/* Prepare the ENGINE structure for registration */
static int padlock_bind_helper(ENGINE *e)
{
/* Check available features */
padlock_available();
/*
* RNG is currently disabled for reasons discussed in commentary just
* before padlock_rand_bytes function.
*/
padlock_use_rng = 0;
/* Generate a nice engine name with available features */
BIO_snprintf(padlock_name, sizeof(padlock_name),
"VIA PadLock (%s, %s)",
padlock_use_rng ? "RNG" : "no-RNG",
padlock_use_ace ? "ACE" : "no-ACE");
/* Register everything or return with an error */
if (!ENGINE_set_id(e, padlock_id) ||
!ENGINE_set_name(e, padlock_name) ||
!ENGINE_set_init_function(e, padlock_init) ||
# ifndef OPENSSL_NO_AES
(padlock_use_ace && !ENGINE_set_ciphers(e, padlock_ciphers)) ||
# endif
(padlock_use_rng && !ENGINE_set_RAND(e, &padlock_rand))) {
return 0;
}
/* Everything looks good */
return 1;
}
/* Prepare the ENGINE structure for registration */
static int
padlock_bind_helper(ENGINE *e)
{
/* Check available features */
padlock_available();
#if 1 /* disable RNG for now, see commentary in vicinity of RNG code */
padlock_use_rng=0;
#endif
/* Generate a nice engine name with available features */
BIO_snprintf(padlock_name, sizeof(padlock_name),
"VIA PadLock (%s, %s)",
padlock_use_rng ? "RNG" : "no-RNG",
padlock_use_ace ? "ACE" : "no-ACE");
/* Register everything or return with an error */
if (!ENGINE_set_id(e, padlock_id) ||
!ENGINE_set_name(e, padlock_name) ||
!ENGINE_set_init_function(e, padlock_init) ||
#ifndef OPENSSL_NO_AES
(padlock_use_ace && !ENGINE_set_ciphers (e, padlock_ciphers)) ||
#endif
(padlock_use_rng && !ENGINE_set_RAND (e, &padlock_rand))) {
return 0;
}
/* Everything looks good */
return 1;
}
/* ---------------------*/
static int bind_helper(ENGINE *e)
{
if (!ENGINE_set_id(e, engine_cluster_labs_id) ||
!ENGINE_set_name(e, engine_cluster_labs_name) ||
# ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &cluster_labs_rsa) ||
# endif
# ifndef OPENSSL_NO_DSA
!ENGINE_set_DSA(e, &cluster_labs_dsa) ||
# endif
# ifndef OPENSSL_NO_DH
!ENGINE_set_DH(e, &cluster_labs_dh) ||
# endif
!ENGINE_set_RAND(e, &cluster_labs_rand) ||
!ENGINE_set_destroy_function(e, cluster_labs_destroy) ||
!ENGINE_set_init_function(e, cluster_labs_init) ||
!ENGINE_set_finish_function(e, cluster_labs_finish) ||
!ENGINE_set_ctrl_function(e, cluster_labs_ctrl) ||
!ENGINE_set_cmd_defns(e, cluster_labs_cmd_defns))
return 0;
/* Ensure the error handling is set up */
ERR_load_CL_strings();
return 1;
}
static int bind_helper (ENGINE * e)
{
if (!ENGINE_set_id (e, engine_e_rdrand_id) ||
!ENGINE_set_name (e, engine_e_rdrand_name) ||
!ENGINE_set_flags (e, ENGINE_FLAGS_NO_REGISTER_ALL) ||
!ENGINE_set_init_function (e, rdrand_init) || !ENGINE_set_RAND (e, &rdrand_meth))
return 0;
return 1;
}
static int bind_helper(ENGINE *e)
{
if (!ENGINE_set_id(e, engine_e_rdrand_id) ||
!ENGINE_set_name(e, engine_e_rdrand_name) ||
!ENGINE_set_init_function(e, rdrand_init) ||
!ENGINE_set_RAND(e, &rdrand_meth) )
return 0;
return 1;
}
isc_result_t
dst__openssl_init() {
isc_result_t result;
#ifdef DNS_CRYPTO_LEAKS
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
#endif
CRYPTO_set_mem_functions(mem_alloc, mem_realloc, mem_free);
nlocks = CRYPTO_num_locks();
locks = mem_alloc(sizeof(isc_mutex_t) * nlocks);
if (locks == NULL)
return (ISC_R_NOMEMORY);
result = isc_mutexblock_init(locks, nlocks);
if (result != ISC_R_SUCCESS)
goto cleanup_mutexalloc;
CRYPTO_set_locking_callback(lock_callback);
CRYPTO_set_id_callback(id_callback);
rm = mem_alloc(sizeof(RAND_METHOD));
if (rm == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_mutexinit;
}
rm->seed = NULL;
rm->bytes = entropy_get;
rm->cleanup = NULL;
rm->add = entropy_add;
rm->pseudorand = entropy_getpseudo;
rm->status = entropy_status;
#ifdef USE_ENGINE
e = ENGINE_new();
if (e == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_rm;
}
ENGINE_set_RAND(e, rm);
RAND_set_rand_method(rm);
#else
