5079590438

Committed 25 May 2023 12:28PM UTC coverage: 92.228% (+0.5%) from 91.723%

Build # 5079590438

Build Type

Pull #3502

github

Pull Request Pull Request #3502: Apply clang-format to the codebase

Run Details

75589 of 81959 relevant lines covered (92.23%)

12139530.51 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

89.16

/src/lib/codec/hex/hex.cpp

/*
* 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/exceptn.h>
#include <botan/mem_ops.h>
#include <botan/internal/charset.h>
#include <botan/internal/ct_utils.h>
#include <botan/internal/fmt.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;

         throw Invalid_Argument(fmt("hex_decode: invalid character '{}'", format_char_for_display(input[i])));
      }

      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[], std::string_view input, bool ignore_ws) {
   return hex_decode(output, input.data(), input.length(), ignore_ws);
}

size_t hex_decode(std::span<uint8_t> output, std::string_view input, bool ignore_ws) {
   return hex_decode(output.data(), 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(std::string_view 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(std::string_view input, bool ignore_ws) {
   return hex_decode(input.data(), input.size(), ignore_ws);
}

}

1	/*
2	* Hex Encoding and Decoding
3	* (C) 2010,2020 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/hex.h>
9
10	#include <botan/exceptn.h>
11	#include <botan/mem_ops.h>
12	#include <botan/internal/charset.h>
13	#include <botan/internal/ct_utils.h>
14	#include <botan/internal/fmt.h>
15
16	namespace Botan {
17
18	namespace {
19
20	char hex_encode_nibble(uint8_t n, bool uppercase) {	1,801,692✔
21	BOTAN_DEBUG_ASSERT(n <= 15);	1,801,692✔
22
23	const auto in_09 = CT::Mask<uint8_t>::is_lt(n, 10);	1,801,692✔
24
25	const char c_09 = n + '0';	1,801,692✔
26	const char c_af = n + (uppercase ? 'A' : 'a') - 10;	900,846✔
27
28	return in_09.select(c_09, c_af);	900,846✔
29	}
30
31	}
32
33	void hex_encode(char output[], const uint8_t input[], size_t input_length, bool uppercase) {	31,480✔
34	for(size_t i = 0; i != input_length; ++i) {	932,326✔
35	const uint8_t n0 = (input[i] >> 4) & 0xF;	900,846✔
36	const uint8_t n1 = (input[i]) & 0xF;	900,846✔
37
38	output[2 * i] = hex_encode_nibble(n0, uppercase);	900,846✔
39	output[2 * i + 1] = hex_encode_nibble(n1, uppercase);	900,846✔
40	}
41	}	31,480✔
42
43	std::string hex_encode(const uint8_t input[], size_t input_length, bool uppercase) {	31,989✔
44	std::string output(2 * input_length, 0);	31,989✔
45
46	if(input_length)	31,989✔
47	hex_encode(&output.front(), input, input_length, uppercase);	31,440✔
48
49	return output;	31,989✔
50	}	×
51
52	namespace {
53
54	uint8_t hex_char_to_bin(char input) {	33,766,944✔
55	const uint8_t c = static_cast<uint8_t>(input);	33,766,944✔
56
57	const auto is_alpha_upper = CT::Mask<uint8_t>::is_within_range(c, uint8_t('A'), uint8_t('F'));	33,766,944✔
58	const auto is_alpha_lower = CT::Mask<uint8_t>::is_within_range(c, uint8_t('a'), uint8_t('f'));	33,766,944✔
59	const auto is_decimal = CT::Mask<uint8_t>::is_within_range(c, uint8_t('0'), uint8_t('9'));	33,766,944✔
60
61	const auto is_whitespace =	33,766,944✔
62	CT::Mask<uint8_t>::is_any_of(c, {uint8_t(' '), uint8_t('\t'), uint8_t('\n'), uint8_t('\r')});	33,766,944✔
63
64	const uint8_t c_upper = c - uint8_t('A') + 10;	33,766,944✔
65	const uint8_t c_lower = c - uint8_t('a') + 10;	33,766,944✔
