rsRetVal
rsgcrySetAlgo(gcryctx ctx, uchar *algoname)
{
int algo;
DEFiRet;
algo = rsgcryAlgoname2Algo((char *)algoname);
if(algo == GCRY_CIPHER_NONE) {
ABORT_FINALIZE(RS_RET_CRY_INVLD_ALGO);
}
ctx->algo = algo;
finalize_it:
RETiRet;
}
int
main(int argc, char *argv[])
{
int i;
int opt;
int temp;
char *newKeyFile = NULL;
while(1) {
opt = getopt_long(argc, argv, "a:dfk:K:m:p:r:vVW:", long_options, NULL);
if(opt == -1)
break;
switch(opt) {
case 'd':
mode = MD_DECRYPT;
break;
case 'W':
mode = MD_WRITE_KEYFILE;
newKeyFile = optarg;
break;
case 'k':
keyfile = optarg;
break;
case 'p':
keyprog = optarg;
break;
case 'f':
optionForce = 1;
break;
case 'r':
randomKeyLen = atoi(optarg);
if(randomKeyLen > 64*1024) {
fprintf(stderr, "ERROR: keys larger than 64KiB are "
"not supported\n");
exit(1);
}
break;
case 'K':
fprintf(stderr, "WARNING: specifying the actual key "
"via the command line is highly insecure\n"
"Do NOT use this for PRODUCTION use.\n");
cry_key = optarg;
cry_keylen = strlen(cry_key);
break;
case 'a':
temp = rsgcryAlgoname2Algo(optarg);
if(temp == GCRY_CIPHER_NONE) {
fprintf(stderr, "ERROR: algorithm \"%s\" is not "
"kown/supported\n", optarg);
exit(1);
}
cry_algo = temp;
break;
case 'm':
temp = rsgcryModename2Mode(optarg);
if(temp == GCRY_CIPHER_MODE_NONE) {
fprintf(stderr, "ERROR: cipher mode \"%s\" is not "
"kown/supported\n", optarg);
exit(1);
}
cry_mode = temp;
break;
case 'v':
verbose = 1;
break;
case 'V':
fprintf(stderr, "rsgtutil " VERSION "\n");
exit(0);
break;
case '?':
break;
default:fprintf(stderr, "getopt_long() returns unknown value %d\n", opt);
return 1;
}
}
setKey();
if(mode == MD_WRITE_KEYFILE) {
if(optind != argc) {
fprintf(stderr, "ERROR: no file parameters permitted in "
"--write-keyfile mode\n");
exit(1);
}
write_keyfile(newKeyFile);
} else {
if(optind == argc)
decrypt("-");
else {
for(i = optind ; i < argc ; ++i)
decrypt(argv[i]);
}
}
memset(cry_key, 0, cry_keylen); /* zero-out key store */
cry_keylen = 0;
return 0;
}