RAND_set_rand_method(rm);
#endif /* USE_ENGINE */
return (ISC_R_SUCCESS);
#ifdef USE_ENGINE
cleanup_rm:
mem_free(rm);
#endif
cleanup_mutexinit:
CRYPTO_set_locking_callback(NULL);
DESTROYMUTEXBLOCK(locks, nlocks);
cleanup_mutexalloc:
mem_free(locks);
return (result);
}
/*
* This internal function is used by ENGINE_cswift() and possibly by the
* "dynamic" ENGINE support too
*/
static int bind_helper(ENGINE *e)
{
# ifndef OPENSSL_NO_RSA
const RSA_METHOD *meth1;
# endif
# ifndef OPENSSL_NO_DH
const DH_METHOD *meth2;
# endif
if (!ENGINE_set_id(e, engine_cswift_id) ||
!ENGINE_set_name(e, engine_cswift_name) ||
# ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &cswift_rsa) ||
# endif
# ifndef OPENSSL_NO_DSA
!ENGINE_set_DSA(e, &cswift_dsa) ||
# endif
# ifndef OPENSSL_NO_DH
!ENGINE_set_DH(e, &cswift_dh) ||
# endif
!ENGINE_set_RAND(e, &cswift_random) ||
!ENGINE_set_destroy_function(e, cswift_destroy) ||
!ENGINE_set_init_function(e, cswift_init) ||
!ENGINE_set_finish_function(e, cswift_finish) ||
!ENGINE_set_ctrl_function(e, cswift_ctrl) ||
!ENGINE_set_cmd_defns(e, cswift_cmd_defns))
return 0;
# ifndef OPENSSL_NO_RSA
/*
* We know that the "PKCS1_SSLeay()" functions hook properly to the
* cswift-specific mod_exp and mod_exp_crt so we use those functions. NB:
* We don't use ENGINE_openssl() or anything "more generic" because
* something like the RSAref code may not hook properly, and if you own
* one of these cards then you have the right to do RSA operations on it
* anyway!
*/
meth1 = RSA_PKCS1_SSLeay();
cswift_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
cswift_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
cswift_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
cswift_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
# endif
# ifndef OPENSSL_NO_DH
/* Much the same for Diffie-Hellman */
meth2 = DH_OpenSSL();
cswift_dh.generate_key = meth2->generate_key;
cswift_dh.compute_key = meth2->compute_key;
# endif
/* Ensure the cswift error handling is set up */
ERR_load_CSWIFT_strings();
return 1;
}
static ENGINE *
sc_get_engine(void)
{
static ENGINE *smart_engine = NULL;
if ((smart_engine = ENGINE_new()) == NULL)
fatal("ENGINE_new failed");
ENGINE_set_id(smart_engine, "sectok");
ENGINE_set_name(smart_engine, "libsectok");
ENGINE_set_RSA(smart_engine, sc_get_rsa_method());
ENGINE_set_DSA(smart_engine, DSA_get_default_openssl_method());
ENGINE_set_DH(smart_engine, DH_get_default_openssl_method());
ENGINE_set_RAND(smart_engine, RAND_SSLeay());
ENGINE_set_BN_mod_exp(smart_engine, BN_mod_exp);
return smart_engine;
}
/*
* This internal function is used by ENGINE_openssl() and possibly by the
* "dynamic" ENGINE support too
*/
static int bind_helper(ENGINE *e)
{
if (!ENGINE_set_id(e, engine_openssl_id)
|| !ENGINE_set_name(e, engine_openssl_name)
|| !ENGINE_set_destroy_function(e, openssl_destroy)
#ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS
# ifndef OPENSSL_NO_RSA
|| !ENGINE_set_RSA(e, RSA_get_default_method())
# endif
# ifndef OPENSSL_NO_DSA
|| !ENGINE_set_DSA(e, DSA_get_default_method())
# endif
# ifndef OPENSSL_NO_EC
|| !ENGINE_set_EC(e, EC_KEY_OpenSSL())
# endif
# ifndef OPENSSL_NO_DH
|| !ENGINE_set_DH(e, DH_get_default_method())
# endif
|| !ENGINE_set_RAND(e, RAND_OpenSSL())
# ifdef TEST_ENG_OPENSSL_RC4
|| !ENGINE_set_ciphers(e, openssl_ciphers)
# endif
# ifdef TEST_ENG_OPENSSL_SHA
|| !ENGINE_set_digests(e, openssl_digests)
# endif
#endif
#ifdef TEST_ENG_OPENSSL_PKEY
|| !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
#endif
#ifdef TEST_ENG_OPENSSL_HMAC
|| !ossl_register_hmac_meth()
|| !ENGINE_set_pkey_meths(e, ossl_pkey_meths)
#endif
)
return 0;
/*
* If we add errors to this ENGINE, ensure the error handling is setup
* here
*/
/* openssl_load_error_strings(); */
return 1;
}
/* This internal function is used by ENGINE_tpm() and possibly by the
* "dynamic" ENGINE support too */
static int bind_helper(ENGINE * e)
{
