static isc_result_t
opensslgost_generate(dst_key_t *key, int unused, void (*callback)(int)) {
EVP_PKEY_CTX *ctx;
union {
void *dptr;
void (*fptr)(int);
} u;
EVP_PKEY *pkey = NULL;
UNUSED(unused);
ctx = EVP_PKEY_CTX_new_id(NID_id_GostR3410_2001, NULL);
if (ctx == NULL)
goto err;
if (callback != NULL) {
u.fptr = callback;
EVP_PKEY_CTX_set_app_data(ctx, u.dptr);
EVP_PKEY_CTX_set_cb(ctx, &progress_cb);
}
if (EVP_PKEY_keygen_init(ctx) <= 0)
goto err;
if (EVP_PKEY_CTX_ctrl_str(ctx, "paramset", "A") <= 0)
goto err;
if (EVP_PKEY_keygen(ctx, &pkey) <= 0)
goto err;
key->keydata.pkey = pkey;
EVP_PKEY_CTX_free(ctx);
return (ISC_R_SUCCESS);
err:
if (pkey != NULL)
EVP_PKEY_free(pkey);
if (ctx != NULL)
EVP_PKEY_CTX_free(ctx);
return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
}
int
genpkey_main(int argc, char **argv)
{
ENGINE *e = NULL;
char **args, *outfile = NULL;
char *passarg = NULL;
BIO *in = NULL, *out = NULL;
const EVP_CIPHER *cipher = NULL;
int outformat;
int text = 0;
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *ctx = NULL;
char *pass = NULL;
int badarg = 0;
int ret = 1, rv;
int do_param = 0;
outformat = FORMAT_PEM;
args = argv + 1;
while (!badarg && *args && *args[0] == '-') {
if (!strcmp(*args, "-outform")) {
if (args[1]) {
args++;
outformat = str2fmt(*args);
} else
badarg = 1;
} else if (!strcmp(*args, "-pass")) {
if (!args[1])
goto bad;
passarg = *(++args);
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*args, "-engine") == 0) {
if (!args[1])
goto bad;
e = setup_engine(bio_err, *(++args), 0);
}
#endif
else if (!strcmp(*args, "-paramfile")) {
if (!args[1])
goto bad;
args++;
if (do_param == 1)
goto bad;
if (!init_keygen_file(bio_err, &ctx, *args, e))
goto end;
} else if (!strcmp(*args, "-out")) {
if (args[1]) {
args++;
outfile = *args;
} else
badarg = 1;
} else if (strcmp(*args, "-algorithm") == 0) {
if (!args[1])
goto bad;
if (!init_gen_str(bio_err, &ctx, *(++args), e, do_param))
goto end;
} else if (strcmp(*args, "-pkeyopt") == 0) {
if (!args[1])
goto bad;
if (!ctx) {
BIO_puts(bio_err, "No keytype specified\n");
goto bad;
} else if (pkey_ctrl_string(ctx, *(++args)) <= 0) {
BIO_puts(bio_err, "parameter setting error\n");
ERR_print_errors(bio_err);
goto end;
}
} else if (strcmp(*args, "-genparam") == 0) {
if (ctx)
goto bad;
do_param = 1;
} else if (strcmp(*args, "-text") == 0)
text = 1;
else {
cipher = EVP_get_cipherbyname(*args + 1);
if (!cipher) {
BIO_printf(bio_err, "Unknown cipher %s\n",
*args + 1);
badarg = 1;
}
if (do_param == 1)
badarg = 1;
}
args++;
}
if (!ctx)
badarg = 1;
if (badarg) {
bad:
BIO_printf(bio_err, "Usage: genpkey [options]\n");
BIO_printf(bio_err, "where options may be\n");
BIO_printf(bio_err, "-out file output file\n");
BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
BIO_printf(bio_err, "-pass arg output file pass phrase source\n");
BIO_printf(bio_err, "-<cipher> use cipher <cipher> to encrypt the key\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
#endif
BIO_printf(bio_err, "-paramfile file parameters file\n");
BIO_printf(bio_err, "-algorithm alg the public key algorithm\n");
BIO_printf(bio_err, "-pkeyopt opt:value set the public key algorithm option <opt>\n"
" to value <value>\n");
BIO_printf(bio_err, "-genparam generate parameters, not key\n");
BIO_printf(bio_err, "-text print the in text\n");
BIO_printf(bio_err, "NB: options order may be important! See the manual page.\n");
goto end;
}
if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
BIO_puts(bio_err, "Error getting password\n");
goto end;
}
if (outfile) {
if (!(out = BIO_new_file(outfile, "wb"))) {
BIO_printf(bio_err,
"Can't open output file %s\n", outfile);
goto end;
}
} else {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
}
EVP_PKEY_CTX_set_cb(ctx, genpkey_cb);
EVP_PKEY_CTX_set_app_data(ctx, bio_err);
if (do_param) {
if (EVP_PKEY_paramgen(ctx, &pkey) <= 0) {
BIO_puts(bio_err, "Error generating parameters\n");
ERR_print_errors(bio_err);
goto end;
}
} else {
if (EVP_PKEY_keygen(ctx, &pkey) <= 0) {
BIO_puts(bio_err, "Error generating key\n");
ERR_print_errors(bio_err);
goto end;
}
}
if (do_param)
rv = PEM_write_bio_Parameters(out, pkey);
else if (outformat == FORMAT_PEM)
rv = PEM_write_bio_PrivateKey(out, pkey, cipher, NULL, 0,
NULL, pass);
else if (outformat == FORMAT_ASN1)
rv = i2d_PrivateKey_bio(out, pkey);
else {
BIO_printf(bio_err, "Bad format specified for key\n");
goto end;
}
if (rv <= 0) {
BIO_puts(bio_err, "Error writing key\n");
ERR_print_errors(bio_err);
}
if (text) {
if (do_param)
rv = EVP_PKEY_print_params(out, pkey, 0, NULL);
else
rv = EVP_PKEY_print_private(out, pkey, 0, NULL);
if (rv <= 0) {
BIO_puts(bio_err, "Error printing key\n");
ERR_print_errors(bio_err);
}
}
ret = 0;
end:
if (pkey)
EVP_PKEY_free(pkey);
if (ctx)
EVP_PKEY_CTX_free(ctx);
if (out)
BIO_free_all(out);
BIO_free(in);
free(pass);
return ret;
}
