int
dgst_main(int argc, char **argv)
{
ENGINE *e = NULL;
unsigned char *buf = NULL;
int i, err = 1;
const EVP_MD *md = NULL, *m;
BIO *in = NULL, *inp;
BIO *bmd = NULL;
BIO *out = NULL;
#define PROG_NAME_SIZE 39
char pname[PROG_NAME_SIZE + 1];
int separator = 0;
int debug = 0;
int keyform = FORMAT_PEM;
const char *outfile = NULL, *keyfile = NULL;
const char *sigfile = NULL;
int out_bin = -1, want_pub = 0, do_verify = 0;
EVP_PKEY *sigkey = NULL;
unsigned char *sigbuf = NULL;
int siglen = 0;
char *passargin = NULL, *passin = NULL;
#ifndef OPENSSL_NO_ENGINE
char *engine = NULL;
#endif
char *hmac_key = NULL;
char *mac_name = NULL;
STACK_OF(OPENSSL_STRING) * sigopts = NULL, *macopts = NULL;
if ((buf = malloc(BUFSIZE)) == NULL) {
BIO_printf(bio_err, "out of memory\n");
goto end;
}
/* first check the program name */
program_name(argv[0], pname, sizeof pname);
md = EVP_get_digestbyname(pname);
argc--;
argv++;
while (argc > 0) {
if ((*argv)[0] != '-')
break;
if (strcmp(*argv, "-c") == 0)
separator = 1;
else if (strcmp(*argv, "-r") == 0)
separator = 2;
else if (strcmp(*argv, "-out") == 0) {
if (--argc < 1)
break;
outfile = *(++argv);
} else if (strcmp(*argv, "-sign") == 0) {
if (--argc < 1)
break;
keyfile = *(++argv);
} else if (!strcmp(*argv, "-passin")) {
if (--argc < 1)
break;
passargin = *++argv;
} else if (strcmp(*argv, "-verify") == 0) {
if (--argc < 1)
break;
keyfile = *(++argv);
want_pub = 1;
do_verify = 1;
} else if (strcmp(*argv, "-prverify") == 0) {
if (--argc < 1)
break;
keyfile = *(++argv);
do_verify = 1;
} else if (strcmp(*argv, "-signature") == 0) {
if (--argc < 1)
break;
sigfile = *(++argv);
} else if (strcmp(*argv, "-keyform") == 0) {
if (--argc < 1)
break;
keyform = str2fmt(*(++argv));
}
#ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv, "-engine") == 0) {
if (--argc < 1)
break;
engine = *(++argv);
e = setup_engine(bio_err, engine, 0);
}
#endif
else if (strcmp(*argv, "-hex") == 0)
out_bin = 0;
else if (strcmp(*argv, "-binary") == 0)
out_bin = 1;
else if (strcmp(*argv, "-d") == 0)
debug = 1;
else if (!strcmp(*argv, "-hmac")) {
if (--argc < 1)
break;
hmac_key = *++argv;
} else if (!strcmp(*argv, "-mac")) {
if (--argc < 1)
break;
mac_name = *++argv;
} else if (strcmp(*argv, "-sigopt") == 0) {
if (--argc < 1)
break;
if (!sigopts)
sigopts = sk_OPENSSL_STRING_new_null();
if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
break;
} else if (strcmp(*argv, "-macopt") == 0) {
if (--argc < 1)
break;
if (!macopts)
macopts = sk_OPENSSL_STRING_new_null();
if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv)))
break;
} else if ((m = EVP_get_digestbyname(&((*argv)[1]))) != NULL)
md = m;
else
break;
argc--;
argv++;
}
if (do_verify && !sigfile) {
BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
goto end;
}
if ((argc > 0) && (argv[0][0] == '-')) { /* bad option */
BIO_printf(bio_err, "unknown option '%s'\n", *argv);
BIO_printf(bio_err, "options are\n");
BIO_printf(bio_err, "-c to output the digest with separating colons\n");
BIO_printf(bio_err, "-r to output the digest in coreutils format\n");
BIO_printf(bio_err, "-d to output debug info\n");
BIO_printf(bio_err, "-hex output as hex dump\n");
BIO_printf(bio_err, "-binary output in binary form\n");
BIO_printf(bio_err, "-sign file sign digest using private key in file\n");
BIO_printf(bio_err, "-verify file verify a signature using public key in file\n");