if (!ENGINE_set_id(e, engine_tpm_id) ||
!ENGINE_set_name(e, engine_tpm_name) ||
#ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &tpm_rsa) ||
#endif
!ENGINE_set_RAND(e, &tpm_rand) ||
!ENGINE_set_destroy_function(e, tpm_engine_destroy) ||
!ENGINE_set_init_function(e, tpm_engine_init) ||
!ENGINE_set_finish_function(e, tpm_engine_finish) ||
!ENGINE_set_ctrl_function(e, tpm_engine_ctrl) ||
!ENGINE_set_load_pubkey_function(e, tpm_engine_load_key) ||
!ENGINE_set_load_privkey_function(e, tpm_engine_load_key) ||
!ENGINE_set_cmd_defns(e, tpm_cmd_defns))
return 0;
/* Ensure the tpm error handling is set up */
ERR_load_TPM_strings();
return 1;
}
/* This internal function is used by ENGINE_openssl() and possibly by the
* "dynamic" ENGINE support too */
static int bind_helper(ENGINE *e)
{
if(!ENGINE_set_id(e, engine_openssl_id)
|| !ENGINE_set_name(e, engine_openssl_name)
#ifndef TEST_ENG_OPENSSL_NO_ALGORITHMS
#ifndef OPENSSL_NO_RSA
|| !ENGINE_set_RSA(e, RSA_get_default_method())
#endif
#ifndef OPENSSL_NO_DSA
|| !ENGINE_set_DSA(e, DSA_get_default_method())
#endif
#ifndef OPENSSL_NO_ECDH
|| !ENGINE_set_ECDH(e, ECDH_OpenSSL())
#endif
#ifndef OPENSSL_NO_ECDSA
|| !ENGINE_set_ECDSA(e, ECDSA_OpenSSL())
#endif
#ifndef OPENSSL_NO_DH
|| !ENGINE_set_DH(e, DH_get_default_method())
#endif
|| !ENGINE_set_RAND(e, RAND_SSLeay())
#ifdef TEST_ENG_OPENSSL_RC4
|| !ENGINE_set_ciphers(e, openssl_ciphers)
#endif
#ifdef TEST_ENG_OPENSSL_SHA
|| !ENGINE_set_digests(e, openssl_digests)
#endif
#endif
//MS:
#ifndef OPENSSL_NO_STDIO
#ifdef TEST_ENG_OPENSSL_PKEY
|| !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
#endif
#endif
)
return 0;
/* If we add errors to this ENGINE, ensure the error handling is setup here */
/* openssl_load_error_strings(); */
return 1;
}
/* ---------------------*/
static int bind_helper(ENGINE *e)
{
if (!ENGINE_set_id(e, engine_4758_cca_id) ||
!ENGINE_set_name(e, engine_4758_cca_name) ||
# ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &ibm_4758_cca_rsa) ||
# endif
!ENGINE_set_RAND(e, &ibm_4758_cca_rand) ||
!ENGINE_set_destroy_function(e, ibm_4758_cca_destroy) ||
!ENGINE_set_init_function(e, ibm_4758_cca_init) ||
!ENGINE_set_finish_function(e, ibm_4758_cca_finish) ||
!ENGINE_set_ctrl_function(e, ibm_4758_cca_ctrl) ||
# ifndef OPENSSL_NO_RSA
!ENGINE_set_load_privkey_function(e, ibm_4758_load_privkey) ||
!ENGINE_set_load_pubkey_function(e, ibm_4758_load_pubkey) ||
# endif
!ENGINE_set_cmd_defns(e, cca4758_cmd_defns))
return 0;
/* Ensure the error handling is set up */
ERR_load_CCA4758_strings();
return 1;
}
/* Returns 1 if successfully added, 2 if engine has previously been added,
and 0 for error. */
int Cryptography_add_osrandom_engine(void) {
ENGINE *e;
ERR_load_Cryptography_OSRandom_strings();
e = ENGINE_by_id(Cryptography_osrandom_engine_id);
if (e != NULL) {
ENGINE_free(e);
return 2;
} else {
ERR_clear_error();
}
e = ENGINE_new();
if (e == NULL) {
return 0;
}
if (!ENGINE_set_id(e, Cryptography_osrandom_engine_id) ||
!ENGINE_set_name(e, Cryptography_osrandom_engine_name) ||
!ENGINE_set_RAND(e, &osrandom_rand) ||
!ENGINE_set_init_function(e, osrandom_init) ||
!ENGINE_set_finish_function(e, osrandom_finish) ||
!ENGINE_set_cmd_defns(e, osrandom_cmd_defns) ||
!ENGINE_set_ctrl_function(e, osrandom_ctrl)) {
ENGINE_free(e);
return 0;
}
if (!ENGINE_add(e)) {
ENGINE_free(e);
return 0;
}
if (!ENGINE_free(e)) {
return 0;
}
return 1;
}
/*
* This internal function is used by ENGINE_aep() and possibly by the
* "dynamic" ENGINE support too
*/
static int bind_aep(ENGINE *e)
{
# ifndef OPENSSL_NO_RSA
const RSA_METHOD *meth1;
# endif
# ifndef OPENSSL_NO_DSA
const DSA_METHOD *meth2;
# endif
# ifndef OPENSSL_NO_DH
const DH_METHOD *meth3;
# endif
if (!ENGINE_set_id(e, engine_aep_id) ||
!ENGINE_set_name(e, engine_aep_name) ||
# ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &aep_rsa) ||
# endif
# ifndef OPENSSL_NO_DSA
!ENGINE_set_DSA(e, &aep_dsa) ||
