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.ads | |
| 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.ads')
| -rw-r--r-- | gcc/ada/g-shsh32.ads | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/gcc/ada/g-shsh32.ads b/gcc/ada/g-shsh32.ads new file mode 100644 index 00000000000..5b6444ba62a --- /dev/null +++ b/gcc/ada/g-shsh32.ads @@ -0,0 +1,108 @@ +------------------------------------------------------------------------------ +-- -- +-- 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 -- +-- -- +-- S p e c -- +-- -- +-- 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. -- +-- -- +------------------------------------------------------------------------------ + +-- This pacakge provides support for the 32-bit FIPS PUB 180-3 functions +-- SHA-224 and SHA-256. + +-- This is an internal unit and should not be used directly in applications. +-- Use GNAT.SHA224 and GNAT.SHA256 instead. + +with Interfaces; +with GNAT.Byte_Swapping; +with GNAT.Secure_Hashes.SHA2_Common; + +package GNAT.Secure_Hashes.SHA2_32 is + + subtype Word is Interfaces.Unsigned_32; + + package Hash_State is new Hash_Function_State + (Word => Word, + Swap => GNAT.Byte_Swapping.Swap4, + Hash_Bit_Order => System.High_Order_First); + -- SHA-224 and SHA-256 operate on 32-bit big endian words + + K : constant Hash_State.State (0 .. 63) := + (16#428a2f98#, 16#71374491#, 16#b5c0fbcf#, 16#e9b5dba5#, + 16#3956c25b#, 16#59f111f1#, 16#923f82a4#, 16#ab1c5ed5#, + 16#d807aa98#, 16#12835b01#, 16#243185be#, 16#550c7dc3#, + 16#72be5d74#, 16#80deb1fe#, 16#9bdc06a7#, 16#c19bf174#, + 16#e49b69c1#, 16#efbe4786#, 16#0fc19dc6#, 16#240ca1cc#, + 16#2de92c6f#, 16#4a7484aa#, 16#5cb0a9dc#, 16#76f988da#, + 16#983e5152#, 16#a831c66d#, 16#b00327c8#, 16#bf597fc7#, + 16#c6e00bf3#, 16#d5a79147#, 16#06ca6351#, 16#14292967#, + 16#27b70a85#, 16#2e1b2138#, 16#4d2c6dfc#, 16#53380d13#, + 16#650a7354#, 16#766a0abb#, 16#81c2c92e#, 16#92722c85#, + 16#a2bfe8a1#, 16#a81a664b#, 16#c24b8b70#, 16#c76c51a3#, + 16#d192e819#, 16#d6990624#, 16#f40e3585#, 16#106aa070#, + 16#19a4c116#, 16#1e376c08#, 16#2748774c#, 16#34b0bcb5#, + 16#391c0cb3#, 16#4ed8aa4a#, 16#5b9cca4f#, 16#682e6ff3#, + 16#748f82ee#, 16#78a5636f#, 16#84c87814#, 16#8cc70208#, + 16#90befffa#, 16#a4506ceb#, 16#bef9a3f7#, 16#c67178f2#); + -- Constants from FIPS PUB 180-3 + + function Sigma0 (X : Word) return Word; + function Sigma1 (X : Word) return Word; + function S0 (X : Word) return Word; + function S1 (X : Word) return Word; + pragma Inline (Sigma0, Sigma1, S0, S1); + -- Elementary functions Sigma^256_0, Sigma^256_1, sigma^256_0, sigma^256_1 + -- from FIPS PUB 180-3. + + procedure Transform is new SHA2_Common.Transform + (Hash_State => Hash_State, + K => K, + Rounds => 64, + Sigma0 => Sigma0, + Sigma1 => Sigma1, + S0 => S0, + S1 => S1); + + SHA224_Init_State : constant Hash_State.State (0 .. 7) := + (0 => 16#c1059ed8#, + 1 => 16#367cd507#, + 2 => 16#3070dd17#, + 3 => 16#f70e5939#, + 4 => 16#ffc00b31#, + 5 => 16#68581511#, + 6 => 16#64f98fa7#, + 7 => 16#befa4fa4#); + SHA256_Init_State : constant Hash_State.State (0 .. 7) := + (0 => 16#6a09e667#, + 1 => 16#bb67ae85#, + 2 => 16#3c6ef372#, + 3 => 16#a54ff53a#, + 4 => 16#510e527f#, + 5 => 16#9b05688c#, + 6 => 16#1f83d9ab#, + 7 => 16#5be0cd19#); + -- Initialization vectors from FIPS PUB 180-3 + +end GNAT.Secure_Hashes.SHA2_32; |