21753596263

Committed 06 Feb 2026 02:13PM UTC coverage: 90.063% (-0.01%) from 90.073%

Build # 21753596263

Build Type

Pull #5289

github

Committed by

web-flow

Commit Message

Merge 587099284 into 8ea0ca252

Pull Request Pull Request #5289: Further misc header reductions, forward declarations, etc

Run Details

102237 of 113517 relevant lines covered (90.06%)

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96.83

/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/assert.h>
#include <botan/exceptn.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

#if defined(BOTAN_HAS_ASCON_AEAD128)
   #include <botan/internal/ascon_aead128.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 defined(BOTAN_HAS_ASCON_AEAD128)
   if(algo == "Ascon-AEAD128") {
      if(dir == Cipher_Dir::Encryption) {
         return std::make_unique<Ascon_AEAD128_Encryption>();
      } else {
         return std::make_unique<Ascon_AEAD128_Decryption>();
      }
   }
#endif

   if(algo.find('/') != std::string::npos) {
      const std::vector<std::string> algo_parts = split_on(algo, '/');
      const 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)

   const 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") {
      const size_t tag_len = req.arg_as_integer(1, 16);
      const 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") {
      const 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") {
      const 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") {
      const 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>();
}

}  // namespace Botan

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/assert.h>
10	#include <botan/exceptn.h>
11	#include <botan/internal/parsing.h>
12	#include <botan/internal/scan_name.h>
13	#include <sstream>
14
15	#if defined(BOTAN_HAS_BLOCK_CIPHER)
16	#include <botan/block_cipher.h>
17	#endif
18
19	#if defined(BOTAN_HAS_AEAD_CCM)
20	#include <botan/internal/ccm.h>
21	#endif
22
23	#if defined(BOTAN_HAS_AEAD_CHACHA20_POLY1305)
24	#include <botan/internal/chacha20poly1305.h>
25	#endif
26
27	#if defined(BOTAN_HAS_AEAD_EAX)
28	#include <botan/internal/eax.h>
29	#endif
30
31	#if defined(BOTAN_HAS_AEAD_GCM)
32	#include <botan/internal/gcm.h>
33	#endif
34
35	#if defined(BOTAN_HAS_AEAD_OCB)
36	#include <botan/internal/ocb.h>
37	#endif
38
39	#if defined(BOTAN_HAS_AEAD_SIV)
40	#include <botan/internal/siv.h>
41	#endif
42
43	#if defined(BOTAN_HAS_ASCON_AEAD128)
44	#include <botan/internal/ascon_aead128.h>
45	#endif
46
47	namespace Botan {
48
49	std::unique_ptr<AEAD_Mode> AEAD_Mode::create_or_throw(std::string_view algo,	6,325✔
50	Cipher_Dir dir,
51	std::string_view provider) {
52	if(auto aead = AEAD_Mode::create(algo, dir, provider)) {	6,325✔
53	return aead;	6,325✔
54	}	6,325✔
55
56	throw Lookup_Error("AEAD", algo, provider);	×
57	}
58
59	std::unique_ptr<AEAD_Mode> AEAD_Mode::create(std::string_view algo, Cipher_Dir dir, std::string_view provider) {	48,634✔
60	BOTAN_UNUSED(provider);	48,634✔
61	#if defined(BOTAN_HAS_AEAD_CHACHA20_POLY1305)
62	if(algo == "ChaCha20Poly1305") {	48,634✔
63	if(dir == Cipher_Dir::Encryption) {	17,224✔
64	return std::make_unique<ChaCha20Poly1305_Encryption>();	8,614✔
65	} else {
66	return std::make_unique<ChaCha20Poly1305_Decryption>();	8,610✔
67	}
68	}
69	#endif
70
71	#if defined(BOTAN_HAS_ASCON_AEAD128)
72	if(algo == "Ascon-AEAD128") {	31,410✔
