diff options
| author | charlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-11-30 15:51:15 +0000 |
|---|---|---|
| committer | charlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-11-30 15:51:15 +0000 |
| commit | 12c8864cbbc7b650812120f4eb5702a0d78e2b50 (patch) | |
| tree | d0457e027e7f82244c002b36d77c8f88120b88b8 /gcc/ada/g-shsh32.adb | |
| parent | 48deb1a5591bda1400873c2c2db92912da8491e4 (diff) | |
| download | gcc-12c8864cbbc7b650812120f4eb5702a0d78e2b50.tar.gz | |
2009-11-30 Thomas Quinot <quinot@adacore.com>
* s-sechas.adb, s-sechas.ads, s-shshco.adb, s-shshco.ads, s-shsh64.adb,
s-shsh64.ads, s-sehamd.adb, s-sehamd.ads, s-shsh32.adb, s-shsh32.ads,
s-sehash.adb, s-sehash.ads, g-sechas.adb, g-sechas.ads, g-shshco.adb,
g-shshco.ads, g-md5.ads, g-sha256.ads, g-shsh64.adb, g-shsh64.ads,
g-sehamd.adb, g-sehamd.ads, g-sha512.ads, g-sha1.ads, Makefile.rtl,
g-sha224.ads, g-shsh32.adb, g-shsh32.ads, g-sha384.ads, g-sehash.adb,
g-sehash.ads: Rename System.Secure_Hashes to GNAT.Secure_Hashes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@154822 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/g-shsh32.adb')
| -rw-r--r-- | gcc/ada/g-shsh32.adb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gcc/ada/g-shsh32.adb b/gcc/ada/g-shsh32.adb new file mode 100644 index 00000000000..c9845f14d90 --- /dev/null +++ b/gcc/ada/g-shsh32.adb @@ -0,0 +1,80 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT LIBRARY COMPONENTS -- +-- -- +-- G N A T . S E C U R E _ H A S H E S . S H A 2 _ 3 2 -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2009, Free Software Foundation, Inc. -- +-- -- +-- 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- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package body GNAT.Secure_Hashes.SHA2_32 is + + use Interfaces; + + ------------ + -- Sigma0 -- + ------------ + + function Sigma0 (X : Word) return Word is + begin + return Rotate_Right (X, 2) + xor Rotate_Right (X, 13) + xor Rotate_Right (X, 22); + end Sigma0; + + ------------ + -- Sigma1 -- + ------------ + + function Sigma1 (X : Word) return Word is + begin + return Rotate_Right (X, 6) + xor Rotate_Right (X, 11) + xor Rotate_Right (X, 25); + end Sigma1; + + -------- + -- S0 -- + -------- + + function S0 (X : Word) return Word is + begin + return Rotate_Right (X, 7) + xor Rotate_Right (X, 18) + xor Shift_Right (X, 3); + end S0; + + -------- + -- S1 -- + -------- + + function S1 (X : Word) return Word is + begin + return Rotate_Right (X, 17) + xor Rotate_Right (X, 19) + xor Shift_Right (X, 10); + end S1; + +end GNAT.Secure_Hashes.SHA2_32; |