BIO_printf(bio_err, "-prverify file verify a signature using private key in file\n");
BIO_printf(bio_err, "-keyform arg key file format (PEM or ENGINE)\n");
BIO_printf(bio_err, "-out filename output to filename rather than stdout\n");
BIO_printf(bio_err, "-signature file signature to verify\n");
BIO_printf(bio_err, "-sigopt nm:v signature parameter\n");
BIO_printf(bio_err, "-hmac key create hashed MAC with key\n");
BIO_printf(bio_err, "-mac algorithm create MAC (not neccessarily HMAC)\n");
BIO_printf(bio_err, "-macopt nm:v MAC algorithm parameters or key\n");
#ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
#endif
EVP_MD_do_all_sorted(list_md_fn, bio_err);
goto end;
}
in = BIO_new(BIO_s_file());
bmd = BIO_new(BIO_f_md());
if (in == NULL || bmd == NULL) {
ERR_print_errors(bio_err);
goto end;
}
if (debug) {
BIO_set_callback(in, BIO_debug_callback);
/* needed for windows 3.1 */
BIO_set_callback_arg(in, (char *) bio_err);
}
if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (out_bin == -1) {
if (keyfile)
out_bin = 1;
else
out_bin = 0;
}
if (outfile) {
if (out_bin)
out = BIO_new_file(outfile, "wb");
else
out = BIO_new_file(outfile, "w");
} else {
out = BIO_new_fp(stdout, BIO_NOCLOSE);
}
if (!out) {
BIO_printf(bio_err, "Error opening output file %s\n",
outfile ? outfile : "(stdout)");
ERR_print_errors(bio_err);
goto end;
}
if ((!!mac_name + !!keyfile + !!hmac_key) > 1) {
BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
goto end;
}
if (keyfile) {
if (want_pub)
sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
e, "key file");
else
sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
e, "key file");
if (!sigkey) {
/*
* load_[pub]key() has already printed an appropriate
* message
*/
goto end;
}
}
if (mac_name) {
EVP_PKEY_CTX *mac_ctx = NULL;
int r = 0;
if (!init_gen_str(bio_err, &mac_ctx, mac_name, e, 0))
goto mac_end;
if (macopts) {
char *macopt;
for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
macopt = sk_OPENSSL_STRING_value(macopts, i);
if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
BIO_printf(bio_err,
"MAC parameter error \"%s\"\n",
macopt);
ERR_print_errors(bio_err);
goto mac_end;
}
}
}
if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
BIO_puts(bio_err, "Error generating key\n");
ERR_print_errors(bio_err);
goto mac_end;
}
r = 1;
mac_end:
if (mac_ctx)
EVP_PKEY_CTX_free(mac_ctx);
if (r == 0)
goto end;
}
if (hmac_key) {
sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e,
(unsigned char *) hmac_key, -1);
if (!sigkey)
goto end;
}
if (sigkey) {
EVP_MD_CTX *mctx = NULL;
EVP_PKEY_CTX *pctx = NULL;
int r;
if (!BIO_get_md_ctx(bmd, &mctx)) {
BIO_printf(bio_err, "Error getting context\n");
ERR_print_errors(bio_err);
goto end;
}
if (do_verify)
r = EVP_DigestVerifyInit(mctx, &pctx, md, NULL, sigkey);
else
r = EVP_DigestSignInit(mctx, &pctx, md, NULL, sigkey);
if (!r) {
BIO_printf(bio_err, "Error setting context\n");
ERR_print_errors(bio_err);
goto end;
}
if (sigopts) {
char *sigopt;
for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
sigopt = sk_OPENSSL_STRING_value(sigopts, i);
if (pkey_ctrl_string(pctx, sigopt) <= 0) {
BIO_printf(bio_err,
"parameter error \"%s\"\n",
sigopt);
ERR_print_errors(bio_err);
goto end;
}
}
}
}
/* we use md as a filter, reading from 'in' */
else {
if (md == NULL)
md = EVP_md5();
if (!BIO_set_md(bmd, md)) {
