));
+ const auto is_decimal = CT::Mask<uint8_t>::is_within_range(c, uint8_t('0'), uint8_t('9'));
+
+ const auto is_plus = CT::Mask<uint8_t>::is_equal(c, uint8_t('+'));
+ const auto is_slash = CT::Mask<uint8_t>::is_equal(c, uint8_t('/'));
+ const auto is_equal = CT::Mask<uint8_t>::is_equal(c, uint8_t('='));
+
+ const auto is_whitespace = CT::Mask<uint8_t>::is_any_of(c, {
+ uint8_t(' '), uint8_t('\t'), uint8_t('\n'), uint8_t('\r')
+ });
+
+ const uint8_t c_upper = c - uint8_t('A');
+ const uint8_t c_lower = c - uint8_t('a') + 26;
+ const uint8_t c_decim = c - uint8_t('0') + 2*26;
+
+ uint8_t ret = 0xFF; // default value
+
+ ret = is_alpha_upper.select(c_upper, ret);
+ ret = is_alpha_lower.select(c_lower, ret);
+ ret = is_decimal.select(c_decim, ret);
+ ret = is_plus.select(62, ret);
+ ret = is_slash.select(63, ret);
+ ret = is_equal.select(0x81, ret);
+ ret = is_whitespace.select(0x80, ret);
+
+ return ret;
+ }
+
+//static
+bool Base64::check_bad_char(uint8_t bin, char input, bool ignore_ws)
+ {
+ if(bin <= 0x3F)
+ {
+ return true;
+ }
+ else if(!(bin == 0x81 || (bin == 0x80 && ignore_ws)))
+ {
+ std::string bad_char(1, input);
+ if(bad_char == "\t")
+ { bad_char = "\\t"; }
+ else if(bad_char == "\n")
+ { bad_char = "\\n"; }
+ else if(bad_char == "\r")
+ { bad_char = "\\r"; }
+
+ throw Invalid_Argument(
+ std::string("base64_decode: invalid base64 character '") +
+ bad_char + "'");
+ }
+ return false;
+ }
+
+}
+
+size_t base64_encode(char out[],
+ const uint8_t in[],
+ size_t input_length,
+ size_t& input_consumed,
+ bool final_inputs)
+ {
+ return base_encode(Base64(), out, in, input_length, input_consumed, final_inputs);
+ }
+
+std::string base64_encode(const uint8_t input[],
+ size_t input_length)
+ {
+ return base_encode_to_string(Base64(), input, input_length);
+ }
+
+size_t base64_decode(uint8_t out[],
+ const char in[],
+ size_t input_length,
+ size_t& input_consumed,
+ bool final_inputs,
+ bool ignore_ws)
+ {
+ return base_decode(Base64(), out, in, input_length, input_consumed, final_inputs, ignore_ws);
+ }
+
+size_t base64_decode(uint8_t output[],
+ const char input[],
+ size_t input_length,
+ bool ignore_ws)
+ {
+ return base_decode_full(Base64(), output, input, input_length, ignore_ws);
+ }
+
+size_t base64_decode(uint8_t output[],
+ const std::string& input,
+ bool ignore_ws)
+ {
+ return base64_decode(output, input.data(), input.length(), ignore_ws);
+ }
+
+secure_vector<uint8_t> base64_decode(const char input[],
+ size_t input_length,
+ bool ignore_ws)
+ {
+ return base_decode_to_vec<secure_vector<uint8_t>>(Base64(), input, input_length, ignore_ws);
+ }
+
+secure_vector<uint8_t> base64_decode(const std::string& input,
+ bool ignore_ws)
+ {
+ return base64_decode(input.data(), input.size(), ignore_ws);
+ }
+
+size_t base64_encode_max_output(size_t input_length)
+ {
+ return Base64::encode_max_output(input_length);
+ }
+
+size_t base64_decode_max_output(size_t input_length)
+ {
+ return Base64::decode_max_output(input_length);
+ }
+
+}
diff --git a/comm/third_party/botan/src/lib/codec/base64/base64.h b/comm/third_party/botan/src/lib/codec/base64/base64.h
new file mode 100644
index 0000000000..a20d03b0f7
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/base64/base64.h
@@ -0,0 +1,141 @@
+/*
+* Base64 Encoding and Decoding
+* (C) 2010 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_BASE64_CODEC_H_
+#define BOTAN_BASE64_CODEC_H_
+
+#include <botan/secmem.h>
+#include <string>
+
+namespace Botan {
+
+/**
+* Perform base64 encoding
+* @param output an array of at least base64_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(2,0) base64_encode(char output[],
+ const uint8_t input[],
+ size_t input_length,
+ size_t& input_consumed,
+ bool final_inputs);
+
+/**
+* Perform base64 encoding
+* @param input some input
+* @param input_length length of input in bytes
+* @return base64adecimal representation of input
+*/
+std::string BOTAN_PUBLIC_API(2,0) base64_encode(const uint8_t input[],
