diff options
Diffstat (limited to 'plugins/signal-protocol/vapi')
| -rw-r--r-- | plugins/signal-protocol/vapi/signal-protocol-native.vapi | 274 | ||||
| -rw-r--r-- | plugins/signal-protocol/vapi/signal-protocol-public.vapi | 394 |
2 files changed, 668 insertions, 0 deletions
diff --git a/plugins/signal-protocol/vapi/signal-protocol-native.vapi b/plugins/signal-protocol/vapi/signal-protocol-native.vapi new file mode 100644 index 00000000..b9ba6a31 --- /dev/null +++ b/plugins/signal-protocol/vapi/signal-protocol-native.vapi @@ -0,0 +1,274 @@ +namespace Signal { + [Compact] + [CCode (cname = "signal_context", cprefix="signal_context_", free_function="signal_context_destroy", cheader_filename = "signal_protocol.h")] + public class NativeContext { + public static int create(out NativeContext context, void* user_data); + public int set_crypto_provider(NativeCryptoProvider crypto_provider); + public int set_locking_functions(LockingFunc lock, LockingFunc unlock); + public int set_log_function(LogFunc log); + } + [CCode (has_target = false)] + public delegate void LockingFunc(void* user_data); + [CCode (has_target = false)] + public delegate void LogFunc(LogLevel level, string message, void* user_data); + + [Compact] + [CCode (cname = "signal_crypto_provider", cheader_filename = "signal_protocol.h")] + public struct NativeCryptoProvider { + public RandomFunc random_func; + public HmacSha256Init hmac_sha256_init_func; + public HmacSha256Update hmac_sha256_update_func; + public HmacSha256Final hmac_sha256_final_func; + public HmacSha256Cleanup hmac_sha256_cleanup_func; + public Sha512DigestInit sha512_digest_init_func; + public Sha512DigestUpdate sha512_digest_update_func; + public Sha512DigestFinal sha512_digest_final_func; + public Sha512DigestCleanup sha512_digest_cleanup_func; + public CryptFunc encrypt_func; + public CryptFunc decrypt_func; + public void* user_data; + } + [CCode (has_target = false)] + public delegate int RandomFunc(uint8[] data, void* user_data); + [CCode (has_target = false)] + public delegate int HmacSha256Init(out void* hmac_context, uint8[] key, void* user_data); + [CCode (has_target = false)] + public delegate int HmacSha256Update(void* hmac_context, uint8[] data, void* user_data); + [CCode (has_target = false)] + public delegate int HmacSha256Final(void* hmac_context, out Buffer buffer, void* user_data); + [CCode (has_target = false)] + public delegate int HmacSha256Cleanup(void* hmac_context, void* user_data); + [CCode (has_target = false)] + public delegate int Sha512DigestInit(out void* digest_context, void* user_data); + [CCode (has_target = false)] + public delegate int Sha512DigestUpdate(void* digest_context, uint8[] data, void* user_data); + [CCode (has_target = false)] + public delegate int Sha512DigestFinal(void* digest_context, out Buffer buffer, void* user_data); + [CCode (has_target = false)] + public delegate int Sha512DigestCleanup(void* digest_context, void* user_data); + [CCode (has_target = false)] + public delegate int CryptFunc(out Buffer output, Cipher cipher, uint8[] key, uint8[] iv, uint8[] content, void* user_data); + + [Compact] + [CCode (cname = "signal_protocol_session_store", cheader_filename = "signal_protocol.h")] + public struct NativeSessionStore { + public LoadSessionFunc load_session_func; + public GetSubDeviceSessionsFunc get_sub_device_sessions_func; + public StoreSessionFunc store_session_func; + public ContainsSessionFunc contains_session_func; + public DeleteSessionFunc delete_session_func; + public DeleteAllSessionsFunc delete_all_sessions_func; + public DestroyFunc destroy_func; + public void* user_data; + } + [CCode (has_target = false)] + public delegate int LoadSessionFunc(out Buffer buffer, Address address, void* user_data); + [CCode (has_target = false)] + public delegate int GetSubDeviceSessionsFunc(out IntList sessions, char[] name, void* user_data); + [CCode (has_target = false)] + public delegate int StoreSessionFunc(Address address, uint8[] record, void* user_data); + [CCode (has_target = false)] + public delegate int ContainsSessionFunc(Address address, void* user_data); + [CCode (has_target = false)] + public delegate int DeleteSessionFunc(Address address, void* user_data); + [CCode (has_target = false)] + public delegate int DeleteAllSessionsFunc(char[] name, void* user_data); + + [Compact] + [CCode (cname = "signal_protocol_identity_key_store", cheader_filename = "signal_protocol.h")] + public struct NativeIdentityKeyStore { + GetIdentityKeyPairFunc get_identity_key_pair; + GetLocalRegistrationIdFunc get_local_registration_id; + SaveIdentityFunc save_identity; + IsTrustedIdentityFunc is_trusted_identity; + DestroyFunc destroy_func; + void* user_data; + } + [CCode (has_target = false)] + public delegate int GetIdentityKeyPairFunc(out Buffer public_data, out Buffer private_data, void* user_data); + [CCode (has_target = false)] + public delegate int GetLocalRegistrationIdFunc(void* user_data, out uint32 registration_id); + [CCode (has_target = false)] + public delegate int SaveIdentityFunc(Address address, uint8[] key, void* user_data); + [CCode (has_target = false)] + public delegate int IsTrustedIdentityFunc(Address address, uint8[] key, void* user_data); + + [Compact] + [CCode (cname = "signal_protocol_pre_key_store", cheader_filename = "signal_protocol.h")] + public struct NativePreKeyStore { + LoadPreKeyFunc load_pre_key; + StorePreKeyFunc store_pre_key; + ContainsPreKeyFunc contains_pre_key; + RemovePreKeyFunc remove_pre_key; + DestroyFunc destroy_func; + void* user_data; + } + [CCode (has_target = false)] + public delegate int LoadPreKeyFunc(out Buffer record, uint32 pre_key_id, void* user_data); + [CCode (has_target = false)] + public delegate int StorePreKeyFunc(uint32 pre_key_id, uint8[] record, void* user_data); + [CCode (has_target = false)] + public delegate int ContainsPreKeyFunc(uint32 pre_key_id, void* user_data); + [CCode (has_target = false)] + public delegate int RemovePreKeyFunc(uint32 pre_key_id, void* user_data); + + + [Compact] + [CCode (cname = "signal_protocol_signed_pre_key_store", cheader_filename = "signal_protocol.h")] + public struct NativeSignedPreKeyStore { + LoadPreKeyFunc load_signed_pre_key; + StorePreKeyFunc store_signed_pre_key; + ContainsPreKeyFunc contains_signed_pre_key; + RemovePreKeyFunc remove_signed_pre_key; + DestroyFunc destroy_func; + void* user_data; + } + + + [Compact] + [CCode (cname = "signal_protocol_sender_key_store")] + public struct NativeSenderKeyStore { + StoreSenderKeyFunc store_sender_key; + LoadSenderKeyFunc load_sender_key; + DestroyFunc destroy_func; + void* user_data; + } + [CCode (has_target = false)] + public delegate int StoreSenderKeyFunc(SenderKeyName sender_key_name, uint8[] record, void* user_data); + [CCode (has_target = false)] + public delegate int LoadSenderKeyFunc(out Buffer record, SenderKeyName sender_key_name, void* user_data); + + [CCode (has_target = false)] + public delegate int DestroyFunc(void* user_data); + + [Compact] + [CCode (cname = "signal_protocol_store_context", cprefix = "signal_protocol_store_context_", free_function="signal_protocol_store_context_destroy", cheader_filename = "signal_protocol.h")] + public class NativeStoreContext { + public static int create(out NativeStoreContext context, NativeContext global_context); + public int set_session_store(NativeSessionStore store); + public int set_pre_key_store(NativePreKeyStore store); + public int set_signed_pre_key_store(NativeSignedPreKeyStore store); + public int set_identity_key_store(NativeIdentityKeyStore store); + public int set_sender_key_store(NativeSenderKeyStore store); + } + + + [CCode (cheader_filename = "signal_protocol.h")] + namespace Protocol { + + /** + * Interface to the pre-key store. + * These functions will use the callbacks in the provided + * signal_protocol_store_context instance and operate in terms of higher level + * library data structures. + */ + [CCode (cprefix = "signal_protocol_pre_key_")] + namespace