BIO_printf(bio_err, "Error setting digest %s\n", pname);
ERR_print_errors(bio_err);
goto end;
}
}
if (sigfile && sigkey) {
BIO *sigbio;
siglen = EVP_PKEY_size(sigkey);
sigbuf = malloc(siglen);
if (sigbuf == NULL) {
BIO_printf(bio_err, "out of memory\n");
ERR_print_errors(bio_err);
goto end;
}
sigbio = BIO_new_file(sigfile, "rb");
if (!sigbio) {
BIO_printf(bio_err, "Error opening signature file %s\n",
sigfile);
ERR_print_errors(bio_err);
goto end;
}
siglen = BIO_read(sigbio, sigbuf, siglen);
BIO_free(sigbio);
if (siglen <= 0) {
BIO_printf(bio_err, "Error reading signature file %s\n",
sigfile);
ERR_print_errors(bio_err);
goto end;
}
}
inp = BIO_push(bmd, in);
if (md == NULL) {
EVP_MD_CTX *tctx;
BIO_get_md_ctx(bmd, &tctx);
md = EVP_MD_CTX_md(tctx);
}
if (argc == 0) {
BIO_set_fp(in, stdin, BIO_NOCLOSE);
err = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
siglen, NULL, NULL, "stdin", bmd);
} else {
const char *md_name = NULL, *sig_name = NULL;
if (!out_bin) {
if (sigkey) {
const EVP_PKEY_ASN1_METHOD *ameth;
ameth = EVP_PKEY_get0_asn1(sigkey);
if (ameth)
EVP_PKEY_asn1_get0_info(NULL, NULL,
NULL, NULL, &sig_name, ameth);
}
md_name = EVP_MD_name(md);
}
err = 0;
for (i = 0; i < argc; i++) {
int r;
if (BIO_read_filename(in, argv[i]) <= 0) {
perror(argv[i]);
err++;
continue;
} else {
r = do_fp(out, buf, inp, separator, out_bin,
sigkey, sigbuf, siglen, sig_name, md_name,
argv[i], bmd);
}
if (r)
err = r;
(void) BIO_reset(bmd);
}
}
end:
if (buf != NULL) {
OPENSSL_cleanse(buf, BUFSIZE);
free(buf);
}
if (in != NULL)
BIO_free(in);
free(passin);
BIO_free_all(out);
EVP_PKEY_free(sigkey);
if (sigopts)
sk_OPENSSL_STRING_free(sigopts);
if (macopts)
sk_OPENSSL_STRING_free(macopts);
free(sigbuf);
if (bmd != NULL)
BIO_free(bmd);
return (err);
}
int dgst_main(int argc, char **argv)
{
BIO *in = NULL, *inp, *bmd = NULL, *out = NULL;
ENGINE *e = NULL, *impl = NULL;
EVP_PKEY *sigkey = NULL;
STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
char *hmac_key = NULL;
char *mac_name = NULL;
char *passinarg = NULL, *passin = NULL;
const EVP_MD *md = NULL, *m;
const char *outfile = NULL, *keyfile = NULL, *prog = NULL;
const char *sigfile = NULL, *randfile = NULL;
OPTION_CHOICE o;
int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0;
int i, ret = 1, out_bin = -1, want_pub = 0, do_verify =
0, non_fips_allow = 0;
unsigned char *buf = NULL, *sigbuf = NULL;
int engine_impl = 0;
prog = opt_progname(argv[0]);
buf = app_malloc(BUFSIZE, "I/O buffer");
md = EVP_get_digestbyname(prog);
prog = opt_init(argc, argv, dgst_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(dgst_options);
ret = 0;
goto end;
case OPT_C:
separator = 1;
break;
case OPT_R:
separator = 2;
break;
case OPT_RAND:
randfile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_SIGN:
keyfile = opt_arg();
break;
case OPT_PASSIN:
passinarg = opt_arg();
break;
case OPT_VERIFY:
keyfile = opt_arg();
want_pub = do_verify = 1;
break;
case OPT_PRVERIFY:
keyfile = opt_arg();
do_verify = 1;
break;
case OPT_SIGNATURE:
sigfile = opt_arg();
break;
case OPT_KEYFORM:
if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
goto opthelp;
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_ENGINE_IMPL:
engine_impl = 1;
break;
case OPT_HEX:
out_bin = 0;
break;
case OPT_BINARY:
out_bin = 1;
break;
case OPT_DEBUG:
debug = 1;
break;
case OPT_FIPS_FINGERPRINT:
hmac_key = "etaonrishdlcupfm";
