steelcrypt/src/tests/test_sha512.adb

83 lines
2.5 KiB
Ada

-- Copyright (C) 2015 Daniel Otte <bg@nerilex.org>
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
with Ada.Text_IO; use Ada.Text_IO;
-- with Ada.Integer_Text_IO; use Ada.Integer_Text_IO;
with Crypto_Core_Types; use Crypto_Core_Types;
with Crypto_Types; use Crypto_Types;
with SHA2_512;
use Crypto_Types.Crypto_Utils_u8;
procedure Test_SHA512 is
-- package u8_IO is new Crypto_Types.u8_Sequential_IO;
procedure Print_Hex(value : in u8) is
hex_table : constant array (0 .. 15) of Character :=
( '0', '1', '2', '3',
'4', '5', '6', '7',
'8', '9', 'a', 'b',
'c', 'd', 'e', 'f');
begin
Put(hex_table(Integer(Shift_Right(value, 4))));
Put(hex_table(Integer(value and 16#F#)));
end;
procedure Print_Hex(value : in u8_Array) is
begin
for i in value'Range loop
print_hex(value(i));
Put(" ");
end loop;
end;
procedure test_sha512(Data : in u8_Array; Bits : in Integer := -1) is
Digest : Block_512_Bit;
q : Integer := Bits;
begin
if q < 0 then
q := Data'Length * 8;
end if;
Print_Hex(Data);
Put(" (" & Integer'Image(q) & "): ");
Sha2_512.Hash(Data, Digest, Bits);
Print_Hex(Digest);
New_Line;
end test_sha512;
procedure test_sha512(Msg : in String) is
Data : u8_Array(1 .. Msg'Length);
begin
Put("""" & Msg & """: ");
for i in data'Range loop
Data(i) := u8(Character'Pos(Msg(Msg'First + i - Data'First)));
end loop;
test_sha512(Data);
New_Line;
end test_sha512;
a : u8_Array(1 .. 12);
begin
Put_Line("SHA2_512.Context_T'Size: " & Integer'Image(SHA2_512.Context_T'Size / 8));
test_sha512("");
a(1) := 16#40#;
test_sha512(a(1..1), 2);
test_sha512("abc");
test_sha512("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq");
New_Line;
end Test_SHA512;