5111374265

Committed 29 May 2023 11:19AM UTC coverage: 92.227% (+0.5%) from 91.723%

Build # 5111374265

Build Type

push

github

Committed by

randombit

Commit Message

Next release will be 3.1.0. Update release notes

Run Details

75588 of 81959 relevant lines covered (92.23%)

11886470.91 hits per line

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96.55

/src/lib/tls/tls12/msg_hello_verify.cpp

/*
* DTLS Hello Verify Request
* (C) 2012 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/tls_messages.h>

#include <botan/mac.h>

namespace Botan::TLS {

Hello_Verify_Request::Hello_Verify_Request(const std::vector<uint8_t>& buf) {
   if(buf.size() < 3)
      throw Decoding_Error("Hello verify request too small");

   Protocol_Version version(buf[0], buf[1]);

   if(!version.is_datagram_protocol()) {
      throw Decoding_Error("Unknown version from server in hello verify request");
   }

   if(static_cast<size_t>(buf[2]) + 3 != buf.size())
      throw Decoding_Error("Bad length in hello verify request");

   m_cookie.assign(buf.begin() + 3, buf.end());
}

Hello_Verify_Request::Hello_Verify_Request(const std::vector<uint8_t>& client_hello_bits,
                                           std::string_view client_identity,
                                           const SymmetricKey& secret_key) {
   auto hmac = MessageAuthenticationCode::create_or_throw("HMAC(SHA-256)");
   hmac->set_key(secret_key);

   hmac->update_be(static_cast<uint64_t>(client_hello_bits.size()));
   hmac->update(client_hello_bits);
   hmac->update_be(static_cast<uint64_t>(client_identity.size()));
   hmac->update(client_identity);

   m_cookie.resize(hmac->output_length());
   hmac->final(m_cookie.data());
}

std::vector<uint8_t> Hello_Verify_Request::serialize() const {
   /* DTLS 1.2 server implementations SHOULD use DTLS version 1.0
      regardless of the version of TLS that is expected to be
      negotiated (RFC 6347, section 4.2.1)
   */

   Protocol_Version format_version(254, 255);  // DTLS 1.0

   std::vector<uint8_t> bits;
   bits.push_back(format_version.major_version());
   bits.push_back(format_version.minor_version());
   bits.push_back(static_cast<uint8_t>(m_cookie.size()));
   bits += m_cookie;
   return bits;
}

}  // namespace Botan::TLS

1	/*
2	* DTLS Hello Verify Request
3	* (C) 2012 Jack Lloyd
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/tls_messages.h>
9
10	#include <botan/mac.h>
11
12	namespace Botan::TLS {
13
14	Hello_Verify_Request::Hello_Verify_Request(const std::vector<uint8_t>& buf) {	428✔
15	if(buf.size() < 3)	428✔
16	throw Decoding_Error("Hello verify request too small");	1✔
17
18	Protocol_Version version(buf[0], buf[1]);	427✔
19
20	if(!version.is_datagram_protocol()) {	427✔
21	throw Decoding_Error("Unknown version from server in hello verify request");	1✔
22	}
23
24	if(static_cast<size_t>(buf[2]) + 3 != buf.size())	426✔
25	throw Decoding_Error("Bad length in hello verify request");	3✔
26
27	m_cookie.assign(buf.begin() + 3, buf.end());	423✔
28	}	428✔
29
30	Hello_Verify_Request::Hello_Verify_Request(const std::vector<uint8_t>& client_hello_bits,	736✔
31	std::string_view client_identity,
32	const SymmetricKey& secret_key) {	736✔
33	auto hmac = MessageAuthenticationCode::create_or_throw("HMAC(SHA-256)");	736✔
34	hmac->set_key(secret_key);	736✔
35
36	hmac->update_be(static_cast<uint64_t>(client_hello_bits.size()));	736✔
37	hmac->update(client_hello_bits);	736✔
38	hmac->update_be(static_cast<uint64_t>(client_identity.size()));	736✔
39	hmac->update(client_identity);	736✔
40
41	m_cookie.resize(hmac->output_length());	736✔
42	hmac->final(m_cookie.data());	736✔
43	}	736✔
44
45	std::vector<uint8_t> Hello_Verify_Request::serialize() const {	367✔
46	/* DTLS 1.2 server implementations SHOULD use DTLS version 1.0
47	regardless of the version of TLS that is expected to be
48	negotiated (RFC 6347, section 4.2.1)
49	*/
50
51	Protocol_Version format_version(254, 255); // DTLS 1.0	367✔
52
53	std::vector<uint8_t> bits;
54	bits.push_back(format_version.major_version());	367✔
55	bits.push_back(format_version.minor_version());	367✔
56	bits.push_back(static_cast<uint8_t>(m_cookie.size()));	367✔
57	bits += m_cookie;	367✔
58	return bits;	367✔
59	}	×
60
61	} // namespace Botan::TLS

randombit / botan / 5111374265

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