# endif
# ifndef OPENSSL_NO_DH
!ENGINE_set_DH(e, &aep_dh) ||
# endif
# ifdef AEPRAND
!ENGINE_set_RAND(e, &aep_random) ||
# endif
!ENGINE_set_init_function(e, aep_init) ||
!ENGINE_set_destroy_function(e, aep_destroy) ||
!ENGINE_set_finish_function(e, aep_finish) ||
!ENGINE_set_ctrl_function(e, aep_ctrl) ||
!ENGINE_set_cmd_defns(e, aep_cmd_defns))
return 0;
# ifndef OPENSSL_NO_RSA
/*
* We know that the "PKCS1_SSLeay()" functions hook properly to the
* aep-specific mod_exp and mod_exp_crt so we use those functions. NB: We
* don't use ENGINE_openssl() or anything "more generic" because
* something like the RSAref code may not hook properly, and if you own
* one of these cards then you have the right to do RSA operations on it
* anyway!
*/
meth1 = RSA_PKCS1_SSLeay();
aep_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
aep_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
aep_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
aep_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
# endif
# ifndef OPENSSL_NO_DSA
/*
* Use the DSA_OpenSSL() method and just hook the mod_exp-ish bits.
*/
meth2 = DSA_OpenSSL();
aep_dsa.dsa_do_sign = meth2->dsa_do_sign;
aep_dsa.dsa_sign_setup = meth2->dsa_sign_setup;
aep_dsa.dsa_do_verify = meth2->dsa_do_verify;
aep_dsa = *DSA_get_default_method();
aep_dsa.dsa_mod_exp = aep_dsa_mod_exp;
aep_dsa.bn_mod_exp = aep_mod_exp_dsa;
# endif
# ifndef OPENSSL_NO_DH
/* Much the same for Diffie-Hellman */
meth3 = DH_OpenSSL();
aep_dh.generate_key = meth3->generate_key;
aep_dh.compute_key = meth3->compute_key;
aep_dh.bn_mod_exp = meth3->bn_mod_exp;
# endif
/* Ensure the aep error handling is set up */
ERR_load_AEPHK_strings();
return 1;
}
/* As this is only ever called once, there's no need for locking
* (indeed - the lock will already be held by our caller!!!) */
static int bind_sureware(ENGINE *e)
{
#ifndef OPENSSL_NO_RSA
const RSA_METHOD *meth1;
#endif
#ifndef OPENSSL_NO_DSA
const DSA_METHOD *meth2;
#endif
#ifndef OPENSSL_NO_DH
const DH_METHOD *meth3;
#endif
if(!ENGINE_set_id(e, engine_sureware_id) ||
!ENGINE_set_name(e, engine_sureware_name) ||
#ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &surewarehk_rsa) ||
#endif
#ifndef OPENSSL_NO_DSA
!ENGINE_set_DSA(e, &surewarehk_dsa) ||
#endif
#ifndef OPENSSL_NO_DH
!ENGINE_set_DH(e, &surewarehk_dh) ||
#endif
!ENGINE_set_RAND(e, &surewarehk_rand) ||
!ENGINE_set_destroy_function(e, surewarehk_destroy) ||
!ENGINE_set_init_function(e, surewarehk_init) ||
!ENGINE_set_finish_function(e, surewarehk_finish) ||
!ENGINE_set_ctrl_function(e, (ENGINE_CTRL_FUNC_PTR)surewarehk_ctrl) ||
!ENGINE_set_load_privkey_function(e, surewarehk_load_privkey) ||
!ENGINE_set_load_pubkey_function(e, surewarehk_load_pubkey))
return 0;
#ifndef OPENSSL_NO_RSA
/* We know that the "PKCS1_SSLeay()" functions hook properly
* to the cswift-specific mod_exp and mod_exp_crt so we use
* those functions. NB: We don't use ENGINE_openssl() or
* anything "more generic" because something like the RSAref
* code may not hook properly, and if you own one of these
* cards then you have the right to do RSA operations on it
* anyway! */
meth1 = RSA_PKCS1_SSLeay();
if (meth1)
{
surewarehk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
surewarehk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
}
#endif
#ifndef OPENSSL_NO_DSA
/* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
* bits. */
meth2 = DSA_OpenSSL();
if (meth2)
{
surewarehk_dsa.dsa_do_verify = meth2->dsa_do_verify;
}
#endif
#ifndef OPENSSL_NO_DH
/* Much the same for Diffie-Hellman */
meth3 = DH_OpenSSL();
if (meth3)
{
surewarehk_dh.generate_key = meth3->generate_key;
surewarehk_dh.compute_key = meth3->compute_key;
}
#endif
/* Ensure the sureware error handling is set up */
ERR_load_SUREWARE_strings();
return 1;
}
isc_result_t
dst__openssl_init() {
isc_result_t result;
#ifdef USE_ENGINE
/* const char *name; */
ENGINE *re;
#endif
#ifdef DNS_CRYPTO_LEAKS
