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%)

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96.55

/src/lib/modes/aead/aead.cpp

/*
* (C) 2013,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/aead.h>

#include <botan/internal/parsing.h>
#include <botan/internal/scan_name.h>
#include <sstream>

#if defined(BOTAN_HAS_BLOCK_CIPHER)
   #include <botan/block_cipher.h>
#endif

#if defined(BOTAN_HAS_AEAD_CCM)
   #include <botan/internal/ccm.h>
#endif

#if defined(BOTAN_HAS_AEAD_CHACHA20_POLY1305)
   #include <botan/internal/chacha20poly1305.h>
#endif

#if defined(BOTAN_HAS_AEAD_EAX)
   #include <botan/internal/eax.h>
#endif

#if defined(BOTAN_HAS_AEAD_GCM)
   #include <botan/internal/gcm.h>
#endif

#if defined(BOTAN_HAS_AEAD_OCB)
   #include <botan/internal/ocb.h>
#endif

#if defined(BOTAN_HAS_AEAD_SIV)
   #include <botan/internal/siv.h>
#endif

namespace Botan {

std::unique_ptr<AEAD_Mode> AEAD_Mode::create_or_throw(std::string_view algo,
                                                      Cipher_Dir dir,
                                                      std::string_view provider) {
   if(auto aead = AEAD_Mode::create(algo, dir, provider))
      return aead;

   throw Lookup_Error("AEAD", algo, provider);
}

std::unique_ptr<AEAD_Mode> AEAD_Mode::create(std::string_view algo, Cipher_Dir dir, std::string_view provider) {
   BOTAN_UNUSED(provider);
#if defined(BOTAN_HAS_AEAD_CHACHA20_POLY1305)
   if(algo == "ChaCha20Poly1305") {
      if(dir == Cipher_Dir::Encryption)
         return std::make_unique<ChaCha20Poly1305_Encryption>();
      else
         return std::make_unique<ChaCha20Poly1305_Decryption>();
   }
#endif

   if(algo.find('/') != std::string::npos) {
      const std::vector<std::string> algo_parts = split_on(algo, '/');
      std::string_view cipher_name = algo_parts[0];
      const std::vector<std::string> mode_info = parse_algorithm_name(algo_parts[1]);

      if(mode_info.empty())
         return std::unique_ptr<AEAD_Mode>();

      std::ostringstream mode_name;

      mode_name << mode_info[0] << '(' << cipher_name;
      for(size_t i = 1; i < mode_info.size(); ++i)
         mode_name << ',' << mode_info[i];
      for(size_t i = 2; i < algo_parts.size(); ++i)
         mode_name << ',' << algo_parts[i];
      mode_name << ')';

      return AEAD_Mode::create(mode_name.str(), dir);
   }

#if defined(BOTAN_HAS_BLOCK_CIPHER)

   SCAN_Name req(algo);

   if(req.arg_count() == 0) {
      return std::unique_ptr<AEAD_Mode>();
   }

   auto bc = BlockCipher::create(req.arg(0), provider);

   if(!bc) {
      return std::unique_ptr<AEAD_Mode>();
   }

   #if defined(BOTAN_HAS_AEAD_CCM)
   if(req.algo_name() == "CCM") {
      size_t tag_len = req.arg_as_integer(1, 16);
      size_t L_len = req.arg_as_integer(2, 3);
      if(dir == Cipher_Dir::Encryption)
         return std::make_unique<CCM_Encryption>(std::move(bc), tag_len, L_len);
      else
         return std::make_unique<CCM_Decryption>(std::move(bc), tag_len, L_len);
   }
   #endif

   #if defined(BOTAN_HAS_AEAD_GCM)
   if(req.algo_name() == "GCM") {
      size_t tag_len = req.arg_as_integer(1, 16);
      if(dir == Cipher_Dir::Encryption)
         return std::make_unique<GCM_Encryption>(std::move(bc), tag_len);
      else
         return std::make_unique<GCM_Decryption>(std::move(bc), tag_len);
   }
   #endif