PreKey { + public int load_key(NativeStoreContext context, out PreKeyRecord pre_key, uint32 pre_key_id); + public int store_key(NativeStoreContext context, PreKeyRecord pre_key); + public int contains_key(NativeStoreContext context, uint32 pre_key_id); + public int remove_key(NativeStoreContext context, uint32 pre_key_id); + } + + [CCode (cprefix = "signal_protocol_signed_pre_key_")] + namespace SignedPreKey { + public int load_key(NativeStoreContext context, out SignedPreKeyRecord pre_key, uint32 pre_key_id); + public int store_key(NativeStoreContext context, SignedPreKeyRecord pre_key); + public int contains_key(NativeStoreContext context, uint32 pre_key_id); + public int remove_key(NativeStoreContext context, uint32 pre_key_id); + } + + /** + * Interface to the session store. + * These functions will use the callbacks in the provided + * signal_protocol_store_context instance and operate in terms of higher level + * library data structures. + */ + [CCode (cprefix = "signal_protocol_session_")] + namespace Session { + public int load_session(NativeStoreContext context, out SessionRecord record, Address address); + public int get_sub_device_sessions(NativeStoreContext context, out IntList sessions, char[] name); + public int store_session(NativeStoreContext context, Address address, SessionRecord record); + public int contains_session(NativeStoreContext context, Address address); + public int delete_session(NativeStoreContext context, Address address); + public int delete_all_sessions(NativeStoreContext context, char[] name); + } + + namespace Identity { + public int get_key_pair(NativeStoreContext store_context, out IdentityKeyPair key_pair); + public int get_local_registration_id(NativeStoreContext store_context, out uint32 registration_id); + public int save_identity(NativeStoreContext store_context, Address address, ECPublicKey identity_key); + public int is_trusted_identity(NativeStoreContext store_context, Address address, ECPublicKey identity_key); + } + + [CCode (cheader_filename = "key_helper.h", cprefix = "signal_protocol_key_helper_")] + namespace KeyHelper { + [Compact] + [CCode (cname = "signal_protocol_key_helper_pre_key_list_node", cprefix = "signal_protocol_key_helper_key_list_", free_function="signal_protocol_key_helper_key_list_free")] + public class PreKeyListNode { + public PreKeyRecord element(); + public PreKeyListNode next(); + } + + public int generate_identity_key_pair(out IdentityKeyPair key_pair, NativeContext global_context); + public int generate_registration_id(out int32 registration_id, int extended_range, NativeContext global_context); + public int get_random_sequence(out int value, int max, NativeContext global_context); + public int generate_pre_keys(out PreKeyListNode head, uint start, uint count, NativeContext global_context); + public int generate_last_resort_pre_key(out PreKeyRecord pre_key, NativeContext global_context); + public int generate_signed_pre_key(out SignedPreKeyRecord signed_pre_key, IdentityKeyPair identity_key_pair, uint32 signed_pre_key_id, uint64 timestamp, NativeContext global_context); + public int generate_sender_signing_key(out ECKeyPair key_pair, NativeContext global_context); + public int generate_sender_key(out Buffer key_buffer, NativeContext global_context); + public int generate_sender_key_id(out int32 key_id, NativeContext global_context); + } + } + + [CCode (cheader_filename = "curve.h")] + namespace Curve { + [CCode (cname = "curve_calculate_agreement")] + public int calculate_agreement([CCode (array_length = false)] out uint8[] shared_key_data, ECPublicKey public_key, ECPrivateKey private_key); + [CCode (cname = "curve_calculate_signature")] + public int calculate_signature(NativeContext context, out Buffer signature, ECPrivateKey signing_key, uint8[] message); + [CCode (cname = "curve_verify_signature")] + public int verify_signature(ECPublicKey signing_key, uint8[] message, uint8[] signature); + } + + [CCode (cname = "session_builder_create", cheader_filename = "session_builder.h")] + public static int session_builder_create(out SessionBuilder builder, NativeStoreContext store, Address remote_address, NativeContext global_context); + [CCode (cname = "session_cipher_create", cheader_filename = "session_cipher.h")] + public static int session_cipher_create(out SessionCipher cipher, NativeStoreContext store, Address remote_address, NativeContext global_context); + [CCode (cname = "pre_key_signal_message_deserialize", cheader_filename = "protocol.h")] + public static int pre_key_signal_message_deserialize(out PreKeySignalMessage message, uint8[] data, NativeContext global_context); + [CCode (cname = "pre_key_signal_message_copy", cheader_filename = "protocol.h")] + public static int pre_key_signal_message_copy(out PreKeySignalMessage message, PreKeySignalMessage other_message, NativeContext global_context); + [CCode (cname = "signal_message_create", cheader_filename = "protocol.h")] + public static int signal_message_create(out SignalMessage message, uint8 message_version, uint8[] mac_key, ECPublicKey sender_ratchet_key, uint32 counter, uint32 previous_counter, uint8[] ciphertext, ECPublicKey sender_identity_key, ECPublicKey receiver_identity_key, NativeContext global_context); + [CCode (cname = "signal_message_deserialize", cheader_filename = "protocol.h")] + public static int signal_message_deserialize(out SignalMessage message, uint8[] data, NativeContext global_context); + [CCode (cname = "signal_message_copy", cheader_filename = "protocol.h")] + public static int signal_message_copy(out SignalMessage message, SignalMessage other_message, NativeContext global_context); + [CCode (cname = "curve_generate_key_pair", cheader_filename = "curve.h")] + public static int curve_generate_key_pair(NativeContext context, out ECKeyPair key_pair); + [CCode (cname = "curve_decode_private_point", cheader_filename = "curve.h")] + public static int curve_decode_private_point(out ECPrivateKey public_key, uint8[] key, NativeContext global_context); + [CCode (cname = "curve_decode_point", cheader_filename = "curve.h")] + public static int curve_decode_point(out ECPublicKey public_key, uint8[] key, NativeContext global_context); + [CCode (cname = "curve_generate_private_key", cheader_filename = "curve.h")] + public static int curve_generate_private_key(NativeContext context, out ECPrivateKey private_key); + [CCode (cname = "ratchet_identity_key_pair_deserialize", cheader_filename = "ratchet.h")] + public static int ratchet_identity_key_pair_deserialize(out IdentityKeyPair key_pair, uint8[] data, NativeContext global_context); + [CCode (cname = "session_signed_pre_key_deserialize", cheader_filename = "signed_pre_key.h")] + public static int session_signed_pre_key_deserialize(out SignedPreKeyRecord pre_key, uint8[] data, NativeContext global_context); + + [Compact] + [CCode (cname = "hkdf_context", cprefix = "hkdf_", free_function = "hkdf_destroy", cheader_filename = "hkdf.h")] + public class NativeHkdfContext { + public static int create(out NativeHkdfContext context, int message_version, NativeContext global_context); + public int compare(NativeHkdfContext other); + public ssize_t derive_secrets([CCode (array_length = false)] out uint8[] output, uint8[] input_key_material, uint8[] salt, uint8[] info, size_t output_len); + } + + [CCode (cname = "setup_signal_vala_crypto_provider", cheader_filename = "signal_helper.h")] + public static void setup_crypto_provider(NativeContext context); + [CCode (cname = "signal_crypto_random", cheader_filename = "signal_protocol_internal.h")] + public static int native_random(NativeContext context, uint8[] data); +}
