Mercurial > hg > quicktun

annotate src/keypair.c @ 30:6f0e6b7dc088

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed build script to support multiple abis on one machine, bugfix in code, minor improvements
author Ivo Smits <Ivo@UCIS.nl>
date Thu, 04 Aug 2011 18:17:06 +0200
parents dfac56805c77
children fa53d1c54886
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
1 /* Copyright 2010 Ivo Smits <Ivo@UCIS.nl>. All rights reserved.
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
2 Redistribution and use in source and binary forms, with or without modification, are
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
3 permitted provided that the following conditions are met:
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
4
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
5 1. Redistributions of source code must retain the above copyright notice, this list of
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
6 conditions and the following disclaimer.
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
7
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
8 2. Redistributions in binary form must reproduce the above copyright notice, this list
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
9 of conditions and the following disclaimer in the documentation and/or other materials
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
10 provided with the distribution.
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
11
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
12 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
13 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
15 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
16 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
17 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
18 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
19 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
20 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
21
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
22 The views and conclusions contained in the software and documentation are those of the
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
23 authors and should not be interpreted as representing official policies, either expressed
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
24 or implied, of Ivo Smits.*/
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
25
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
26 #include "common.c"
24
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
27 #include "crypto_box_curve25519xsalsa20poly1305.h"
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
28 #include "crypto_scalarmult_curve25519.h"
0
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
29 #include <time.h>
8
6d86596d8884 Fixed BSD support, improved randombytes/secret key generation
ivo <Ivo@UCIS.nl>
parents: 5
diff changeset
30 #include <fcntl.h>
0
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
31
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
32 int main() {
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
33 print_header();
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
34
24
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
35 unsigned char cpublickey[crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES];
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
36 unsigned char csecretkey[crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES];
0
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
37 int i;
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
38
8
6d86596d8884 Fixed BSD support, improved randombytes/secret key generation
ivo <Ivo@UCIS.nl>
parents: 5
diff changeset
39 fprintf(stderr, "Please feed 32 bytes of random data to stdin.\n");
24
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
40 fprintf(stderr, "Example (slow but secure): quicktun.keypair < /dev/random\n");
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
41 fprintf(stderr, "Example (fast but insecure): quicktun.keypair < /dev/urandom\n");
8
6d86596d8884 Fixed BSD support, improved randombytes/secret key generation
ivo <Ivo@UCIS.nl>
parents: 5
diff changeset
42
24
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
43 int len = fread(csecretkey, 1, crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES, stdin);
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
44 if (len < crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES) return errorexitp("Error or end of file on STDIN");
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
45 /* char* b;
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
46 srand(time(NULL));
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
47 for (b = csecretkey; b < csecretkey + crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES; b++) *b = rand() % 255;*/
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
48
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
49 crypto_scalarmult_curve25519_base(cpublickey, csecretkey);
0
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
50
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
51 printf("SECRET: ");
24
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
52 for (i = 0; i < crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES; i++) printf("%02x", csecretkey[i]);
0
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
53 printf("\n");
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
54
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
55 printf("PUBLIC: ");
24
dfac56805c77 Fixed support for shared NaCl library, explicitly refer to cryptographic primitives
Ivo Smits <Ivo@UCIS.nl>
parents: 8
diff changeset
56 for (i = 0; i < crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES; i++) printf("%02x", cpublickey[i]);
0
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
57 printf("\n");
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
58
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
59 return 0;
65c01f57bdce Initial commit
ivo <ivo@UFO-Net.nl>
parents:
diff changeset
60 }