diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/crypto/cbc.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/crypto/cbc.c')
-rw-r--r-- | qemu/roms/ipxe/src/crypto/cbc.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/qemu/roms/ipxe/src/crypto/cbc.c b/qemu/roms/ipxe/src/crypto/cbc.c deleted file mode 100644 index 0ba17ee48..000000000 --- a/qemu/roms/ipxe/src/crypto/cbc.c +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>. - * - * 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 2 of the - * License, or 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <string.h> -#include <assert.h> -#include <ipxe/crypto.h> -#include <ipxe/cbc.h> - -/** @file - * - * Cipher-block chaining - * - */ - -/** - * XOR data blocks - * - * @v src Input data - * @v dst Second input data and output data buffer - * @v len Length of data - */ -static void cbc_xor ( const void *src, void *dst, size_t len ) { - const uint32_t *srcl = src; - uint32_t *dstl = dst; - unsigned int i; - - /* Assume that block sizes will always be dword-aligned, for speed */ - assert ( ( len % sizeof ( *srcl ) ) == 0 ); - - for ( i = 0 ; i < ( len / sizeof ( *srcl ) ) ; i++ ) - dstl[i] ^= srcl[i]; -} - -/** - * Encrypt data - * - * @v ctx Context - * @v src Data to encrypt - * @v dst Buffer for encrypted data - * @v len Length of data - * @v raw_cipher Underlying cipher algorithm - * @v cbc_ctx CBC context - */ -void cbc_encrypt ( void *ctx, const void *src, void *dst, size_t len, - struct cipher_algorithm *raw_cipher, void *cbc_ctx ) { - size_t blocksize = raw_cipher->blocksize; - - assert ( ( len % blocksize ) == 0 ); - - while ( len ) { - cbc_xor ( src, cbc_ctx, blocksize ); - cipher_encrypt ( raw_cipher, ctx, cbc_ctx, dst, blocksize ); - memcpy ( cbc_ctx, dst, blocksize ); - dst += blocksize; - src += blocksize; - len -= blocksize; - } -} - -/** - * Decrypt data - * - * @v ctx Context - * @v src Data to decrypt - * @v dst Buffer for decrypted data - * @v len Length of data - * @v raw_cipher Underlying cipher algorithm - * @v cbc_ctx CBC context - */ -void cbc_decrypt ( void *ctx, const void *src, void *dst, size_t len, - struct cipher_algorithm *raw_cipher, void *cbc_ctx ) { - size_t blocksize = raw_cipher->blocksize; - uint8_t next_cbc_ctx[blocksize]; - - assert ( ( len % blocksize ) == 0 ); - - while ( len ) { - memcpy ( next_cbc_ctx, src, blocksize ); - cipher_decrypt ( raw_cipher, ctx, src, dst, blocksize ); - cbc_xor ( cbc_ctx, dst, blocksize ); - memcpy ( cbc_ctx, next_cbc_ctx, blocksize ); - dst += blocksize; - src += blocksize; - len -= blocksize; - } -} |