static int pkey_rsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
RSA *rsa = NULL;
RSA_PKEY_CTX *rctx = ctx->data;
BN_GENCB *pcb;
int ret;
if (rctx->pub_exp == NULL) {
rctx->pub_exp = BN_new();
if (rctx->pub_exp == NULL || !BN_set_word(rctx->pub_exp, RSA_F4))
return 0;
}
rsa = RSA_new();
if (rsa == NULL)
return 0;
if (ctx->pkey_gencb) {
pcb = BN_GENCB_new();
if (pcb == NULL) {
RSA_free(rsa);
return 0;
}
evp_pkey_set_cb_translate(pcb, ctx);
} else
pcb = NULL;
ret = RSA_generate_key_ex(rsa, rctx->nbits, rctx->pub_exp, pcb);
BN_GENCB_free(pcb);
if (ret > 0)
EVP_PKEY_assign_RSA(pkey, rsa);
else
RSA_free(rsa);
return ret;
}
DSA *DSA_generate_parameters(int bits,
unsigned char *seed_in, int seed_len,
int *counter_ret, unsigned long *h_ret,
void (*callback) (int, int, void *),
void *cb_arg)
{
BN_GENCB *cb;
DSA *ret;
if ((ret = DSA_new()) == NULL)
return NULL;
cb = BN_GENCB_new();
if (cb == NULL)
goto err;
BN_GENCB_set_old(cb, callback, cb_arg);
if (DSA_generate_parameters_ex(ret, bits, seed_in, seed_len,
counter_ret, h_ret, cb)) {
BN_GENCB_free(cb);
return ret;
}
BN_GENCB_free(cb);
err:
DSA_free(ret);
return NULL;
}
RSA *RSA_generate_key(int bits, unsigned long e_value,
void (*callback) (int, int, void *), void *cb_arg)
{
int i;
BN_GENCB *cb = BN_GENCB_new();
RSA *rsa = RSA_new();
BIGNUM *e = BN_new();
if (cb == NULL || rsa == NULL || e == NULL)
goto err;
/*
* The problem is when building with 8, 16, or 32 BN_ULONG, unsigned long
* can be larger
*/
for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) {
if (e_value & (1UL << i))
if (BN_set_bit(e, i) == 0)
goto err;
}
BN_GENCB_set_old(cb, callback, cb_arg);
if (RSA_generate_key_ex(rsa, bits, e, cb)) {
BN_free(e);
BN_GENCB_free(cb);
return rsa;
}
err:
BN_free(e);
RSA_free(rsa);
BN_GENCB_free(cb);
return 0;
}
static int pkey_dsa_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
DSA *dsa = NULL;
DSA_PKEY_CTX *dctx = ctx->data;
BN_GENCB *pcb;
int ret;
if (ctx->pkey_gencb) {
pcb = BN_GENCB_new();
if (pcb == NULL)
return 0;
evp_pkey_set_cb_translate(pcb, ctx);
} else
pcb = NULL;
dsa = DSA_new();
if (dsa == NULL) {
BN_GENCB_free(pcb);
return 0;
}
ret = dsa_builtin_paramgen(dsa, dctx->nbits, dctx->qbits, dctx->pmd,
NULL, 0, NULL, NULL, NULL, pcb);
BN_GENCB_free(pcb);
if (ret)
EVP_PKEY_assign_DSA(pkey, dsa);
else
DSA_free(dsa);
return ret;
}
int genrsa_main(int argc, char **argv)
{
BN_GENCB *cb = BN_GENCB_new();
PW_CB_DATA cb_data;
ENGINE *eng = NULL;
BIGNUM *bn = BN_new();
BIO *out = NULL;
BIGNUM *e;
RSA *rsa = NULL;
const EVP_CIPHER *enc = NULL;
int ret = 1, num = DEFBITS, private = 0;
unsigned long f4 = RSA_F4;
char *outfile = NULL, *passoutarg = NULL, *passout = NULL;
char *inrand = NULL, *prog, *hexe, *dece;
OPTION_CHOICE o;
if (bn == NULL || cb == NULL)
goto end;
BN_GENCB_set(cb, genrsa_cb, bio_err);
prog = opt_init(argc, argv, genrsa_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
case OPT_EOF:
case OPT_ERR:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
ret = 0;
opt_help(genrsa_options);
goto end;
case OPT_3:
f4 = 3;
break;
case OPT_F4:
f4 = RSA_F4;
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_ENGINE:
eng = setup_engine(opt_arg(), 0);
break;
case OPT_RAND:
inrand = opt_arg();
break;
case OPT_PASSOUT:
passoutarg = opt_arg();
break;
case OPT_CIPHER:
if (!opt_cipher(opt_unknown(), &enc))
goto end;
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
private = 1;
static ERL_NIF_TERM rsa_generate_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{/* (ModulusSize, PublicExponent) */
int modulus_bits;
BIGNUM *pub_exp, *three;
RSA *rsa;
int success;
ERL_NIF_TERM result;
BN_GENCB *intr_cb;
#ifndef HAVE_OPAQUE_BN_GENCB
BN_GENCB intr_cb_buf;
#endif
if (!enif_get_int(env, argv[0], &modulus_bits) || modulus_bits < 256) {
return enif_make_badarg(env);
}
if (!get_bn_from_bin(env, argv[1], &pub_exp)) {
return enif_make_badarg(env);
}
/* Make sure the public exponent is large enough (at least 3).
* Without this, RSA_generate_key_ex() can run forever. */
three = BN_new();
BN_set_word(three, 3);
success = BN_cmp(pub_exp, three);
BN_free(three);
if (success < 0) {
BN_free(pub_exp);
return enif_make_badarg(env);
}
/* For large keys, prime generation can take many seconds. Set up
* the callback which we use to test whether the process has been
* interrupted. */
#ifdef HAVE_OPAQUE_BN_GENCB
intr_cb = BN_GENCB_new();
#else
intr_cb = &intr_cb_buf;
#endif
BN_GENCB_set(intr_cb, check_erlang_interrupt, env);
rsa = RSA_new();
success = RSA_generate_key_ex(rsa, modulus_bits, pub_exp, intr_cb);
BN_free(pub_exp);
#ifdef HAVE_OPAQUE_BN_GENCB
BN_GENCB_free(intr_cb);
#endif
if (!success) {
RSA_free(rsa);
return atom_error;
}
result = put_rsa_private_key(env, rsa);
RSA_free(rsa);
return result;
}
/*
* Generate and store a private key on the token
* FIXME: We should check first whether the token supports
* on-board key generation, and if it does, use its own algorithm
*/
int pkcs11_generate_key(PKCS11_TOKEN *token, int algorithm, unsigned int bits,
char *label, unsigned char* id, size_t id_len)
{
PKCS11_KEY *key_obj;
EVP_PKEY *pk;
RSA *rsa;
BIO *err;
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
BIGNUM *exp = NULL;
BN_GENCB *gencb = NULL;
#endif
int rc;
if (algorithm != EVP_PKEY_RSA) {
PKCS11err(PKCS11_F_PKCS11_GENERATE_KEY, PKCS11_NOT_SUPPORTED);
return -1;
}
err = BIO_new_fp(stderr, BIO_NOCLOSE);
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
exp = BN_new();
rsa = RSA_new();
gencb = BN_GENCB_new();
if (gencb)
BN_GENCB_set(gencb, NULL, err);
if ( rsa == NULL || exp == NULL || gencb == NULL
|| !BN_set_word(exp, RSA_F4) || !RSA_generate_key_ex(rsa, bits, exp, gencb)) {
RSA_free(rsa);
}
BN_GENCB_free(gencb);
BN_free(exp);
#else
rsa = RSA_generate_key(bits, RSA_F4, NULL, err);
#endif
BIO_free(err);
if (rsa == NULL) {
PKCS11err(PKCS11_F_PKCS11_GENERATE_KEY, PKCS11_KEYGEN_FAILED);
return -1;
}
pk = EVP_PKEY_new();
EVP_PKEY_assign_RSA(pk, rsa);
rc = pkcs11_store_key(token, pk, CKO_PRIVATE_KEY,
label, id, id_len, &key_obj);
if (rc == 0) {
PKCS11_KEY_private *kpriv;
kpriv = PRIVKEY(key_obj);
rc = pkcs11_store_key(token, pk, CKO_PUBLIC_KEY,
label, kpriv->id, kpriv->id_len, NULL);
}
EVP_PKEY_free(pk);
return rc;
}
int
isns_dsa_init_params(const char *filename)
{
FILE *fp;
DSA *dsa;
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
BN_GENCB *cb;
#endif
const int dsa_key_bits = 1024;
if (access(filename, R_OK) == 0)
return 1;
isns_mkdir_recursive(isns_dirname(filename));
if (!(fp = fopen(filename, "w"))) {
isns_error("Unable to open %s: %m\n", filename);
return 0;
}
isns_notice("Generating DSA parameters; this may take a while\n");
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
cb = BN_GENCB_new();
BN_GENCB_set(cb, (int (*)(int, int, BN_GENCB *)) isns_dsa_param_gen_callback, NULL);
dsa = DSA_new();
if (!DSA_generate_parameters_ex(dsa, dsa_key_bits, NULL, 0, NULL, NULL, cb)) {
DSA_free(dsa);
dsa = NULL;
}
BN_GENCB_free(cb);
#else
dsa = DSA_generate_parameters(dsa_key_bits, NULL, 0,
NULL, NULL, isns_dsa_param_gen_callback, NULL);
#endif
write(1, "\n", 1);
if (dsa == NULL) {