break;
case OPT_NON_FIPS_ALLOW:
non_fips_allow = 1;
break;
case OPT_HMAC:
hmac_key = opt_arg();
break;
case OPT_MAC:
mac_name = opt_arg();
break;
case OPT_SIGOPT:
if (!sigopts)
sigopts = sk_OPENSSL_STRING_new_null();
if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
goto opthelp;
break;
case OPT_MACOPT:
if (!macopts)
macopts = sk_OPENSSL_STRING_new_null();
if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg()))
goto opthelp;
break;
case OPT_DIGEST:
if (!opt_md(opt_unknown(), &m))
goto opthelp;
md = m;
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
if (do_verify && !sigfile) {
BIO_printf(bio_err,
"No signature to verify: use the -signature option\n");
goto end;
}
if (engine_impl)
impl = e;
in = BIO_new(BIO_s_file());
bmd = BIO_new(BIO_f_md());
if ((in == NULL) || (bmd == NULL)) {
ERR_print_errors(bio_err);
goto end;
}
if (debug) {
BIO_set_callback(in, BIO_debug_callback);
/* needed for windows 3.1 */
BIO_set_callback_arg(in, (char *)bio_err);
}
if (!app_passwd(passinarg, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
if (out_bin == -1) {
if (keyfile)
out_bin = 1;
else
out_bin = 0;
}
if (randfile)
app_RAND_load_file(randfile, 0);
out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT);
if (out == NULL)
goto end;
if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) {
BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
goto end;
}
if (keyfile) {
if (want_pub)
sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file");
else
sigkey = load_key(keyfile, keyform, 0, passin, e, "key file");
if (!sigkey) {
/*
* load_[pub]key() has already printed an appropriate message
*/
goto end;
}
}
if (mac_name) {
EVP_PKEY_CTX *mac_ctx = NULL;
int r = 0;
if (!init_gen_str(&mac_ctx, mac_name, impl, 0))
goto mac_end;
if (macopts) {
char *macopt;
for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
macopt = sk_OPENSSL_STRING_value(macopts, i);
if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
BIO_printf(bio_err,
"MAC parameter error \"%s\"\n", macopt);
ERR_print_errors(bio_err);
goto mac_end;
}
}
}
if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
BIO_puts(bio_err, "Error generating key\n");
ERR_print_errors(bio_err);
goto mac_end;
}
r = 1;
mac_end:
EVP_PKEY_CTX_free(mac_ctx);
if (r == 0)
goto end;
}
if (non_fips_allow) {
EVP_MD_CTX *md_ctx;
BIO_get_md_ctx(bmd, &md_ctx);
EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
}
if (hmac_key) {
sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
(unsigned char *)hmac_key, -1);
if (!sigkey)
goto end;
}
if (sigkey) {
EVP_MD_CTX *mctx = NULL;
EVP_PKEY_CTX *pctx = NULL;
int r;
if (!BIO_get_md_ctx(bmd, &mctx)) {
BIO_printf(bio_err, "Error getting context\n");
ERR_print_errors(bio_err);
goto end;
}
if (do_verify)
r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
else
r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
if (!r) {
BIO_printf(bio_err, "Error setting context\n");
ERR_print_errors(bio_err);
goto end;
}
if (sigopts) {
char *sigopt;
for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
sigopt = sk_OPENSSL_STRING_value(sigopts, i);
if (pkey_ctrl_string(pctx, sigopt) <= 0) {
BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
ERR_print_errors(bio_err);
goto end;
}
}
}
}
/* we use md as a filter, reading from 'in' */
else {
EVP_MD_CTX *mctx = NULL;
if (!BIO_get_md_ctx(bmd, &mctx)) {
