gnutls_hex_decode man page

gnutls_hex_decode — API function


#include <gnutls/gnutls.h>

int gnutls_hex_decode(const gnutls_datum_t * hex_data, void * result, size_t * result_size);


const gnutls_datum_t * hex_data
contain the encoded data
void * result
the place where decoded data will be copied
size_t * result_size
holds the size of the result


This function will decode the given encoded data, using the hex encoding used by PSK password files.

Initially result_size must hold the maximum size available in
result , and on return it will contain the number of bytes written.


GNUTLS_E_SHORT_MEMORY_BUFFER if the buffer given is not long enough, GNUTLS_E_PARSING_ERROR on invalid hex data, or 0 on success.

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See Also

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3.5.8 gnutls gnutls