isns_dsasig_report_errors("Error generating DSA parameters",
isns_error);
fclose(fp);
return 0;
}
if (!PEM_write_DSAparams(fp, dsa)) {
isns_dsasig_report_errors("Error writing DSA parameters",
isns_error);
DSA_free(dsa);
fclose(fp);
return 0;
}
DSA_free(dsa);
fclose(fp);
return 1;
}
static int dsa_test(void)
{
BN_GENCB *cb;
DSA *dsa = NULL;
int counter, ret = 0, i, j;
unsigned char buf[256];
unsigned long h;
unsigned char sig[256];
unsigned int siglen;
const BIGNUM *p = NULL, *q = NULL, *g = NULL;
if (!TEST_ptr(cb = BN_GENCB_new()))
goto end;
BN_GENCB_set(cb, dsa_cb, NULL);
if (!TEST_ptr(dsa = DSA_new())
|| !TEST_true(DSA_generate_parameters_ex(dsa, 512, seed, 20,
&counter, &h, cb)))
goto end;
if (!TEST_int_eq(counter, 105))
goto end;
if (!TEST_int_eq(h, 2))
goto end;
DSA_get0_pqg(dsa, &p, &q, &g);
i = BN_bn2bin(q, buf);
j = sizeof(out_q);
if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_q, i))
goto end;
i = BN_bn2bin(p, buf);
j = sizeof(out_p);
if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_p, i))
goto end;
i = BN_bn2bin(g, buf);
j = sizeof(out_g);
if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_g, i))
goto end;
DSA_generate_key(dsa);
DSA_sign(0, str1, 20, sig, &siglen, dsa);
if (TEST_true(DSA_verify(0, str1, 20, sig, siglen, dsa)))
ret = 1;
end:
DSA_free(dsa);
BN_GENCB_free(cb);
return ret;
}
static DH *
dh_generate(int size, int gen)
{
struct ossl_generate_cb_arg cb_arg = { 0 };
struct dh_blocking_gen_arg gen_arg;
DH *dh = DH_new();
BN_GENCB *cb = BN_GENCB_new();
if (!dh || !cb) {
DH_free(dh);
BN_GENCB_free(cb);
return NULL;
}
if (rb_block_given_p())
cb_arg.yield = 1;
BN_GENCB_set(cb, ossl_generate_cb_2, &cb_arg);
gen_arg.dh = dh;
gen_arg.size = size;
gen_arg.gen = gen;
gen_arg.cb = cb;
if (cb_arg.yield == 1) {
/* we cannot release GVL when callback proc is supplied */
dh_blocking_gen(&gen_arg);
} else {
/* there's a chance to unblock */
rb_thread_call_without_gvl(dh_blocking_gen, &gen_arg, ossl_generate_cb_stop, &cb_arg);
}
BN_GENCB_free(cb);
if (!gen_arg.result) {
DH_free(dh);
if (cb_arg.state) {
/* Clear OpenSSL error queue before re-raising. */
ossl_clear_error();
rb_jump_tag(cb_arg.state);
}
return NULL;
}
if (!DH_generate_key(dh)) {
DH_free(dh);
return NULL;
}
return dh;
}
NON_EMPTY_TRANSLATION_UNIT
#else
# include <stdio.h>
# include <time.h>
# include "internal/cryptlib.h"
# include <openssl/bn.h>
# include <openssl/rsa.h>
RSA *RSA_generate_key(int bits, unsigned long e_value,
void (*callback) (int, int, void *), void *cb_arg)
{
int i;
BN_GENCB *cb = BN_GENCB_new();
RSA *rsa = RSA_new();
BIGNUM *e = BN_new();
if (cb == NULL || rsa == NULL || e == NULL)
goto err;
/*
* The problem is when building with 8, 16, or 32 BN_ULONG, unsigned long
* can be larger
*/
for (i = 0; i < (int)sizeof(unsigned long) * 8; i++) {
if (e_value & (1UL << i))
if (BN_set_bit(e, i) == 0)
goto err;
}
BN_GENCB_set_old(cb, callback, cb_arg);
if (RSA_generate_key_ex(rsa, bits, e, cb)) {
BN_free(e);
BN_GENCB_free(cb);
return rsa;
}
err:
BN_free(e);
RSA_free(rsa);
BN_GENCB_free(cb);
return 0;
}
NON_EMPTY_TRANSLATION_UNIT
#else
# include <stdio.h>
# include <time.h>
# include "internal/cryptlib.h"
# include <openssl/evp.h>
# include <openssl/bn.h>
# include <openssl/dsa.h>
# include <openssl/sha.h>
DSA *DSA_generate_parameters(int bits,
unsigned char *seed_in, int seed_len,
int *counter_ret, unsigned long *h_ret,
void (*callback) (int, int, void *),
void *cb_arg)
{
BN_GENCB *cb;
DSA *ret;
if ((ret = DSA_new()) == NULL)
return NULL;
cb = BN_GENCB_new();
if (cb == NULL)
goto err;
BN_GENCB_set_old(cb, callback, cb_arg);
if (DSA_generate_parameters_ex(ret, bits, seed_in, seed_len,
counter_ret, h_ret, cb)) {
BN_GENCB_free(cb);
return ret;
}
BN_GENCB_free(cb);
err:
DSA_free(ret);
return NULL;
}
static int pkey_rsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
RSA *rsa = NULL;
RSA_PKEY_CTX *rctx = ctx->data;
BN_GENCB *pcb;
int ret;
if (rctx->pub_exp == NULL) {
rctx->pub_exp = BN_new();
if (rctx->pub_exp == NULL || !BN_set_word(rctx->pub_exp, RSA_F4))
return 0;
}
rsa = RSA_new();
if (rsa == NULL)
return 0;
if (ctx->pkey_gencb) {
pcb = BN_GENCB_new();
if (pcb == NULL) {
RSA_free(rsa);
return 0;
}
evp_pkey_set_cb_translate(pcb, ctx);
} else {
pcb = NULL;
}
ret = RSA_generate_multi_prime_key(rsa, rctx->nbits, rctx->primes,
rctx->pub_exp, pcb);
BN_GENCB_free(pcb);
if (ret > 0 && !rsa_set_pss_param(rsa, ctx)) {
RSA_free(rsa);
return 0;
}
if (ret > 0)
EVP_PKEY_assign(pkey, ctx->pmeth->pkey_id, rsa);
else
RSA_free(rsa);
return ret;
}
int main(int argc, char **argv)
{
BN_GENCB *cb;
DSA *dsa = NULL;
int counter, ret = 0, i, j;
unsigned char buf[256];
unsigned long h;
unsigned char sig[256];
unsigned int siglen;
BIGNUM *p = NULL, *q = NULL, *g = NULL;
if (bio_err == NULL)
bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
CRYPTO_set_mem_debug(1);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
RAND_seed(rnd_seed, sizeof rnd_seed);
BIO_printf(bio_err, "test generation of DSA parameters\n");
cb = BN_GENCB_new();
if (!cb)
goto end;
BN_GENCB_set(cb, dsa_cb, bio_err);
if (((dsa = DSA_new()) == NULL) || !DSA_generate_parameters_ex(dsa, 512,
seed, 20,
&counter,
&h, cb))
goto end;
BIO_printf(bio_err, "seed\n");
for (i = 0; i < 20; i += 4) {
BIO_printf(bio_err, "%02X%02X%02X%02X ",
seed[i], seed[i + 1], seed[i + 2], seed[i + 3]);
}
BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h);
DSA_print(bio_err, dsa, 0);
if (counter != 105) {
BIO_printf(bio_err, "counter should be 105\n");
goto end;
}
if (h != 2) {
BIO_printf(bio_err, "h should be 2\n");
goto end;
}
DSA_get0_pqg(dsa, &p, &q, &g);
i = BN_bn2bin(q, buf);
j = sizeof(out_q);
if ((i != j) || (memcmp(buf, out_q, i) != 0)) {
BIO_printf(bio_err, "q value is wrong\n");
goto end;
}
i = BN_bn2bin(p, buf);
j = sizeof(out_p);
if ((i != j) || (memcmp(buf, out_p, i) != 0)) {
BIO_printf(bio_err, "p value is wrong\n");
goto end;
}
i = BN_bn2bin(g, buf);
j = sizeof(out_g);
if ((i != j) || (memcmp(buf, out_g, i) != 0)) {
BIO_printf(bio_err, "g value is wrong\n");
goto end;
}
DSA_set_flags(dsa, DSA_FLAG_NO_EXP_CONSTTIME);
DSA_generate_key(dsa);
DSA_sign(0, str1, 20, sig, &siglen, dsa);
if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
ret = 1;
DSA_clear_flags(dsa, DSA_FLAG_NO_EXP_CONSTTIME);
DSA_generate_key(dsa);
DSA_sign(0, str1, 20, sig, &siglen, dsa);
if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
ret = 1;
end:
if (!ret)
ERR_print_errors(bio_err);
DSA_free(dsa);
BN_GENCB_free(cb);
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (CRYPTO_mem_leaks(bio_err) <= 0)
ret = 0;
#endif
BIO_free(bio_err);
bio_err = NULL;
EXIT(!ret);
}
static isc_result_t
opensslrsa_generate(dst_key_t *key, int exp, void (*callback)(int)) {
#if OPENSSL_VERSION_NUMBER > 0x00908000L
isc_result_t ret = DST_R_OPENSSLFAILURE;
union {
void *dptr;
void (*fptr)(int);
} u;
RSA *rsa = RSA_new();
BIGNUM *e = BN_new();
#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
BN_GENCB _cb;
#endif
BN_GENCB *cb = BN_GENCB_new();
#if USE_EVP
EVP_PKEY *pkey = EVP_PKEY_new();
#endif
/*
* Reject incorrect RSA key lengths.
