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| -rw-r--r-- | libsha2_unhex.3 | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/libsha2_unhex.3 b/libsha2_unhex.3 new file mode 100644 index 0000000..c1f7865 --- /dev/null +++ b/libsha2_unhex.3 @@ -0,0 +1,48 @@ +.TH LIBSHA2_UNHEX 3 2019-02-09 libjson +.SH NAME +libsha2_unhex \- Covert hexadecimal to binary +.SH SYNOPSIS +.nf +#include <libsha2.h> + +void libsha2_unhex(char *restrict \fIoutput\fP, const char *restrict \fIhashsum\fP); +.fi +.PP +Link with +.IR \-lsha2 . +.SH DESCRIPTION +The +.BR libsha2_unhex () +function converts the content of the string +.I hashsum +to binary and stores the result in +.IR output . +.PP +The user must make sure that +.I hashsum +is a NUL terminated string with an even number of characters +and each character is a hexadecimal digit (both lower case +and upper case, including mixing, is allowed). The output will +be half the length of this string, and the user must make sure +that +.I output +is at least this size. +.SH RETURN VALUE +None. +.SH ERRORS +None. +.SH EXAMPLES +None. +.SH APPLICATION USAGE +None. +.SH RATIONALE +None. +.SH FUTURE DIRECTIONS +None. +.SH NOTES +None. +.SH BUGS +None. +.SH SEE ALSO +.BR libsha2_behex_lower (3), +.BR libsha2_behex_upper (3) |