\ No newline at end of file diff --git a/plugins/signal-protocol/vapi/signal-protocol-public.vapi b/plugins/signal-protocol/vapi/signal-protocol-public.vapi new file mode 100644 index 00000000..d0208c6c --- /dev/null +++ b/plugins/signal-protocol/vapi/signal-protocol-public.vapi @@ -0,0 +1,394 @@ +namespace Signal { + + [CCode (cname = "int", cprefix = "SG_ERR_", cheader_filename = "signal_protocol.h", has_type_id = false)] + public enum ErrorCode { + [CCode (cname = "SG_SUCCESS")] + SUCCESS, + NOMEM, + INVAL, + UNKNOWN, + DUPLICATE_MESSAGE, + INVALID_KEY, + INVALID_KEY_ID, + INVALID_MAC, + INVALID_MESSAGE, + INVALID_VERSION, + LEGACY_MESSAGE, + NO_SESSION, + STALE_KEY_EXCHANGE, + UNTRUSTED_IDENTITY, + VRF_SIG_VERIF_FAILED, + INVALID_PROTO_BUF, + FP_VERSION_MISMATCH, + FP_IDENT_MISMATCH; + } + + [CCode (cname = "SG_ERR_MINIMUM", cheader_filename = "signal_protocol.h")] + public const int MIN_ERROR_CODE; + + [CCode (cname = "int", cprefix = "SG_LOG_", cheader_filename = "signal_protocol.h", has_type_id = false)] + public enum LogLevel { + ERROR, + WARNING, + NOTICE, + INFO, + DEBUG + } + + [CCode (cname = "signal_throw_gerror_by_code_", cheader_filename = "signal_protocol.h")] + private int throw_by_code(int code, string? message = null) throws GLib.Error { + if (code < 0 && code > MIN_ERROR_CODE) { + throw new GLib.Error(-1, code, @"$(message ?? "Signal error"): $((ErrorCode)code)"); + } + return code; + } + + [CCode (cname = "int", cprefix = "SG_CIPHER_", cheader_filename = "signal_protocol.h", has_type_id = false)] + public enum Cipher { + AES_CTR_NOPADDING, + AES_CBC_PKCS5, + AES_GCM_NOPADDING + } + + [Compact] + [CCode (cname = "signal_type_base", ref_function="signal_type_ref_vapi", unref_function="signal_type_unref_vapi", cheader_filename="signal_protocol_types.h,signal_helper.h")] + public class TypeBase { + [CCode (cname = "signal_type_ref_vapi")] + public TypeBase ref(); + [CCode (cname = "signal_type_unref_vapi")] + public TypeBase unref(void* what); + } + + [Compact] + [CCode (cname = "signal_buffer", cheader_filename = "signal_protocol_types.h", free_function="signal_buffer_free")] + public class Buffer { + [CCode (cname = "signal_buffer_alloc")] + public Buffer(size_t len); + [CCode (cname = "signal_buffer_create")] + public Buffer.from(uint8[] data); + + public Buffer copy(); + public Buffer append(uint8[] data); + public int compare(Buffer other); + + public uint8 get(int i) { return data[i]; } + public void set(int i, uint8 val) { data[i] = val; } + + public uint8[] data { get { int x = (int)len(); unowned uint8[] res = _data(); res.length = x; return res; } } + + [CCode (array_length = false, cname = "signal_buffer_data")] + private unowned uint8[] _data(); + private size_t len(); + } + + [Compact] + [CCode (cname = "signal_int_list", cheader_filename = "signal_protocol_types.h", free_function="signal_int_list_free")] + public class IntList { + [CCode (cname = "signal_int_list_alloc")] + public IntList(); + [CCode (cname = "signal_int_list_push_back")] + public int add(int value); + public uint size { [CCode (cname = "signal_int_list_size")] get; } + [CCode (cname = "signal_int_list_at")] + public int get(uint index); + } + + [Compact] + [CCode (cname = "session_builder", cprefix = "session_builder_", free_function="session_builder_free", cheader_filename = "session_builder.h")] + public class SessionBuilder { + [CCode (cname = "session_builder_process_pre_key_bundle")] + private int process_pre_key_bundle_(PreKeyBundle pre_key_bundle); + [CCode (cname = "session_builder_process_pre_key_bundle_")] + public void process_pre_key_bundle(PreKeyBundle pre_key_bundle) throws GLib.Error { + throw_by_code(process_pre_key_bundle_(pre_key_bundle)); + } + } + + [Compact] + [CCode (cname = "session_pre_key_bundle", cprefix = "session_pre_key_bundle_", cheader_filename = "session_pre_key.h")] + public class PreKeyBundle : TypeBase { + public static int create(out PreKeyBundle bundle, uint32 registration_id, int device_id, uint32 pre_key_id, ECPublicKey pre_key_public, + uint32 signed_pre_key_id, ECPublicKey signed_pre_key_public, uint8[] signed_pre_key_signature, ECPublicKey identity_key); + public uint32 registration_id { get; } + public int device_id { get; } + public uint32 pre_key_id { get; } + public ECPublicKey pre_key { owned get; } + public uint32 