+ size_t input_length);
+
+/**
+* Perform base64 encoding
+* @param input some input
+* @return base64adecimal representation of input
+*/
+template<typename Alloc>
+std::string base64_encode(const std::vector<uint8_t, Alloc>& input)
+ {
+ return base64_encode(input.data(), input.size());
+ }
+
+/**
+* Perform base64 decoding
+* @param output an array of at least base64_decode_max_output bytes
+* @param input some base64 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(2,0) base64_decode(uint8_t output[],
+ const char input[],
+ size_t input_length,
+ size_t& input_consumed,
+ bool final_inputs,
+ bool ignore_ws = true);
+
+/**
+* Perform base64 decoding
+* @param output an array of at least base64_decode_max_output bytes
+* @param input some base64 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(2,0) base64_decode(uint8_t output[],
+ const char input[],
+ size_t input_length,
+ bool ignore_ws = true);
+
+/**
+* Perform base64 decoding
+* @param output an array of at least base64_decode_max_output bytes
+* @param input some base64 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(2,0) base64_decode(uint8_t output[],
+ const std::string& input,
+ bool ignore_ws = true);
+
+/**
+* Perform base64 decoding
+* @param input some base64 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 base64 output
+*/
+secure_vector<uint8_t> BOTAN_PUBLIC_API(2,0) base64_decode(const char input[],
+ size_t input_length,
+ bool ignore_ws = true);
+
+/**
+* Perform base64 decoding
+* @param input some base64 input
+* @param ignore_ws ignore whitespace on input; if false, throw an
+ exception if whitespace is encountered
+* @return decoded base64 output
+*/
+secure_vector<uint8_t> BOTAN_PUBLIC_API(2,0) base64_decode(const std::string& input,
+ bool ignore_ws = true);
+
+/**
+* Calculate the size of output buffer for base64_encode
+* @param input_length the length of input in bytes
+* @return the size of output buffer in bytes
+*/
+size_t BOTAN_PUBLIC_API(2,1) base64_encode_max_output(size_t input_length);
+
+/**
+* Calculate the size of output buffer for base64_decode
+* @param input_length the length of input in bytes
+* @return the size of output buffer in bytes
+*/
+size_t BOTAN_PUBLIC_API(2,1) base64_decode_max_output(size_t input_length);
+
+}
+
+#endif
diff --git a/comm/third_party/botan/src/lib/codec/base64/info.txt b/comm/third_party/botan/src/lib/codec/base64/info.txt
new file mode 100644
index 0000000000..ceed636053
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/base64/info.txt
@@ -0,0 +1,3 @@
+<defines>
+BASE64_CODEC -> 20131128
+</defines>
diff --git a/comm/third_party/botan/src/lib/codec/hex/hex.cpp b/comm/third_party/botan/src/lib/codec/hex/hex.cpp
new file mode 100644
index 0000000000..1ae21f398b
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/hex/hex.cpp
@@ -0,0 +1,210 @@
+/*
+* Hex Encoding and Decoding
+* (C) 2010,2020 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/hex.h>
+#include <botan/mem_ops.h>
+#include <botan/exceptn.h>
+#include <botan/internal/ct_utils.h>
+
+namespace Botan {
+
+namespace {
+
+char hex_encode_nibble(uint8_t n, bool uppercase)
+ {
+ BOTAN_DEBUG_ASSERT(n <= 15);
+
+ const auto in_09 = CT::Mask<uint8_t>::is_lt(n, 10);
+
+ const char c_09 = n + '0';
+ const char c_af = n + (uppercase ? 'A' : 'a') - 10;
+
+ return in_09.select(c_09, c_af);
+ }
+
+}
+
+void hex_encode(char output[],
+ const uint8_t input[],
+ size_t input_length,
+ bool uppercase)
+ {
+ for(size_t i = 0; i != input_length; ++i)
+ {
+ const uint8_t n0 = (input[i] >> 4) & 0xF;
+ const uint8_t n1 = (input[i] ) & 0xF;
+
+ output[2*i ] = hex_encode_nibble(n0, uppercase);
+ output[2*i+1] = hex_encode_nibble(n1, uppercase);
+ }
+ }
+
+std::string hex_encode(const uint8_t input[],
+ size_t input_length,
+ bool uppercase)
+ {
+ std::string output(2 * input_length, 0);
+
+ if(input_length)
+ hex_encode(&output.front(), input, input_length, uppercase);
+
+ return output;
+ }
+
+namespace {
+
