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usr / src / crypto / openssl / doc / man3 /

📁 ..
📄 ADMISSIONS.pod(6.88 KB)
📄 ASN1_INTEGER_get_int64.pod(5.15 KB)
📄 ASN1_ITEM_lookup.pod(919 B)
📄 ASN1_OBJECT_new.pod(1.34 KB)
📄 ASN1_STRING_TABLE_add.pod(1.94 KB)
📄 ASN1_STRING_length.pod(3.86 KB)
📄 ASN1_STRING_new.pod(1.22 KB)
📄 ASN1_STRING_print_ex.pod(4.38 KB)
📄 ASN1_TIME_set.pod(10.81 KB)
📄 ASN1_TYPE_get.pod(3.96 KB)
📄 ASN1_generate_nconf.pod(7.58 KB)
📄 ASYNC_WAIT_CTX_new.pod(7.17 KB)
📄 ASYNC_start_job.pod(11.95 KB)
📄 BF_encrypt.pod(5.06 KB)
📄 BIO_ADDR.pod(4.91 KB)
📄 BIO_ADDRINFO.pod(3.95 KB)
📄 BIO_connect.pod(3.71 KB)
📄 BIO_ctrl.pod(5.72 KB)
📄 BIO_f_base64.pod(2.23 KB)
📄 BIO_f_buffer.pod(3.48 KB)
📄 BIO_f_cipher.pod(2.74 KB)
📄 BIO_f_md.pod(4.71 KB)
📄 BIO_f_null.pod(913 B)
📄 BIO_f_ssl.pod(9.98 KB)
📄 BIO_find_type.pod(1.88 KB)
📄 BIO_get_data.pod(2.16 KB)
📄 BIO_get_ex_new_index.pod(2.26 KB)
📄 BIO_meth_new.pod(7.48 KB)
📄 BIO_new.pod(1.88 KB)
📄 BIO_new_CMS.pod(2.38 KB)
📄 BIO_parse_hostserv.pod(2.22 KB)
📄 BIO_printf.pod(1.6 KB)
📄 BIO_push.pod(2.44 KB)
📄 BIO_read.pod(3.58 KB)
📄 BIO_s_accept.pod(8.59 KB)
📄 BIO_s_bio.pod(8.02 KB)
📄 BIO_s_connect.pod(7.28 KB)
📄 BIO_s_fd.pod(2.63 KB)
📄 BIO_s_file.pod(4.66 KB)
📄 BIO_s_mem.pod(6.14 KB)
📄 BIO_s_null.pod(1.1 KB)
📄 BIO_s_socket.pod(1.38 KB)
📄 BIO_set_callback.pod(6.47 KB)
📄 BIO_should_retry.pod(5.58 KB)
📄 BN_BLINDING_new.pod(5.19 KB)
📄 BN_CTX_new.pod(2.15 KB)
📄 BN_CTX_start.pod(1.67 KB)
📄 BN_add.pod(4.25 KB)
📄 BN_add_word.pod(1.54 KB)
📄 BN_bn2bin.pod(4.2 KB)
📄 BN_cmp.pod(1.24 KB)
📄 BN_copy.pod(1.97 KB)
📄 BN_generate_prime.pod(7.72 KB)
📄 BN_mod_inverse.pod(1.02 KB)
📄 BN_mod_mul_montgomery.pod(2.61 KB)
📄 BN_mod_mul_reciprocal.pod(2.24 KB)
📄 BN_new.pod(1.65 KB)
📄 BN_num_bytes.pod(1.71 KB)
📄 BN_rand.pod(2.9 KB)
📄 BN_security_bits.pod(1.46 KB)
📄 BN_set_bit.pod(1.96 KB)
📄 BN_swap.pod(593 B)
📄 BN_zero.pod(1.72 KB)
📄 BUF_MEM_new.pod(2.01 KB)
📄 CMS_add0_cert.pod(2.09 KB)
📄 CMS_add1_recipient_cert.pod(2.74 KB)
📄 CMS_add1_signer.pod(4.22 KB)
📄 CMS_compress.pod(2.58 KB)
📄 CMS_decrypt.pod(3.04 KB)
📄 CMS_encrypt.pod(3.69 KB)
📄 CMS_final.pod(1.27 KB)
📄 CMS_get0_RecipientInfos.pod(6.25 KB)
📄 CMS_get0_SignerInfos.pod(3.13 KB)
📄 CMS_get0_type.pod(2.69 KB)
