50 lines
1.8 KiB
Ada
50 lines
1.8 KiB
Ada
-- Copyright (C) 2015 Daniel Otte <bg@nerilex.org>
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--
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-- This program is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation, either version 3 of the License, or
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-- (at your option) any later version.
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--
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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with Crypto_Core_Types; use Crypto_Core_Types;
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generic
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Name_Intern : String;
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type Context_T_Intern is private;
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Block_Size_Bits_Intern : Natural;
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Key_Size_Bits_Intern : Natural;
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with procedure Initialize_Intern(Context : out Context_T_Intern; Key : in u8_Array);
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with procedure Encrypt_Intern(Context : in Context_T_Intern; Block : in out u8_Array);
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with procedure Decrypt_Intern(Context : in Context_T_Intern; Block : in out u8_Array);
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package Block_Cipher_Generic is
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Name : String renames Name_Intern;
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subtype Context_T is Context_T_Intern;
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Block_Size_Bits : Natural renames Block_Size_Bits_Intern;
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Key_Size_Bits : Natural renames Key_Size_Bits_Intern;
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Block_Size_Bytes : Natural := (Block_Size_Bits) / 8;
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Key_Size_Bytes : Natural := (Key_Size_Bits) / 8;
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procedure Initialize(Context : out Context_T_Intern; Key : in u8_Array) renames Initialize_Intern;
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procedure Encrypt(Context : in Context_T_Intern; Block : in out u8_Array) renames Encrypt_Intern;
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procedure Decrypt(Context : in Context_T_Intern; Block : in out u8_Array) renames Decrypt_Intern;
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private
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end Block_Cipher_Generic;
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