+uint8_t hex_char_to_bin(char input)
+ {
+ const uint8_t c = static_cast<uint8_t>(input);
+
+ const auto is_alpha_upper = CT::Mask<uint8_t>::is_within_range(c, uint8_t('A'), uint8_t('F'));
+ const auto is_alpha_lower = CT::Mask<uint8_t>::is_within_range(c, uint8_t('a'), uint8_t('f'));
+ const auto is_decimal = CT::Mask<uint8_t>::is_within_range(c, uint8_t('0'), uint8_t('9'));
+
+ const auto is_whitespace = CT::Mask<uint8_t>::is_any_of(c, {
+ uint8_t(' '), uint8_t('\t'), uint8_t('\n'), uint8_t('\r')
+ });
+
+ const uint8_t c_upper = c - uint8_t('A') + 10;
+ const uint8_t c_lower = c - uint8_t('a') + 10;
+ const uint8_t c_decim = c - uint8_t('0');
+
+ uint8_t ret = 0xFF; // default value
+
+ ret = is_alpha_upper.select(c_upper, ret);
+ ret = is_alpha_lower.select(c_lower, ret);
+ ret = is_decimal.select(c_decim, ret);
+ ret = is_whitespace.select(0x80, ret);
+
+ return ret;
+ }
+
+}
+
+
+size_t hex_decode(uint8_t output[],
+ const char input[],
+ size_t input_length,
+ size_t& input_consumed,
+ bool ignore_ws)
+ {
+ uint8_t* out_ptr = output;
+ bool top_nibble = true;
+
+ clear_mem(output, input_length / 2);
+
+ for(size_t i = 0; i != input_length; ++i)
+ {
+ const uint8_t bin = hex_char_to_bin(input[i]);
+
+ if(bin >= 0x10)
+ {
+ if(bin == 0x80 && ignore_ws)
+ continue;
+
+ std::string bad_char(1, input[i]);
+ if(bad_char == "\t")
+ bad_char = "\\t";
+ else if(bad_char == "\n")
+ bad_char = "\\n";
+
+ throw Invalid_Argument(
+ std::string("hex_decode: invalid hex character '") +
+ bad_char + "'");
+ }
+
+ if(top_nibble)
+ *out_ptr |= bin << 4;
+ else
+ *out_ptr |= bin;
+
+ top_nibble = !top_nibble;
+ if(top_nibble)
+ ++out_ptr;
+ }
+
+ input_consumed = input_length;
+ size_t written = (out_ptr - output);
+
+ /*
+ * We only got half of a uint8_t at the end; zap the half-written
+ * output and mark it as unread
+ */
+ if(!top_nibble)
+ {
+ *out_ptr = 0;
+ input_consumed -= 1;
+ }
+
+ return written;
+ }
+
+size_t hex_decode(uint8_t output[],
+ const char input[],
+ size_t input_length,
+ bool ignore_ws)
+ {
+ size_t consumed = 0;
+ size_t written = hex_decode(output, input, input_length,
+ consumed, ignore_ws);
+
+ if(consumed != input_length)
+ throw Invalid_Argument("hex_decode: input did not have full bytes");
+
+ return written;
+ }
+
+size_t hex_decode(uint8_t output[],
+ const std::string& input,
+ bool ignore_ws)
+ {
+ return hex_decode(output, input.data(), input.length(), ignore_ws);
+ }
+
+secure_vector<uint8_t> hex_decode_locked(const char input[],
+ size_t input_length,
+ bool ignore_ws)
+ {
+ secure_vector<uint8_t> bin(1 + input_length / 2);
+
+ size_t written = hex_decode(bin.data(),
+ input,
+ input_length,
+ ignore_ws);
+
+ bin.resize(written);
+ return bin;
+ }
+
+secure_vector<uint8_t> hex_decode_locked(const std::string& input,
+ bool ignore_ws)
+ {
+ return hex_decode_locked(input.data(), input.size(), ignore_ws);
+ }
+
+std::vector<uint8_t> hex_decode(const char input[],
+ size_t input_length,
+ bool ignore_ws)
+ {
+ std::vector<uint8_t> bin(1 + input_length / 2);
+
+ size_t written = hex_decode(bin.data(),
+ input,
+ input_length,
+ ignore_ws);
+
+ bin.resize(written);
+ return bin;
+ }
+
+std::vector<uint8_t> hex_decode(const std::string& input,
+ bool ignore_ws)
+ {
+ return hex_decode(input.data(), input.size(), ignore_ws);
+ }
+
+}
diff --git a/comm/third_party/botan/src/lib/codec/hex/hex.h b/comm/third_party/botan/src/lib/codec/hex/hex.h
new file mode 100644
index 0000000000..330d8a69a5
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/hex/hex.h
@@ -0,0 +1,148 @@
+/*
+* Hex Encoding and Decoding
+* (C) 2010 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_HEX_CODEC_H_
+#define BOTAN_HEX_CODEC_H_
+
+#include <botan/secmem.h>
+#include <string>
+
+namespace Botan {
+
+/**
+* Perform hex encoding
+* @param output an array of at least input_length*2 bytes
+* @param input is some binary data
+* @param input_length length of input in bytes
+* @param uppercase should output be upper or lower case?