📄 CMS_get1_ReceiptRequest.pod(3.04 KB)
📄 CMS_sign.pod(5.16 KB)
📄 CMS_sign_receipt.pod(1.55 KB)
📄 CMS_uncompress.pod(1.66 KB)
📄 CMS_verify.pod(4.93 KB)
📄 CMS_verify_receipt.pod(1.51 KB)
📄 CONF_modules_free.pod(1.51 KB)
📄 CONF_modules_load_file.pod(5.1 KB)
📄 CRYPTO_THREAD_run_once.pod(4.67 KB)
📄 CRYPTO_get_ex_new_index.pod(6.65 KB)
📄 CRYPTO_memcmp.pod(1.02 KB)
📄 CTLOG_STORE_get0_log_by_id.pod(1.34 KB)
📄 CTLOG_STORE_new.pod(2.38 KB)
📄 CTLOG_new.pod(2.39 KB)
📄 CT_POLICY_EVAL_CTX_new.pod(3.84 KB)
📄 DEFINE_STACK_OF.pod(11.19 KB)
📄 DES_random_key.pod(14.84 KB)
📄 DH_generate_key.pod(2.27 KB)
📄 DH_generate_parameters.pod(4.28 KB)
📄 DH_get0_pqg.pod(5.44 KB)
📄 DH_get_1024_160.pod(2.21 KB)
📄 DH_meth_new.pod(7.12 KB)
📄 DH_new.pod(1.04 KB)
📄 DH_new_by_nid.pod(1.1 KB)
📄 DH_set_method.pod(3.1 KB)
📄 DH_size.pod(1.28 KB)
📄 DSA_SIG_new.pod(1.67 KB)
📄 DSA_do_sign.pod(1.4 KB)
📄 DSA_dup_DH.pod(948 B)
📄 DSA_generate_key.pod(1.07 KB)
📄 DSA_generate_parameters.pod(3.75 KB)
📄 DSA_get0_pqg.pod(4.76 KB)
📄 DSA_meth_new.pod(10.34 KB)
📄 DSA_new.pod(1.11 KB)
📄 DSA_set_method.pod(3.13 KB)
📄 DSA_sign.pod(2.2 KB)
📄 DSA_size.pod(1.18 KB)
📄 DTLS_get_data_mtu.pod(896 B)
📄 DTLS_set_timer_cb.pod(933 B)
📄 DTLSv1_listen.pod(6.33 KB)
📄 ECDSA_SIG_new.pod(7.52 KB)
📄 ECPKParameters_print.pod(1.25 KB)
📄 EC_GFp_simple_method.pod(2.99 KB)
📄 EC_GROUP_copy.pod(11.5 KB)
📄 EC_GROUP_new.pod(6.51 KB)
📄 EC_KEY_get_enc_flags.pod(2.02 KB)
📄 EC_KEY_new.pod(8.4 KB)
📄 EC_POINT_add.pod(4.72 KB)
📄 EC_POINT_new.pod(11.97 KB)
📄 ENGINE_add.pod(30.56 KB)
📄 ERR_GET_LIB.pod(1.77 KB)
📄 ERR_clear_error.pod(652 B)
📄 ERR_error_string.pod(2.29 KB)
📄 ERR_get_error.pod(2.72 KB)
📄 ERR_load_crypto_strings.pod(1.38 KB)
📄 ERR_load_strings.pod(1.36 KB)
📄 ERR_print_errors.pod(1.66 KB)
📄 ERR_put_error.pod(2.46 KB)
📄 ERR_remove_state.pod(1.11 KB)
📄 ERR_set_mark.pod(995 B)
📄 EVP_BytesToKey.pod(2.56 KB)
📄 EVP_CIPHER_CTX_get_cipher_data.pod(1.73 KB)
📄 EVP_CIPHER_meth_new.pod(9.63 KB)
📄 EVP_DigestInit.pod(14.05 KB)
📄 EVP_DigestSignInit.pod(5.93 KB)
📄 EVP_DigestVerifyInit.pod(4.58 KB)
📄 EVP_EncodeInit.pod(7.99 KB)
📄 EVP_EncryptInit.pod(25.77 KB)
📄 EVP_MD_meth_new.pod(7.43 KB)
📄 EVP_OpenInit.pod(2.21 KB)
📄 EVP_PKEY_ASN1_METHOD.pod(17.54 KB)
📄 EVP_PKEY_CTX_ctrl.pod(21.94 KB)
📄 EVP_PKEY_CTX_new.pod(1.86 KB)
