/*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2020 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
*/
+#ifndef OPENSSL_NO_DEPRECATED_3_0
+/* We need to use some deprecated APIs */
+# define OPENSSL_SUPPRESS_DEPRECATED
+#endif
#include <openssl/opensslconf.h>
-#ifdef OPENSSL_NO_DH
-NON_EMPTY_TRANSLATION_UNIT
-#else
-
-# include <stdio.h>
-# include <stdlib.h>
-# include <time.h>
-# include <string.h>
-# include "apps.h"
-# include <openssl/bio.h>
-# include <openssl/err.h>
-# include <openssl/bn.h>
-# include <openssl/dh.h>
-# include <openssl/x509.h>
-# include <openssl/pem.h>
-
-# ifndef OPENSSL_NO_DSA
-# include <openssl/dsa.h>
-# endif
-# define DEFBITS 2048
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <string.h>
+#include "apps.h"
+#include "progs.h"
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/dh.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+
+#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_DEPRECATED_3_0)
+# include <openssl/dsa.h>
+#endif
+
+#define DEFBITS 2048
+#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_DEPRECATED_3_0)
static int dh_cb(int p, int n, BN_GENCB *cb);
+#endif
+static int gendh_cb(EVP_PKEY_CTX *ctx);
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
OPT_ENGINE, OPT_CHECK, OPT_TEXT, OPT_NOOUT,
- OPT_DSAPARAM, OPT_C, OPT_2, OPT_5,
- OPT_R_ENUM
+ OPT_DSAPARAM, OPT_C, OPT_2, OPT_3, OPT_5,
+ OPT_R_ENUM, OPT_PROV_ENUM
} OPTION_CHOICE;
const OPTIONS dhparam_options[] = {
- {OPT_HELP_STR, 1, '-', "Usage: %s [flags] [numbits]\n"},
- {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] [numbits]\n"},
+
+ OPT_SECTION("General"),
{"help", OPT_HELP, '-', "Display this summary"},
+ {"check", OPT_CHECK, '-', "Check the DH parameters"},
+#ifndef OPENSSL_NO_DSA
+ {"dsaparam", OPT_DSAPARAM, '-',
+ "Read or generate DSA parameters, convert to DH"},
+#endif
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
+#endif
+
+ OPT_SECTION("Input"),
{"in", OPT_IN, '<', "Input file"},
{"inform", OPT_INFORM, 'F', "Input format, DER or PEM"},
- {"outform", OPT_OUTFORM, 'F', "Output format, DER or PEM"},
+
+ OPT_SECTION("Output"),
{"out", OPT_OUT, '>', "Output file"},
- {"check", OPT_CHECK, '-', "Check the DH parameters"},
+ {"outform", OPT_OUTFORM, 'F', "Output format, DER or PEM"},
{"text", OPT_TEXT, '-', "Print a text form of the DH parameters"},
{"noout", OPT_NOOUT, '-', "Don't output any DH parameters"},
- OPT_R_OPTIONS,
{"C", OPT_C, '-', "Print C code"},
{"2", OPT_2, '-', "Generate parameters using 2 as the generator value"},
+ {"3", OPT_3, '-', "Generate parameters using 3 as the generator value"},
{"5", OPT_5, '-', "Generate parameters using 5 as the generator value"},
-# ifndef OPENSSL_NO_DSA
- {"dsaparam", OPT_DSAPARAM, '-',
- "Read or generate DSA parameters, convert to DH"},
-# endif
-# ifndef OPENSSL_NO_ENGINE
- {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
-# endif
+
+ OPT_R_OPTIONS,
+ OPT_PROV_OPTIONS,
+
+ OPT_PARAMETERS(),
+ {"numbits", 0, 0, "Number of bits if generating parameters (optional)"},
{NULL}
};
{
BIO *in = NULL, *out = NULL;
DH *dh = NULL;
+ EVP_PKEY *pkey = NULL;
+ EVP_PKEY_CTX *ctx = NULL;
char *infile = NULL, *outfile = NULL, *prog;
ENGINE *e = NULL;
-#ifndef OPENSSL_NO_DSA
+#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_DEPRECATED_3_0)
int dsaparam = 0;
#endif
int i, text = 0, C = 0, ret = 1, num = 0, g = 0;
break;
case OPT_DSAPARAM:
#ifndef OPENSSL_NO_DSA
+# ifdef OPENSSL_NO_DEPRECATED_3_0
+ BIO_printf(bio_err, "The dsaparam option is deprecated.\n");
+# else
dsaparam = 1;
+# endif
#endif
break;
case OPT_C:
case OPT_2:
g = 2;
break;
+ case OPT_3:
+ g = 3;
+ break;
case OPT_5:
g = 5;
break;
if (!opt_rand(o))
goto end;
break;
+ case OPT_PROV_CASES:
+ if (!opt_provider(o))
+ goto end;
+ break;
}
}
argc = opt_num_rest();
if (g && !num)
num = DEFBITS;
-# ifndef OPENSSL_NO_DSA
+#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_DEPRECATED_3_0)
if (dsaparam && g) {
BIO_printf(bio_err,
"generator may not be chosen for DSA parameters\n");
goto end;
