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157 lines
6.4 KiB
C
157 lines
6.4 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Network Security Services.
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*
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* The Initial Developer of the Original Code is
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* Red Hat Inc.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ulrich Drepper <drepper@redhat.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* Prototypes of the functions defined in the assembler file. */
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void intel_aes_encrypt_init_128(const unsigned char *key, PRUint32 *expanded);
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void intel_aes_encrypt_init_192(const unsigned char *key, PRUint32 *expanded);
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void intel_aes_encrypt_init_256(const unsigned char *key, PRUint32 *expanded);
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void intel_aes_decrypt_init_128(const unsigned char *key, PRUint32 *expanded);
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void intel_aes_decrypt_init_192(const unsigned char *key, PRUint32 *expanded);
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void intel_aes_decrypt_init_256(const unsigned char *key, PRUint32 *expanded);
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SECStatus intel_aes_encrypt_ecb_128(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_decrypt_ecb_128(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_encrypt_cbc_128(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_decrypt_cbc_128(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_encrypt_ecb_192(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_decrypt_ecb_192(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_encrypt_cbc_192(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_decrypt_cbc_192(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_encrypt_ecb_256(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_decrypt_ecb_256(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_encrypt_cbc_256(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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SECStatus intel_aes_decrypt_cbc_256(AESContext *cx, unsigned char *output,
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unsigned int *outputLen,
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unsigned int maxOutputLen,
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const unsigned char *input,
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unsigned int inputLen,
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unsigned int blocksize);
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#define intel_aes_ecb_worker(encrypt, keysize) \
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((encrypt) \
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? ((keysize) == 16 ? intel_aes_encrypt_ecb_128 : \
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(keysize) == 24 ? intel_aes_encrypt_ecb_192 : \
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intel_aes_encrypt_ecb_256) \
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: ((keysize) == 16 ? intel_aes_decrypt_ecb_128 : \
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(keysize) == 24 ? intel_aes_decrypt_ecb_192 : \
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intel_aes_decrypt_ecb_256))
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#define intel_aes_cbc_worker(encrypt, keysize) \
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((encrypt) \
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? ((keysize) == 16 ? intel_aes_encrypt_cbc_128 : \
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(keysize) == 24 ? intel_aes_encrypt_cbc_192 : \
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intel_aes_encrypt_cbc_256) \
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: ((keysize) == 16 ? intel_aes_decrypt_cbc_128 : \
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(keysize) == 24 ? intel_aes_decrypt_cbc_192 : \
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intel_aes_decrypt_cbc_256))
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#define intel_aes_init(encrypt, keysize) \
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do { \
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if (encrypt) { \
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if (keysize == 16) \
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intel_aes_encrypt_init_128(key, cx->expandedKey); \
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else if (keysize == 24) \
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intel_aes_encrypt_init_192(key, cx->expandedKey); \
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else \
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intel_aes_encrypt_init_256(key, cx->expandedKey); \
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} else { \
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if (keysize == 16) \
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intel_aes_decrypt_init_128(key, cx->expandedKey); \
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else if (keysize == 24) \
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intel_aes_decrypt_init_192(key, cx->expandedKey); \
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else \
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intel_aes_decrypt_init_256(key, cx->expandedKey); \
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} \
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} while (0)
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