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
#endif
CRYPTO_set_mem_functions(mem_alloc, mem_realloc, mem_free);
nlocks = CRYPTO_num_locks();
locks = mem_alloc(sizeof(isc_mutex_t) * nlocks);
if (locks == NULL)
return (ISC_R_NOMEMORY);
result = isc_mutexblock_init(locks, nlocks);
if (result != ISC_R_SUCCESS)
goto cleanup_mutexalloc;
CRYPTO_set_locking_callback(lock_callback);
CRYPTO_set_id_callback(id_callback);
rm = mem_alloc(sizeof(RAND_METHOD));
if (rm == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_mutexinit;
}
rm->seed = NULL;
rm->bytes = entropy_get;
rm->cleanup = NULL;
rm->add = entropy_add;
rm->pseudorand = entropy_getpseudo;
rm->status = entropy_status;
#ifdef USE_ENGINE
OPENSSL_config(NULL);
#ifdef USE_PKCS11
#ifndef PKCS11_SO_PATH
#define PKCS11_SO_PATH "/usr/local/lib/engines/engine_pkcs11.so"
#endif
#ifndef PKCS11_MODULE_PATH
#define PKCS11_MODULE_PATH "/usr/lib/libpkcs11.so"
#endif
{
/*
* to use this to config the PIN, add in openssl.cnf:
* - at the beginning: "openssl_conf = openssl_def"
* - at any place these sections:
* [ openssl_def ]
* engines = engine_section
* [ engine_section ]
* pkcs11 = pkcs11_section
* [ pkcs11_section ]
* PIN = my___pin
*/
const char *pre_cmds[] = {
"SO_PATH", PKCS11_SO_PATH,
"LOAD", NULL,
"MODULE_PATH", PKCS11_MODULE_PATH
};
const char *post_cmds[] = {
/* "PIN", "my___pin" */
};
result = dst__openssl_load_engine("pkcs11", "pkcs11",
pre_cmds, 0,
post_cmds, /*1*/ 0);
if (result != ISC_R_SUCCESS)
goto cleanup_rm;
}
#endif /* USE_PKCS11 */
if (engine_id != NULL) {
e = ENGINE_by_id(engine_id);
if (e == NULL) {
result = ISC_R_NOTFOUND;
goto cleanup_rm;
}
if (!ENGINE_init(e)) {
result = ISC_R_FAILURE;
ENGINE_free(e);
goto cleanup_rm;
}
ENGINE_set_default(e, ENGINE_METHOD_ALL);
ENGINE_free(e);
} else {
ENGINE_register_all_complete();
for (e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e)) {
/*
* Something weird here. If we call ENGINE_finish()
* ENGINE_get_default_RAND() will fail.
*/
if (ENGINE_init(e)) {
if (he == NULL)
he = e;
}
}
}
re = ENGINE_get_default_RAND();
if (re == NULL) {
re = ENGINE_new();
if (re == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_rm;
}
ENGINE_set_RAND(re, rm);
ENGINE_set_default_RAND(re);
ENGINE_free(re);
} else
ENGINE_finish(re);
#else
RAND_set_rand_method(rm);
#endif /* USE_ENGINE */
return (ISC_R_SUCCESS);
#ifdef USE_ENGINE
cleanup_rm:
mem_free(rm);
#endif
cleanup_mutexinit:
CRYPTO_set_locking_callback(NULL);
DESTROYMUTEXBLOCK(locks, nlocks);
cleanup_mutexalloc:
mem_free(locks);
return (result);
}
/*
* This internal function is used by ENGINE_chil() and possibly by the
* "dynamic" ENGINE support too
*/
static int bind_helper(ENGINE *e)
{
# ifndef OPENSSL_NO_RSA
const RSA_METHOD *meth1;
# endif
# ifndef OPENSSL_NO_DH
const DH_METHOD *meth2;
# endif
chil_lock = CRYPTO_THREAD_lock_new();
if (chil_lock == NULL) {
HWCRHKerr(HWCRHK_F_BIND_HELPER, ERR_R_MALLOC_FAILURE);
return 0;
}
if (!ENGINE_set_id(e, engine_hwcrhk_id) ||
!ENGINE_set_name(e, engine_hwcrhk_name) ||
# ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &hwcrhk_rsa) ||
# endif
# ifndef OPENSSL_NO_DH
!ENGINE_set_DH(e, &hwcrhk_dh) ||
# endif
!ENGINE_set_RAND(e, &hwcrhk_rand) ||
!ENGINE_set_destroy_function(e, hwcrhk_destroy) ||
!ENGINE_set_init_function(e, hwcrhk_init) ||
!ENGINE_set_finish_function(e, hwcrhk_finish) ||
!ENGINE_set_ctrl_function(e, hwcrhk_ctrl) ||
!ENGINE_set_load_privkey_function(e, hwcrhk_load_privkey) ||
!ENGINE_set_load_pubkey_function(e, hwcrhk_load_pubkey) ||
!ENGINE_set_cmd_defns(e, hwcrhk_cmd_defns))
return 0;
# ifndef OPENSSL_NO_RSA
/*
* We know that the "PKCS1_OpenSSL()" functions hook properly to the
* cswift-specific mod_exp and mod_exp_crt so we use those functions. NB:
* We don't use ENGINE_openssl() or anything "more generic" because
* something like the RSAref code may not hook properly, and if you own
* one of these cards then you have the right to do RSA operations on it
* anyway!
