1oath_hex2bin(3)                     liboath                    oath_hex2bin(3)
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NAME

6       oath_hex2bin - API function
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SYNOPSIS

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

14       const char * hexstr
15                   input string with hex data
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17       char * binstr
18                   output string that holds binary data, or NULL
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20       size_t * binlen
21                   output variable holding needed length of binstr
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DESCRIPTION

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

34       On success, OATH_OK (zero) is returned, otherwise an error code is  re‐
35       turned.
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REPORTING BUGS

38       Report  bugs  to  <oath-toolkit-help@nongnu.org>.   liboath  home page:
39       https://www.nongnu.org/oath-toolkit/ General help using  GNU  software:
40       http://www.gnu.org/gethelp/
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43       Copyright © 2009-2020 Simon Josefsson.
44       Copying  and  distribution  of this file, with or without modification,
45       are permitted in any medium without royalty provided the copyright  no‐
46       tice and this notice are preserved.
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50liboath                              2.6.7                     oath_hex2bin(3)
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