signed_pre_key_id { get; } + public ECPublicKey signed_pre_key { owned get; } + public Buffer signed_pre_key_signature { owned get; } + public ECPublicKey identity_key { owned get; } + } + + [Compact] + [CCode (cname = "session_pre_key", cprefix = "session_pre_key_", cheader_filename = "session_pre_key.h,signal_helper.h")] + public class PreKeyRecord : TypeBase { + public PreKeyRecord(uint32 id, ECKeyPair key_pair) throws GLib.Error { + int err; + this.new(id, key_pair, out err); + throw_by_code(err); + } + [CCode (cheader_filename = "signal_helper.h")] + private PreKeyRecord.new(uint32 id, ECKeyPair key_pair, out int err); + private static int create(out PreKeyRecord pre_key, uint32 id, ECKeyPair key_pair); + //public static int deserialize(out PreKeyRecord pre_key, uint8[] data, NativeContext global_context); + [CCode (instance_pos = 2)] + public int serialze(out Buffer buffer); + public uint32 id { get; } + public ECKeyPair key_pair { get; } + } + + [Compact] + [CCode (cname = "session_record", cprefix = "session_record_", cheader_filename = "signal_protocol_types.h")] + public class SessionRecord : TypeBase { + public SessionState state { get; } + } + + [Compact] + [CCode (cname = "session_state", cprefix = "session_state_", cheader_filename = "session_state.h")] + public class SessionState : TypeBase { + //public static int create(out SessionState state, NativeContext context); + //public static int deserialize(out SessionState state, uint8[] data, NativeContext context); + //public static int copy(out SessionState state, SessionState other_state, NativeContext context); + [CCode (instance_pos = 2)] + public int serialze(out Buffer buffer); + + public uint32 session_version { get; set; } + public ECPublicKey local_identity_key { get; set; } + public ECPublicKey remote_identity_key { get; set; } + //public Ratchet.RootKey root_key { get; set; } + public uint32 previous_counter { get; set; } + public ECPublicKey sender_ratchet_key { get; } + public ECKeyPair sender_ratchet_key_pair { get; } + //public Ratchet.ChainKey sender_chain_key { get; set; } + public uint32 remote_registration_id { get; set; } + public uint32 local_registration_id { get; set; } + public int needs_refresh { get; set; } + public ECPublicKey alice_base_key { get; set; } + } + + [Compact] + [CCode (cname = "session_signed_pre_key", cprefix = "session_signed_pre_key_", cheader_filename = "session_pre_key.h")] + public class SignedPreKeyRecord : TypeBase { + public SignedPreKeyRecord(uint32 id, uint64 timestamp, ECKeyPair key_pair, uint8[] signature) throws GLib.Error { + int err; + this.new(id, timestamp, key_pair, signature, out err); + throw_by_code(err); + } + [CCode (cheader_filename = "signal_helper.h")] + private SignedPreKeyRecord.new(uint32 id, uint64 timestamp, ECKeyPair key_pair, uint8[] signature, out int err); + private static int create(out SignedPreKeyRecord pre_key, uint32 id, uint64 timestamp, ECKeyPair key_pair, uint8[] signature); + [CCode (instance_pos = 2)] + public int serialze(out Buffer buffer); + + public uint32 id { get; } + public uint64 timestamp { get; } + public ECKeyPair key_pair { get; } + public uint8[] signature { [CCode (cname = "session_signed_pre_key_get_signature_")] get { int x = (int)get_signature_len(); unowned uint8[] res = get_signature(); res.length = x; return res; } } + + [CCode (array_length = false, cname = "session_signed_pre_key_get_signature")] + private unowned uint8[] get_signature(); + private size_t get_signature_len(); + } + + /** + * Address of an Signal Protocol message recipient + */ + [Compact] + [CCode (cname = "signal_protocol_address", cprefix = "signal_protocol_address_", cheader_filename = "signal_protocol.h,signal_helper.h")] + public class Address { + public Address(); + public int32 device_id; + + public string name { owned get; set; } + } + + /** + * A representation of a (group + sender + device) tuple + */ + [Compact] + [CCode (cname = "signal_protocol_sender_key_name")] + public