22061970273

Committed 16 Feb 2026 12:03PM UTC coverage: 90.044% (+0.007%) from 90.037%

Build # 22061970273

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Commit Message

Merge pull request #5345 from randombit/jack/min-test-rng-h

Minimize includes into test_rng.h

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95.58

/src/lib/asn1/asn1_obj.cpp

/*
* ASN.1 Internals
* (C) 1999-2007,2018 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/asn1_obj.h>

#include <botan/assert.h>
#include <botan/data_src.h>
#include <botan/der_enc.h>
#include <botan/mem_ops.h>
#include <botan/internal/fmt.h>
#include <botan/internal/mem_utils.h>
#include <sstream>

namespace Botan {

std::vector<uint8_t> ASN1_Object::BER_encode() const {
   std::vector<uint8_t> output;
   DER_Encoder der(output);
   this->encode_into(der);
   return output;
}

BER_Object::~BER_Object() {
   secure_scrub_memory(m_value);
}

/*
* Check a type invariant on BER data
*/
void BER_Object::assert_is_a(ASN1_Type expected_type_tag, ASN1_Class expected_class_tag, std::string_view descr) const {
   if(!this->is_a(expected_type_tag, expected_class_tag)) {
      std::stringstream msg;

      msg << "Tag mismatch when decoding " << descr << " got ";

      if(m_class_tag == ASN1_Class::NoObject && m_type_tag == ASN1_Type::NoObject) {
         msg << "EOF";
      } else {
         if(m_class_tag == ASN1_Class::Universal || m_class_tag == ASN1_Class::Constructed) {
            msg << asn1_tag_to_string(m_type_tag);
         } else {
            msg << std::to_string(static_cast<uint32_t>(m_type_tag));
         }

         msg << "/" << asn1_class_to_string(m_class_tag);
      }

      msg << " expected ";

      if(expected_class_tag == ASN1_Class::Universal || expected_class_tag == ASN1_Class::Constructed) {
         msg << asn1_tag_to_string(expected_type_tag);
      } else {
         msg << std::to_string(static_cast<uint32_t>(expected_type_tag));
      }

      msg << "/" << asn1_class_to_string(expected_class_tag);

      throw BER_Decoding_Error(msg.str());
   }
}

bool BER_Object::is_a(ASN1_Type expected_type_tag, ASN1_Class expected_class_tag) const {
   return (m_type_tag == expected_type_tag && m_class_tag == expected_class_tag);
}

bool BER_Object::is_a(int expected_type_tag, ASN1_Class expected_class_tag) const {
   return is_a(ASN1_Type(expected_type_tag), expected_class_tag);
}

void BER_Object::set_tagging(ASN1_Type type_tag, ASN1_Class class_tag) {
   m_type_tag = type_tag;
   m_class_tag = class_tag;
}

std::string asn1_class_to_string(ASN1_Class type) {
   switch(type) {
      case ASN1_Class::Universal:
         return "UNIVERSAL";
      case ASN1_Class::Constructed:
         return "CONSTRUCTED";
      case ASN1_Class::ContextSpecific:
         return "CONTEXT_SPECIFIC";
      case ASN1_Class::Application:
         return "APPLICATION";
      case ASN1_Class::Private:
         return "PRIVATE";
      case ASN1_Class::NoObject:
         return "NO_OBJECT";
      default:
         return "CLASS(" + std::to_string(static_cast<size_t>(type)) + ")";
   }
}

std::string asn1_tag_to_string(ASN1_Type type) {
   switch(type) {
      case ASN1_Type::Sequence:
         return "SEQUENCE";

      case ASN1_Type::Set:
         return "SET";

      case ASN1_Type::PrintableString:
         return "PRINTABLE STRING";

      case ASN1_Type::NumericString:
         return "NUMERIC STRING";

      case ASN1_Type::Ia5String:
         return "IA5 STRING";

      case ASN1_Type::TeletexString:
         return "T61 STRING";

      case ASN1_Type::Utf8String:
         return "UTF8 STRING";

      case ASN1_Type::VisibleString:
         return "VISIBLE STRING";

      case ASN1_Type::BmpString:
         return "BMP STRING";

      case ASN1_Type::UniversalString:
         return "UNIVERSAL STRING";

      case ASN1_Type::UtcTime:
         return "UTC TIME";

      case ASN1_Type::GeneralizedTime:
         return "GENERALIZED TIME";

      case ASN1_Type::OctetString:
         return "OCTET STRING";

      case ASN1_Type::BitString:
         return "BIT STRING";

      case ASN1_Type::Enumerated:
         return "ENUMERATED";

      case ASN1_Type::Integer:
         return "INTEGER";

      case ASN1_Type::Null:
         return "NULL";

      case ASN1_Type::ObjectId:
         return "OBJECT";

      case ASN1_Type::Boolean:
         return "BOOLEAN";

      case ASN1_Type::NoObject:
         return "NO_OBJECT";

      default:
         return "TAG(" + std::to_string(static_cast<uint32_t>(type)) + ")";
   }
}