*/
meth1 = RSA_PKCS1_OpenSSL();
hwcrhk_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
hwcrhk_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
hwcrhk_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
hwcrhk_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
# endif
# ifndef OPENSSL_NO_DH
/* Much the same for Diffie-Hellman */
meth2 = DH_OpenSSL();
hwcrhk_dh.generate_key = meth2->generate_key;
hwcrhk_dh.compute_key = meth2->compute_key;
# endif
/* Ensure the hwcrhk error handling is set up */
ERR_load_HWCRHK_strings();
return 1;
}
static int bind_helper(ENGINE *e)
{
#ifndef OPENSSL_NO_RSA
const RSA_METHOD *meth1;
#endif
#ifndef OPENSSL_NO_DSA
const DSA_METHOD *meth2;
#endif
#ifndef OPENSSL_NO_DH
const DH_METHOD *meth3;
#endif
if(!ENGINE_set_id(e, engine_ibmca_id) ||
!ENGINE_set_name(e, engine_ibmca_name) ||
#ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA(e, &ibmca_rsa) ||
#endif
#ifndef OPENSSL_NO_DSA
!ENGINE_set_DSA(e, &ibmca_dsa) ||
#endif
#ifndef OPENSSL_NO_DH
!ENGINE_set_DH(e, &ibmca_dh) ||
#endif
!ENGINE_set_RAND(e, &ibmca_rand) ||
!ENGINE_set_destroy_function(e, ibmca_destroy) ||
!ENGINE_set_init_function(e, ibmca_init) ||
!ENGINE_set_finish_function(e, ibmca_finish) ||
!ENGINE_set_ctrl_function(e, ibmca_ctrl) ||
!ENGINE_set_cmd_defns(e, ibmca_cmd_defns))
return 0;
#ifndef OPENSSL_NO_RSA
/* We know that the "PKCS1_SSLeay()" functions hook properly
* to the ibmca-specific mod_exp and mod_exp_crt so we use
* those functions. NB: We don't use ENGINE_openssl() or
* anything "more generic" because something like the RSAref
* code may not hook properly, and if you own one of these
* cards then you have the right to do RSA operations on it
* anyway! */
meth1 = RSA_PKCS1_SSLeay();
ibmca_rsa.rsa_pub_enc = meth1->rsa_pub_enc;
ibmca_rsa.rsa_pub_dec = meth1->rsa_pub_dec;
ibmca_rsa.rsa_priv_enc = meth1->rsa_priv_enc;
ibmca_rsa.rsa_priv_dec = meth1->rsa_priv_dec;
#endif
#ifndef OPENSSL_NO_DSA
/* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
* bits. */
meth2 = DSA_OpenSSL();
ibmca_dsa.dsa_do_sign = meth2->dsa_do_sign;
ibmca_dsa.dsa_sign_setup = meth2->dsa_sign_setup;
ibmca_dsa.dsa_do_verify = meth2->dsa_do_verify;
#endif
#ifndef OPENSSL_NO_DH
/* Much the same for Diffie-Hellman */
meth3 = DH_OpenSSL();
ibmca_dh.generate_key = meth3->generate_key;
ibmca_dh.compute_key = meth3->compute_key;
#endif
/* Ensure the ibmca error handling is set up */
ERR_load_IBMCA_strings();
return 1;
}
isc_result_t
dst__openssl_init(const char *engine) {
isc_result_t result;
#ifdef USE_ENGINE
ENGINE *re;
#else
UNUSED(engine);
#endif
#ifdef DNS_CRYPTO_LEAKS
CRYPTO_malloc_debug_init();
CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
#endif
CRYPTO_set_mem_functions(mem_alloc, mem_realloc, mem_free);
nlocks = CRYPTO_num_locks();
locks = mem_alloc(sizeof(isc_mutex_t) * nlocks);
if (locks == NULL)
return (ISC_R_NOMEMORY);
result = isc_mutexblock_init(locks, nlocks);
if (result != ISC_R_SUCCESS)
goto cleanup_mutexalloc;
CRYPTO_set_locking_callback(lock_callback);
#if OPENSSL_VERSION_NUMBER < 0x10100000L
CRYPTO_set_id_callback(id_callback);
#endif
ERR_load_crypto_strings();
rm = mem_alloc(sizeof(RAND_METHOD));
if (rm == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_mutexinit;
}
rm->seed = NULL;
rm->bytes = entropy_get;
rm->cleanup = NULL;
rm->add = entropy_add;
rm->pseudorand = entropy_getpseudo;
