53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
#pragma once
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struct Propose {
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unsigned char* rand;
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size_t rand_size;
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// a protobuf'd struct PublicKey (defined in crypto/key.h)
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unsigned char* public_key;
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size_t public_key_size;
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char* exchanges;
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size_t exchanges_size;
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char* ciphers;
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size_t ciphers_size;
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char* hashes;
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size_t hashes_size;
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};
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struct Propose* libp2p_secio_propose_new();
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void libp2p_secio_propose_free(struct Propose* in);
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/**
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* Helper to set the property to a value
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* @param to the property
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* @param to_size the size that matches the property
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* @param from the value to be set in the property
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* @param from_size the size of from
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* @returns true(1) on success, otherwise false(0)
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*/
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int libp2p_secio_propose_set_property(void** to, size_t* to_size, const void* from, size_t from_size);
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/**
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* retrieves the approximate size of an encoded version of the passed in struct
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* @param in the struct to look at
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* @reutrns the size of buffer needed
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*/
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size_t libp2p_secio_propose_protobuf_encode_size(struct Propose* in);
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/**
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* Encode the struct Propose in protobuf format
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* @param in the struct to be encoded
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* @param buffer where to put the results
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* @param max_buffer_length the max to write
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* @param bytes_written how many bytes were written to the buffer
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* @returns true(1) on success, otherwise false(0)
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*/
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int libp2p_secio_propose_protobuf_encode(struct Propose* in, unsigned char* buffer, size_t max_buffer_length, size_t* bytes_written);
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/**
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* Turns a protobuf array into a Propose struct
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* @param buffer the protobuf array
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* @param max_buffer_length the length of the buffer
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* @param out a pointer to the new struct Propose NOTE: this method allocates memory
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* @returns true(1) on success, otherwise false(0)
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*/
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int libp2p_secio_propose_protobuf_decode(unsigned char* buffer, size_t max_buffer_length, struct Propose** out);
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