66	const uint8_t c_decim = c - uint8_t('0');	33,766,944✔
67
68	uint8_t ret = 0xFF; // default value	33,766,944✔
69
70	ret = is_alpha_upper.select(c_upper, ret);	33,766,944✔
71	ret = is_alpha_lower.select(c_lower, ret);	33,766,944✔
72	ret = is_decimal.select(c_decim, ret);	33,766,944✔
73	ret = is_whitespace.select(0x80, ret);	33,766,944✔
74
75	return ret;	33,766,944✔
76	}
77
78	}
79
80	size_t hex_decode(uint8_t output[], const char input[], size_t input_length, size_t& input_consumed, bool ignore_ws) {	206,451✔
81	uint8_t* out_ptr = output;	206,451✔
82	bool top_nibble = true;	206,451✔
83
84	clear_mem(output, input_length / 2);	206,451✔
85
86	for(size_t i = 0; i != input_length; ++i) {	33,973,395✔
87	const uint8_t bin = hex_char_to_bin(input[i]);	33,766,944✔
88
89	if(bin >= 0x10) {	33,766,944✔
90	if(bin == 0x80 && ignore_ws)	9,176✔
91	continue;	9,176✔
92
93	throw Invalid_Argument(fmt("hex_decode: invalid character '{}'", format_char_for_display(input[i])));	×
94	}
95
96	if(top_nibble)	33,757,768✔
97	*out_ptr \|= bin << 4;	16,878,884✔
98	else
99	*out_ptr \|= bin;	16,878,884✔
100
101	top_nibble = !top_nibble;	33,757,768✔
102	if(top_nibble)	33,757,768✔
103	++out_ptr;	16,878,884✔
104	}
105
106	input_consumed = input_length;	206,451✔
107	size_t written = (out_ptr - output);	206,451✔
108
109	/*
110	* We only got half of a uint8_t at the end; zap the half-written
111	* output and mark it as unread
112	*/
113	if(!top_nibble) {	206,451✔
114	*out_ptr = 0;	×
115	input_consumed -= 1;	×
116	}
117
118	return written;	206,451✔
119	}
120
121	size_t hex_decode(uint8_t output[], const char input[], size_t input_length, bool ignore_ws) {	206,405✔
122	size_t consumed = 0;	206,405✔
123	size_t written = hex_decode(output, input, input_length, consumed, ignore_ws);	206,405✔
124
125	if(consumed != input_length)	206,405✔
126	throw Invalid_Argument("hex_decode: input did not have full bytes");	×
127
128	return written;	206,405✔
129	}
130
131	size_t hex_decode(uint8_t output[], std::string_view input, bool ignore_ws) {	15,076✔
132	return hex_decode(output, input.data(), input.length(), ignore_ws);	15,076✔
133	}
134
135	size_t hex_decode(std::span<uint8_t> output, std::string_view input, bool ignore_ws) {	×
136	return hex_decode(output.data(), input.data(), input.length(), ignore_ws);	×
137	}
138
139	secure_vector<uint8_t> hex_decode_locked(const char input[], size_t input_length, bool ignore_ws) {	42,633✔
140	secure_vector<uint8_t> bin(1 + input_length / 2);	42,633✔
141
142	size_t written = hex_decode(bin.data(), input, input_length, ignore_ws);	42,633✔
143
144	bin.resize(written);	42,633✔
145	return bin;	42,633✔
146	}	×
147
148	secure_vector<uint8_t> hex_decode_locked(std::string_view input, bool ignore_ws) {	83✔
149	return hex_decode_locked(input.data(), input.size(), ignore_ws);	83✔
150	}
151
152	std::vector<uint8_t> hex_decode(const char input[], size_t input_length, bool ignore_ws) {	148,696✔
153	std::vector<uint8_t> bin(1 + input_length / 2);	148,696✔
154
155	size_t written = hex_decode(bin.data(), input, input_length, ignore_ws);	148,696✔
156
157	bin.resize(written);	148,696✔
158	return bin;	148,696✔
159	}	×
160
161	std::vector<uint8_t> hex_decode(std::string_view input, bool ignore_ws) {	148,688✔
162	return hex_decode(input.data(), input.size(), ignore_ws);	148,688✔
163	}
164
165	}

randombit / botan / 5079590438

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous