Cross Reference: /external/boringssl/src/crypto/dh/dh.c

Lines Matching refs:dh
57 #include <openssl/dh.h>
79   DH *dh = (DH *)OPENSSL_malloc(sizeof(DH));
80   if (dh == NULL) {
85   memset(dh, 0, sizeof(DH));
88     dh->meth = ENGINE_get_DH_method(engine);
91   if (dh->meth == NULL) {
92     dh->meth = (DH_METHOD*) &DH_default_method;
94   METHOD_ref(dh->meth);
96   CRYPTO_MUTEX_init(&dh->method_mont_p_lock);
98   dh->references = 1;
99   if (!CRYPTO_new_ex_data(&g_ex_data_class, dh, &dh->ex_data)) {
100     OPENSSL_free(dh);
104   if (dh->meth->init && !dh->meth->init(dh)) {
105     CRYPTO_free_ex_data(&g_ex_data_class, dh, &dh->ex_data);
106     METHOD_unref(dh->meth);
107     OPENSSL_free(dh);
111   return dh;
114 void DH_free(DH *dh) {
115   if (dh == NULL) {
119   if (!CRYPTO_refcount_dec_and_test_zero(&dh->references)) {
123   if (dh->meth->finish) {
124     dh->meth->finish(dh);
126   METHOD_unref(dh->meth);
128   CRYPTO_free_ex_data(&g_ex_data_class, dh, &dh->ex_data);
130   if (dh->method_mont_p) BN_MONT_CTX_free(dh->method_mont_p);
131   if (dh->p != NULL) BN_clear_free(dh->p);
132   if (dh->g != NULL) BN_clear_free(dh->g);
133   if (dh->q != NULL) BN_clear_free(dh->q);
134   if (dh->j != NULL) BN_clear_free(dh->j);
135   if (dh->seed) OPENSSL_free(dh->seed);
136   if (dh->counter != NULL) BN_clear_free(dh->counter);
137   if (dh->pub_key != NULL) BN_clear_free(dh->pub_key);
138   if (dh->priv_key != NULL) BN_clear_free(dh->priv_key);
139   CRYPTO_MUTEX_cleanup(&dh->method_mont_p_lock);
141   OPENSSL_free(dh);
144 int DH_generate_parameters_ex(DH *dh, int prime_bits, int generator, BN_GENCB *cb) {
145   if (dh->meth->generate_parameters) {
146     return dh->meth->generate_parameters(dh, prime_bits, generator, cb);
148   return DH_default_method.generate_parameters(dh, prime_bits, generator, cb);
151 int DH_generate_key(DH *dh) {
152   if (dh->meth->generate_key) {
153     return dh->meth->generate_key(dh);
155   return DH_default_method.generate_key(dh);
158 int DH_compute_key(unsigned char *out, const BIGNUM *peers_key, DH *dh) {
159   if (dh->meth->compute_key) {
160     return dh->meth->compute_key(dh, out, peers_key);
162   return DH_default_method.compute_key(dh, out, peers_key);
165 int DH_size(const DH *dh) { return BN_num_bytes(dh->p); }
167 unsigned DH_num_bits(const DH *dh) { return BN_num_bits(dh->p); }
169 int DH_up_ref(DH *dh) {
170   CRYPTO_refcount_inc(&dh->references);
222 DH *DHparams_dup(const DH *dh) {
228   if (!int_dh_param_copy(ret, dh, -1)) {