diff options
Diffstat (limited to 'nacl/curvecp/curvecpprintkey.c')
-rw-r--r-- | nacl/curvecp/curvecpprintkey.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/nacl/curvecp/curvecpprintkey.c b/nacl/curvecp/curvecpprintkey.c new file mode 100644 index 00000000..8fd26bcf --- /dev/null +++ b/nacl/curvecp/curvecpprintkey.c | |||
@@ -0,0 +1,46 @@ | |||
1 | #include <unistd.h> | ||
2 | #include "die.h" | ||
3 | #include "e.h" | ||
4 | #include "load.h" | ||
5 | #include "writeall.h" | ||
6 | #include "crypto_box.h" | ||
7 | |||
8 | unsigned char pk[crypto_box_PUBLICKEYBYTES]; | ||
9 | unsigned char out[crypto_box_PUBLICKEYBYTES * 2 + 1]; | ||
10 | |||
11 | void die_usage(void) | ||
12 | { | ||
13 | die_1(111,"curvecpprintkey: usage: curvecpprintkey keydir\n"); | ||
14 | } | ||
15 | |||
16 | void die_fatal(const char *trouble,const char *d,const char *fn) | ||
17 | { | ||
18 | if (d) { | ||
19 | if (fn) die_9(111,"curvecpmakekey: fatal: ",trouble," ",d,"/",fn,": ",e_str(errno),"\n"); | ||
20 | die_7(111,"curvecpmakekey: fatal: ",trouble," ",d,": ",e_str(errno),"\n"); | ||
21 | } | ||
22 | die_5(111,"curvecpmakekey: fatal: ",trouble,": ",e_str(errno),"\n"); | ||
23 | } | ||
24 | |||
25 | int main(int argc,char **argv) | ||
26 | { | ||
27 | char *d; | ||
28 | long long j; | ||
29 | |||
30 | if (!argv[0]) die_usage(); | ||
31 | if (!argv[1]) die_usage(); | ||
32 | d = argv[1]; | ||
33 | |||
34 | if (chdir(d) == -1) die_fatal("unable to chdir to directory",d,0); | ||
35 | if (load("publickey",pk,sizeof pk) == -1) die_fatal("unable to read",d,"publickey"); | ||
36 | |||
37 | for (j = 0;j < crypto_box_PUBLICKEYBYTES;++j) { | ||
38 | out[2 * j + 0] = "0123456789abcdef"[15 & (int) (pk[j] >> 4)]; | ||
39 | out[2 * j + 1] = "0123456789abcdef"[15 & (int) (pk[j] >> 0)]; | ||
40 | } | ||
41 | out[2 * j] = '\n'; | ||
42 | |||
43 | if (writeall(1,out,sizeof out) == -1) die_fatal("unable to write output",0,0); | ||
44 | |||
45 | return 0; | ||
46 | } | ||