RSA *RSA_new_method(const ENGINE *engine) { RSA *rsa = OPENSSL_malloc(sizeof(RSA)); if (rsa == NULL) { OPENSSL_PUT_ERROR(RSA, ERR_R_MALLOC_FAILURE); return NULL; } OPENSSL_memset(rsa, 0, sizeof(RSA)); if (engine) { rsa->meth = ENGINE_get_RSA_method(engine); } if (rsa->meth == NULL) { rsa->meth = (RSA_METHOD *) RSA_default_method(); } METHOD_ref(rsa->meth); rsa->references = 1; rsa->flags = rsa->meth->flags; CRYPTO_MUTEX_init(&rsa->lock); CRYPTO_new_ex_data(&rsa->ex_data); if (rsa->meth->init && !rsa->meth->init(rsa)) { CRYPTO_free_ex_data(g_rsa_ex_data_class_bss_get(), rsa, &rsa->ex_data); CRYPTO_MUTEX_cleanup(&rsa->lock); METHOD_unref(rsa->meth); OPENSSL_free(rsa); return NULL; } return rsa; }
int RSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_unused *unused, CRYPTO_EX_dup *dup_unused, CRYPTO_EX_free *free_func) { int index; if (!CRYPTO_get_ex_new_index(g_rsa_ex_data_class_bss_get(), &index, argl, argp, free_func)) { return -1; } return index; }
void RSA_free(RSA *rsa) { unsigned u; if (rsa == NULL) { return; } if (!CRYPTO_refcount_dec_and_test_zero(&rsa->references)) { return; } if (rsa->meth->finish) { rsa->meth->finish(rsa); } METHOD_unref(rsa->meth); CRYPTO_free_ex_data(g_rsa_ex_data_class_bss_get(), rsa, &rsa->ex_data); BN_free(rsa->n); BN_free(rsa->e); BN_free(rsa->d); BN_free(rsa->p); BN_free(rsa->q); BN_free(rsa->dmp1); BN_free(rsa->dmq1); BN_free(rsa->iqmp); BN_MONT_CTX_free(rsa->mont_n); BN_MONT_CTX_free(rsa->mont_p); BN_MONT_CTX_free(rsa->mont_q); BN_free(rsa->d_fixed); BN_free(rsa->dmp1_fixed); BN_free(rsa->dmq1_fixed); BN_free(rsa->inv_small_mod_large_mont); for (u = 0; u < rsa->num_blindings; u++) { BN_BLINDING_free(rsa->blindings[u]); } OPENSSL_free(rsa->blindings); OPENSSL_free(rsa->blindings_inuse); CRYPTO_MUTEX_cleanup(&rsa->lock); OPENSSL_free(rsa); }