📄 EVP_PKEY_CTX_set1_pbe_pass.pod(1.76 KB)
📄 EVP_PKEY_CTX_set_hkdf_md.pod(5.56 KB)
📄 EVP_PKEY_CTX_set_rsa_pss_keygen_md.pod(3.32 KB)
📄 EVP_PKEY_CTX_set_scrypt_N.pod(2.47 KB)
📄 EVP_PKEY_CTX_set_tls1_prf_md.pod(3.53 KB)
📄 EVP_PKEY_asn1_get_count.pod(2.75 KB)
📄 EVP_PKEY_cmp.pod(2.38 KB)
📄 EVP_PKEY_decrypt.pod(2.88 KB)
📄 EVP_PKEY_derive.pod(2.81 KB)
📄 EVP_PKEY_encrypt.pod(3.11 KB)
📄 EVP_PKEY_get_default_digest_nid.pod(1.45 KB)
📄 EVP_PKEY_keygen.pod(6.74 KB)
📄 EVP_PKEY_meth_get_count.pod(1.39 KB)
📄 EVP_PKEY_meth_new.pod(23.81 KB)
📄 EVP_PKEY_new.pod(6.02 KB)
📄 EVP_PKEY_print_private.pod(1.96 KB)
📄 EVP_PKEY_set1_RSA.pod(6.2 KB)
📄 EVP_PKEY_sign.pod(3.32 KB)
📄 EVP_PKEY_size.pod(2.86 KB)
📄 EVP_PKEY_verify.pod(3 KB)
📄 EVP_PKEY_verify_recover.pod(3.47 KB)
📄 EVP_SealInit.pod(3.35 KB)
📄 EVP_SignInit.pod(3.46 KB)
📄 EVP_VerifyInit.pod(3.07 KB)
📄 EVP_aes.pod(4.95 KB)
📄 EVP_aria.pod(2.46 KB)
📄 EVP_bf_cbc.pod(1.2 KB)
📄 EVP_blake2b512.pod(1.39 KB)
📄 EVP_camellia.pod(2.21 KB)
📄 EVP_cast5_cbc.pod(1.23 KB)
📄 EVP_chacha20.pod(1.53 KB)
📄 EVP_des.pod(2.02 KB)
📄 EVP_desx_cbc.pod(962 B)
📄 EVP_idea_cbc.pod(1.18 KB)
📄 EVP_md2.pod(949 B)
📄 EVP_md4.pod(974 B)
📄 EVP_md5.pod(1.27 KB)
📄 EVP_mdc2.pod(1.06 KB)
📄 EVP_rc2_cbc.pod(1.76 KB)
📄 EVP_rc4.pod(1.47 KB)
📄 EVP_rc5_32_12_16_cbc.pod(1.97 KB)
📄 EVP_ripemd160.pod(1.06 KB)
📄 EVP_seed_cbc.pod(1.26 KB)
📄 EVP_sha1.pod(1.04 KB)
📄 EVP_sha224.pod(1.58 KB)
📄 EVP_sha3_224.pod(1.64 KB)
📄 EVP_sm3.pod(971 B)
📄 EVP_sm4_cbc.pod(1.38 KB)
📄 EVP_whirlpool.pod(1.01 KB)
📄 HMAC.pod(4.96 KB)
📄 MD5.pod(2.74 KB)
📄 MDC2_Init.pod(1.88 KB)
📄 OBJ_nid2obj.pod(6.56 KB)
📄 OCSP_REQUEST_new.pod(3.42 KB)
📄 OCSP_cert_to_id.pod(2.8 KB)
📄 OCSP_request_add1_nonce.pod(3.02 KB)
📄 OCSP_resp_find_status.pod(8.6 KB)
📄 OCSP_response_status.pod(4.09 KB)
📄 OCSP_sendreq_new.pod(5.01 KB)
📄 OPENSSL_Applink.pod(1.06 KB)
📄 OPENSSL_LH_COMPFUNC.pod(9.13 KB)
📄 OPENSSL_LH_stats.pod(2.18 KB)
📄 OPENSSL_VERSION_NUMBER.pod(2.8 KB)
📄 OPENSSL_config.pod(2.53 KB)
📄 OPENSSL_fork_prepare.pod(2 KB)
📄 OPENSSL_ia32cap.pod(5.81 KB)
📄 OPENSSL_init_crypto.pod(11.44 KB)
📄 OPENSSL_init_ssl.pod(2.73 KB)
📄 OPENSSL_instrument_bus.pod(1.98 KB)
📄 OPENSSL_load_builtin_modules.pod(1.55 KB)
📄 OPENSSL_malloc.pod(10.62 KB)
📄 OPENSSL_secure_malloc.pod(5.01 KB)