   #if defined(BOTAN_HAS_AEAD_OCB)
   if(req.algo_name() == "OCB") {
      size_t tag_len = req.arg_as_integer(1, 16);
      if(dir == Cipher_Dir::Encryption)
         return std::make_unique<OCB_Encryption>(std::move(bc), tag_len);
      else
         return std::make_unique<OCB_Decryption>(std::move(bc), tag_len);
   }
   #endif

   #if defined(BOTAN_HAS_AEAD_EAX)
   if(req.algo_name() == "EAX") {
      size_t tag_len = req.arg_as_integer(1, bc->block_size());
      if(dir == Cipher_Dir::Encryption)
         return std::make_unique<EAX_Encryption>(std::move(bc), tag_len);
      else
         return std::make_unique<EAX_Decryption>(std::move(bc), tag_len);
   }
   #endif

   #if defined(BOTAN_HAS_AEAD_SIV)
   if(req.algo_name() == "SIV") {
      if(dir == Cipher_Dir::Encryption)
         return std::make_unique<SIV_Encryption>(std::move(bc));
      else
         return std::make_unique<SIV_Decryption>(std::move(bc));
   }
   #endif

#endif

   return std::unique_ptr<AEAD_Mode>();
}

}

1	/*
2	* (C) 2013,2015 Jack Lloyd
3	*
4	* Botan is released under the Simplified BSD License (see license.txt)
5	*/
6
7	#include <botan/aead.h>
8
9	#include <botan/internal/parsing.h>
10	#include <botan/internal/scan_name.h>
11	#include <sstream>
12
13	#if defined(BOTAN_HAS_BLOCK_CIPHER)
14	#include <botan/block_cipher.h>
15	#endif
16
17	#if defined(BOTAN_HAS_AEAD_CCM)
18	#include <botan/internal/ccm.h>
19	#endif
20
21	#if defined(BOTAN_HAS_AEAD_CHACHA20_POLY1305)
22	#include <botan/internal/chacha20poly1305.h>
23	#endif
24
25	#if defined(BOTAN_HAS_AEAD_EAX)
26	#include <botan/internal/eax.h>
27	#endif
28
29	#if defined(BOTAN_HAS_AEAD_GCM)
30	#include <botan/internal/gcm.h>
31	#endif
32
33	#if defined(BOTAN_HAS_AEAD_OCB)
34	#include <botan/internal/ocb.h>
35	#endif
36
37	#if defined(BOTAN_HAS_AEAD_SIV)
38	#include <botan/internal/siv.h>
39	#endif
40
41	namespace Botan {
42
43	std::unique_ptr<AEAD_Mode> AEAD_Mode::create_or_throw(std::string_view algo,	6,178✔
44	Cipher_Dir dir,
45	std::string_view provider) {
46	if(auto aead = AEAD_Mode::create(algo, dir, provider))	6,178✔
47	return aead;	6,178✔
48
49	throw Lookup_Error("AEAD", algo, provider);	×
50	}
51
52	std::unique_ptr<AEAD_Mode> AEAD_Mode::create(std::string_view algo, Cipher_Dir dir, std::string_view provider) {	50,285✔
53	BOTAN_UNUSED(provider);	50,285✔
54	#if defined(BOTAN_HAS_AEAD_CHACHA20_POLY1305)
55	if(algo == "ChaCha20Poly1305") {	50,673✔
56	if(dir == Cipher_Dir::Encryption)	13,099✔
57	return std::make_unique<ChaCha20Poly1305_Encryption>();	6,552✔
58	else
59	return std::make_unique<ChaCha20Poly1305_Decryption>();	6,547✔
60	}
61	#endif
62
63	if(algo.find('/') != std::string::npos) {	37,186✔
64	const std::vector<std::string> algo_parts = split_on(algo, '/');	14,501✔
65	std::string_view cipher_name = algo_parts[0];	14,501✔
