mirror of
https://github.com/openssl/openssl.git
synced 2024-12-27 06:21:43 +08:00
310 lines
9.2 KiB
C
310 lines
9.2 KiB
C
/*
|
|
* Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include <openssl/opensslconf.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include "apps.h"
|
|
#include "progs.h"
|
|
#include <openssl/bio.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/dsa.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/x509.h>
|
|
#include <openssl/pem.h>
|
|
#include <openssl/bn.h>
|
|
#include <openssl/encoder.h>
|
|
#include <openssl/core_names.h>
|
|
#include <openssl/core_dispatch.h>
|
|
|
|
#ifndef OPENSSL_NO_RC4
|
|
# define DEFAULT_PVK_ENCR_STRENGTH 2
|
|
#else
|
|
# define DEFAULT_PVK_ENCR_STRENGTH 0
|
|
#endif
|
|
|
|
typedef enum OPTION_choice {
|
|
OPT_COMMON,
|
|
OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_ENGINE,
|
|
/* Do not change the order here; see case statements below */
|
|
OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG,
|
|
OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN,
|
|
OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT,
|
|
OPT_PROV_ENUM
|
|
} OPTION_CHOICE;
|
|
|
|
const OPTIONS dsa_options[] = {
|
|
OPT_SECTION("General"),
|
|
{"help", OPT_HELP, '-', "Display this summary"},
|
|
{"", OPT_CIPHER, '-', "Any supported cipher"},
|
|
#ifndef OPENSSL_NO_RC4
|
|
{"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"},
|
|
{"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"},
|
|
{"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"},
|
|
#endif
|
|
#ifndef OPENSSL_NO_ENGINE
|
|
{"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
|
|
#endif
|
|
|
|
OPT_SECTION("Input"),
|
|
{"in", OPT_IN, 's', "Input key"},
|
|
{"inform", OPT_INFORM, 'f', "Input format (DER/PEM/PVK); has no effect"},
|
|
{"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
|
|
{"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
|
|
|
|
OPT_SECTION("Output"),
|
|
{"out", OPT_OUT, '>', "Output file"},
|
|
{"outform", OPT_OUTFORM, 'f', "Output format, DER PEM PVK"},
|
|
{"noout", OPT_NOOUT, '-', "Don't print key out"},
|
|
{"text", OPT_TEXT, '-', "Print the key in text"},
|
|
{"modulus", OPT_MODULUS, '-', "Print the DSA public value"},
|
|
{"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
|
|
{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
|
|
|
|
OPT_PROV_OPTIONS,
|
|
{NULL}
|
|
};
|
|
|
|
int dsa_main(int argc, char **argv)
|
|
{
|
|
BIO *out = NULL;
|
|
ENGINE *e = NULL;
|
|
EVP_PKEY *pkey = NULL;
|
|
EVP_CIPHER *enc = NULL;
|
|
char *infile = NULL, *outfile = NULL, *prog;
|
|
char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL;
|
|
OPTION_CHOICE o;
|
|
int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, text = 0, noout = 0;
|
|
int modulus = 0, pubin = 0, pubout = 0, ret = 1;
|
|
int pvk_encr = DEFAULT_PVK_ENCR_STRENGTH;
|
|
int private = 0;
|
|
const char *output_type = NULL, *ciphername = NULL;
|
|
const char *output_structure = NULL;
|
|
int selection = 0;
|
|
OSSL_ENCODER_CTX *ectx = NULL;
|
|
|
|
opt_set_unknown_name("cipher");
|
|
prog = opt_init(argc, argv, dsa_options);
|
|
while ((o = opt_next()) != OPT_EOF) {
|
|
switch (o) {
|
|
case OPT_EOF:
|
|
case OPT_ERR:
|
|
opthelp:
|
|
ret = 0;
|
|
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
|
|
goto end;
|
|
case OPT_HELP:
|
|
opt_help(dsa_options);
|
|
ret = 0;
|
|
goto end;
|
|
case OPT_INFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_IN:
|
|
infile = opt_arg();
|
|
break;
|
|
case OPT_OUTFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_OUT:
|
|
outfile = opt_arg();
|
|
break;
|
|
case OPT_ENGINE:
|
|
e = setup_engine(opt_arg(), 0);
|
|
break;
|
|
case OPT_PASSIN:
|
|
passinarg = opt_arg();
|
|
break;
|
|
case OPT_PASSOUT:
|
|
passoutarg = opt_arg();
|
|
break;
|
|
case OPT_PVK_STRONG: /* pvk_encr:= 2 */
|
|
case OPT_PVK_WEAK: /* pvk_encr:= 1 */
|
|
case OPT_PVK_NONE: /* pvk_encr:= 0 */
|
|
#ifndef OPENSSL_NO_RC4
|
|
pvk_encr = (o - OPT_PVK_NONE);
|
|
#endif
|
|
break;
|
|
case OPT_NOOUT:
|
|
noout = 1;
|
|
break;
|
|
case OPT_TEXT:
|
|
text = 1;
|
|
break;
|
|
case OPT_MODULUS:
|
|
modulus = 1;
|
|
break;
|
|
case OPT_PUBIN:
|
|
pubin = 1;
