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comparison liboctave/oct-md5.cc @ 11293:202bd0f1863d

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oct_md5_result_to_str: avoid buffer overrun; replace loop with single call to sprintf
author John W. Eaton <jwe@octave.org>
date Tue, 23 Nov 2010 03:11:32 -0500
parents 231e6d1b57d6
children 5eb10763069f
comparison
equal deleted inserted replaced
11292:231e6d1b57d6 11293:202bd0f1863d
34 #include "md5.h" 34 #include "md5.h"
35 35
36 static std::string 36 static std::string
37 oct_md5_result_to_str (const unsigned char *buf) 37 oct_md5_result_to_str (const unsigned char *buf)
38 { 38 {
39 char tmp [32]; 39 char tmp [33];
40 40
41 for (octave_idx_type i = 0; i < 16; i++) 41 sprintf (tmp,
42 sprintf (&tmp[2*i], "%02x", buf[i]); 42 "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
43 buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7],
44 buf[8], buf[9], buf[10], buf[11], buf[12], buf[13], buf[14],
45 buf[15]);
43 46
44 return std::string (tmp, 32); 47 return std::string (tmp, 32);
45 } 48 }
46 49
47 std::string 50 std::string