BIO_printf(bio_err, "Error getting context\n");
ERR_print_errors(bio_err);
goto end;
}
if (md == NULL)
md = EVP_md5();
if (!EVP_DigestInit_ex(mctx, md, impl)) {
BIO_printf(bio_err, "Error setting digest\n");
ERR_print_errors(bio_err);
goto end;
}
}
if (sigfile && sigkey) {
BIO *sigbio = BIO_new_file(sigfile, "rb");
if (!sigbio) {
BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
ERR_print_errors(bio_err);
goto end;
}
siglen = EVP_PKEY_size(sigkey);
sigbuf = app_malloc(siglen, "signature buffer");
siglen = BIO_read(sigbio, sigbuf, siglen);
BIO_free(sigbio);
if (siglen <= 0) {
BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
ERR_print_errors(bio_err);
goto end;
}
}
inp = BIO_push(bmd, in);
if (md == NULL) {
EVP_MD_CTX *tctx;
BIO_get_md_ctx(bmd, &tctx);
md = EVP_MD_CTX_md(tctx);
}
if (argc == 0) {
BIO_set_fp(in, stdin, BIO_NOCLOSE);
ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
siglen, NULL, NULL, "stdin", bmd);
} else {
const char *md_name = NULL, *sig_name = NULL;
if (!out_bin) {
if (sigkey) {
const EVP_PKEY_ASN1_METHOD *ameth;
ameth = EVP_PKEY_get0_asn1(sigkey);
if (ameth)
EVP_PKEY_asn1_get0_info(NULL, NULL,
NULL, NULL, &sig_name, ameth);
}
if (md)
md_name = EVP_MD_name(md);
}
ret = 0;
for (i = 0; i < argc; i++) {
int r;
if (BIO_read_filename(in, argv[i]) <= 0) {
perror(argv[i]);
ret++;
continue;
} else
r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
siglen, sig_name, md_name, argv[i], bmd);
if (r)
ret = r;
(void)BIO_reset(bmd);
}
}
end:
OPENSSL_clear_free(buf, BUFSIZE);
BIO_free(in);
OPENSSL_free(passin);
BIO_free_all(out);
EVP_PKEY_free(sigkey);
sk_OPENSSL_STRING_free(sigopts);
sk_OPENSSL_STRING_free(macopts);
OPENSSL_free(sigbuf);
BIO_free(bmd);
return (ret);
}
/*
* Key parameter decoder.
*/
static OSSL_STORE_INFO *try_decode_params(const char *pem_name,
const char *pem_header,
const unsigned char *blob,
size_t len, void **pctx,
int *matchcount,
const UI_METHOD *ui_method,
void *ui_data)
{
OSSL_STORE_INFO *store_info = NULL;
int slen = 0;
EVP_PKEY *pkey = NULL;
const EVP_PKEY_ASN1_METHOD *ameth = NULL;
int ok = 0;
if (pem_name != NULL) {
if ((slen = pem_check_suffix(pem_name, "PARAMETERS")) == 0)
return NULL;
*matchcount = 1;
}
if (slen > 0) {
if ((pkey = EVP_PKEY_new()) == NULL) {
OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PARAMS, ERR_R_EVP_LIB);
return NULL;
}
if (EVP_PKEY_set_type_str(pkey, pem_name, slen)
&& (ameth = EVP_PKEY_get0_asn1(pkey)) != NULL
&& ameth->param_decode != NULL
&& ameth->param_decode(pkey, &blob, len))
ok = 1;
} else {
int i;
EVP_PKEY *tmp_pkey = NULL;
for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
const unsigned char *tmp_blob = blob;
if (tmp_pkey == NULL && (tmp_pkey = EVP_PKEY_new()) == NULL) {
OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PARAMS, ERR_R_EVP_LIB);
break;
}
ameth = EVP_PKEY_asn1_get0(i);
if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
continue;
if (EVP_PKEY_set_type(tmp_pkey, ameth->pkey_id)
&& (ameth = EVP_PKEY_get0_asn1(tmp_pkey)) != NULL
&& ameth->param_decode != NULL
&& ameth->param_decode(tmp_pkey, &tmp_blob, len)) {
if (pkey != NULL)
EVP_PKEY_free(tmp_pkey);
else
pkey = tmp_pkey;
tmp_pkey = NULL;
(*matchcount)++;
}
}
EVP_PKEY_free(tmp_pkey);
if (*matchcount == 1) {
ok = 1;
}
}
if (ok)
store_info = OSSL_STORE_INFO_new_PARAMS(pkey);
if (store_info == NULL)
EVP_PKEY_free(pkey);
return store_info;
}
