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oath_hex2bin(3) liboath oath_hex2bin(3)

oath_hex2bin - API function

#include <oath.h>
int oath_hex2bin(const char * hexstr, char * binstr, size_t * binlen);

const char * hexstr
input string with hex data
char * binstr
output string that holds binary data, or NULL
size_t * binlen
output variable holding needed length of binstr

Convert string with hex data to binary data.
Non-hexadecimal data are not ignored but instead will lead to an OATH_INVALID_HEX error.
If binstr is NULL, then binlen will be populated with the necessary length. If the binstr buffer is too small, OATH_TOO_SMALL_BUFFER is returned and binlen will contain the necessary length.

On success, OATH_OK (zero) is returned, otherwise an error code is returned.

Report bugs to <oath-toolkit-help@nongnu.org>. liboath home page: http://www.gnu.org/software/liboath/ General help using GNU software: http://www.gnu.org/gethelp/

Copyright © 2009-2016 Simon Josefsson.
 
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.
2.6.2 liboath

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