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195 lines
4.7 KiB
C
195 lines
4.7 KiB
C
#ifndef LLARP_CRYPTO_ASYNC_H_
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#define LLARP_CRYPTO_ASYNC_H_
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#include <llarp/crypto.h>
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#include <llarp/ev.h>
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#include <llarp/logic.h>
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#include <llarp/threadpool.h>
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/**
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* crypto_async.h
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*
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* asynchronous crypto functions
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/// context for doing asynchronous crpytography for iwp
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/// with a worker threadpool
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/// defined in crypto_async.cpp
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struct llarp_async_iwp;
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/// allocator
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/// use crypto as cryptograph implementation
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/// use logic as the callback handler thread
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/// use worker as threadpool that does the heavy lifting
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struct llarp_async_iwp *
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llarp_async_iwp_new(struct llarp_crypto *crypto, struct llarp_logic *logic,
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struct llarp_threadpool *worker);
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/// deallocator
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void
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llarp_async_iwp_free(struct llarp_async_iwp *iwp);
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struct iwp_async_keygen;
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/// define functor for keygen
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typedef void (*iwp_keygen_hook)(struct iwp_async_keygen *);
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/// key generation request
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struct iwp_async_keygen
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{
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/// internal wire protocol async configuration
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struct llarp_async_iwp *iwp;
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/// a customizable pointer to pass data to iteration functor
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void *user;
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/// destination key buffer
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uint8_t *keybuf;
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/// result handler callback
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iwp_keygen_hook hook;
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};
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/// generate an encryption keypair asynchronously
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void
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iwp_call_async_keygen(struct llarp_async_iwp *iwp,
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struct iwp_async_keygen *keygen);
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struct iwp_async_intro;
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/// iwp_async_intro functor
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typedef void (*iwp_intro_hook)(struct iwp_async_intro *);
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/// iwp_async_intro request
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struct iwp_async_intro
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{
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struct llarp_async_iwp *iwp;
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void *user;
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uint8_t *buf;
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size_t sz;
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/// nonce paramter
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uint8_t *nonce;
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/// remote public key
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uint8_t *remote_pubkey;
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/// local private key
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uint8_t *secretkey;
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/// callback
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iwp_intro_hook hook;
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};
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/// asynchronously generate an intro packet
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void
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iwp_call_async_gen_intro(struct llarp_async_iwp *iwp,
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struct iwp_async_intro *intro);
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/// asynchronously verify an intro packet
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void
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iwp_call_async_verify_intro(struct llarp_async_iwp *iwp,
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struct iwp_async_intro *info);
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struct iwp_async_introack;
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/// introduction acknowledgement functor
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typedef void (*iwp_introack_hook)(struct iwp_async_introack *);
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/// introduction acknowledgement request
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struct iwp_async_introack
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{
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struct llarp_async_iwp *iwp;
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void *user;
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uint8_t *buf;
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size_t sz;
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/// nonce paramter
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uint8_t *nonce;
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/// token paramter
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uint8_t *token;
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/// remote public key
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uint8_t *remote_pubkey;
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/// local private key
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uint8_t *secretkey;
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/// callback
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iwp_introack_hook hook;
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};
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/// generate introduction acknowledgement packet asynchronously
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void
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iwp_call_async_gen_introack(struct llarp_async_iwp *iwp,
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struct iwp_async_introack *introack);
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/// verify introduction acknowledgement packet asynchronously
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void
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iwp_call_async_verify_introack(struct llarp_async_iwp *iwp,
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struct iwp_async_introack *introack);
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struct iwp_async_session_start;
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/// start session functor
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typedef void (*iwp_session_start_hook)(struct iwp_async_session_start *);
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/// start session request
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struct iwp_async_session_start
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{
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struct llarp_async_iwp *iwp;
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void *user;
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uint8_t *buf;
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size_t sz;
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/// nonce parameter
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uint8_t *nonce;
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/// token parameter
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uint8_t *token;
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/// memory to write session key to
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uint8_t *sessionkey;
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/// local secrkey key
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uint8_t *secretkey;
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/// remote public encryption key
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uint8_t *remote_pubkey;
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/// result callback handler
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iwp_session_start_hook hook;
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};
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/// generate session start packet asynchronously
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void
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iwp_call_async_gen_session_start(struct llarp_async_iwp *iwp,
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struct iwp_async_session_start *start);
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/// verify session start packet asynchronously
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void
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iwp_call_async_verify_session_start(struct llarp_async_iwp *iwp,
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struct iwp_async_session_start *start);
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struct iwp_async_frame;
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/// internal wire protocol frame request
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typedef void (*iwp_async_frame_hook)(struct iwp_async_frame *);
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struct iwp_async_frame
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{
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/// true if decryption succeded
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bool success;
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struct llarp_async_iwp *iwp;
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void *user;
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/// current session key
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uint8_t *sessionkey;
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/// size of the frame
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size_t sz;
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/// result handler
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iwp_async_frame_hook hook;
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/// memory holding the entire frame
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uint8_t buf[1500];
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};
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/// decrypt iwp frame asynchronously
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void
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iwp_call_async_frame_decrypt(struct llarp_async_iwp *iwp,
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struct iwp_async_frame *frame);
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/// encrypt iwp frame asynchronously
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void
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iwp_call_async_frame_encrypt(struct llarp_async_iwp *iwp,
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struct iwp_async_frame *frame);
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#ifdef __cplusplus
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}
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#endif
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#endif
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