📄 OSSL_STORE_INFO.pod(7.93 KB)
📄 OSSL_STORE_LOADER.pod(10.26 KB)
📄 OSSL_STORE_SEARCH.pod(7.1 KB)
📄 OSSL_STORE_expect.pod(2.4 KB)
📄 OSSL_STORE_open.pod(6.19 KB)
📄 OpenSSL_add_all_algorithms.pod(1.62 KB)
📄 PEM_bytes_read_bio.pod(3.21 KB)
📄 PEM_read.pod(5.23 KB)
📄 PEM_read_CMS.pod(2.86 KB)
📄 PEM_read_bio_PrivateKey.pod(19.84 KB)
📄 PEM_read_bio_ex.pod(2.27 KB)
📄 PEM_write_bio_CMS_stream.pod(1.15 KB)
📄 PEM_write_bio_PKCS7_stream.pod(1.13 KB)
📄 PKCS12_create.pod(3.12 KB)
📄 PKCS12_newpass.pod(3.22 KB)
📄 PKCS12_parse.pod(2.29 KB)
📄 PKCS5_PBKDF2_HMAC.pod(2.61 KB)
📄 PKCS7_decrypt.pod(1.71 KB)
📄 PKCS7_encrypt.pod(2.99 KB)
📄 PKCS7_sign.pod(4.65 KB)
📄 PKCS7_sign_add_signer.pod(3.45 KB)
📄 PKCS7_verify.pod(4.99 KB)
📄 RAND_DRBG_generate.pod(3.02 KB)
📄 RAND_DRBG_get0_master.pod(2.29 KB)
📄 RAND_DRBG_new.pod(3.92 KB)
📄 RAND_DRBG_reseed.pod(4.15 KB)
📄 RAND_DRBG_set_callbacks.pod(5.34 KB)
📄 RAND_DRBG_set_ex_data.pod(1.95 KB)
📄 RAND_add.pod(3.5 KB)
📄 RAND_bytes.pod(2.64 KB)
📄 RAND_cleanup.pod(969 B)
📄 RAND_egd.pod(1.93 KB)
📄 RAND_load_file.pod(2.35 KB)
📄 RAND_set_rand_method.pod(1.96 KB)
📄 RC4_set_key.pod(1.88 KB)
📄 RIPEMD160_Init.pod(1.91 KB)
📄 RSA_blinding_on.pod(1.13 KB)
📄 RSA_check_key.pod(2.72 KB)
📄 RSA_generate_key.pod(3.37 KB)
📄 RSA_get0_key.pod(7.87 KB)
📄 RSA_meth_new.pod(12.09 KB)
📄 RSA_new.pod(1.08 KB)
📄 RSA_padding_add_PKCS1_type_1.pod(5.83 KB)
📄 RSA_print.pod(1.25 KB)
📄 RSA_private_encrypt.pod(2.12 KB)
📄 RSA_public_encrypt.pod(3.62 KB)
📄 RSA_set_method.pod(6.87 KB)
📄 RSA_sign.pod(1.87 KB)
📄 RSA_sign_ASN1_OCTET_STRING.pod(1.99 KB)
📄 RSA_size.pod(1.21 KB)
📄 SCT_new.pod(6.29 KB)
📄 SCT_print.pod(1.81 KB)
📄 SCT_validate.pod(3.08 KB)
📄 SHA256_Init.pod(3.67 KB)
📄 SMIME_read_CMS.pod(2.05 KB)
📄 SMIME_read_PKCS7.pod(2.04 KB)
📄 SMIME_write_CMS.pod(2.09 KB)
📄 SMIME_write_PKCS7.pod(2.12 KB)
📄 SSL_CIPHER_get_name.pod(7.64 KB)
📄 SSL_COMP_add_compression_method.pod(3.51 KB)
📄 SSL_CONF_CTX_new.pod(1.18 KB)
📄 SSL_CONF_CTX_set1_prefix.pod(1.68 KB)
📄 SSL_CONF_CTX_set_flags.pod(2.24 KB)
📄 SSL_CONF_CTX_set_ssl_ctx.pod(1.5 KB)
📄 SSL_CONF_cmd.pod(26.33 KB)
📄 SSL_CONF_cmd_argv.pod(1.33 KB)
📄 SSL_CTX_add1_chain_cert.pod(6.75 KB)
📄 SSL_CTX_add_extra_chain_cert.pod(2.37 KB)
📄 SSL_CTX_add_session.pod(2.32 KB)
