29673219783

Committed 18 Jul 2026 10:42PM UTC coverage: 89.416% (+0.009%) from 89.407%

Build # 29673219783

Build Type

push

github

Committed by

randombit

Commit Message

Fix EC_Scalar_Data_BN::square_self

It computed the square then failed to update the stored value

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114352 of 127887 relevant lines covered (89.42%)

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95.38

/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, '/');
      if(algo_parts.size() < 2) {
         return std::unique_ptr<AEAD_Mode>();
      }
      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,	7,342✔
50	Cipher_Dir dir,
51	std::string_view provider) {
52	if(auto aead = AEAD_Mode::create(algo, dir, provider)) {	7,342✔
53	return aead;	7,342✔
54	}	7,342✔
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) {	52,469✔
60	BOTAN_UNUSED(provider);	52,469✔
61	#if defined(BOTAN_HAS_AEAD_CHACHA20_POLY1305)
62	if(algo == "ChaCha20Poly1305") {	52,469✔
63	if(dir == Cipher_Dir::Encryption) {	17,903✔
64	return std::make_unique<ChaCha20Poly1305_Encryption>();	8,954✔
65	} else {
66	return std::make_unique<ChaCha20Poly1305_Decryption>();	8,949✔
67	}
68	}
69	#endif
70
71	#if defined(BOTAN_HAS_ASCON_AEAD128)
72	if(algo == "Ascon-AEAD128") {	34,566✔
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) {	34,082✔
82	const std::vector<std::string> algo_parts = split_on(algo, '/');	13,883✔
83	if(algo_parts.size() < 2) {	13,883✔
84	return std::unique_ptr<AEAD_Mode>();	×
85	}
86	const std::string_view cipher_name = algo_parts[0];	13,883✔
87	const std::vector<std::string> mode_info = parse_algorithm_name(algo_parts[1]);	13,883✔
88
89	if(mode_info.empty()) {	13,883✔
90	return std::unique_ptr<AEAD_Mode>();	×
91	}
92
93	std::ostringstream mode_name;	13,883✔
94
95	mode_name << mode_info[0] << '(' << cipher_name;	13,883✔
96	for(size_t i = 1; i < mode_info.size(); ++i) {	14,940✔
97	mode_name << ',' << mode_info[i];	1,057✔
98	}
99	for(size_t i = 2; i < algo_parts.size(); ++i) {	15,337✔
100	mode_name << ',' << algo_parts[i];	1,454✔
101	}
102	mode_name << ')';	13,883✔
103
104	return AEAD_Mode::create(mode_name.str(), dir);	13,883✔
105	}	13,883✔
106
107	#if defined(BOTAN_HAS_BLOCK_CIPHER)
108
109	const SCAN_Name req(algo);	20,199✔
110
111	if(req.arg_count() == 0) {	20,199✔
112	return std::unique_ptr<AEAD_Mode>();	1✔
113	}
114
115	auto bc = BlockCipher::create(req.arg(0), provider);	20,198✔
116
117	if(!bc) {	20,198✔
118	return std::unique_ptr<AEAD_Mode>();	3✔
119	}
120
121	#if defined(BOTAN_HAS_AEAD_CCM)
122	if(req.algo_name() == "CCM") {	20,195✔
123	const size_t tag_len = req.arg_as_integer(1, 16);	246✔
124	const size_t L_len = req.arg_as_integer(2, 3);	246✔
125	if(dir == Cipher_Dir::Encryption) {	246✔
126	return std::make_unique<CCM_Encryption>(std::move(bc), tag_len, L_len);	124✔
127	} else {
128	return std::make_unique<CCM_Decryption>(std::move(bc), tag_len, L_len);	122✔
129	}
130	}
131	#endif
132
133	#if defined(BOTAN_HAS_AEAD_GCM)
134	if(req.algo_name() == "GCM") {	19,949✔
135	const size_t tag_len = req.arg_as_integer(1, 16);	4,430✔
136	if(dir == Cipher_Dir::Encryption) {	4,430✔
137	return std::make_unique<GCM_Encryption>(std::move(bc), tag_len);	2,740✔
138	} else {
139	return std::make_unique<GCM_Decryption>(std::move(bc), tag_len);	1,690✔
140	}
141	}
142	#endif
143
144	#if defined(BOTAN_HAS_AEAD_OCB)
145	if(req.algo_name() == "OCB") {	15,519✔
146	const size_t tag_len = req.arg_as_integer(1, 16);	318✔
147	if(dir == Cipher_Dir::Encryption) {	318✔
148	return std::make_unique<OCB_Encryption>(std::move(bc), tag_len);	182✔
149	} else {
150	return std::make_unique<OCB_Decryption>(std::move(bc), tag_len);	136✔
151	}
152	}
153	#endif
154
155	#if defined(BOTAN_HAS_AEAD_EAX)
156	if(req.algo_name() == "EAX") {	15,201✔
157	const size_t tag_len = req.arg_as_integer(1, bc->block_size());	1,214✔
158	if(dir == Cipher_Dir::Encryption) {	1,214✔
159	return std::make_unique<EAX_Encryption>(std::move(bc), tag_len);	702✔
160	} else {
161	return std::make_unique<EAX_Decryption>(std::move(bc), tag_len);	512✔
162	}
163	}
164	#endif
165
166	#if defined(BOTAN_HAS_AEAD_SIV)
167	if(req.algo_name() == "SIV") {	13,987✔
168	if(dir == Cipher_Dir::Encryption) {	1,626✔
169	return std::make_unique<SIV_Encryption>(std::move(bc));	978✔
170	} else {
171	return std::make_unique<SIV_Decryption>(std::move(bc));	648✔
172	}
173	}
174	#endif
175
176	#endif
177
178	return std::unique_ptr<AEAD_Mode>();	12,361✔
179	}	20,199✔
180
181	} // namespace Botan

randombit / botan / 29673219783

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