/*
* BER Decoding Exceptions
*/
BER_Decoding_Error::BER_Decoding_Error(std::string_view err) : Decoding_Error(fmt("BER: {}", err)) {}

BER_Bad_Tag::BER_Bad_Tag(std::string_view str, uint32_t tagging) : BER_Decoding_Error(fmt("{}: {}", str, tagging)) {}

namespace ASN1 {

/*
* Put some arbitrary bytes into a SEQUENCE
*/
std::vector<uint8_t> put_in_sequence(const std::vector<uint8_t>& contents) {
   return ASN1::put_in_sequence(contents.data(), contents.size());
}

std::vector<uint8_t> put_in_sequence(const uint8_t bits[], size_t len) {
   std::vector<uint8_t> output;
   DER_Encoder(output).start_sequence().raw_bytes(bits, len).end_cons();
   return output;
}

/*
* Convert a BER object into a string object
*/
std::string to_string(const BER_Object& obj) {
   return bytes_to_string(obj.data());
}

/*
* Do heuristic tests for BER data
*/
bool maybe_BER(DataSource& source) {
   uint8_t first_u8 = 0;
   if(source.peek_byte(first_u8) == 0) {
      BOTAN_ASSERT_EQUAL(source.read_byte(first_u8), 0, "Expected EOF");
      throw Stream_IO_Error("ASN1::maybe_BER: Source was empty");
   }

   const auto cons_seq = static_cast<uint8_t>(ASN1_Class::Constructed) | static_cast<uint8_t>(ASN1_Type::Sequence);
   return first_u8 == cons_seq;
}

