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g-md5.ads, g-md5.adb (Digest): Fix off-by-one error in padding computation. 

2007-04-06  Thomas Quinot  <quinot@adacore.com>

	* g-md5.ads, g-md5.adb (Digest): Fix off-by-one error in padding
	computation.

From-SVN: r123574
This commit is contained in:
Thomas Quinot 2007-04-06 11:22:29 +02:00 committed by Arnaud Charlet
parent 0fdc3afe3f
commit cf6ba14a7b
2 changed files with 6 additions and 5 deletions
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7
gcc/ada/g-md5.adb
View File

@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 2002-2005, AdaCore --
-- Copyright (C) 2002-2006, AdaCore --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
@ -187,7 +187,6 @@ package body GNAT.MD5 is
procedure Convert (X : Unsigned_32) is
Y : Unsigned_32 := X;
begin
for J in 1 .. 4 loop
Result (Cur + 1) := Hex_Digit (Y and Unsigned_32'(16#0F#));
@ -205,7 +204,9 @@ package body GNAT.MD5 is
Last_Block (1 .. C.Last) := C.Buffer (1 .. C.Last);
if C.Last > 56 then
-- Too many magic literals below, should be defined as constants ???
if C.Last > 55 then
Last_Block (C.Last + 1 .. 64) := Padding (1 .. 64 - C.Last);
Transform (C1, Last_Block);
Last_Block := (others => ASCII.NUL);

4
gcc/ada/g-md5.ads
View File

@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 2002-2005, AdaCore --
-- Copyright (C) 2002-2006, AdaCore --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
@ -46,7 +46,7 @@ package GNAT.MD5 is
type Context is private;
-- This type is the four-word (16 byte) MD buffer, as described in
-- RFC 1321 (3.3). It initial value is Initial_Context below.
-- RFC 1321 (3.3). Its initial value is Initial_Context below.
Initial_Context : constant Context;
-- Initial value of a Context object. May be used to reinitialize