35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
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#pragma once
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struct Exchange {
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unsigned char* epubkey;
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size_t epubkey_size;
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unsigned char* signature;
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size_t signature_size;
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};
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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_exchange_protobuf_encode_size(struct Exchange* in);
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/**
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* Encode the struct Exchange 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_exchange_protobuf_encode(struct Exchange* 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 an Exchange 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 Exchange 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_exchange_protobuf_decode(unsigned char* buffer, size_t max_buffer_length, struct Exchange** out);
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