}  // namespace ASN1

}  // namespace Botan

1	/*
2	* ASN.1 Internals
3	* (C) 1999-2007,2018 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/asn1_obj.h>
9
10	#include <botan/assert.h>
11	#include <botan/data_src.h>
12	#include <botan/der_enc.h>
13	#include <botan/mem_ops.h>
14	#include <botan/internal/fmt.h>
15	#include <botan/internal/mem_utils.h>
16	#include <sstream>
17
18	namespace Botan {
19
20	std::vector<uint8_t> ASN1_Object::BER_encode() const {	27,019✔
21	std::vector<uint8_t> output;	27,019✔
22	DER_Encoder der(output);	27,019✔
23	this->encode_into(der);	27,019✔
24	return output;	27,019✔
25	}	27,019✔
26
27	BER_Object::~BER_Object() {	4,799,092✔
28	secure_scrub_memory(m_value);	4,799,092✔
29	}	4,799,092✔
30
31	/*
32	* Check a type invariant on BER data
33	*/
34	void BER_Object::assert_is_a(ASN1_Type expected_type_tag, ASN1_Class expected_class_tag, std::string_view descr) const {	1,331,409✔
35	if(!this->is_a(expected_type_tag, expected_class_tag)) {	1,331,409✔
36	std::stringstream msg;	3,583✔
37
38	msg << "Tag mismatch when decoding " << descr << " got ";	3,583✔
39
40	if(m_class_tag == ASN1_Class::NoObject && m_type_tag == ASN1_Type::NoObject) {	3,583✔
41	msg << "EOF";	1,090✔
42	} else {
43	if(m_class_tag == ASN1_Class::Universal \|\| m_class_tag == ASN1_Class::Constructed) {	2,493✔
44	msg << asn1_tag_to_string(m_type_tag);	3,812✔
45	} else {
46	msg << std::to_string(static_cast<uint32_t>(m_type_tag));	587✔
47	}
48
49	msg << "/" << asn1_class_to_string(m_class_tag);	4,986✔
50	}
51
52	msg << " expected ";	3,583✔
53
54	if(expected_class_tag == ASN1_Class::Universal \|\| expected_class_tag == ASN1_Class::Constructed) {	3,583✔
55	msg << asn1_tag_to_string(expected_type_tag);	7,072✔
56	} else {
57	msg << std::to_string(static_cast<uint32_t>(expected_type_tag));	47✔
58	}
59
60	msg << "/" << asn1_class_to_string(expected_class_tag);	7,166✔
61
62	throw BER_Decoding_Error(msg.str());	7,166✔
63	}	3,583✔
64	}	1,327,826✔
65
66	bool BER_Object::is_a(ASN1_Type expected_type_tag, ASN1_Class expected_class_tag) const {	1,679,247✔
67	return (m_type_tag == expected_type_tag && m_class_tag == expected_class_tag);	1,679,247✔
68	}
69
70	bool BER_Object::is_a(int expected_type_tag, ASN1_Class expected_class_tag) const {	123,033✔
71	return is_a(ASN1_Type(expected_type_tag), expected_class_tag);	123,033✔
72	}
73
74	void BER_Object::set_tagging(ASN1_Type type_tag, ASN1_Class class_tag) {	7,227,132✔
75	m_type_tag = type_tag;	7,227,132✔
76	m_class_tag = class_tag;	7,227,132✔
77	}	7,227,132✔
78
79	std::string asn1_class_to_string(ASN1_Class type) {	6,076✔
80	switch(type) {	6,076✔
81	case ASN1_Class::Universal:	2,605✔
82	return "UNIVERSAL";	2,605✔
83	case ASN1_Class::Constructed:	2,837✔
84	return "CONSTRUCTED";	2,837✔
85	case ASN1_Class::ContextSpecific:	128✔
86	return "CONTEXT_SPECIFIC";	128✔
87	case ASN1_Class::Application:	72✔
88	return "APPLICATION";	72✔
89	case ASN1_Class::Private:	43✔
90	return "PRIVATE";	43✔
91	case ASN1_Class::NoObject:	×
92	return "NO_OBJECT";	×
93	default:	391✔
94	return "CLASS(" + std::to_string(static_cast<size_t>(type)) + ")";	1,173✔
95	}
96	}
97
98	std::string asn1_tag_to_string(ASN1_Type type) {	6,270✔
99	switch(type) {	6,270✔
100	case ASN1_Type::Sequence:	2,337✔
101	return "SEQUENCE";	2,337✔
102
103	case ASN1_Type::Set:	457✔
104	return "SET";	457✔
105
106	case ASN1_Type::PrintableString:	62✔
107	return "PRINTABLE STRING";	62✔
108
109	case ASN1_Type::NumericString:	21✔
110	return "NUMERIC STRING";	21✔
111
112	case ASN1_Type::Ia5String:	17✔
113	return "IA5 STRING";	17✔
114
115	case ASN1_Type::TeletexString:	9✔
116	return "T61 STRING";	9✔
117
118	case ASN1_Type::Utf8String:	67✔
119	return "UTF8 STRING";	67✔
120
121	case ASN1_Type::VisibleString:	9✔
122	return "VISIBLE STRING";	9✔
123
124	case ASN1_Type::BmpString:	2✔
125	return "BMP STRING";	2✔
126
127	case ASN1_Type::UniversalString:	×
128	return "UNIVERSAL STRING";	×
129
130	case ASN1_Type::UtcTime:	143✔
131	return "UTC TIME";	143✔
132
133	case ASN1_Type::GeneralizedTime:	24✔
134	return "GENERALIZED TIME";	24✔
135
136	case ASN1_Type::OctetString:	338✔
137	return "OCTET STRING";	338✔
138
139	case ASN1_Type::BitString:	199✔
140	return "BIT STRING";	199✔
141
142	case ASN1_Type::Enumerated:	51✔
143	return "ENUMERATED";	51✔
144
145	case ASN1_Type::Integer:	1,649✔
146	return "INTEGER";	1,649✔
147
148	case ASN1_Type::Null:	130✔
149	return "NULL";	130✔
150
151	case ASN1_Type::ObjectId:	187✔
152	return "OBJECT";	187✔
153
154	case ASN1_Type::Boolean:	92✔
155	return "BOOLEAN";	92✔
156
157	case ASN1_Type::NoObject:	1✔
158	return "NO_OBJECT";	1✔
159
160	default:	475✔
161	return "TAG(" + std::to_string(static_cast<uint32_t>(type)) + ")";	1,425✔
162	}
163	}
164
165	/*
166	* BER Decoding Exceptions
167	*/
168	BER_Decoding_Error::BER_Decoding_Error(std::string_view err) : Decoding_Error(fmt("BER: {}", err)) {}	23,660✔
169
170	BER_Bad_Tag::BER_Bad_Tag(std::string_view str, uint32_t tagging) : BER_Decoding_Error(fmt("{}: {}", str, tagging)) {}	4,000✔
171
172	namespace ASN1 {
173
174	/*
175	* Put some arbitrary bytes into a SEQUENCE
176	*/
177	std::vector<uint8_t> put_in_sequence(const std::vector<uint8_t>& contents) {	86,613✔
178	return ASN1::put_in_sequence(contents.data(), contents.size());	86,613✔
179	}
180
181	std::vector<uint8_t> put_in_sequence(const uint8_t bits[], size_t len) {	88,188✔
182	std::vector<uint8_t> output;	88,188✔
183	DER_Encoder(output).start_sequence().raw_bytes(bits, len).end_cons();	176,376✔
184	return output;	88,188✔
185	}	×
186
187	/*
188	* Convert a BER object into a string object
189	*/
190	std::string to_string(const BER_Object& obj) {	247,726✔
191	return bytes_to_string(obj.data());	247,726✔
192	}
193
194	/*
195	* Do heuristic tests for BER data
196	*/
197	bool maybe_BER(DataSource& source) {	63,263✔
198	uint8_t first_u8 = 0;	63,263✔
199	if(source.peek_byte(first_u8) == 0) {	63,263✔
200	BOTAN_ASSERT_EQUAL(source.read_byte(first_u8), 0, "Expected EOF");	205✔
201	throw Stream_IO_Error("ASN1::maybe_BER: Source was empty");	205✔
202	}
203
204	const auto cons_seq = static_cast<uint8_t>(ASN1_Class::Constructed) \| static_cast<uint8_t>(ASN1_Type::Sequence);	63,058✔
205	return first_u8 == cons_seq;	63,058✔
206	}
207
208	} // namespace ASN1
209
210	} // namespace Botan

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