66	const std::vector<std::string> mode_info = parse_algorithm_name(algo_parts[1]);	14,501✔
67
68	if(mode_info.empty())	14,501✔
69	return std::unique_ptr<AEAD_Mode>();	×
70
71	std::ostringstream mode_name;	14,501✔
72
73	mode_name << mode_info[0] << '(' << cipher_name;	14,501✔
74	for(size_t i = 1; i < mode_info.size(); ++i)	15,513✔
75	mode_name << ',' << mode_info[i];	1,012✔
76	for(size_t i = 2; i < algo_parts.size(); ++i)	16,494✔
77	mode_name << ',' << algo_parts[i];	1,993✔
78	mode_name << ')';	14,501✔
79
80	return AEAD_Mode::create(mode_name.str(), dir);	14,501✔
81	}	14,501✔
82
83	#if defined(BOTAN_HAS_BLOCK_CIPHER)
84
85	SCAN_Name req(algo);	22,685✔
86
87	if(req.arg_count() == 0) {	22,685✔
88	return std::unique_ptr<AEAD_Mode>();	42✔
89	}
90
91	auto bc = BlockCipher::create(req.arg(0), provider);	22,643✔
92
93	if(!bc) {	22,643✔
94	return std::unique_ptr<AEAD_Mode>();	3✔
95	}
96
97	#if defined(BOTAN_HAS_AEAD_CCM)
98	if(req.algo_name() == "CCM") {	45,280✔
99	size_t tag_len = req.arg_as_integer(1, 16);	236✔
100	size_t L_len = req.arg_as_integer(2, 3);	236✔
101	if(dir == Cipher_Dir::Encryption)	236✔
102	return std::make_unique<CCM_Encryption>(std::move(bc), tag_len, L_len);	118✔
103	else
104	return std::make_unique<CCM_Decryption>(std::move(bc), tag_len, L_len);	118✔
105	}
106	#endif
107
108	#if defined(BOTAN_HAS_AEAD_GCM)
109	if(req.algo_name() == "GCM") {	44,808✔
110	size_t tag_len = req.arg_as_integer(1, 16);	3,345✔
111	if(dir == Cipher_Dir::Encryption)	3,345✔
112	return std::make_unique<GCM_Encryption>(std::move(bc), tag_len);	2,001✔
113	else
114	return std::make_unique<GCM_Decryption>(std::move(bc), tag_len);	1,344✔
115	}
116	#endif
117
118	#if defined(BOTAN_HAS_AEAD_OCB)
119	if(req.algo_name() == "OCB") {	38,118✔
120	size_t tag_len = req.arg_as_integer(1, 16);	292✔
121	if(dir == Cipher_Dir::Encryption)	292✔
122	return std::make_unique<OCB_Encryption>(std::move(bc), tag_len);	146✔
123	else
124	return std::make_unique<OCB_Decryption>(std::move(bc), tag_len);	146✔
125	}
126	#endif
127
128	#if defined(BOTAN_HAS_AEAD_EAX)
129	if(req.algo_name() == "EAX") {	37,534✔
130	size_t tag_len = req.arg_as_integer(1, bc->block_size());	1,149✔
131	if(dir == Cipher_Dir::Encryption)	1,149✔
132	return std::make_unique<EAX_Encryption>(std::move(bc), tag_len);	574✔
133	else
134	return std::make_unique<EAX_Decryption>(std::move(bc), tag_len);	575✔
135	}
136	#endif
137
138	#if defined(BOTAN_HAS_AEAD_SIV)
139	if(req.algo_name() == "SIV") {	35,236✔
140	if(dir == Cipher_Dir::Encryption)	1,297✔
141	return std::make_unique<SIV_Encryption>(std::move(bc));	651✔
142	else
143	return std::make_unique<SIV_Decryption>(std::move(bc));	646✔
144	}
145	#endif
146
147	#endif
148
149	return std::unique_ptr<AEAD_Mode>();	22,643✔
150	}	22,685✔
151
152	}

randombit / botan / 5079590438

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