Definitions for sizes of x25519 keys and elements. More...

Macros
#define	CURVE25519_PUBKEY_LEN 32

#define	CURVE25519_SECKEY_LEN 32

#define	CURVE25519_OUTPUT_LEN 32

#define	ED25519_PUBKEY_LEN 32

#define	ED25519_SECKEY_LEN 64

#define	ED25519_SECKEY_SEED_LEN 32

#define	ED25519_SIG_LEN 64

#define	CURVE25519_BASE64_PADDED_LEN 44

#define	CURVE25519_BASE64_LEN 43

#define	ED25519_BASE64_LEN 43

#define	ED25519_SIG_BASE64_LEN 86

Detailed Description

Definitions for sizes of x25519 keys and elements.

Tor uses these definitions throughout its codebase, even in parts that don't actually do any x25519 calculations.

Definition in file x25519_sizes.h.

Macro Definition Documentation

◆ CURVE25519_BASE64_LEN

#define CURVE25519_BASE64_LEN 43

Length of a Curve25519 key when encoded in base 64, without padding.

Definition at line 40 of file x25519_sizes.h.

Referenced by curve25519_public_from_base64(), and curve25519_public_to_base64().

◆ CURVE25519_BASE64_PADDED_LEN

#define CURVE25519_BASE64_PADDED_LEN 44

Length of a Curve25519 key when encoded in base 64, with padding.

Definition at line 37 of file x25519_sizes.h.

Referenced by curve25519_public_from_base64(), curve25519_public_to_base64(), dirvote_create_microdescriptor(), encode_enc_key(), encode_onion_key(), get_outer_encrypted_layer_plaintext(), and router_dump_router_to_string().

◆ CURVE25519_OUTPUT_LEN

#define CURVE25519_OUTPUT_LEN 32

Length of the result of a curve25519 handshake.

Definition at line 24 of file x25519_sizes.h.

Referenced by build_descriptor_cookie_keys(), get_intro_secret_hs_input(), get_rend_secret_hs_input(), hs_ntor_service_get_introduce1_keys_multi(), onion_ntor3_client_handshake(), onion_skin_ntor3_create_nokeygen(), onion_skin_ntor3_server_handshake_part1(), onion_skin_ntor3_server_handshake_part2_nokeygen(), onion_skin_ntor_client_handshake(), and onion_skin_ntor_server_handshake().

◆ CURVE25519_PUBKEY_LEN

#define CURVE25519_PUBKEY_LEN 32

Length of a curve25519 public key when encoded.

Definition at line 20 of file x25519_sizes.h.

Referenced by construct_ntor_key_map(), create_rp_circuit_identifier(), curve25519_impl(), curve25519_keypair_read_from_file(), curve25519_keypair_write_to_file(), curve25519_public_from_base64(), curve25519_public_key_is_ok(), curve25519_public_to_base64(), decrypt_introduce2(), get_intro_secret_hs_input(), get_introduce2_key_material(), get_outer_encrypted_layer_plaintext(), get_rend_secret_hs_input(), get_rendezvous1_key_material(), handle_rendezvous2(), hs_cell_parse_introduce2(), init_keys(), introduce1_set_encrypted_onion_key(), microdesc_has_curve25519_onion_key(), onion_ntor3_client_handshake(), onion_skin_ntor3_create_nokeygen(), onion_skin_ntor3_server_handshake_part1(), onion_skin_ntor3_server_handshake_part2_nokeygen(), onion_skin_ntor_client_handshake(), onion_skin_ntor_create(), onion_skin_ntor_server_handshake(), parse_authorized_client_key(), parse_introduce2_encrypted(), service_authorized_client_cmp(), service_authorized_client_dup(), and store_permanent_client_auth_credentials().

◆ CURVE25519_SECKEY_LEN

#define CURVE25519_SECKEY_LEN 32

Length of a curve25519 secret key when encoded.

Definition at line 22 of file x25519_sizes.h.

Referenced by curve25519_keypair_read_from_file(), curve25519_keypair_write_to_file(), curve25519_rand_seckey_bytes(), and parse_auth_file_content().