rm->status = entropy_status;
#ifdef USE_ENGINE
OPENSSL_config(NULL);
if (engine != NULL && *engine == '\0')
engine = NULL;
if (engine != NULL) {
e = ENGINE_by_id(engine);
if (e == NULL) {
result = DST_R_NOENGINE;
goto cleanup_rm;
}
/* This will init the engine. */
if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
result = DST_R_NOENGINE;
goto cleanup_rm;
}
}
re = ENGINE_get_default_RAND();
if (re == NULL) {
re = ENGINE_new();
if (re == NULL) {
result = ISC_R_NOMEMORY;
goto cleanup_rm;
}
ENGINE_set_RAND(re, rm);
ENGINE_set_default_RAND(re);
ENGINE_free(re);
} else
ENGINE_finish(re);
#else
RAND_set_rand_method(rm);
#endif /* USE_ENGINE */
return (ISC_R_SUCCESS);
#ifdef USE_ENGINE
cleanup_rm:
if (e != NULL)
ENGINE_free(e);
e = NULL;
mem_free(rm);
rm = NULL;
#endif
cleanup_mutexinit:
CRYPTO_set_locking_callback(NULL);
DESTROYMUTEXBLOCK(locks, nlocks);
cleanup_mutexalloc:
mem_free(locks);
locks = NULL;
return (result);
}
int64_t s2n_public_random(int64_t max)
{
uint64_t r;
gt_check(max, 0);
while(1) {
struct s2n_blob blob = { .data = (void *) &r, sizeof(r) };
GUARD(s2n_get_public_random_data(&blob));
/* Imagine an int was one byte and UINT_MAX was 256. If the
* caller asked for s2n_random(129, ...) we'd end up in
* trouble. Each number in the range 0...127 would be twice
* as likely as 128. That's because r == 0 % 129 -> 0, and
* r == 129 % 129 -> 0, but only r == 128 returns 128,
* r == 257 is out of range.
*
* To de-bias the dice, we discard values of r that are higher
* that the highest multiple of 'max' an int can support. If
* max is a uint, then in the worst case we discard 50% - 1 r's.
* But since 'max' is an int and INT_MAX is <= UINT_MAX / 2,
* in the worst case we discard 25% - 1 r's.
*/
if (r < (UINT64_MAX - (UINT64_MAX % max))) {
return r % max;
}
}
return -1;
}
#ifndef OPENSSL_IS_BORINGSSL
int s2n_openssl_compat_rand(unsigned char *buf, int num)
{
struct s2n_blob out = {.data = buf, .size = num};
if(s2n_get_private_random_data(&out) < 0) {
return 0;
}
return 1;
}
int s2n_openssl_compat_status(void)
{
return 1;
}
int s2n_openssl_compat_init(ENGINE *unused)
{
return 1;
}
RAND_METHOD s2n_openssl_rand_method = {
.seed = NULL,
.bytes = s2n_openssl_compat_rand,
.cleanup = NULL,
.add = NULL,
.pseudorand = s2n_openssl_compat_rand,
.status = s2n_openssl_compat_status
};
#endif
int s2n_init(void)
{
GUARD(s2n_mem_init());
OPEN:
entropy_fd = open(ENTROPY_SOURCE, O_RDONLY);
if (entropy_fd == -1) {
if (errno == EINTR) {
goto OPEN;
}
S2N_ERROR(S2N_ERR_OPEN_RANDOM);
}
#if defined(MAP_INHERIT_ZERO)
if ((zero_if_forked_ptr = mmap(NULL, sizeof(int), PROT_READ|PROT_WRITE,
MAP_ANON|MAP_PRIVATE, -1, 0)) == MAP_FAILED) {
S2N_ERROR(S2N_ERR_OPEN_RANDOM);
}
if (minherit(zero_if_forked_ptr, sizeof(int), MAP_INHERIT_ZERO) == -1) {
S2N_ERROR(S2N_ERR_OPEN_RANDOM);
}
#else
if (pthread_atfork(NULL, NULL, s2n_on_fork) != 0) {
S2N_ERROR(S2N_ERR_OPEN_RANDOM);
}
#endif
GUARD(s2n_check_fork());
#ifndef OPENSSL_IS_BORINGSSL
/* Create an engine */
ENGINE *e = ENGINE_new();
if (e == NULL ||
ENGINE_set_id(e, "s2n") != 1 ||
ENGINE_set_name(e, "s2n entropy generator") != 1 ||
ENGINE_set_flags(e, ENGINE_FLAGS_NO_REGISTER_ALL) != 1 ||
ENGINE_set_init_function(e, s2n_openssl_compat_init) != 1 ||
ENGINE_set_RAND(e, &s2n_openssl_rand_method) != 1 ||
ENGINE_add(e) != 1 ||
ENGINE_free(e) != 1) {