📄 SSL_CTX_config.pod(2.2 KB)
📄 SSL_CTX_ctrl.pod(1.23 KB)
📄 SSL_CTX_dane_enable.pod(15.98 KB)
📄 SSL_CTX_flush_sessions.pod(1.63 KB)
📄 SSL_CTX_free.pod(1.45 KB)
📄 SSL_CTX_get0_param.pod(1.73 KB)
📄 SSL_CTX_get_verify_mode.pod(1.94 KB)
📄 SSL_CTX_has_client_custom_ext.pod(889 B)
📄 SSL_CTX_load_verify_locations.pod(5.6 KB)
📄 SSL_CTX_new.pod(8.02 KB)
📄 SSL_CTX_sess_number.pod(3.03 KB)
📄 SSL_CTX_sess_set_cache_size.pod(1.83 KB)
📄 SSL_CTX_sess_set_get_cb.pod(5.68 KB)
📄 SSL_CTX_sessions.pod(1.19 KB)
📄 SSL_CTX_set0_CA_list.pod(7.78 KB)
📄 SSL_CTX_set1_curves.pod(4.03 KB)
📄 SSL_CTX_set1_sigalgs.pod(4.4 KB)
📄 SSL_CTX_set1_verify_cert_store.pod(3.4 KB)
📄 SSL_CTX_set_alpn_select_cb.pod(8.24 KB)
📄 SSL_CTX_set_cert_cb.pod(2.99 KB)
📄 SSL_CTX_set_cert_store.pod(3.17 KB)
📄 SSL_CTX_set_cert_verify_callback.pod(2.88 KB)
📄 SSL_CTX_set_cipher_list.pod(3.77 KB)
📄 SSL_CTX_set_client_cert_cb.pod(4.71 KB)
📄 SSL_CTX_set_client_hello_cb.pod(6.56 KB)
📄 SSL_CTX_set_ct_validation_callback.pod(5.87 KB)
📄 SSL_CTX_set_ctlog_list_file.pod(1.54 KB)
📄 SSL_CTX_set_default_passwd_cb.pod(4.18 KB)
📄 SSL_CTX_set_ex_data.pod(1.46 KB)
📄 SSL_CTX_set_generate_session_id.pod(5.54 KB)
📄 SSL_CTX_set_info_callback.pod(5.12 KB)
📄 SSL_CTX_set_keylog_callback.pod(1.76 KB)
📄 SSL_CTX_set_max_cert_list.pod(2.89 KB)
📄 SSL_CTX_set_min_proto_version.pod(2.35 KB)
📄 SSL_CTX_set_mode.pod(6.1 KB)
📄 SSL_CTX_set_msg_callback.pod(4.72 KB)
📄 SSL_CTX_set_num_tickets.pod(2.44 KB)
📄 SSL_CTX_set_options.pod(13.54 KB)
📄 SSL_CTX_set_psk_client_callback.pod(7.17 KB)
📄 SSL_CTX_set_quiet_shutdown.pod(2.28 KB)
📄 SSL_CTX_set_read_ahead.pod(2.64 KB)
📄 SSL_CTX_set_record_padding_callback.pod(4.04 KB)
📄 SSL_CTX_set_security_level.pod(7.5 KB)
📄 SSL_CTX_set_session_cache_mode.pod(4.92 KB)
📄 SSL_CTX_set_session_id_context.pod(2.97 KB)
📄 SSL_CTX_set_session_ticket_cb.pod(7.91 KB)
📄 SSL_CTX_set_split_send_fragment.pod(7.82 KB)
📄 SSL_CTX_set_ssl_version.pod(1.72 KB)
📄 SSL_CTX_set_stateless_cookie_generate_cb.pod(3.98 KB)
📄 SSL_CTX_set_timeout.pod(2.07 KB)
📄 SSL_CTX_set_tlsext_servername_callback.pod(6.82 KB)
📄 SSL_CTX_set_tlsext_status_cb.pod(5.52 KB)
📄 SSL_CTX_set_tlsext_ticket_key_cb.pod(7.81 KB)
📄 SSL_CTX_set_tlsext_use_srtp.pod(4.16 KB)
📄 SSL_CTX_set_tmp_dh_callback.pod(4.95 KB)
📄 SSL_CTX_set_verify.pod(13.82 KB)
📄 SSL_CTX_use_certificate.pod(9.83 KB)
📄 SSL_CTX_use_psk_identity_hint.pod(6.3 KB)
📄 SSL_CTX_use_serverinfo.pod(3.33 KB)
📄 SSL_SESSION_free.pod(2.91 KB)
📄 SSL_SESSION_get0_cipher.pod(1.63 KB)
📄 SSL_SESSION_get0_hostname.pod(2.54 KB)
📄 SSL_SESSION_get0_id_context.pod(1.61 KB)
📄 SSL_SESSION_get0_peer.pod(927 B)
📄 SSL_SESSION_get_compress_id.pod(937 B)
📄 SSL_SESSION_get_ex_data.pod(1.32 KB)
📄 SSL_SESSION_get_protocol_version.pod(1.7 KB)
📄 SSL_SESSION_get_time.pod(2.28 KB)
📄 SSL_SESSION_has_ticket.pod(1.81 KB)
📄 SSL_SESSION_is_resumable.pod(1.05 KB)
📄 SSL_SESSION_print.pod(1.14 KB)
📄 SSL_SESSION_set1_id.pod(1.38 KB)
📄 SSL_accept.pod(2.51 KB)
📄 SSL_alert_type_string.pod(7.36 KB)
📄 SSL_alloc_buffers.pod(1.96 KB)
📄 SSL_check_chain.pod(3.1 KB)
📄 SSL_clear.pod(2.51 KB)
📄 SSL_connect.pod(3.39 KB)
📄 SSL_do_handshake.pod(2.52 KB)
📄 SSL_export_keying_material.pod(3.76 KB)
📄 SSL_extension_supported.pod(11.83 KB)
📄 SSL_free.pod(1.61 KB)
📄 SSL_get0_peer_scts.pod(1.23 KB)
📄 SSL_get_SSL_CTX.pod(751 B)
📄 SSL_get_all_async_fds.pod(3.42 KB)
📄 SSL_get_ciphers.pod(4.88 KB)
📄 SSL_get_client_random.pod(4.13 KB)
📄 SSL_get_current_cipher.pod(2.42 KB)
📄 SSL_get_default_timeout.pod(1.23 KB)
📄 SSL_get_error.pod(7.34 KB)
📄 SSL_get_extms_support.pod(922 B)
📄 SSL_get_fd.pod(1.19 KB)
📄 SSL_get_peer_cert_chain.pod(2.51 KB)
📄 SSL_get_peer_certificate.pod(1.66 KB)
📄 SSL_get_peer_signature_nid.pod(1.83 KB)
📄 SSL_get_peer_tmp_key.pod(1.48 KB)
📄 SSL_get_psk_identity.pod(1.2 KB)
📄 SSL_get_rbio.pod(957 B)
📄 SSL_get_session.pod(4.05 KB)
📄 SSL_get_shared_sigalgs.pod(3.33 KB)
📄 SSL_get_verify_result.pod(1.58 KB)
📄 SSL_get_version.pod(2.31 KB)
📄 SSL_in_init.pod(3.02 KB)
📄 SSL_key_update.pod(4.38 KB)
📄 SSL_library_init.pod(1.24 KB)
📄 SSL_load_client_CA_file.pod(2.13 KB)
📄 SSL_new.pod(3.97 KB)
📄 SSL_pending.pod(2.71 KB)
📄 SSL_read.pod(6.11 KB)
📄 SSL_read_early_data.pod(18.94 KB)
📄 SSL_rstate_string.pod(1.53 KB)
📄 SSL_session_reused.pod(1.1 KB)
📄 SSL_set1_host.pod(4.42 KB)
📄 SSL_set_bio.pod(3.57 KB)
📄 SSL_set_connect_state.pod(2.55 KB)
📄 SSL_set_fd.pod(1.63 KB)
📄 SSL_set_session.pod(2.06 KB)
📄 SSL_set_shutdown.pod(2.15 KB)
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Editing: EVP_PKEY_derive.pod