◆ ED25519_BASE64_LEN

#define ED25519_BASE64_LEN 43

Length of a Ed25519 key when encoded in base 64, without padding.

Definition at line 43 of file x25519_sizes.h.

Referenced by check_one_family_cert(), connection_describe_peer_internal(), connection_or_client_learned_peer_id(), directory_launch_v3_desc_fetch(), directory_send_command(), dirvote_create_microdescriptor(), do_list_fingerprint(), ed25519_fmt(), format_node_description(), handle_introduce1(), hs_control_desc_event_content(), hs_control_desc_event_created(), hs_control_desc_event_failed(), hs_control_desc_event_received(), hs_control_desc_event_upload(), pick_hsdir_v3(), purge_hid_serv_request(), and router_dump_router_to_string().

◆ ED25519_PUBKEY_LEN

#define ED25519_PUBKEY_LEN 32

Length of an Ed25519 public key

Definition at line 27 of file x25519_sizes.h.

Referenced by build_blinded_key_param(), build_hs_address(), build_hs_checksum(), build_secret_data(), build_service_desc_keys(), channel_remote_identity_matches(), check_tap_onion_key_crosscert(), connection_or_compute_authenticate_cell_body(), dirserv_generate_networkstatus_vote_obj(), dirserv_would_reject_router(), ed25519_impl_spot_check(), ed25519_pubkey_eq(), ed25519_public_key_is_zero(), ed_key_init_from_file(), encode_superencrypted_data(), get_intro_secret_hs_input(), get_rend_secret_hs_input(), get_rendezvous1_key_material(), hs_build_blinded_keypair(), hs_build_blinded_pubkey(), hs_build_hs_index(), hs_build_hsdir_index(), hs_cell_build_establish_intro(), hs_circuitmap_get_intro_circ_v3_relay_side(), hs_circuitmap_get_intro_circ_v3_service_side(), hs_circuitmap_register_intro_circ_v3_relay_side(), hs_circuitmap_register_intro_circ_v3_service_side(), hs_get_extend_info_from_lspecs(), hs_get_subcredential(), hs_parse_address_impl(), introduce1_set_auth_key(), make_tap_onion_key_crosscert(), networkstatus_compute_consensus(), onion_ntor3_client_handshake(), onion_skin_ntor3_create_nokeygen(), onion_skin_ntor3_server_handshake_part1(), onion_skin_ntor3_server_handshake_part2_nokeygen(), router_parse_entry_from_string(), routerstatus_format_entry(), rsa_ed25519_crosscert_check(), tor_make_rsa_ed25519_crosscert(), validate_introduce1_parsed_cell(), and verify_establish_intro_cell().

◆ ED25519_SECKEY_LEN

#define ED25519_SECKEY_LEN 64

Length of an Ed25519 secret key

Definition at line 29 of file x25519_sizes.h.

Referenced by ed25519_impl_spot_check(), hs_build_blinded_keypair(), and load_ed_keys().

◆ ED25519_SECKEY_SEED_LEN

#define ED25519_SECKEY_SEED_LEN 32

Length of the seed that is ordinarily expanded to an Ed25519 secret key.

Definition at line 32 of file x25519_sizes.h.

◆ ED25519_SIG_BASE64_LEN

#define ED25519_SIG_BASE64_LEN 86

Length of a Ed25519 signature when encoded in base 64, without padding.

Definition at line 45 of file x25519_sizes.h.

Referenced by desc_encode_v3(), desc_sig_is_valid(), ed25519_signature_from_base64(), ed25519_signature_to_base64(), extrainfo_dump_to_string_ed_sig_helper(), and router_dump_router_to_string().

◆ ED25519_SIG_LEN

#define ED25519_SIG_LEN 64

Length of an Ed25519 signature.

Definition at line 34 of file x25519_sizes.h.

Referenced by channel_tls_process_authenticate_cell(), connection_or_compute_authenticate_cell_body(), ed25519_impl_spot_check(), ed25519_signature_from_base64(), ed25519_signature_to_base64(), hs_cell_build_establish_intro(), tor_cert_create_raw(), and tor_cert_get_checkable_sig().

Macros