*/
switch (key->key_alg) {
case DST_ALG_RSAMD5:
case DST_ALG_RSASHA1:
case DST_ALG_NSEC3RSASHA1:
/* From RFC 3110 */
if (key->key_size > 4096)
goto err;
break;
case DST_ALG_RSASHA256:
/* From RFC 5702 */
if ((key->key_size < 512) ||
(key->key_size > 4096))
goto err;
break;
case DST_ALG_RSASHA512:
/* From RFC 5702 */
if ((key->key_size < 1024) ||
(key->key_size > 4096))
goto err;
break;
default:
INSIST(0);
}
if (rsa == NULL || e == NULL || cb == NULL)
goto err;
#if USE_EVP
if (pkey == NULL)
goto err;
if (!EVP_PKEY_set1_RSA(pkey, rsa))
goto err;
#endif
if (exp == 0) {
/* RSA_F4 0x10001 */
BN_set_bit(e, 0);
BN_set_bit(e, 16);
} else {
/* (phased-out) F5 0x100000001 */
BN_set_bit(e, 0);
BN_set_bit(e, 32);
}
if (callback == NULL) {
BN_GENCB_set_old(cb, NULL, NULL);
} else {
u.fptr = callback;
BN_GENCB_set(cb, &progress_cb, u.dptr);
}
if (RSA_generate_key_ex(rsa, key->key_size, e, cb)) {
BN_free(e);
BN_GENCB_free(cb);
SET_FLAGS(rsa);
#if USE_EVP
key->keydata.pkey = pkey;
RSA_free(rsa);
#else
key->keydata.rsa = rsa;
#endif
return (ISC_R_SUCCESS);
}
BN_GENCB_free(cb);
ret = dst__openssl_toresult2("RSA_generate_key_ex",
DST_R_OPENSSLFAILURE);
err:
#if USE_EVP
if (pkey != NULL)
EVP_PKEY_free(pkey);
#endif
if (e != NULL)
BN_free(e);
if (rsa != NULL)
RSA_free(rsa);
if (cb != NULL)
BN_GENCB_free(cb);
return (dst__openssl_toresult(ret));
#else
RSA *rsa;
unsigned long e;
#if USE_EVP
EVP_PKEY *pkey = EVP_PKEY_new();
UNUSED(callback);
if (pkey == NULL)
return (ISC_R_NOMEMORY);
#else
UNUSED(callback);
#endif
if (exp == 0)
e = RSA_F4;
else
e = 0x40000003;
rsa = RSA_generate_key(key->key_size, e, NULL, NULL);
if (rsa == NULL) {
#if USE_EVP
EVP_PKEY_free(pkey);
#endif
return (dst__openssl_toresult2("RSA_generate_key",
DST_R_OPENSSLFAILURE));
}
SET_FLAGS(rsa);
#if USE_EVP
if (!EVP_PKEY_set1_RSA(pkey, rsa)) {
EVP_PKEY_free(pkey);
RSA_free(rsa);
return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
}
key->keydata.pkey = pkey;
RSA_free(rsa);
#else
key->keydata.rsa = rsa;
#endif
return (ISC_R_SUCCESS);
#endif
}
int MAIN(int argc, char **argv)
{
DSA *dsa = NULL;
int i, badops = 0, text = 0;
BIO *in = NULL, *out = NULL;
int informat, outformat, noout = 0, C = 0, ret = 1;
char *infile, *outfile, *prog, *inrand = NULL;
int numbits = -1, num, genkey = 0;
int need_rand = 0;
int non_fips_allow = 0;
BN_GENCB *cb = NULL;
# ifndef OPENSSL_NO_ENGINE
char *engine = NULL;
# endif
# ifdef GENCB_TEST
int timebomb = 0;
# endif
apps_startup();
if (bio_err == NULL)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
if (!load_config(bio_err, NULL))
goto end;
infile = NULL;
outfile = NULL;
informat = FORMAT_PEM;
outformat = FORMAT_PEM;
prog = argv[0];
argc--;
argv++;
while (argc >= 1) {
if (strcmp(*argv, "-inform") == 0) {
if (--argc < 1)
goto bad;
informat = str2fmt(*(++argv));
} else if (strcmp(*argv, "-outform") == 0) {
if (--argc < 1)
goto bad;
outformat = str2fmt(*(++argv));
} else if (strcmp(*argv, "-in") == 0) {
if (--argc < 1)
goto bad;
infile = *(++argv);
} else if (strcmp(*argv, "-out") == 0) {
if (--argc < 1)
goto bad;
outfile = *(++argv);
}
# ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv, "-engine") == 0) {
if (--argc < 1)
goto bad;
engine = *(++argv);
}
# endif
# ifdef GENCB_TEST
else if (strcmp(*argv, "-timebomb") == 0) {
if (--argc < 1)
goto bad;
timebomb = atoi(*(++argv));
}
# endif
else if (strcmp(*argv, "-text") == 0)
text = 1;
else if (strcmp(*argv, "-C") == 0)
C = 1;
else if (strcmp(*argv, "-genkey") == 0) {
genkey = 1;
need_rand = 1;
} else if (strcmp(*argv, "-rand") == 0) {
if (--argc < 1)
goto bad;
inrand = *(++argv);
need_rand = 1;
} else if (strcmp(*argv, "-noout") == 0)
noout = 1;
else if (strcmp(*argv, "-non-fips-allow") == 0)
non_fips_allow = 1;
else if (sscanf(*argv, "%d", &num) == 1) {
/* generate a key */
numbits = num;
need_rand = 1;
} else {
BIO_printf(bio_err, "unknown option %s\n", *argv);
badops = 1;
break;
}
argc--;
argv++;
}
if (badops) {
bad:
BIO_printf(bio_err, "%s [options] [bits] <infile >outfile\n", prog);
BIO_printf(bio_err, "where options are\n");
BIO_printf(bio_err, " -inform arg input format - DER or PEM\n");
BIO_printf(bio_err, " -outform arg output format - DER or PEM\n");
BIO_printf(bio_err, " -in arg input file\n");
BIO_printf(bio_err, " -out arg output file\n");
BIO_printf(bio_err, " -text print as text\n");
BIO_printf(bio_err, " -C Output C code\n");
BIO_printf(bio_err, " -noout no output\n");
BIO_printf(bio_err, " -genkey generate a DSA key\n");
BIO_printf(bio_err,
" -rand files to use for random number input\n");
# ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err,
" -engine e use engine e, possibly a hardware device.\n");
# endif
# ifdef GENCB_TEST
BIO_printf(bio_err,
" -timebomb n interrupt keygen after <n> seconds\n");
# endif
BIO_printf(bio_err,
" number number of bits to use for generating private key\n");
goto end;
}
ERR_load_crypto_strings();
in = BIO_new(BIO_s_file());
out = BIO_new(BIO_s_file());
if ((in == NULL) || (out == NULL)) {
ERR_print_errors(bio_err);
goto end;
}
if (infile == NULL)
BIO_set_fp(in, stdin, BIO_NOCLOSE);
else {
if (BIO_read_filename(in, infile) <= 0) {
perror(infile);
goto end;
}
}
if (outfile == NULL) {
BIO_set_fp(out, stdout, BIO_NOCLOSE);
# ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
# endif
} else {
if (BIO_write_filename(out, outfile) <= 0) {
perror(outfile);
goto end;
}
}
# ifndef OPENSSL_NO_ENGINE
setup_engine(bio_err, engine, 0);
# endif
if (need_rand) {
app_RAND_load_file(NULL, bio_err, (inrand != NULL));
if (inrand != NULL)
BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
}
if (numbits > 0) {
cb = BN_GENCB_new();
if (!cb) {
BIO_printf(bio_err, "Error allocating BN_GENCB object\n");
goto end;
}
BN_GENCB_set(cb, dsa_cb, bio_err);
assert(need_rand);
dsa = DSA_new();
if (!dsa) {
BIO_printf(bio_err, "Error allocating DSA object\n");
goto end;
}
if (non_fips_allow)
dsa->flags |= DSA_FLAG_NON_FIPS_ALLOW;
BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n",
num);
BIO_printf(bio_err, "This could take some time\n");
# ifdef GENCB_TEST
if (timebomb > 0) {
struct sigaction act;
act.sa_handler = timebomb_sigalarm;
act.sa_flags = 0;
BIO_printf(bio_err,
"(though I'll stop it if not done within %d secs)\n",
timebomb);
if (sigaction(SIGALRM, &act, NULL) != 0) {
BIO_printf(bio_err, "Error, couldn't set SIGALRM handler\n");
goto end;
}
alarm(timebomb);
}
# endif
if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) {
# ifdef GENCB_TEST
if (stop_keygen_flag) {
BIO_printf(bio_err, "DSA key generation time-stopped\n");
/* This is an asked-for behaviour! */
ret = 0;
goto end;
}
# endif
ERR_print_errors(bio_err);
BIO_printf(bio_err, "Error, DSA key generation failed\n");
goto end;
}
} else if (informat == FORMAT_ASN1)
dsa = d2i_DSAparams_bio(in, NULL);
else if (informat == FORMAT_PEM)
dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
else {
BIO_printf(bio_err, "bad input format specified\n");
goto end;
}
if (dsa == NULL) {
BIO_printf(bio_err, "unable to load DSA parameters\n");
ERR_print_errors(bio_err);
goto end;
}
if (text) {
DSAparams_print(out, dsa);
}
if (C) {
unsigned char *data;
int l, len, bits_p;
len = BN_num_bytes(dsa->p);
bits_p = BN_num_bits(dsa->p);