}
-# endif
+#endif
+
+ out = bio_open_default(outfile, 'w', outformat);
+ if (out == NULL)
+ goto end;
+
/* DH parameters */
if (num && !g)
g = 2;
if (num) {
- BN_GENCB *cb;
- cb = BN_GENCB_new();
- if (cb == NULL) {
- ERR_print_errors(bio_err);
- goto end;
- }
-
- BN_GENCB_set(cb, dh_cb, bio_err);
-# ifndef OPENSSL_NO_DSA
+#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_DEPRECATED_3_0)
if (dsaparam) {
DSA *dsa = DSA_new();
+ BN_GENCB *cb = BN_GENCB_new();
+
+ if (cb == NULL) {
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ BN_GENCB_set(cb, dh_cb, bio_err);
BIO_printf(bio_err,
"Generating DSA parameters, %d bit long prime\n", num);
dh = DSA_dup_DH(dsa);
DSA_free(dsa);
+ BN_GENCB_free(cb);
if (dh == NULL) {
- BN_GENCB_free(cb);
ERR_print_errors(bio_err);
goto end;
}
} else
-# endif
+#endif
{
- dh = DH_new();
+ ctx = EVP_PKEY_CTX_new_from_name(NULL, "DH", NULL);
+ if (ctx == NULL) {
+ ERR_print_errors(bio_err);
+ BIO_printf(bio_err,
+ "Error, DH key generation context allocation failed\n");
+ goto end;
+ }
+ EVP_PKEY_CTX_set_cb(ctx, gendh_cb);
+ EVP_PKEY_CTX_set_app_data(ctx, bio_err);
BIO_printf(bio_err,
"Generating DH parameters, %d bit long safe prime, generator %d\n",
num, g);
BIO_printf(bio_err, "This is going to take a long time\n");
- if (dh == NULL || !DH_generate_parameters_ex(dh, num, g, cb)) {
- BN_GENCB_free(cb);
+ if (!EVP_PKEY_paramgen_init(ctx)) {
+ BIO_printf(bio_err,
+ "Error, unable to initialise DH param generation\n");
ERR_print_errors(bio_err);
goto end;
}
- }
- BN_GENCB_free(cb);
+ if (!EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, num)) {
+ BIO_printf(bio_err, "Error, unable to set DH prime length\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ if (!EVP_PKEY_paramgen(ctx, &pkey)) {
+ BIO_printf(bio_err, "Error, DH generation failed\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
} else {
-
in = bio_open_default(infile, 'r', informat);
if (in == NULL)
goto end;
-# ifndef OPENSSL_NO_DSA
+#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_DEPRECATED_3_0)
if (dsaparam) {
DSA *dsa;
goto end;
}
} else
-# endif
+#endif
{
if (informat == FORMAT_ASN1) {
/*
* We have no PEM header to determine what type of DH params it
* is. We'll just try both.
*/
- dh = d2i_DHparams_bio(in, NULL);
+ dh = ASN1_d2i_bio_of(DH, DH_new, d2i_DHparams, in, NULL);
/* BIO_reset() returns 0 for success for file BIOs only!!! */
if (dh == NULL && BIO_reset(in) == 0)
- dh = d2i_DHxparams_bio(in, NULL);
+ dh = ASN1_d2i_bio_of(DH, DH_new, d2i_DHxparams, in, NULL);
} else {
/* informat == FORMAT_PEM */
dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
goto end;
}
}
-
/* dh != NULL */
}
- out = bio_open_default(outfile, 'w', outformat);
- if (out == NULL)
- goto end;
-
- if (text) {
- DHparams_print(out, dh);
- }
+ if (text)
+ EVP_PKEY_print_params(out, pkey, 4, NULL);
if (check) {
- if (!DH_check(dh, &i)) {
+ if (!EVP_PKEY_param_check(ctx) /* DH_check(dh, &i) */) {
ERR_print_errors(bio_err);
+ BIO_printf(bio_err, "ERROR: Invalid parameters generated\n");
goto end;
}
- if (i & DH_CHECK_P_NOT_PRIME)
- BIO_printf(bio_err, "WARNING: p value is not prime\n");
- if (i & DH_CHECK_P_NOT_SAFE_PRIME)
- BIO_printf(bio_err, "WARNING: p value is not a safe prime\n");
- if (i & DH_CHECK_Q_NOT_PRIME)
- BIO_printf(bio_err, "WARNING: q value is not a prime\n");
- if (i & DH_CHECK_INVALID_Q_VALUE)
- BIO_printf(bio_err, "WARNING: q value is invalid\n");
- if (i & DH_CHECK_INVALID_J_VALUE)
- BIO_printf(bio_err, "WARNING: j value is invalid\n");
- if (i & DH_UNABLE_TO_CHECK_GENERATOR)
- BIO_printf(bio_err,
- "WARNING: unable to check the generator value\n");
- if (i & DH_NOT_SUITABLE_GENERATOR)
- BIO_printf(bio_err, "WARNING: the g value is not a generator\n");
- if (i == 0)
- BIO_printf(bio_err, "DH parameters appear to be ok.\n");
- if (num != 0 && i != 0) {
+ BIO_printf(bio_err, "DH parameters appear to be ok.\n");
+ if (num != 0) {
/*
* We have generated parameters but DH_check() indicates they are
* invalid! This should never happen!