class SenderKeyName { + [CCode (cname = "group_id", array_length_cname="group_id_len")] + private char* group_id_; + private size_t group_id_len; + public Address sender; + } + + [Compact] + [CCode (cname = "ec_public_key", cprefix = "ec_public_key_", cheader_filename = "curve.h,signal_helper.h")] + public class ECPublicKey : TypeBase { + [CCode (cname = "curve_generate_public_key")] + public static int generate(out ECPublicKey public_key, ECPrivateKey private_key); + [CCode (instance_pos = 1, cname = "ec_public_key_serialize")] + private int serialize_([CCode (pos = 0)] out Buffer buffer); + [CCode (cname = "ec_public_key_serialize_")] + public uint8[] serialize() throws GLib.Error { + Buffer buffer; + throw_by_code(serialize_(out buffer)); + return buffer.data; + } + public int compare(ECPublicKey other); + public int memcmp(ECPublicKey other); + } + + [Compact] + [CCode (cname = "ec_private_key", cprefix = "ec_private_key_", cheader_filename = "curve.h,signal_helper.h")] + public class ECPrivateKey : TypeBase { + [CCode (instance_pos = 1, cname = "ec_private_key_serialize")] + private int serialize_([CCode (pos = 0)] out Buffer buffer); + [CCode (cname = "ec_private_key_serialize_")] + public uint8[] serialize() throws GLib.Error { + Buffer buffer; + throw_by_code(serialize_(out buffer)); + return buffer.data; + } + public int compare(ECPublicKey other); + } + + [Compact] + [CCode (cname = "ec_key_pair", cprefix="ec_key_pair_", cheader_filename = "curve.h,signal_helper.h")] + public class ECKeyPair : TypeBase { + public static int create(out ECKeyPair key_pair, ECPublicKey public_key, ECPrivateKey private_key); + public ECPublicKey public { get; } + public ECPrivateKey private { get; } + } + + [CCode (cname = "ratchet_message_keys", cheader_filename = "ratchet.h")] + public class MessageKeys { + } + + [Compact] + [CCode (cname = "ratchet_identity_key_pair", cprefix = "ratchet_identity_key_pair_", cheader_filename = "ratchet.h,signal_helper.h")] + public class IdentityKeyPair : TypeBase { + public static int create(out IdentityKeyPair key_pair, ECPublicKey public_key, ECPrivateKey private_key); + public int serialze(out Buffer buffer); + public ECPublicKey public { get; } + public ECPrivateKey private { get; } + } + + [Compact] + [CCode (cname = "ec_public_key_list")] + public class PublicKeyList {} + + /** + * The main entry point for Signal Protocol encrypt/decrypt operations. + * + * Once a session has been established with session_builder, + * this class can be used for all encrypt/decrypt operations within + * that session. + */ + [Compact] + [CCode (cname = "session_cipher", cprefix = "session_cipher_", cheader_filename = "session_cipher.h", free_function = "session_cipher_free")] + public class SessionCipher { + public void* user_data { get; set; } + public DecryptionCallback decryption_callback { set; } + [CCode (cname = "session_cipher_encrypt")] + private int encrypt_(uint8[] padded_message, out CiphertextMessage encrypted_message); + [CCode (cname = "session_cipher_encrypt_")] + public CiphertextMessage encrypt(uint8[] padded_message) throws GLib.Error { + CiphertextMessage res; + throw_by_code(encrypt_(padded_message, out res)); + return res; + } + [CCode (cname = "session_cipher_decrypt_pre_key_signal_message")] + private int decrypt_pre_key_signal_message_(PreKeySignalMessage ciphertext, void* decrypt_context, out Buffer plaintext); + [CCode (cname = "session_cipher_decrypt_pre_key_signal_message_")] + public uint8[] decrypt_pre_key_signal_message(PreKeySignalMessage ciphertext, void* decrypt_context = null) throws GLib.Error { + Buffer res; + throw_by_code(decrypt_pre_key_signal_message_(ciphertext, decrypt_context, out res)); + return res.data; + } + [CCode (cname = "session_cipher_decrypt_signal_message")] + private int decrypt_signal_message_(SignalMessage ciphertext, void* decrypt_context, out Buffer plaintext); + [CCode (cname = "session_cipher_decrypt_signal_message_")] + public