data = (unsigned char *)OPENSSL_malloc(len + 20);
if (data == NULL) {
perror("OPENSSL_malloc");
goto end;
}
l = BN_bn2bin(dsa->p, data);
printf("static unsigned char dsa%d_p[]={", bits_p);
for (i = 0; i < l; i++) {
if ((i % 12) == 0)
printf("\n\t");
printf("0x%02X,", data[i]);
}
printf("\n\t};\n");
l = BN_bn2bin(dsa->q, data);
printf("static unsigned char dsa%d_q[]={", bits_p);
for (i = 0; i < l; i++) {
if ((i % 12) == 0)
printf("\n\t");
printf("0x%02X,", data[i]);
}
printf("\n\t};\n");
l = BN_bn2bin(dsa->g, data);
printf("static unsigned char dsa%d_g[]={", bits_p);
for (i = 0; i < l; i++) {
if ((i % 12) == 0)
printf("\n\t");
printf("0x%02X,", data[i]);
}
printf("\n\t};\n\n");
printf("DSA *get_dsa%d()\n\t{\n", bits_p);
printf("\tDSA *dsa;\n\n");
printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
bits_p, bits_p);
printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
bits_p, bits_p);
printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
bits_p, bits_p);
printf
("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
printf("\treturn(dsa);\n\t}\n");
}
if (!noout) {
if (outformat == FORMAT_ASN1)
i = i2d_DSAparams_bio(out, dsa);
else if (outformat == FORMAT_PEM)
i = PEM_write_bio_DSAparams(out, dsa);
else {
BIO_printf(bio_err, "bad output format specified for outfile\n");
goto end;
}
if (!i) {
BIO_printf(bio_err, "unable to write DSA parameters\n");
ERR_print_errors(bio_err);
goto end;
}
}
if (genkey) {
DSA *dsakey;
assert(need_rand);
if ((dsakey = DSAparams_dup(dsa)) == NULL)
goto end;
if (non_fips_allow)
dsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW;
if (!DSA_generate_key(dsakey)) {
ERR_print_errors(bio_err);
DSA_free(dsakey);
goto end;
}
if (outformat == FORMAT_ASN1)
i = i2d_DSAPrivateKey_bio(out, dsakey);
else if (outformat == FORMAT_PEM)
i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL,
NULL);
else {
BIO_printf(bio_err, "bad output format specified for outfile\n");
DSA_free(dsakey);
goto end;
}
DSA_free(dsakey);
}
if (need_rand)
app_RAND_write_file(NULL, bio_err);
ret = 0;
end:
if (cb != NULL)
BN_GENCB_free(cb);
if (in != NULL)
BIO_free(in);
if (out != NULL)
BIO_free_all(out);
if (dsa != NULL)
DSA_free(dsa);
apps_shutdown();
OPENSSL_EXIT(ret);
}
static isc_result_t
openssldh_generate(dst_key_t *key, int generator, void (*callback)(int)) {
DH *dh = NULL;
#if OPENSSL_VERSION_NUMBER > 0x00908000L
BN_GENCB *cb;
#if OPENSSL_VERSION_NUMBER < 0x10100000L
BN_GENCB _cb;
#endif
union {
void *dptr;
void (*fptr)(int);
} u;
#else
UNUSED(callback);
#endif
if (generator == 0) {
if (key->key_size == 768 ||
key->key_size == 1024 ||
key->key_size == 1536)
{
dh = DH_new();
if (dh == NULL)
return (dst__openssl_toresult(ISC_R_NOMEMORY));
if (key->key_size == 768)
dh->p = bn768;
else if (key->key_size == 1024)
dh->p = bn1024;
else
dh->p = bn1536;
dh->g = bn2;
} else
generator = 2;
}
if (generator != 0) {
#if OPENSSL_VERSION_NUMBER > 0x00908000L
dh = DH_new();
if (dh == NULL)
return (dst__openssl_toresult(ISC_R_NOMEMORY));
cb = BN_GENCB_new();
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
if (cb == NULL) {
DH_free(dh);
return (dst__openssl_toresult(ISC_R_NOMEMORY));
}
#endif
if (callback == NULL) {
BN_GENCB_set_old(cb, NULL, NULL);
} else {
u.fptr = callback;
BN_GENCB_set(cb, &progress_cb, u.dptr);
}
if (!DH_generate_parameters_ex(dh, key->key_size, generator,
cb)) {
DH_free(dh);
BN_GENCB_free(cb);
return (dst__openssl_toresult2(
"DH_generate_parameters_ex",
DST_R_OPENSSLFAILURE));
}
BN_GENCB_free(cb);
#else
dh = DH_generate_parameters(key->key_size, generator,
NULL, NULL);
if (dh == NULL)
return (dst__openssl_toresult2(
"DH_generate_parameters",
DST_R_OPENSSLFAILURE));
#endif
}
if (DH_generate_key(dh) == 0) {
DH_free(dh);
return (dst__openssl_toresult2("DH_generate_key",
DST_R_OPENSSLFAILURE));
}
dh->flags &= ~DH_FLAG_CACHE_MONT_P;
key->keydata.dh = dh;
return (ISC_R_SUCCESS);
}
int MAIN(int argc, char **argv)
{
BN_GENCB *cb = NULL;
# ifndef OPENSSL_NO_ENGINE
ENGINE *e = NULL;
# endif
int ret = 1;
int non_fips_allow = 0;
int num = DEFBITS;
const EVP_CIPHER *enc = NULL;
unsigned long f4 = RSA_F4;
char *outfile = NULL;
char *passargout = NULL, *passout = NULL;
char *hexe, *dece;
# ifndef OPENSSL_NO_ENGINE
char *engine = NULL;
# endif
char *inrand = NULL;
BIO *out = NULL;
BIGNUM *bn = BN_new();
RSA *rsa = NULL;
if (!bn)
goto err;
cb = BN_GENCB_new();
if (!cb)
goto err;
apps_startup();
BN_GENCB_set(cb, genrsa_cb, bio_err);
if (bio_err == NULL)
if ((bio_err = BIO_new(BIO_s_file())) != NULL)
BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
if (!load_config(bio_err, NULL))
goto err;
if ((out = BIO_new(BIO_s_file())) == NULL) {
BIO_printf(bio_err, "unable to create BIO for output\n");
goto err;
}
argv++;
argc--;
for (;;) {
if (argc <= 0)
break;
if (strcmp(*argv, "-out") == 0) {
if (--argc < 1)
goto bad;
outfile = *(++argv);
} else if (strcmp(*argv, "-3") == 0)
f4 = 3;
else if (strcmp(*argv, "-F4") == 0 || strcmp(*argv, "-f4") == 0)
f4 = RSA_F4;
# ifndef OPENSSL_NO_ENGINE
else if (strcmp(*argv, "-engine") == 0) {
if (--argc < 1)
goto bad;
engine = *(++argv);
}
# endif
else if (strcmp(*argv, "-rand") == 0) {
if (--argc < 1)
goto bad;
inrand = *(++argv);
}
# ifndef OPENSSL_NO_DES
else if (strcmp(*argv, "-des") == 0)
enc = EVP_des_cbc();
else if (strcmp(*argv, "-des3") == 0)
enc = EVP_des_ede3_cbc();
# endif
# ifndef OPENSSL_NO_IDEA
else if (strcmp(*argv, "-idea") == 0)
enc = EVP_idea_cbc();
# endif
# ifndef OPENSSL_NO_SEED
else if (strcmp(*argv, "-seed") == 0)
enc = EVP_seed_cbc();
# endif
# ifndef OPENSSL_NO_AES
else if (strcmp(*argv, "-aes128") == 0)
enc = EVP_aes_128_cbc();
else if (strcmp(*argv, "-aes192") == 0)
enc = EVP_aes_192_cbc();
else if (strcmp(*argv, "-aes256") == 0)
enc = EVP_aes_256_cbc();
# endif
# ifndef OPENSSL_NO_CAMELLIA
else if (strcmp(*argv, "-camellia128") == 0)
enc = EVP_camellia_128_cbc();
else if (strcmp(*argv, "-camellia192") == 0)
enc = EVP_camellia_192_cbc();
else if (strcmp(*argv, "-camellia256") == 0)
enc = EVP_camellia_256_cbc();
# endif
else if (strcmp(*argv, "-passout") == 0) {
if (--argc < 1)
goto bad;
passargout = *(++argv);
} else if (strcmp(*argv, "-non-fips-allow") == 0)
non_fips_allow = 1;
else
break;
argv++;
argc--;
}
if ((argc >= 1) && ((sscanf(*argv, "%d", &num) == 0) || (num < 0))) {
bad:
BIO_printf(bio_err, "usage: genrsa [args] [numbits]\n");
BIO_printf(bio_err,
" -des encrypt the generated key with DES in cbc mode\n");
BIO_printf(bio_err,
" -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
# ifndef OPENSSL_NO_IDEA
BIO_printf(bio_err,
" -idea encrypt the generated key with IDEA in cbc mode\n");
# endif
# ifndef OPENSSL_NO_SEED
BIO_printf(bio_err, " -seed\n");
BIO_printf(bio_err,
" encrypt PEM output with cbc seed\n");
# endif
# ifndef OPENSSL_NO_AES
BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
BIO_printf(bio_err,
" encrypt PEM output with cbc aes\n");
# endif
# ifndef OPENSSL_NO_CAMELLIA
BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
BIO_printf(bio_err,
" encrypt PEM output with cbc camellia\n");
# endif
BIO_printf(bio_err, " -out file output the key to 'file\n");
BIO_printf(bio_err,
" -passout arg output file pass phrase source\n");
BIO_printf(bio_err,
" -f4 use F4 (0x10001) for the E value\n");