int len, bits;
const BIGNUM *pbn, *gbn;
- len = DH_size(dh);
- bits = DH_bits(dh);
+ dh = EVP_PKEY_get0_DH(pkey);
+ len = EVP_PKEY_size(pkey);
+ bits = EVP_PKEY_size(pkey);
DH_get0_pqg(dh, &pbn, NULL, &gbn);
data = app_malloc(len, "print a BN");
- BIO_printf(out, "#ifndef HEADER_DH_H\n"
- "# include <openssl/dh.h>\n"
- "#endif\n"
- "\n");
- BIO_printf(out, "DH *get_dh%d()\n{\n", bits);
+
+ BIO_printf(out, "static DH *get_dh%d(void)\n{\n", bits);
print_bignum_var(out, pbn, "dhp", bits, data);
print_bignum_var(out, gbn, "dhg", bits, data);
BIO_printf(out, " DH *dh = DH_new();\n"
- " BIGNUM *dhp_bn, *dhg_bn;\n"
+ " BIGNUM *p, *g;\n"
"\n"
" if (dh == NULL)\n"
" return NULL;\n");
- BIO_printf(out, " dhp_bn = BN_bin2bn(dhp_%d, sizeof (dhp_%d), NULL);\n",
+ BIO_printf(out, " p = BN_bin2bn(dhp_%d, sizeof(dhp_%d), NULL);\n",
bits, bits);
- BIO_printf(out, " dhg_bn = BN_bin2bn(dhg_%d, sizeof (dhg_%d), NULL);\n",
+ BIO_printf(out, " g = BN_bin2bn(dhg_%d, sizeof(dhg_%d), NULL);\n",
bits, bits);
- BIO_printf(out, " if (dhp_bn == NULL || dhg_bn == NULL\n"
- " || !DH_set0_pqg(dh, dhp_bn, NULL, dhg_bn)) {\n"
+ BIO_printf(out, " if (p == NULL || g == NULL\n"
+ " || !DH_set0_pqg(dh, p, NULL, g)) {\n"
" DH_free(dh);\n"
- " BN_free(dhp_bn);\n"
- " BN_free(dhg_bn);\n"
+ " BN_free(p);\n"
+ " BN_free(g);\n"
" return NULL;\n"
" }\n");
if (DH_get_length(dh) > 0)
BIO_printf(out,
" if (!DH_set_length(dh, %ld)) {\n"
" DH_free(dh);\n"
+ " return NULL;\n"
" }\n", DH_get_length(dh));
BIO_printf(out, " return dh;\n}\n");
OPENSSL_free(data);
DH_get0_pqg(dh, NULL, &q, NULL);
if (outformat == FORMAT_ASN1) {
if (q != NULL)
- i = i2d_DHxparams_bio(out, dh);
+ i = ASN1_i2d_bio_of(DH, i2d_DHxparams, out, dh);
else
- i = i2d_DHparams_bio(out, dh);
+ i = ASN1_i2d_bio_of(DH, i2d_DHparams, out, dh);
} else if (q != NULL) {
i = PEM_write_bio_DHxparams(out, dh);
} else {
end:
BIO_free(in);
BIO_free_all(out);
- DH_free(dh);
+ EVP_PKEY_free(pkey);
+ EVP_PKEY_CTX_free(ctx);
release_engine(e);
- return (ret);
+ return ret;
}
-static int dh_cb(int p, int n, BN_GENCB *cb)
+static int common_dh_cb(int p, BIO *b)
{
- char c = '*';
-
- if (p == 0)
- c = '.';
- if (p == 1)
- c = '+';
- if (p == 2)
- c = '*';
- if (p == 3)
- c = '\n';
- BIO_write(BN_GENCB_get_arg(cb), &c, 1);
- (void)BIO_flush(BN_GENCB_get_arg(cb));
+ static const char symbols[] = ".+*\n";
+ char c = (p >= 0 && (size_t)p < sizeof(symbols) - 1) ? symbols[p] : '?';
+
+ BIO_write(b, &c, 1);
+ (void)BIO_flush(b);
return 1;
}
+
+#if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_DEPRECATED_3_0)
+static int dh_cb(int p, int n, BN_GENCB *cb)
+{
+ return common_dh_cb(p, BN_GENCB_get_arg(cb));
+}
#endif
+
+static int gendh_cb(EVP_PKEY_CTX *ctx)
+{
+ return common_dh_cb(EVP_PKEY_CTX_get_keygen_info(ctx, 0),
+ EVP_PKEY_CTX_get_app_data(ctx));
+}
projects / openssl.git / blobdiff