/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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>
-#ifdef OPENSSL_NO_DSA
-NON_EMPTY_TRANSLATION_UNIT
-#else
-# include <stdio.h>
-# include <stdlib.h>
-# include <string.h>
-# include <time.h>
-# include "apps.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 <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_ERR = -1, OPT_EOF = 0, OPT_HELP,
- OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
- OPT_ENGINE, OPT_PVK_STRONG, OPT_PVK_WEAK,
- OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN,
- OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT
+ 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;
-OPTIONS dsa_options[] = {
+const OPTIONS dsa_options[] = {
+ OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
- {"inform", OPT_INFORM, 'f', "Input format, DER PEM PVK"},
- {"outform", OPT_OUTFORM, 'F', "Output format, DER PEM PVK"},
+ {"", 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"},
- {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"},
{"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
- {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
- {"", OPT_CIPHER, '-', "Any supported cipher"},
-# ifndef OPENSSL_NO_RC4
- {"pvk-strong", OPT_PVK_STRONG, '-'},
- {"pvk-weak", OPT_PVK_WEAK, '-'},
- {"pvk-none", OPT_PVK_NONE, '-'},
-# endif
-# ifndef OPENSSL_NO_ENGINE
- {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
-# endif
+
+ OPT_PROV_OPTIONS,
{NULL}
};
int dsa_main(int argc, char **argv)
{
BIO *out = NULL;
- DSA *dsa = NULL;
ENGINE *e = NULL;
- const EVP_CIPHER *enc = 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_PEM, outformat = FORMAT_PEM, text = 0, noout = 0;
- int i, modulus = 0, pubin = 0, pubout = 0, ret = 1;
-# ifndef OPENSSL_NO_RC4
- int pvk_encr = 2;
-# endif
+ 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;
prog = opt_init(argc, argv, dsa_options);
while ((o = opt_next()) != OPT_EOF) {
infile = opt_arg();
break;
case OPT_OUTFORM:
- if (!opt_format
- (opt_arg(), OPT_FMT_PEMDER | OPT_FMT_PVK, &outformat))
+ if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat))
goto opthelp;
break;
case OPT_OUT:
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
- case OPT_PVK_STRONG:
- pvk_encr = 2;
- break;
- case OPT_PVK_WEAK:
- pvk_encr = 1;
- break;
- case OPT_PVK_NONE:
- pvk_encr = 0;
- break;
-#else
- case OPT_PVK_STRONG:
- case OPT_PVK_WEAK:
- case OPT_PVK_NONE:
- break;
+ pvk_encr = (o - OPT_PVK_NONE);
#endif
+ break;
case OPT_NOOUT:
noout = 1;
break;
pubout = 1;
break;
case OPT_CIPHER:
- if (!opt_cipher(opt_unknown(), &enc))
+ ciphername = opt_unknown();
+ break;
+ case OPT_PROV_CASES:
+ if (!opt_provider(o))
goto end;
break;
}
}
+
+ /* No extra args. */
argc = opt_num_rest();
if (argc != 0)
goto opthelp;
+ if (ciphername != NULL) {
+ if (!opt_cipher(ciphername, &enc))
+ goto end;
+ }
private = pubin || pubout ? 0 : 1;
if (text && !pubin)
private = 1;
}
BIO_printf(bio_err, "read DSA key\n");
- {
- EVP_PKEY *pkey;
+ if (pubin)
+ pkey = load_pubkey(infile, informat, 1, passin, e, "public key");
+ else
+ pkey = load_key(infile, informat, 1, passin, e, "private key");
- 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) {
- dsa = EVP_PKEY_get1_DSA(pkey);
- EVP_PKEY_free(pkey);
- }
- }
- if (dsa == NULL) {
+ 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)
if (text) {
assert(pubin || private);
- if (!DSA_print(out, dsa, 0)) {
+ 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) {
- const BIGNUM *pub_key = NULL;
- DSA_get0_key(dsa, &pub_key, NULL);
+ 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) {
}
BIO_printf(bio_err, "writing DSA key\n");
if (outformat == FORMAT_ASN1) {
- if (pubin || pubout)
- i = i2d_DSA_PUBKEY_bio(out, dsa);
- else {
- assert(private);
- i = i2d_DSAPrivateKey_bio(out, dsa);
- }
+ output_type = "DER";
} else if (outformat == FORMAT_PEM) {
- if (pubin || pubout)
- i = PEM_write_bio_DSA_PUBKEY(out, dsa);
- else {
- assert(private);
- i = PEM_write_bio_DSAPrivateKey(out, dsa, enc,
- NULL, 0, NULL, passout);
- }
-# if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
- } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
- EVP_PKEY *pk;
- pk = EVP_PKEY_new();
- EVP_PKEY_set1_DSA(pk, dsa);
- if (outformat == FORMAT_PVK) {
- if (pubin) {
- BIO_printf(bio_err, "PVK form impossible with public key input\n");
- EVP_PKEY_free(pk);
- goto end;
- }
- assert(private);
- i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
- }
- else if (pubin || pubout)
- i = i2b_PublicKey_bio(out, pk);
- else {
- assert(private);
- i = i2b_PrivateKey_bio(out, pk);
+ 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;
}
- EVP_PKEY_free(pk);
-# endif
+ output_type = "PVK";
} else {
BIO_printf(bio_err, "bad output format specified for outfile\n");
goto end;
}
- if (i <= 0) {
- BIO_printf(bio_err, "unable to write private key\n");
- ERR_print_errors(bio_err);
+
+ 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);
- DSA_free(dsa);
+ EVP_PKEY_free(pkey);
+ EVP_CIPHER_free(enc);
+ release_engine(e);
OPENSSL_free(passin);
OPENSSL_free(passout);
- return (ret);
+ return ret;
}
-#endif