73	if(dir == Cipher_Dir::Encryption) {	484✔
74	return std::make_unique<Ascon_AEAD128_Encryption>();	242✔
75	} else {
76	return std::make_unique<Ascon_AEAD128_Decryption>();	242✔
77	}
78	}
79	#endif
80
81	if(algo.find('/') != std::string::npos) {	30,926✔
82	const std::vector<std::string> algo_parts = split_on(algo, '/');	12,407✔
83	const std::string_view cipher_name = algo_parts[0];	12,407✔
84	const std::vector<std::string> mode_info = parse_algorithm_name(algo_parts[1]);	12,407✔
85
86	if(mode_info.empty()) {	12,407✔
87	return std::unique_ptr<AEAD_Mode>();	×
88	}
89
90	std::ostringstream mode_name;	12,407✔
91
92	mode_name << mode_info[0] << '(' << cipher_name;	12,407✔
93	for(size_t i = 1; i < mode_info.size(); ++i) {	13,385✔
94	mode_name << ',' << mode_info[i];	978✔
95	}
96	for(size_t i = 2; i < algo_parts.size(); ++i) {	13,775✔
97	mode_name << ',' << algo_parts[i];	1,368✔
98	}
99	mode_name << ')';	12,407✔
100
101	return AEAD_Mode::create(mode_name.str(), dir);	12,407✔
102	}	12,407✔
103
104	#if defined(BOTAN_HAS_BLOCK_CIPHER)
105
106	const SCAN_Name req(algo);	18,519✔
107
108	if(req.arg_count() == 0) {	18,519✔
109	return std::unique_ptr<AEAD_Mode>();	1✔
110	}
111
112	auto bc = BlockCipher::create(req.arg(0), provider);	18,518✔
113
114	if(!bc) {	18,518✔
115	return std::unique_ptr<AEAD_Mode>();	3✔
116	}
117
118	#if defined(BOTAN_HAS_AEAD_CCM)
119	if(req.algo_name() == "CCM") {	18,515✔
120	const size_t tag_len = req.arg_as_integer(1, 16);	244✔
121	const size_t L_len = req.arg_as_integer(2, 3);	244✔
122	if(dir == Cipher_Dir::Encryption) {	244✔
123	return std::make_unique<CCM_Encryption>(std::move(bc), tag_len, L_len);	122✔
124	} else {
125	return std::make_unique<CCM_Decryption>(std::move(bc), tag_len, L_len);	122✔
126	}
127	}
128	#endif
129
130	#if defined(BOTAN_HAS_AEAD_GCM)
131	if(req.algo_name() == "GCM") {	18,271✔
132	const size_t tag_len = req.arg_as_integer(1, 16);	3,724✔
133	if(dir == Cipher_Dir::Encryption) {	3,724✔
134	return std::make_unique<GCM_Encryption>(std::move(bc), tag_len);	2,213✔
135	} else {
136	return std::make_unique<GCM_Decryption>(std::move(bc), tag_len);	1,511✔
137	}
138	}
139	#endif
140
141	#if defined(BOTAN_HAS_AEAD_OCB)
142	if(req.algo_name() == "OCB") {	14,547✔
143	const size_t tag_len = req.arg_as_integer(1, 16);	272✔
144	if(dir == Cipher_Dir::Encryption) {	272✔
145	return std::make_unique<OCB_Encryption>(std::move(bc), tag_len);	136✔
146	} else {
147	return std::make_unique<OCB_Decryption>(std::move(bc), tag_len);	136✔
148	}
149	}
150	#endif
151
152	#if defined(BOTAN_HAS_AEAD_EAX)
153	if(req.algo_name() == "EAX") {	14,275✔
154	const size_t tag_len = req.arg_as_integer(1, bc->block_size());	1,023✔
155	if(dir == Cipher_Dir::Encryption) {	1,023✔
156	return std::make_unique<EAX_Encryption>(std::move(bc), tag_len);	511✔
157	} else {
158	return std::make_unique<EAX_Decryption>(std::move(bc), tag_len);	512✔
159	}
160	}
161	#endif
162
163	#if defined(BOTAN_HAS_AEAD_SIV)
164	if(req.algo_name() == "SIV") {	13,252✔
165	if(dir == Cipher_Dir::Encryption) {	1,299✔
166	return std::make_unique<SIV_Encryption>(std::move(bc));	652✔
167	} else {
168	return std::make_unique<SIV_Decryption>(std::move(bc));	647✔
169	}
170	}
171	#endif
172
173	#endif
174
175	return std::unique_ptr<AEAD_Mode>();	11,953✔
176	}	18,519✔
177
178	} // namespace Botan

randombit / botan / 21753596263

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