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https://github.com/servalproject/serval-dna.git
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47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
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#include <unistd.h>
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#include "die.h"
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#include "e.h"
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#include "load.h"
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#include "writeall.h"
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#include "crypto_box.h"
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unsigned char pk[crypto_box_PUBLICKEYBYTES];
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unsigned char out[crypto_box_PUBLICKEYBYTES * 2 + 1];
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void die_usage(void)
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{
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die_1(111,"curvecpprintkey: usage: curvecpprintkey keydir\n");
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}
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void die_fatal(const char *trouble,const char *d,const char *fn)
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{
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if (d) {
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if (fn) die_9(111,"curvecpmakekey: fatal: ",trouble," ",d,"/",fn,": ",e_str(errno),"\n");
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die_7(111,"curvecpmakekey: fatal: ",trouble," ",d,": ",e_str(errno),"\n");
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}
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die_5(111,"curvecpmakekey: fatal: ",trouble,": ",e_str(errno),"\n");
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}
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int main(int argc,char **argv)
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{
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char *d;
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long long j;
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if (!argv[0]) die_usage();
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if (!argv[1]) die_usage();
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d = argv[1];
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if (chdir(d) == -1) die_fatal("unable to chdir to directory",d,0);
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if (load("publickey",pk,sizeof pk) == -1) die_fatal("unable to read",d,"publickey");
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for (j = 0;j < crypto_box_PUBLICKEYBYTES;++j) {
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out[2 * j + 0] = "0123456789abcdef"[15 & (int) (pk[j] >> 4)];
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out[2 * j + 1] = "0123456789abcdef"[15 & (int) (pk[j] >> 0)];
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}
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out[2 * j] = '\n';
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if (writeall(1,out,sizeof out) == -1) die_fatal("unable to write output",0,0);
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return 0;
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}
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