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| author | Dan Albert <danalbert@google.com> | 2016-02-04 18:51:25 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2016-02-04 18:51:25 +0000 |
| commit | edbbe53c4ffa154a5f9ae3f89ba8105993d8800e (patch) | |
| tree | 4cedb380a14027d9c4d1e531c2340c43cbd79175 /gcc-4.8.1/gcc/ada/g-shsh32.adb | |
| parent | a4ca82cac69c3147143d7b4b4d7cdeb5e02f20ef (diff) | |
| parent | 3186be22b6598fbd467b126347d1c7f48ccb7f71 (diff) | |
| download | toolchain_gcc-edbbe53c4ffa154a5f9ae3f89ba8105993d8800e.tar.gz toolchain_gcc-edbbe53c4ffa154a5f9ae3f89ba8105993d8800e.tar.bz2 toolchain_gcc-edbbe53c4ffa154a5f9ae3f89ba8105993d8800e.zip | |
Merge "Check in a pristine copy of GCC 4.8.1."
Diffstat (limited to 'gcc-4.8.1/gcc/ada/g-shsh32.adb')
| -rw-r--r-- | gcc-4.8.1/gcc/ada/g-shsh32.adb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/gcc-4.8.1/gcc/ada/g-shsh32.adb b/gcc-4.8.1/gcc/ada/g-shsh32.adb new file mode 100644 index 000000000..c9845f14d --- /dev/null +++ b/gcc-4.8.1/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; |