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38 results

camellia-internal.h

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  • Forked from Nettle / nettle
    Source project has a limited visibility.
    • Niels Möller's avatar
      c1552ab2
      * camellia-set-encrypt-key.c (camellia_setup128): Generate · c1552ab2
      Niels Möller authored
      unmodified subkeys according to the spec. Moved clever combination
      of subkeys to camellia_set_encrypt_key.
      (camellia_setup256): Likewise.
      (camellia_set_encrypt_key): Moved subkey post-processing code
      here, and reduce code duplication between 128-bit keys and larger
      keys.
      
      * camellia.c: Deleted file, split into several new files...
      * camellia-table.c (_camellia_table): New file with the constant
      sbox tables.
      * camellia-set-encrypt-key.c: New file.
      (camellia_setup128): Generate unmodified subkeys according to the
      spec. Moved clever combination of subkeys to camellia_set_encrypt_key.
      (camellia_setup256): Likewise.
      
      * camellia-set-decrypt-key.c: New file.
      (camellia_invert_key): Key inversion function.
      (camellia_set_decrypt_key): New key setup function.
      * camellia-internal.h: New file.
      * camellia-crypt.c (camellia_crypt): New file, new wrapper
      function passing the sbox table to _camellia_crypt.
      * camellia-crypt-internal.c (_camellia_crypt): New file, with main
      encrypt/decrypt function.
      * Makefile.in (nettle_SOURCES): Updated list of camellia source files.
      (DISTFILES): Added camellia-internal.h.
      
      Rev: nettle/ChangeLog:1.96
      Rev: nettle/Makefile.in:1.26
      Rev: nettle/camellia-crypt-internal.c:1.1
      Rev: nettle/camellia-crypt.c:1.1
      Rev: nettle/camellia-internal.h:1.1
      Rev: nettle/camellia-set-decrypt-key.c:1.1
      Rev: nettle/camellia-set-encrypt-key.c:1.1
      Rev: nettle/camellia-table.c:1.1
      Rev: nettle/camellia.c:1.5(DEAD)
      c1552ab2
      History
      * camellia-set-encrypt-key.c (camellia_setup128): Generate
      Niels Möller authored
      unmodified subkeys according to the spec. Moved clever combination
      of subkeys to camellia_set_encrypt_key.
      (camellia_setup256): Likewise.
      (camellia_set_encrypt_key): Moved subkey post-processing code
      here, and reduce code duplication between 128-bit keys and larger
      keys.
      
      * camellia.c: Deleted file, split into several new files...
      * camellia-table.c (_camellia_table): New file with the constant
      sbox tables.
      * camellia-set-encrypt-key.c: New file.
      (camellia_setup128): Generate unmodified subkeys according to the
      spec. Moved clever combination of subkeys to camellia_set_encrypt_key.
      (camellia_setup256): Likewise.
      
      * camellia-set-decrypt-key.c: New file.
      (camellia_invert_key): Key inversion function.
      (camellia_set_decrypt_key): New key setup function.
      * camellia-internal.h: New file.
      * camellia-crypt.c (camellia_crypt): New file, new wrapper
      function passing the sbox table to _camellia_crypt.
      * camellia-crypt-internal.c (_camellia_crypt): New file, with main
      encrypt/decrypt function.
      * Makefile.in (nettle_SOURCES): Updated list of camellia source files.
      (DISTFILES): Added camellia-internal.h.
      
      Rev: nettle/ChangeLog:1.96
      Rev: nettle/Makefile.in:1.26
      Rev: nettle/camellia-crypt-internal.c:1.1
      Rev: nettle/camellia-crypt.c:1.1
      Rev: nettle/camellia-internal.h:1.1
      Rev: nettle/camellia-set-decrypt-key.c:1.1
      Rev: nettle/camellia-set-encrypt-key.c:1.1
      Rev: nettle/camellia-table.c:1.1
      Rev: nettle/camellia.c:1.5(DEAD)
    aes-decrypt.c 1.18 KiB
    /* aes-decrypt.c
     *
     * Decryption function for aes/rijndael block cipher.
     */
    
    /* nettle, low-level cryptographics library
     *
     * Copyright (C) 2002 Niels Möller
     *  
     * The nettle library is free software; you can redistribute it and/or modify
     * it under the terms of the GNU Lesser General Public License as published by
     * the Free Software Foundation; either version 2.1 of the License, or (at your
     * option) any later version.
     * 
     * The nettle library 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 Lesser General Public
     * License for more details.
     * 
     * You should have received a copy of the GNU Lesser General Public License
     * along with the nettle library; see the file COPYING.LIB.  If not, write to
     * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
     * MA 02111-1307, USA.
     */
    
    #include "aes-internal.h"
    
    #include <assert.h>
    
    void
    aes_decrypt(struct aes_ctx *ctx,
    	    unsigned length, uint8_t *dst,
    	    const uint8_t *src)
    {
      assert(!(length % AES_BLOCK_SIZE) );
      _aes_crypt(ctx, &_aes_decrypt_table,
    	     length, dst, src);
    }