BIO_printf(bio_err, " -3 use 3 for the E value\n");
# ifndef OPENSSL_NO_ENGINE
BIO_printf(bio_err,
" -engine e use engine e, possibly a hardware device.\n");
# endif
BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
LIST_SEPARATOR_CHAR);
BIO_printf(bio_err,
" load the file (or the files in the directory) into\n");
BIO_printf(bio_err, " the random number generator\n");
goto err;
}
ERR_load_crypto_strings();
if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
BIO_printf(bio_err, "Error getting password\n");
goto err;
}
# ifndef OPENSSL_NO_ENGINE
e = setup_engine(bio_err, engine, 0);
# endif
if (outfile == NULL) {
BIO_set_fp(out, stdout, BIO_NOCLOSE);
# ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
out = BIO_push(tmpbio, out);
}
# endif
} else {
if (BIO_write_filename(out, outfile) <= 0) {
perror(outfile);
goto err;
}
}
if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
&& !RAND_status()) {
BIO_printf(bio_err,
"warning, not much extra random data, consider using the -rand option\n");
}
if (inrand != NULL)
BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
BIO_printf(bio_err, "Generating RSA private key, %d bit long modulus\n",
num);
# ifdef OPENSSL_NO_ENGINE
rsa = RSA_new();
# else
rsa = RSA_new_method(e);
# endif
if (!rsa)
goto err;
if (non_fips_allow)
rsa->flags |= RSA_FLAG_NON_FIPS_ALLOW;
if (!BN_set_word(bn, f4) || !RSA_generate_key_ex(rsa, num, bn, cb))
goto err;
app_RAND_write_file(NULL, bio_err);
hexe = BN_bn2hex(rsa->e);
dece = BN_bn2dec(rsa->e);
if (hexe && dece) {
BIO_printf(bio_err, "e is %s (0x%s)\n", dece, hexe);
}
if (hexe)
OPENSSL_free(hexe);
if (dece)
OPENSSL_free(dece);
{
PW_CB_DATA cb_data;
cb_data.password = passout;
cb_data.prompt_info = outfile;
if (!PEM_write_bio_RSAPrivateKey(out, rsa, enc, NULL, 0,
(pem_password_cb *)password_callback,
&cb_data))
goto err;
}
ret = 0;
err:
if (bn)
BN_free(bn);
if (cb)
BN_GENCB_free(cb);
RSA_free(rsa);
BIO_free_all(out);
if (passout)
OPENSSL_free(passout);
if (ret != 0)
ERR_print_errors(bio_err);
apps_shutdown();
OPENSSL_EXIT(ret);
}
int dhparam_main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
DH *dh = NULL;
char *infile = NULL, *outfile = NULL, *prog;
ENGINE *e = NULL;
#ifndef OPENSSL_NO_DSA
int dsaparam = 0;
#endif
int i, text = 0, C = 0, ret = 1, num = 0, g = 0;
int informat = FORMAT_PEM, outformat = FORMAT_PEM, check = 0, noout = 0;
OPTION_CHOICE o;
prog = opt_init(argc, argv, dhparam_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(dhparam_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
goto opthelp;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_ENGINE:
e = setup_engine(opt_arg(), 0);
break;
case OPT_CHECK:
check = 1;
break;
case OPT_TEXT:
text = 1;
break;
case OPT_DSAPARAM:
#ifndef OPENSSL_NO_DSA
dsaparam = 1;
#endif
break;
case OPT_C:
C = 1;
break;
case OPT_2:
g = 2;
break;
case OPT_5:
g = 5;
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_R_CASES:
if (!opt_rand(o))
goto end;
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
if (argv[0] != NULL && (!opt_int(argv[0], &num) || num <= 0))
goto end;
if (g && !num)
num = DEFBITS;
# ifndef OPENSSL_NO_DSA
if (dsaparam && g) {
BIO_printf(bio_err,
"generator may not be chosen for DSA parameters\n");
goto end;
}
# 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 (dsaparam) {
DSA *dsa = DSA_new();
BIO_printf(bio_err,
"Generating DSA parameters, %d bit long prime\n", num);
if (dsa == NULL
|| !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL,
cb)) {
DSA_free(dsa);
BN_GENCB_free(cb);
ERR_print_errors(bio_err);
goto end;
}
dh = DSA_dup_DH(dsa);
DSA_free(dsa);
if (dh == NULL) {
BN_GENCB_free(cb);
ERR_print_errors(bio_err);
goto end;
}
} else
# endif
{
dh = DH_new();
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);
ERR_print_errors(bio_err);
goto end;
}
}
BN_GENCB_free(cb);
} else {
in = bio_open_default(infile, 'r', informat);
if (in == NULL)
goto end;
# ifndef OPENSSL_NO_DSA
if (dsaparam) {
DSA *dsa;
if (informat == FORMAT_ASN1)
dsa = d2i_DSAparams_bio(in, NULL);
else /* informat == FORMAT_PEM */
dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
if (dsa == NULL) {
BIO_printf(bio_err, "unable to load DSA parameters\n");
ERR_print_errors(bio_err);
goto end;
}
dh = DSA_dup_DH(dsa);
DSA_free(dsa);
if (dh == NULL) {
ERR_print_errors(bio_err);
goto end;
}
} else
# 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);
/* BIO_reset() returns 0 for success for file BIOs only!!! */
if (dh == NULL && BIO_reset(in) == 0)
dh = d2i_DHxparams_bio(in, NULL);
} else {
/* informat == FORMAT_PEM */
dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
}
if (dh == NULL) {
BIO_printf(bio_err, "unable to load DH parameters\n");
ERR_print_errors(bio_err);
goto end;
}
}
/* dh != NULL */
}
if (text) {
DHparams_print(out, dh);
}
if (check) {
if (!DH_check(dh, &i)) {
ERR_print_errors(bio_err);
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) {
/*
* We have generated parameters but DH_check() indicates they are
* invalid! This should never happen!
*/
BIO_printf(bio_err, "ERROR: Invalid parameters generated\n");
goto end;
}
}
if (C) {
unsigned char *data;
int len, bits;
const BIGNUM *pbn, *gbn;
len = DH_size(dh);
bits = DH_bits(dh);
DH_get0_pqg(dh, &pbn, NULL, &gbn);
data = app_malloc(len, "print a BN");
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 *p, *g;\n"
"\n"
" if (dh == NULL)\n"
" return NULL;\n");
BIO_printf(out, " p = BN_bin2bn(dhp_%d, sizeof(dhp_%d), NULL);\n",
bits, bits);
BIO_printf(out, " g = BN_bin2bn(dhg_%d, sizeof(dhg_%d), NULL);\n",
bits, bits);
BIO_printf(out, " if (p == NULL || g == NULL\n"
" || !DH_set0_pqg(dh, p, NULL, g)) {\n"
" DH_free(dh);\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);
}
if (!noout) {
const BIGNUM *q;
DH_get0_pqg(dh, NULL, &q, NULL);
if (outformat == FORMAT_ASN1) {
if (q != NULL)
i = i2d_DHxparams_bio(out, dh);
else
i = i2d_DHparams_bio(out, dh);
} else if (q != NULL) {
i = PEM_write_bio_DHxparams(out, dh);
} else {
i = PEM_write_bio_DHparams(out, dh);
}
if (!i) {
BIO_printf(bio_err, "unable to write DH parameters\n");
ERR_print_errors(bio_err);
goto end;
}
}
ret = 0;
end:
BIO_free(in);
BIO_free_all(out);
DH_free(dh);
release_engine(e);
return ret;
}
int main(int argc, char **argv)
{
BN_GENCB *cb;
DSA *dsa = NULL;
int counter, ret = 0, i, j;
unsigned char buf[256];
unsigned long h;
unsigned char sig[256];
unsigned int siglen;
if (bio_err == NULL)
bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
CRYPTO_set_mem_debug(1);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
ERR_load_crypto_strings();
RAND_seed(rnd_seed, sizeof rnd_seed);
BIO_printf(bio_err, "test generation of DSA parameters\n");
cb = BN_GENCB_new();
if (!cb)
goto end;
BN_GENCB_set(cb, dsa_cb, bio_err);
if (((dsa = DSA_new()) == NULL) || !DSA_generate_parameters_ex(dsa, 512,
seed, 20,
&counter,
&h, cb))
goto end;
BIO_printf(bio_err, "seed\n");
for (i = 0; i < 20; i += 4) {
BIO_printf(bio_err, "%02X%02X%02X%02X ",
seed[i], seed[i + 1], seed[i + 2], seed[i + 3]);
}
BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h);
DSA_print(bio_err, dsa, 0);
if (counter != 105) {
BIO_printf(bio_err, "counter should be 105\n");
goto end;
}
if (h != 2) {