uint8[] decrypt_signal_message(SignalMessage ciphertext, void* decrypt_context = null) throws GLib.Error { + Buffer res; + throw_by_code(decrypt_signal_message_(ciphertext, decrypt_context, out res)); + return res.data; + } + public int get_remote_registration_id(out uint32 remote_id); + public int get_session_version(uint32 version); + + [CCode (has_target = false)] + public delegate int DecryptionCallback(SessionCipher cipher, Buffer plaintext, void* decrypt_context); + } + + [CCode (cname = "int", cheader_filename = "protocol.h", has_type_id = false)] + public enum CiphertextType { + [CCode (cname = "CIPHERTEXT_SIGNAL_TYPE")] + SIGNAL, + [CCode (cname = "CIPHERTEXT_PREKEY_TYPE")] + PREKEY, + [CCode (cname = "CIPHERTEXT_SENDERKEY_TYPE")] + SENDERKEY, + [CCode (cname = "CIPHERTEXT_SENDERKEY_DISTRIBUTION_TYPE")] + SENDERKEY_DISTRIBUTION + } + + [Compact] + [CCode (cname = "ciphertext_message", cprefix = "ciphertext_message_", cheader_filename = "protocol.h,signal_helper.h")] + public abstract class CiphertextMessage : TypeBase { + public CiphertextType type { get; } + [CCode (cname = "ciphertext_message_get_serialized")] + private unowned Buffer get_serialized_(); + public uint8[] serialized { [CCode (cname = "ciphertext_message_get_serialized_")] get { + return get_serialized_().data; + }} + } + [Compact] + [CCode (cname = "signal_message", cprefix = "signal_message_", cheader_filename = "protocol.h,signal_helper.h")] + public class SignalMessage : CiphertextMessage { + public ECPublicKey sender_ratchet_key { get; } + public uint8 message_version { get; } + public uint32 counter { get; } + public Buffer body { get; } + //public int verify_mac(uint8 message_version, ECPublicKey sender_identity_key, ECPublicKey receiver_identity_key, uint8[] mac, NativeContext global_context); + public static int is_legacy(uint8[] data); + } + [Compact] + [CCode (cname = "pre_key_signal_message", cprefix = "pre_key_signal_message_", cheader_filename = "protocol.h,signal_helper.h")] + public class PreKeySignalMessage : CiphertextMessage { + public uint8 message_version { get; } + public ECPublicKey identity_key { get; } + public uint32 registration_id { get; } + public uint32 pre_key_id { get; } + public uint32 signed_pre_key_id { get; } + public ECPublicKey base_key { get; } + public SignalMessage signal_message { get; } + } + [Compact] + [CCode (cname = "sender_key_message", cprefix = "sender_key_message_", cheader_filename = "protocol.h,signal_helper.h")] + public class SenderKeyMessage : CiphertextMessage { + public uint32 key_id { get; } + public uint32 iteration { get; } + public Buffer ciphertext { get; } + } + [Compact] + [CCode (cname = "sender_key_distribution_message", cprefix = "sender_key_distribution_message_", cheader_filename = "protocol.h,signal_helper.h")] + public class SenderKeyDistributionMessage : CiphertextMessage { + public uint32 id { get; } + public uint32 iteration { get; } + public Buffer chain_key { get; } + public ECPublicKey signature_key { get; } + } + + [CCode (cname = "signal_vala_encrypt", cheader_filename = "signal_helper.h")] + private static int aes_encrypt_(out Buffer output, int cipher, uint8[] key, uint8[] iv, uint8[] plaintext, void *user_data); + + [CCode (cname = "signal_vala_encrypt_")] + public uint8[] aes_encrypt(int cipher, uint8[] key, uint8[] iv, uint8[] plaintext) throws GLib.Error { + Buffer buf; + throw_by_code(aes_encrypt_(out buf, cipher, key, iv, plaintext, null)); + return buf.data; + } + + [CCode (cname = "signal_vala_decrypt", cheader_filename = "signal_helper.h")] + private static int aes_decrypt_(out Buffer output, int cipher, uint8[] key, uint8[] iv, uint8[] ciphertext, void *user_data); + + [CCode (cname = "signal_vala_decrypt_")] + public uint8[] aes_decrypt(int cipher, uint8[] key, uint8[] iv, uint8[] ciphertext) throws GLib.Error { + Buffer buf; + throw_by_code(aes_decrypt_(out buf, cipher, key, iv, ciphertext, null)); + return buf.data; + } +}
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