=pod

=head1 NAME

EVP_PKEY_derive_init, EVP_PKEY_derive_set_peer, EVP_PKEY_derive - derive public key algorithm shared secret

=head1 SYNOPSIS

#include <openssl/evp.h>

int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);

=head1 DESCRIPTION

The EVP_PKEY_derive_init() function initializes a public key algorithm
context using key B<pkey> for shared secret derivation.

The EVP_PKEY_derive_set_peer() function sets the peer key: this will normally
be a public key.

The EVP_PKEY_derive() derives a shared secret using B<ctx>.
If B<key> is B<NULL> then the maximum size of the output buffer is written to
the B<keylen> parameter. If B<key> is not B<NULL> then before the call the
B<keylen> parameter should contain the length of the B<key> buffer, if the call
is successful the shared secret is written to B<key> and the amount of data
written to B<keylen>.

=head1 NOTES

After the call to EVP_PKEY_derive_init() algorithm specific control
operations can be performed to set any appropriate parameters for the
operation.

The function EVP_PKEY_derive() can be called more than once on the same
context if several operations are performed using the same parameters.

=head1 RETURN VALUES

EVP_PKEY_derive_init() and EVP_PKEY_derive() return 1 for success and 0
or a negative value for failure. In particular a return value of -2
indicates the operation is not supported by the public key algorithm.

=head1 EXAMPLES

Derive shared secret (for example DH or EC keys):

#include <openssl/evp.h>
 #include <openssl/rsa.h>

EVP_PKEY_CTX *ctx;
 ENGINE *eng;
 unsigned char *skey;
 size_t skeylen;
 EVP_PKEY *pkey, *peerkey;
 /* NB: assumes pkey, eng, peerkey have been already set up */

ctx = EVP_PKEY_CTX_new(pkey, eng);
 if (!ctx)
     /* Error occurred */
 if (EVP_PKEY_derive_init(ctx) <= 0)
     /* Error */
 if (EVP_PKEY_derive_set_peer(ctx, peerkey) <= 0)
     /* Error */

/* Determine buffer length */
 if (EVP_PKEY_derive(ctx, NULL, &skeylen) <= 0)
     /* Error */

skey = OPENSSL_malloc(skeylen);

if (!skey)
     /* malloc failure */

if (EVP_PKEY_derive(ctx, skey, &skeylen) <= 0)
     /* Error */

/* Shared secret is skey bytes written to buffer skey */

=head1 SEE ALSO

L<EVP_PKEY_CTX_new(3)>,
L<EVP_PKEY_encrypt(3)>,
L<EVP_PKEY_decrypt(3)>,
L<EVP_PKEY_sign(3)>,
L<EVP_PKEY_verify(3)>,
L<EVP_PKEY_verify_recover(3)>,

=head1 HISTORY

These functions were added in OpenSSL 1.0.0.

=head1 COPYRIGHT

Licensed under the OpenSSL license (the "License").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.

=cut

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