BIO_printf(bio_err, "h should be 2\n");
goto end;
}
i = BN_bn2bin(dsa->q, buf);
j = sizeof(out_q);
if ((i != j) || (memcmp(buf, out_q, i) != 0)) {
BIO_printf(bio_err, "q value is wrong\n");
goto end;
}
i = BN_bn2bin(dsa->p, buf);
j = sizeof(out_p);
if ((i != j) || (memcmp(buf, out_p, i) != 0)) {
BIO_printf(bio_err, "p value is wrong\n");
goto end;
}
i = BN_bn2bin(dsa->g, buf);
j = sizeof(out_g);
if ((i != j) || (memcmp(buf, out_g, i) != 0)) {
BIO_printf(bio_err, "g value is wrong\n");
goto end;
}
dsa->flags |= DSA_FLAG_NO_EXP_CONSTTIME;
DSA_generate_key(dsa);
DSA_sign(0, str1, 20, sig, &siglen, dsa);
if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
ret = 1;
dsa->flags &= ~DSA_FLAG_NO_EXP_CONSTTIME;
DSA_generate_key(dsa);
DSA_sign(0, str1, 20, sig, &siglen, dsa);
if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
ret = 1;
end:
if (!ret)
ERR_print_errors(bio_err);
DSA_free(dsa);
BN_GENCB_free(cb);
CRYPTO_cleanup_all_ex_data();
ERR_remove_thread_state(NULL);
ERR_free_strings();
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
CRYPTO_mem_leaks(bio_err);
#endif
BIO_free(bio_err);
bio_err = NULL;
# ifdef OPENSSL_SYS_NETWARE
if (!ret)
printf("ERROR\n");
# endif
EXIT(!ret);
}
int dhparam_main(int argc, char **argv)
{
BIO *in = NULL, *out = NULL;
DH *dh = NULL;
char *infile = NULL, *outfile = NULL, *prog, *inrand = NULL;
#ifndef OPENSSL_NO_DSA
int dsaparam = 0;
#endif
int i, text = 0, C = 0, ret = 1, num = 0, g = 0;
int informat = FORMAT_PEM, outformat = FORMAT_PEM, check = 0, noout = 0;
OPTION_CHOICE o;
prog = opt_init(argc, argv, dhparam_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(dhparam_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
goto opthelp;
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
goto opthelp;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_ENGINE:
(void)setup_engine(opt_arg(), 0);
break;
case OPT_CHECK:
check = 1;
break;
case OPT_TEXT:
text = 1;
break;
case OPT_DSAPARAM:
#ifndef OPENSSL_NO_DSA
dsaparam = 1;
#endif
break;
case OPT_C:
C = 1;
break;
case OPT_2:
g = 2;
break;
case OPT_5:
g = 5;
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_RAND:
inrand = opt_arg();
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
if (argv[0] && (!opt_int(argv[0], &num) || num <= 0))
goto end;
if (g && !num)
num = DEFBITS;
# ifndef OPENSSL_NO_DSA
if (dsaparam && g) {
BIO_printf(bio_err,
"generator may not be chosen for DSA parameters\n");
goto end;
}
# endif
/* 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);
if (!app_RAND_load_file(NULL, 1) && inrand == NULL) {
BIO_printf(bio_err,
"warning, not much extra random data, consider using the -rand option\n");
}
if (inrand != NULL)
BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
# ifndef OPENSSL_NO_DSA
if (dsaparam) {
DSA *dsa = DSA_new();
BIO_printf(bio_err,
"Generating DSA parameters, %d bit long prime\n", num);
if (dsa == NULL
|| !DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL,
cb)) {
DSA_free(dsa);
BN_GENCB_free(cb);
ERR_print_errors(bio_err);
goto end;
}
dh = DSA_dup_DH(dsa);
DSA_free(dsa);
if (dh == NULL) {
BN_GENCB_free(cb);
ERR_print_errors(bio_err);
goto end;
}
} else
# endif
{
dh = DH_new();
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);
ERR_print_errors(bio_err);
goto end;
}
}
BN_GENCB_free(cb);
app_RAND_write_file(NULL);
} else {
in = bio_open_default(infile, 'r', informat);
if (in == NULL)
goto end;
# ifndef OPENSSL_NO_DSA
if (dsaparam) {
DSA *dsa;
if (informat == FORMAT_ASN1)
dsa = d2i_DSAparams_bio(in, NULL);
else /* informat == FORMAT_PEM */
dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
if (dsa == NULL) {
BIO_printf(bio_err, "unable to load DSA parameters\n");
ERR_print_errors(bio_err);
goto end;
}
dh = DSA_dup_DH(dsa);
DSA_free(dsa);
if (dh == NULL) {
ERR_print_errors(bio_err);
goto end;
}
} else
# endif
{
if (informat == FORMAT_ASN1)
dh = d2i_DHparams_bio(in, NULL);
else /* informat == FORMAT_PEM */
dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
if (dh == NULL) {
BIO_printf(bio_err, "unable to load DH parameters\n");
ERR_print_errors(bio_err);
goto end;
}
}
/* dh != NULL */
}
out = bio_open_default(outfile, 'w', outformat);
if (out == NULL)
goto end;
if (text) {
DHparams_print(out, dh);
}
if (check) {
if (!DH_check(dh, &i)) {
ERR_print_errors(bio_err);
goto end;
}
if (i & DH_CHECK_P_NOT_PRIME)
printf("p value is not prime\n");
if (i & DH_CHECK_P_NOT_SAFE_PRIME)
printf("p value is not a safe prime\n");
if (i & DH_UNABLE_TO_CHECK_GENERATOR)
printf("unable to check the generator value\n");
if (i & DH_NOT_SUITABLE_GENERATOR)
printf("the g value is not a generator\n");
if (i == 0)
printf("DH parameters appear to be ok.\n");
}
if (C) {
unsigned char *data;
int len, bits;
len = BN_num_bytes(dh->p);
bits = BN_num_bits(dh->p);
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);
print_bignum_var(out, dh->p, "dhp", bits, data);
print_bignum_var(out, dh->g, "dhg", bits, data);
BIO_printf(out, " DH *dh = DN_new();\n"
"\n"
" if (dh == NULL)\n"
" return NULL;\n");
BIO_printf(out, " dh->p = BN_bin2bn(dhp_%d, sizeof (dhp_%d), NULL);\n",
bits, bits);
BIO_printf(out, " dh->g = BN_bin2bn(dhg_%d, sizeof (dhg_%d), NULL);\n",
bits, bits);
BIO_printf(out, " if (!dh->p || !dh->g) {\n"
" DH_free(dh);\n"
" return NULL;\n"
" }\n");
if (dh->length)
BIO_printf(out,
" dh->length = %ld;\n", dh->length);
BIO_printf(out, " return dh;\n}\n");
OPENSSL_free(data);
}
if (!noout) {
if (outformat == FORMAT_ASN1)
i = i2d_DHparams_bio(out, dh);
else if (dh->q)
i = PEM_write_bio_DHxparams(out, dh);
else
i = PEM_write_bio_DHparams(out, dh);
if (!i) {
BIO_printf(bio_err, "unable to write DH parameters\n");
ERR_print_errors(bio_err);
goto end;
}
}
ret = 0;
end:
BIO_free(in);
BIO_free_all(out);
DH_free(dh);
return (ret);
}
int main(int argc, char *argv[])
{
BN_GENCB *_cb = NULL;
DH *a = NULL;
DH *b = NULL;
BIGNUM *ap = NULL, *ag = NULL, *bp = NULL, *bg = NULL, *apub_key = NULL;
BIGNUM *bpub_key = NULL, *priv_key = NULL;
char buf[12] = {0};
unsigned char *abuf = NULL;
unsigned char *bbuf = NULL;
int i, alen, blen, aout, bout;
int ret = 1;
BIO *out = NULL;
CRYPTO_set_mem_debug(1);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
RAND_seed(rnd_seed, sizeof rnd_seed);
out = BIO_new(BIO_s_file());
if (out == NULL)
EXIT(1);
BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
_cb = BN_GENCB_new();
if (_cb == NULL)
goto err;
BN_GENCB_set(_cb, &cb, out);
if (((a = DH_new()) == NULL)
|| (!DH_generate_parameters_ex(a, 64, DH_GENERATOR_5, _cb)))
goto err;
if (!DH_check(a, &i))
goto err;
if (i & DH_CHECK_P_NOT_PRIME)
BIO_puts(out, "p value is not prime\n");
if (i & DH_CHECK_P_NOT_SAFE_PRIME)
BIO_puts(out, "p value is not a safe prime\n");
if (i & DH_UNABLE_TO_CHECK_GENERATOR)
BIO_puts(out, "unable to check the generator value\n");
if (i & DH_NOT_SUITABLE_GENERATOR)
BIO_puts(out, "the g value is not a generator\n");
DH_get0_pqg(a, &ap, NULL, &ag);
BIO_puts(out, "\np =");
BN_print(out, ap);
BIO_puts(out, "\ng =");
BN_print(out, ag);
BIO_puts(out, "\n");
b = DH_new();
if (b == NULL)
goto err;
bp = BN_dup(ap);
bg = BN_dup(ag);
if ((bp == NULL) || (bg == NULL) || !DH_set0_pqg(b, bp, NULL, bg))
goto err;
bp = bg = NULL;
if (!DH_generate_key(a))
goto err;
