gnutls_hex_decode(3) gnutls gnutls_hex_decode(3)

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);

contain the encoded data
the place where decoded data will be copied
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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3.8.5 gnutls