/*
- * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2021 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
static int verbose = 0;
-static int gendsa_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_TEXT, OPT_C,
+ OPT_COMMON,
+ OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_TEXT,
OPT_NOOUT, OPT_GENKEY, OPT_ENGINE, OPT_VERBOSE,
OPT_R_ENUM, OPT_PROV_ENUM
} OPTION_CHOICE;
{"out", OPT_OUT, '>', "Output file"},
{"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
{"text", OPT_TEXT, '-', "Print as text"},
- {"C", OPT_C, '-', "Output C code"},
{"noout", OPT_NOOUT, '-', "No output"},
{"verbose", OPT_VERBOSE, '-', "Verbose output"},
{"genkey", OPT_GENKEY, '-', "Generate a DSA key"},
EVP_PKEY *params = NULL, *pkey = NULL;
EVP_PKEY_CTX *ctx = NULL;
int numbits = -1, num = 0, genkey = 0;
- int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0;
+ int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, noout = 0;
int ret = 1, i, text = 0, private = 0;
char *infile = NULL, *outfile = NULL, *prog;
OPTION_CHOICE o;
case OPT_TEXT:
text = 1;
break;
- case OPT_C:
- C = 1;
- break;
case OPT_GENKEY:
genkey = 1;
break;
break;
}
}
+
+ /* Optional arg is bitsize. */
argc = opt_num_rest();
argv = opt_rest();
-
if (argc == 1) {
if (!opt_int(argv[0], &num) || num < 0)
- goto end;
- /* generate a key */
- numbits = num;
+ goto opthelp;
+ } else if (!opt_check_rest_arg(NULL)) {
+ goto opthelp;
}
+ if (!app_RAND_load())
+ goto end;
+
+ /* generate a key */
+ numbits = num;
private = genkey ? 1 : 0;
out = bio_open_owner(outfile, outformat, private);
" Your key size is %d! Larger key size may behave not as expected.\n",
OPENSSL_DSA_MAX_MODULUS_BITS, numbits);
- EVP_PKEY_CTX_set_cb(ctx, gendsa_cb);
EVP_PKEY_CTX_set_app_data(ctx, bio_err);
if (verbose) {
+ EVP_PKEY_CTX_set_cb(ctx, progress_cb);
BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n",
num);
BIO_printf(bio_err, "This could take some time\n");
"Error, DSA key generation setting bit length failed\n");
goto end;
}
- if (EVP_PKEY_paramgen(ctx, ¶ms) <= 0) {
- BIO_printf(bio_err, "Error, DSA key generation failed\n");
- goto end;
- }
+ params = app_paramgen(ctx, "DSA");
} else {
- params = load_keyparams(infile, 1, "DSA", "DSA parameters");
+ params = load_keyparams(infile, informat, 1, "DSA", "DSA parameters");
}
if (params == NULL) {
/* Error message should already have been displayed */
EVP_PKEY_print_params(out, params, 0, NULL);
}
- if (C) {
- BIGNUM *p = NULL, *q = NULL, *g = NULL;
- unsigned char *data;
- int len, bits_p;
-
- EVP_PKEY_get_bn_param(params, "p", &p);
- EVP_PKEY_get_bn_param(params, "q", &q);
- EVP_PKEY_get_bn_param(params, "g", &g);
- len = BN_num_bytes(p);
- bits_p = BN_num_bits(p);
-
- data = app_malloc(len + 20, "BN space");
-
- BIO_printf(bio_out, "static DSA *get_dsa%d(void)\n{\n", bits_p);
- print_bignum_var(bio_out, p, "dsap", bits_p, data);
- print_bignum_var(bio_out, q, "dsaq", bits_p, data);
- print_bignum_var(bio_out, g, "dsag", bits_p, data);
- BN_free(p);
- BN_free(q);
- BN_free(g);
- BIO_printf(bio_out, " DSA *dsa = DSA_new();\n"
- " BIGNUM *p, *q, *g;\n"
- "\n");
- BIO_printf(bio_out, " if (dsa == NULL)\n"
- " return NULL;\n");
- BIO_printf(bio_out, " if (!DSA_set0_pqg(dsa, p = BN_bin2bn(dsap_%d, sizeof(dsap_%d), NULL),\n",
- bits_p, bits_p);
- BIO_printf(bio_out, " q = BN_bin2bn(dsaq_%d, sizeof(dsaq_%d), NULL),\n",
- bits_p, bits_p);
- BIO_printf(bio_out, " g = BN_bin2bn(dsag_%d, sizeof(dsag_%d), NULL))) {\n",
- bits_p, bits_p);
- BIO_printf(bio_out, " DSA_free(dsa);\n"
- " BN_free(p);\n"
- " BN_free(q);\n"
- " BN_free(g);\n"
- " return NULL;\n"
- " }\n"
- " return dsa;\n}\n");
- OPENSSL_free(data);
- }
-
if (outformat == FORMAT_ASN1 && genkey)
noout = 1;
"Error, DSA key generation context allocation failed\n");
goto end;
}
- if (!EVP_PKEY_keygen_init(ctx)) {
+ if (EVP_PKEY_keygen_init(ctx) <= 0) {
BIO_printf(bio_err,
"Error, unable to initialise for key generation\n");
goto end;
}
- if (!EVP_PKEY_keygen(ctx, &pkey)) {
- BIO_printf(bio_err, "Error, unable to generate key\n");
- goto end;
- }
+ pkey = app_keygen(ctx, "DSA", numbits, verbose);
assert(private);
if (outformat == FORMAT_ASN1)
i = i2d_PrivateKey_bio(out, pkey);
return ret;
}
-static int gendsa_cb(EVP_PKEY_CTX *ctx)
-{
- static const char symbols[] = ".+*\n";
- int p;
- char c;
- BIO *b;
-
- if (!verbose)
- return 1;
-
- b = EVP_PKEY_CTX_get_app_data(ctx);
- p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
- c = (p >= 0 && (size_t)p < sizeof(symbols) - 1) ? symbols[p] : '?';
-
- BIO_write(b, &c, 1);
- (void)BIO_flush(b);
- return 1;
-}