DH_get0_key(a, &apub_key, &priv_key);
BIO_puts(out, "pri 1=");
BN_print(out, priv_key);
BIO_puts(out, "\npub 1=");
BN_print(out, apub_key);
BIO_puts(out, "\n");
if (!DH_generate_key(b))
goto err;
DH_get0_key(b, &bpub_key, &priv_key);
BIO_puts(out, "pri 2=");
BN_print(out, priv_key);
BIO_puts(out, "\npub 2=");
BN_print(out, bpub_key);
BIO_puts(out, "\n");
alen = DH_size(a);
abuf = OPENSSL_malloc(alen);
if (abuf == NULL)
goto err;
aout = DH_compute_key(abuf, bpub_key, a);
BIO_puts(out, "key1 =");
for (i = 0; i < aout; i++) {
sprintf(buf, "%02X", abuf[i]);
BIO_puts(out, buf);
}
BIO_puts(out, "\n");
blen = DH_size(b);
bbuf = OPENSSL_malloc(blen);
if (bbuf == NULL)
goto err;
bout = DH_compute_key(bbuf, apub_key, b);
BIO_puts(out, "key2 =");
for (i = 0; i < bout; i++) {
sprintf(buf, "%02X", bbuf[i]);
BIO_puts(out, buf);
}
BIO_puts(out, "\n");
if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) {
fprintf(stderr, "Error in DH routines\n");
ret = 1;
} else
ret = 0;
if (!run_rfc5114_tests())
ret = 1;
err:
(void)BIO_flush(out);
ERR_print_errors_fp(stderr);
OPENSSL_free(abuf);
OPENSSL_free(bbuf);
DH_free(b);
DH_free(a);
BN_free(bp);
BN_free(bg);
BN_GENCB_free(_cb);
BIO_free(out);
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (CRYPTO_mem_leaks_fp(stderr) <= 0)
ret = 1;
#endif
EXIT(ret);
}
int dsaparam_main(int argc, char **argv)
{
DSA *dsa = NULL;
BIO *in = NULL, *out = NULL;
BN_GENCB *cb = NULL;
int numbits = -1, num, genkey = 0, need_rand = 0, non_fips_allow = 0;
int informat = FORMAT_PEM, outformat = FORMAT_PEM, noout = 0, C = 0, ret =
1;
int i, text = 0;
# ifdef GENCB_TEST
int timebomb = 0;
# endif
char *infile = NULL, *outfile = NULL, *prog, *inrand = NULL;
OPTION_CHOICE o;
prog = opt_init(argc, argv, dsaparam_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(dsaparam_options);
ret = 0;
goto end;
case OPT_INFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
goto opthelp;
break;
case OPT_IN:
infile = opt_arg();
break;
case OPT_OUTFORM:
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
goto opthelp;
break;
case OPT_OUT:
outfile = opt_arg();
break;
case OPT_ENGINE:
(void)setup_engine(opt_arg(), 0);
break;
case OPT_TIMEBOMB:
# ifdef GENCB_TEST
timebomb = atoi(opt_arg());
break;
# endif
case OPT_TEXT:
text = 1;
break;
case OPT_C:
C = 1;
break;
case OPT_GENKEY:
genkey = need_rand = 1;
break;
case OPT_RAND:
inrand = opt_arg();
need_rand = 1;
break;
case OPT_NOOUT:
noout = 1;
break;
case OPT_NON_FIPS_ALLOW:
non_fips_allow = 1;
break;
}
}
argc = opt_num_rest();
argv = opt_rest();
if (argc == 1) {
if (!opt_int(argv[0], &num))
goto end;
/* generate a key */
numbits = num;
need_rand = 1;
}
in = bio_open_default(infile, "r");
if (in == NULL)
goto end;
out = bio_open_default(outfile, "w");
if (out == NULL)
goto end;
if (need_rand) {
app_RAND_load_file(NULL, (inrand != NULL));
if (inrand != NULL)
BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
app_RAND_load_files(inrand));
}
if (numbits > 0) {
cb = BN_GENCB_new();
if (!cb) {
BIO_printf(bio_err, "Error allocating BN_GENCB object\n");
goto end;
}
BN_GENCB_set(cb, dsa_cb, bio_err);
assert(need_rand);
dsa = DSA_new();
if (!dsa) {
BIO_printf(bio_err, "Error allocating DSA object\n");
goto end;
}
if (non_fips_allow)
dsa->flags |= DSA_FLAG_NON_FIPS_ALLOW;
BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n",
num);
BIO_printf(bio_err, "This could take some time\n");
# ifdef GENCB_TEST
if (timebomb > 0) {
struct sigaction act;
act.sa_handler = timebomb_sigalarm;
act.sa_flags = 0;
BIO_printf(bio_err,
"(though I'll stop it if not done within %d secs)\n",
timebomb);
if (sigaction(SIGALRM, &act, NULL) != 0) {
BIO_printf(bio_err, "Error, couldn't set SIGALRM handler\n");
goto end;
}
alarm(timebomb);
}
# endif
if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, cb)) {
# ifdef GENCB_TEST
if (stop_keygen_flag) {
BIO_printf(bio_err, "DSA key generation time-stopped\n");
/* This is an asked-for behaviour! */
ret = 0;
goto end;
}
# endif
ERR_print_errors(bio_err);
BIO_printf(bio_err, "Error, DSA key generation failed\n");
goto end;
}
} else if (informat == FORMAT_ASN1)
dsa = d2i_DSAparams_bio(in, NULL);
else
dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
if (dsa == NULL) {
BIO_printf(bio_err, "unable to load DSA parameters\n");
ERR_print_errors(bio_err);
goto end;
}
if (text) {
DSAparams_print(out, dsa);
}
if (C) {
unsigned char *data;
int len, bits_p;
len = BN_num_bytes(dsa->p);
bits_p = BN_num_bits(dsa->p);
data = (unsigned char *)OPENSSL_malloc(len + 20);
if (data == NULL) {
perror("OPENSSL_malloc");
goto end;
}
BIO_printf(bio_out, "DSA *get_dsa%d()\n{\n", bits_p);
print_bignum_var(bio_out, dsa->p, "dsap", len, data);
print_bignum_var(bio_out, dsa->q, "dsaq", len, data);
print_bignum_var(bio_out, dsa->g, "dsag", len, data);
BIO_printf(bio_out, " DSA *dsa = DSA_new();\n"
"\n");
BIO_printf(bio_out, " if (dsa == NULL)\n"
" return NULL;\n");
BIO_printf(bio_out, " dsa->p = BN_bin2bn(dsap_%d, sizeof (dsap_%d), NULL);\n",
bits_p, bits_p);
BIO_printf(bio_out, " dsa->q = BN_bin2bn(dsaq_%d, sizeof (dsaq_%d), NULL);\n",
bits_p, bits_p);
BIO_printf(bio_out, " dsa->g = BN_bin2bn(dsag_%d, sizeof (dsag_%d), NULL);\n",
bits_p, bits_p);
BIO_printf(bio_out, " if (!dsa->p || !dsa->q || !dsa->g) {\n"
" DSA_free(dsa);\n"
" return NULL;\n"
" }\n"
" return(dsa);\n}\n");
}
if (!noout) {
if (outformat == FORMAT_ASN1)
i = i2d_DSAparams_bio(out, dsa);
else
i = PEM_write_bio_DSAparams(out, dsa);
if (!i) {
BIO_printf(bio_err, "unable to write DSA parameters\n");
ERR_print_errors(bio_err);
goto end;
}
}
if (genkey) {
DSA *dsakey;
assert(need_rand);
if ((dsakey = DSAparams_dup(dsa)) == NULL)
goto end;
if (non_fips_allow)
dsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW;
if (!DSA_generate_key(dsakey)) {
ERR_print_errors(bio_err);
DSA_free(dsakey);
goto end;
}
if (outformat == FORMAT_ASN1)
i = i2d_DSAPrivateKey_bio(out, dsakey);
else
i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL,
NULL);
DSA_free(dsakey);
}
if (need_rand)
app_RAND_write_file(NULL);
ret = 0;
end:
if (cb != NULL)
BN_GENCB_free(cb);
BIO_free(in);
BIO_free_all(out);
DSA_free(dsa);
return (ret);
}
static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
DH *dh = NULL;
DH_PKEY_CTX *dctx = ctx->data;
BN_GENCB *pcb;
int ret;
if (dctx->rfc5114_param) {
switch (dctx->rfc5114_param) {
case 1:
dh = DH_get_1024_160();
break;
case 2:
dh = DH_get_2048_224();
break;
case 3:
dh = DH_get_2048_256();
break;
default:
return -2;
}
EVP_PKEY_assign(pkey, EVP_PKEY_DHX, dh);
return 1;
}
if (ctx->pkey_gencb) {
pcb = BN_GENCB_new();
if (pcb == NULL)
return 0;
evp_pkey_set_cb_translate(pcb, ctx);
} else
pcb = NULL;
#ifndef OPENSSL_NO_DSA
if (dctx->use_dsa) {
DSA *dsa_dh;
dsa_dh = dsa_dh_generate(dctx, pcb);
BN_GENCB_free(pcb);
if (dsa_dh == NULL)
return 0;
dh = DSA_dup_DH(dsa_dh);
DSA_free(dsa_dh);
if (!dh)
return 0;
EVP_PKEY_assign(pkey, EVP_PKEY_DHX, dh);
return 1;
}
#endif
dh = DH_new();
if (dh == NULL) {
BN_GENCB_free(pcb);
return 0;
}
ret = DH_generate_parameters_ex(dh,
dctx->prime_len, dctx->generator, pcb);
BN_GENCB_free(pcb);
if (ret)
EVP_PKEY_assign_DH(pkey, dh);
else
DH_free(dh);
return ret;
}
/*
Generate a public/private RSA keypair, and ask for a file to store
them in.