+*/
+void BOTAN_PUBLIC_API(2,0) hex_encode(char output[],
+ const uint8_t input[],
+ size_t input_length,
+ bool uppercase = true);
+
+/**
+* Perform hex encoding
+* @param input some input
+* @param input_length length of input in bytes
+* @param uppercase should output be upper or lower case?
+* @return hexadecimal representation of input
+*/
+std::string BOTAN_PUBLIC_API(2,0) hex_encode(const uint8_t input[],
+ size_t input_length,
+ bool uppercase = true);
+
+/**
+* Perform hex encoding
+* @param input some input
+* @param uppercase should output be upper or lower case?
+* @return hexadecimal representation of input
+*/
+template<typename Alloc>
+std::string hex_encode(const std::vector<uint8_t, Alloc>& input,
+ bool uppercase = true)
+ {
+ return hex_encode(input.data(), input.size(), uppercase);
+ }
+
+/**
+* Perform hex decoding
+* @param output an array of at least input_length/2 bytes
+* @param input some hex 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 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(2,0) hex_decode(uint8_t output[],
+ const char input[],
+ size_t input_length,
+ size_t& input_consumed,
+ bool ignore_ws = true);
+
+/**
+* Perform hex decoding
+* @param output an array of at least input_length/2 bytes
+* @param input some hex 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(2,0) hex_decode(uint8_t output[],
+ const char input[],
+ size_t input_length,
+ bool ignore_ws = true);
+
+/**
+* Perform hex decoding
+* @param output an array of at least input_length/2 bytes
+* @param input some hex 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(2,0) hex_decode(uint8_t output[],
+ const std::string& input,
+ bool ignore_ws = true);
+
+/**
+* Perform hex decoding
+* @param input some hex 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 hex output
+*/
+std::vector<uint8_t> BOTAN_PUBLIC_API(2,0)
+hex_decode(const char input[],
+ size_t input_length,
+ bool ignore_ws = true);
+
+/**
+* Perform hex decoding
+* @param input some hex input
+* @param ignore_ws ignore whitespace on input; if false, throw an
+ exception if whitespace is encountered
+* @return decoded hex output
+*/
+std::vector<uint8_t> BOTAN_PUBLIC_API(2,0)
+hex_decode(const std::string& input,
+ bool ignore_ws = true);
+
+
+/**
+* Perform hex decoding
+* @param input some hex 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 hex output
+*/
+secure_vector<uint8_t> BOTAN_PUBLIC_API(2,0)
+hex_decode_locked(const char input[],
+ size_t input_length,
+ bool ignore_ws = true);
+
+/**
+* Perform hex decoding
+* @param input some hex input
+* @param ignore_ws ignore whitespace on input; if false, throw an
+ exception if whitespace is encountered
+* @return decoded hex output
+*/
+secure_vector<uint8_t> BOTAN_PUBLIC_API(2,0)
+hex_decode_locked(const std::string& input,
+ bool ignore_ws = true);
+
+}
+
+#endif
diff --git a/comm/third_party/botan/src/lib/codec/hex/info.txt b/comm/third_party/botan/src/lib/codec/hex/info.txt
new file mode 100644
index 0000000000..6ee27e57c2
--- /dev/null
+++ b/comm/third_party/botan/src/lib/codec/hex/info.txt
@@ -0,0 +1,3 @@
+<defines>
+HEX_CODEC -> 20131128
+</defines>