From 5ff4c5af715d098852d124de116d354ee10f4ea4 Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Mon, 11 Feb 2019 16:22:00 +0100 Subject: Split most .c files into one per function and flatten file hierarchy MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- libkeccak_unhex.3 | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 libkeccak_unhex.3 (limited to 'libkeccak_unhex.3') diff --git a/libkeccak_unhex.3 b/libkeccak_unhex.3 new file mode 100644 index 0000000..c7dc9bc --- /dev/null +++ b/libkeccak_unhex.3 @@ -0,0 +1,48 @@ +.TH LIBKECCAK_UNHEX 3 LIBKECCAK +.SH NAME +libkeccak_unhex - Converts a hexadecimal hashsum to binary +.SH SYNOPSIS +.nf +#include + +void libkeccak_unhex(void *restrict \fIoutput\fP, const char *restrict \fIhashsum\fP); +.fi +.PP +Link with +.IR -lkeccak . +.SH DESCRIPTION +The +.BR libkeccak_unhex () +function +converts a hexadecimal hashsum, stored in +.IR hashsum , +to binary, and stores the binary representation in +.IR output . +.PP +.I hashsum +must be terminated by a NUL-character. It may be +in either lowercase or uppercase, or a mixture +thereof. +.I output +will not be terminated. +.PP +(\fBstrlen\fP(\fIhashsum\fP) / 2) bytes will be +written to the beginning of +.IR Ioutput . +It should therefore have an allocation of at least +that number of bytes. +.SH RETURN VALUES +The +.BR libkeccak_unhex () +function does return any value. +.SH ERRORS +The +.BR libkeccak_unhex () +function cannot fail. +.SH NOTES +.I hashsum +must have an even number of digits +(characters excluding the terminating NUL-character.) +.SH SEE ALSO +.BR libkeccak_behex_lower (3), +.BR libkeccak_behex_upper (3) -- cgit v1.2.3-70-g09d2