*/
static bool keygen(int bits) {
BIGNUM *e = NULL;
RSA *rsa_key;
FILE *f;
char filename[PATH_MAX];
BN_GENCB *cb;
int result;
fprintf(stderr, "Generating %d bits keys:\n", bits);
cb = BN_GENCB_new();
if(!cb) {
abort();
}
BN_GENCB_set(cb, indicator, NULL);
rsa_key = RSA_new();
if(BN_hex2bn(&e, "10001") == 0) {
abort();
}
if(!rsa_key || !e) {
abort();
}
result = RSA_generate_key_ex(rsa_key, bits, e, cb);
BN_free(e);
BN_GENCB_free(cb);
if(!result) {
fprintf(stderr, "Error during key generation!\n");
RSA_free(rsa_key);
return false;
} else {
fprintf(stderr, "Done.\n");
}
snprintf(filename, sizeof(filename), "%s/rsa_key.priv", confbase);
f = ask_and_open(filename, "private RSA key");
if(!f) {
RSA_free(rsa_key);
return false;
}
#ifdef HAVE_FCHMOD
/* Make it unreadable for others. */
fchmod(fileno(f), 0600);
#endif
fputc('\n', f);
PEM_write_RSAPrivateKey(f, rsa_key, NULL, NULL, 0, NULL, NULL);
fclose(f);
char *name = get_name();
if(name) {
snprintf(filename, sizeof(filename), "%s/hosts/%s", confbase, name);
free(name);
} else {
snprintf(filename, sizeof(filename), "%s/rsa_key.pub", confbase);
}
f = ask_and_open(filename, "public RSA key");
if(!f) {
RSA_free(rsa_key);
return false;
}
fputc('\n', f);
PEM_write_RSAPublicKey(f, rsa_key);
fclose(f);
RSA_free(rsa_key);
return true;
}
static isc_result_t
openssldsa_generate(dst_key_t *key, int unused, void (*callback)(int)) {
DSA *dsa;
unsigned char rand_array[ISC_SHA1_DIGESTLENGTH];
isc_result_t result;
#if OPENSSL_VERSION_NUMBER > 0x00908000L
BN_GENCB *cb;
#if OPENSSL_VERSION_NUMBER < 0x10100000L
BN_GENCB _cb;
#endif
union {
void *dptr;
void (*fptr)(int);
} u;
#else
UNUSED(callback);
#endif
UNUSED(unused);
result = dst__entropy_getdata(rand_array, sizeof(rand_array),
ISC_FALSE);
if (result != ISC_R_SUCCESS)
return (result);
#if OPENSSL_VERSION_NUMBER > 0x00908000L
dsa = DSA_new();
if (dsa == NULL)
return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
cb = BN_GENCB_new();
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
if (cb == NULL) {
DSA_free(dsa);
return (dst__openssl_toresult(DST_R_OPENSSLFAILURE));
}
#endif
if (callback == NULL) {
BN_GENCB_set_old(cb, NULL, NULL);
} else {
u.fptr = callback;
BN_GENCB_set(cb, &progress_cb, u.dptr);
}
if (!DSA_generate_parameters_ex(dsa, key->key_size, rand_array,
ISC_SHA1_DIGESTLENGTH, NULL, NULL,
cb))
{
DSA_free(dsa);
BN_GENCB_free(cb);
return (dst__openssl_toresult2("DSA_generate_parameters_ex",
DST_R_OPENSSLFAILURE));
}
BN_GENCB_free(cb);
#else
dsa = DSA_generate_parameters(key->key_size, rand_array,
ISC_SHA1_DIGESTLENGTH, NULL, NULL,
NULL, NULL);
if (dsa == NULL)
return (dst__openssl_toresult2("DSA_generate_parameters",
DST_R_OPENSSLFAILURE));
#endif
if (DSA_generate_key(dsa) == 0) {
DSA_free(dsa);
return (dst__openssl_toresult2("DSA_generate_key",
DST_R_OPENSSLFAILURE));
}
dsa->flags &= ~DSA_FLAG_CACHE_MONT_P;
key->keydata.dsa = dsa;
return (ISC_R_SUCCESS);
}
int main(int argc, char *argv[])
{
BN_GENCB *_cb;
DH *a = NULL;
DH *b = NULL;
char buf[12];
unsigned char *abuf = NULL, *bbuf = NULL;
int i, alen, blen, aout, bout, ret = 1;
BIO *out;
CRYPTO_malloc_debug_init();
CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
# ifdef OPENSSL_SYS_WIN32
CRYPTO_malloc_init();
# endif
RAND_seed(rnd_seed, sizeof rnd_seed);
out = BIO_new(BIO_s_file());
if (out == NULL)
EXIT(1);
BIO_set_fp(out, stdout, BIO_NOCLOSE);
_cb = BN_GENCB_new();
if (!_cb)
goto err;
BN_GENCB_set(_cb, &cb, out);
if (((a = DH_new()) == NULL) || !DH_generate_parameters_ex(a, 64,
DH_GENERATOR_5,
_cb))
goto err;
if (!DH_check(a, &i))
goto err;
if (i & DH_CHECK_P_NOT_PRIME)
BIO_puts(out, "p value is not prime\n");
if (i & DH_CHECK_P_NOT_SAFE_PRIME)
BIO_puts(out, "p value is not a safe prime\n");
if (i & DH_UNABLE_TO_CHECK_GENERATOR)
BIO_puts(out, "unable to check the generator value\n");
if (i & DH_NOT_SUITABLE_GENERATOR)
BIO_puts(out, "the g value is not a generator\n");
BIO_puts(out, "\np =");
BN_print(out, a->p);
BIO_puts(out, "\ng =");
BN_print(out, a->g);
BIO_puts(out, "\n");
b = DH_new();
if (b == NULL)
goto err;
b->p = BN_dup(a->p);
b->g = BN_dup(a->g);
if ((b->p == NULL) || (b->g == NULL))
goto err;
/* Set a to run with normal modexp and b to use constant time */
a->flags &= ~DH_FLAG_NO_EXP_CONSTTIME;
b->flags |= DH_FLAG_NO_EXP_CONSTTIME;
if (!DH_generate_key(a))
goto err;
BIO_puts(out, "pri 1=");
BN_print(out, a->priv_key);
BIO_puts(out, "\npub 1=");
BN_print(out, a->pub_key);
BIO_puts(out, "\n");
if (!DH_generate_key(b))
goto err;
BIO_puts(out, "pri 2=");
BN_print(out, b->priv_key);
BIO_puts(out, "\npub 2=");
BN_print(out, b->pub_key);
BIO_puts(out, "\n");
alen = DH_size(a);
abuf = (unsigned char *)OPENSSL_malloc(alen);
aout = DH_compute_key(abuf, b->pub_key, a);
BIO_puts(out, "key1 =");
for (i = 0; i < aout; i++) {
sprintf(buf, "%02X", abuf[i]);
BIO_puts(out, buf);
}
BIO_puts(out, "\n");
blen = DH_size(b);
bbuf = (unsigned char *)OPENSSL_malloc(blen);
bout = DH_compute_key(bbuf, a->pub_key, b);
BIO_puts(out, "key2 =");
for (i = 0; i < bout; i++) {
sprintf(buf, "%02X", bbuf[i]);
BIO_puts(out, buf);
}
BIO_puts(out, "\n");
if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) {
fprintf(stderr, "Error in DH routines\n");
ret = 1;
} else
ret = 0;
if (!run_rfc5114_tests())
ret = 1;
err:
ERR_print_errors_fp(stderr);
if (abuf != NULL)
OPENSSL_free(abuf);
if (bbuf != NULL)
OPENSSL_free(bbuf);
DH_free(b);
DH_free(a);
if (_cb)
BN_GENCB_free(_cb);
BIO_free(out);
# ifdef OPENSSL_SYS_NETWARE
if (ret)
printf("ERROR: %d\n", ret);
# endif
EXIT(ret);
}
static int dh_test(void)
{
BN_GENCB *_cb = NULL;
DH *a = NULL;
DH *b = NULL;
const BIGNUM *ap = NULL, *ag = NULL, *apub_key = NULL;
const BIGNUM *bpub_key = NULL;
BIGNUM *bp = NULL, *bg = NULL;
unsigned char *abuf = NULL;
unsigned char *bbuf = NULL;
int i, alen, blen, aout, bout;
int ret = 0;
RAND_seed(rnd_seed, sizeof rnd_seed);
if (!TEST_ptr(_cb = BN_GENCB_new()))
goto err;
BN_GENCB_set(_cb, &cb, NULL);
if (!TEST_ptr(a = DH_new())
|| !TEST_true(DH_generate_parameters_ex(a, 64,
DH_GENERATOR_5, _cb)))
goto err;
if (!DH_check(a, &i))
goto err;
if (!TEST_false(i & DH_CHECK_P_NOT_PRIME)
|| !TEST_false(i & DH_CHECK_P_NOT_SAFE_PRIME)
|| !TEST_false(i & DH_UNABLE_TO_CHECK_GENERATOR)
|| !TEST_false(i & DH_NOT_SUITABLE_GENERATOR))
goto err;
DH_get0_pqg(a, &ap, NULL, &ag);
if (!TEST_ptr(b = DH_new()))
goto err;
if (!TEST_ptr(bp = BN_dup(ap))
|| !TEST_ptr(bg = BN_dup(ag))
|| !TEST_true(DH_set0_pqg(b, bp, NULL, bg)))
goto err;
bp = bg = NULL;
if (!DH_generate_key(a))
goto err;
DH_get0_key(a, &apub_key, NULL);
if (!DH_generate_key(b))
goto err;
DH_get0_key(b, &bpub_key, NULL);
alen = DH_size(a);
if (!TEST_ptr(abuf = OPENSSL_malloc(alen))
|| !TEST_true((aout = DH_compute_key(abuf, bpub_key, a)) != -1))
goto err;
blen = DH_size(b);
if (!TEST_ptr(bbuf = OPENSSL_malloc(blen))
|| !TEST_true((bout = DH_compute_key(bbuf, apub_key, b)) != -1))
goto err;
if (!TEST_true(aout >= 4)
|| !TEST_mem_eq(abuf, aout, bbuf, bout))
goto err;
ret = 1;
err:
OPENSSL_free(abuf);
OPENSSL_free(bbuf);
DH_free(b);
DH_free(a);
BN_free(bp);
BN_free(bg);
BN_GENCB_free(_cb);
return ret;
}