S2N_ERROR(S2N_ERR_OPEN_RANDOM);
}
/* Use that engine for rand() */
e = ENGINE_by_id("s2n");
if (e == NULL ||
ENGINE_init(e) != 1 ||
ENGINE_set_default(e, ENGINE_METHOD_RAND) != 1) {
S2N_ERROR(S2N_ERR_OPEN_RANDOM);
}
#endif
return 0;
}
/* This internal function is used by ENGINE_zencod () and possibly by the
* "dynamic" ENGINE support too ;-)
*/
static int bind_helper ( ENGINE *e )
{
#ifndef OPENSSL_NO_RSA
const RSA_METHOD *meth_rsa ;
#endif
#ifndef OPENSSL_NO_DSA
const DSA_METHOD *meth_dsa ;
#endif
#ifndef OPENSSL_NO_DH
const DH_METHOD *meth_dh ;
#endif
const RAND_METHOD *meth_rand ;
if ( !ENGINE_set_id ( e, engine_zencod_id ) ||
!ENGINE_set_name ( e, engine_zencod_name ) ||
#ifndef OPENSSL_NO_RSA
!ENGINE_set_RSA ( e, &zencod_rsa ) ||
#endif
#ifndef OPENSSL_NO_DSA
!ENGINE_set_DSA ( e, &zencod_dsa ) ||
#endif
#ifndef OPENSSL_NO_DH
!ENGINE_set_DH ( e, &zencod_dh ) ||
#endif
!ENGINE_set_RAND ( e, &zencod_rand ) ||
!ENGINE_set_destroy_function ( e, zencod_destroy ) ||
!ENGINE_set_init_function ( e, zencod_init ) ||
!ENGINE_set_finish_function ( e, zencod_finish ) ||
!ENGINE_set_ctrl_function ( e, zencod_ctrl ) ||
!ENGINE_set_cmd_defns ( e, zencod_cmd_defns ) ||
!ENGINE_set_digests ( e, engine_digests ) ||
!ENGINE_set_ciphers ( e, engine_ciphers ) ) {
return 0 ;
}
#ifndef OPENSSL_NO_RSA
/* We know that the "PKCS1_SSLeay()" functions hook properly
* to the Zencod-specific mod_exp and mod_exp_crt so we use
* those functions. NB: We don't use ENGINE_openssl() or
* anything "more generic" because something like the RSAref
* code may not hook properly, and if you own one of these
* cards then you have the right to do RSA operations on it
* anyway!
*/
meth_rsa = RSA_PKCS1_SSLeay () ;
zencod_rsa.rsa_pub_enc = meth_rsa->rsa_pub_enc ;
zencod_rsa.rsa_pub_dec = meth_rsa->rsa_pub_dec ;
zencod_rsa.rsa_priv_enc = meth_rsa->rsa_priv_enc ;
zencod_rsa.rsa_priv_dec = meth_rsa->rsa_priv_dec ;
/* meth_rsa->rsa_mod_exp */
/* meth_rsa->bn_mod_exp */
zencod_rsa.init = meth_rsa->init ;
zencod_rsa.finish = meth_rsa->finish ;
#endif
#ifndef OPENSSL_NO_DSA
/* We use OpenSSL meth to supply what we don't provide ;-*)
*/
meth_dsa = DSA_OpenSSL () ;
/* meth_dsa->dsa_do_sign */
zencod_dsa.dsa_sign_setup = meth_dsa->dsa_sign_setup ;
/* meth_dsa->dsa_do_verify */
zencod_dsa.dsa_mod_exp = meth_dsa->dsa_mod_exp ;
/* zencod_dsa.bn_mod_exp = meth_dsa->bn_mod_exp ; */
zencod_dsa.init = meth_dsa->init ;
zencod_dsa.finish = meth_dsa->finish ;
#endif
#ifndef OPENSSL_NO_DH
/* We use OpenSSL meth to supply what we don't provide ;-*)
*/
meth_dh = DH_OpenSSL () ;
/* zencod_dh.generate_key = meth_dh->generate_key ; */
/* zencod_dh.compute_key = meth_dh->compute_key ; */
/* zencod_dh.bn_mod_exp = meth_dh->bn_mod_exp ; */
zencod_dh.init = meth_dh->init ;
zencod_dh.finish = meth_dh->finish ;
#endif
/* We use OpenSSL (SSLeay) meth to supply what we don't provide ;-*)
*/
meth_rand = RAND_SSLeay () ;
/* meth_rand->seed ; */
/* zencod_rand.seed = meth_rand->seed ; */
/* meth_rand->bytes ; */
/* zencod_rand.bytes = meth_rand->bytes ; */
zencod_rand.cleanup = meth_rand->cleanup ;
zencod_rand.add = meth_rand->add ;
/* meth_rand->pseudorand ; */
/* zencod_rand.pseudorand = meth_rand->pseudorand ; */
/* zencod_rand.status = meth_rand->status ; */
/* meth_rand->status ; */
/* Ensure the zencod error handling is set up */
ERR_load_ZENCOD_strings () ;
return 1 ;
}