|
|
break;
|
|
case OPT_PUBOUT:
|
|
pubout = 1;
|
|
break;
|
|
case OPT_CIPHER:
|
|
ciphername = opt_unknown();
|
|
break;
|
|
case OPT_PROV_CASES:
|
|
if (!opt_provider(o))
|
|
goto end;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* No extra args. */
|
|
if (!opt_check_rest_arg(NULL))
|
|
goto opthelp;
|
|
|
|
if (!opt_cipher(ciphername, &enc))
|
|
goto end;
|
|
private = pubin || pubout ? 0 : 1;
|
|
if (text && !pubin)
|
|
private = 1;
|
|
|
|
if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
|
|
BIO_printf(bio_err, "Error getting passwords\n");
|
|
goto end;
|
|
}
|
|
|
|
BIO_printf(bio_err, "read DSA key\n");
|
|
if (pubin)
|
|
pkey = load_pubkey(infile, informat, 1, passin, e, "public key");
|
|
else
|
|
pkey = load_key(infile, informat, 1, passin, e, "private key");
|
|
|
|
if (pkey == NULL) {
|
|
BIO_printf(bio_err, "unable to load Key\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
if (!EVP_PKEY_is_a(pkey, "DSA")) {
|
|
BIO_printf(bio_err, "Not a DSA key\n");
|
|
goto end;
|
|
}
|
|
|
|
out = bio_open_owner(outfile, outformat, private);
|
|
if (out == NULL)
|
|
goto end;
|
|
|
|
if (text) {
|
|
assert(pubin || private);
|
|
if ((pubin && EVP_PKEY_print_public(out, pkey, 0, NULL) <= 0)
|
|
|| (!pubin && EVP_PKEY_print_private(out, pkey, 0, NULL) <= 0)) {
|
|
perror(outfile);
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (modulus) {
|
|
BIGNUM *pub_key = NULL;
|
|
|
|
if (!EVP_PKEY_get_bn_param(pkey, "pub", &pub_key)) {
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
BIO_printf(out, "Public Key=");
|
|
BN_print(out, pub_key);
|
|
BIO_printf(out, "\n");
|
|
BN_free(pub_key);
|
|
}
|
|
|
|
if (noout) {
|
|
ret = 0;
|
|
goto end;
|
|
}
|
|
BIO_printf(bio_err, "writing DSA key\n");
|
|
if (outformat == FORMAT_ASN1) {
|
|
output_type = "DER";
|
|
} else if (outformat == FORMAT_PEM) {
|
|
output_type = "PEM";
|
|
} else if (outformat == FORMAT_MSBLOB) {
|
|
output_type = "MSBLOB";
|
|
} else if (outformat == FORMAT_PVK) {
|
|
if (pubin) {
|
|
BIO_printf(bio_err, "PVK form impossible with public key input\n");
|
|
goto end;
|
|
}
|
|
output_type = "PVK";
|
|
} else {
|
|
BIO_printf(bio_err, "bad output format specified for outfile\n");
|
|
goto end;
|
|
}
|
|
|
|
if (outformat == FORMAT_ASN1 || outformat == FORMAT_PEM) {
|
|
if (pubout || pubin)
|
|
output_structure = "SubjectPublicKeyInfo";
|
|
else
|
|
output_structure = "type-specific";
|
|
}
|
|
|
|
/* Select what you want in the output */
|
|
if (pubout || pubin) {
|
|
selection = OSSL_KEYMGMT_SELECT_PUBLIC_KEY;
|
|
} else {
|
|
assert(private);
|
|
selection = (OSSL_KEYMGMT_SELECT_KEYPAIR
|
|
| OSSL_KEYMGMT_SELECT_ALL_PARAMETERS);
|
|
}
|
|
|
|
/* Perform the encoding */
|
|
ectx = OSSL_ENCODER_CTX_new_for_pkey(pkey, selection, output_type,
|
|
output_structure, NULL);
|
|
if (OSSL_ENCODER_CTX_get_num_encoders(ectx) == 0) {
|
|
BIO_printf(bio_err, "%s format not supported\n", output_type);
|
|
goto end;
|
|
}
|
|
|
|
/* Passphrase setup */
|
|
if (enc != NULL)
|
|
OSSL_ENCODER_CTX_set_cipher(ectx, EVP_CIPHER_get0_name(enc), NULL);
|
|
|
|
/* Default passphrase prompter */
|
|
if (enc != NULL || outformat == FORMAT_PVK) {
|
|
OSSL_ENCODER_CTX_set_passphrase_ui(ectx, get_ui_method(), NULL);
|
|
if (passout != NULL)
|
|
/* When passout given, override the passphrase prompter */
|
|
OSSL_ENCODER_CTX_set_passphrase(ectx,
|
|
(const unsigned char *)passout,
|
|
strlen(passout));
|
|
}
|
|
|
|
/* PVK requires a bit more */
|
|
if (outformat == FORMAT_PVK) {
|
|
OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
|
|
|
|
params[0] = OSSL_PARAM_construct_int("encrypt-level", &pvk_encr);
|
|
if (!OSSL_ENCODER_CTX_set_params(ectx, params)) {
|
|
BIO_printf(bio_err, "invalid PVK encryption level\n");
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
if (!OSSL_ENCODER_to_bio(ectx, out)) {
|
|
BIO_printf(bio_err, "unable to write key\n");
|
|
goto end;
|
|
}
|
|
ret = 0;
|
|
end:
|
|
if (ret != 0)
|
|
ERR_print_errors(bio_err);
|
|
OSSL_ENCODER_CTX_free(ectx);
|
|
BIO_free_all(out);
|
|
EVP_PKEY_free(pkey);
|
|
EVP_CIPHER_free(enc);
|
|
release_engine(e);
|
|
OPENSSL_free(passin);
|
|
OPENSSL_free(passout);
|
|
return ret;
|
|
}
|