This file is indexed.

/usr/include/botan-2/botan/cecpq1.h is in libbotan-2-dev 2.4.0-5ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/*
* CECPQ1 (x25519 + NewHope)
* (C) 2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#ifndef BOTAN_CECPQ1_H_
#define BOTAN_CECPQ1_H_

#include <botan/secmem.h>
#include <botan/newhope.h>

namespace Botan {

class CECPQ1_key final
   {
   public:
      secure_vector<uint8_t> m_x25519;
      newhope_poly m_newhope;
   };

void BOTAN_PUBLIC_API(2,0) CECPQ1_offer(uint8_t* offer_message,
                            CECPQ1_key* offer_key_output,
                            RandomNumberGenerator& rng);

void BOTAN_PUBLIC_API(2,0) CECPQ1_accept(uint8_t* shared_key,
                             uint8_t* accept_message,
                             const uint8_t* offer_message,
                             RandomNumberGenerator& rng);

void BOTAN_PUBLIC_API(2,0) CECPQ1_finish(uint8_t* shared_key,
                             const CECPQ1_key& offer_key,
                             const uint8_t* accept_message);

}

#endif