1 files changed, 0 insertions, 123 deletions
diff --git a/gpxe/src/crypto/aes_wrap.c b/gpxe/src/crypto/aes_wrap.c
deleted file mode 100644
index d7f94af0..00000000
--- a/gpxe/src/crypto/aes_wrap.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * Copyright (c) 2009 Joshua Oreman <oremanj@rwcr.net>.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-#include <stdlib.h>
-#include <string.h>
-#include <gpxe/crypto.h>
-#include <gpxe/aes.h>
-
-/**
- * Wrap a key or other data using AES Key Wrap (RFC 3394)
- *
- * @v kek	Key Encryption Key, 16 bytes
- * @v src	Data to encrypt
- * @v nblk	Number of 8-byte blocks in @a data
- * @ret dest	Encrypted data (8 bytes longer than input)
- *
- * The algorithm is implemented such that @a src and @a dest may point
- * to the same buffer.
- */
-int aes_wrap ( const void *kek, const void *src, void *dest, int nblk )
-{
-	u8 *A = dest;
-	u8 B[16];
-	u8 *R;
-	int i, j;
-	void *aes_ctx = malloc ( AES_CTX_SIZE );
-
-	if ( ! aes_ctx )
-		return -1;
-
-	cipher_setkey ( &aes_algorithm, aes_ctx, kek, 16 );
-
-	/* Set up */
-	memset ( A, 0xA6, sizeof ( A ) );
-	memmove ( dest + 8, src, nblk * 8 );
-
-	/* Wrap */
-	for ( j = 0; j < 6; j++ ) {
-		R = dest + 8;
-		for ( i = 1; i <= nblk; i++ ) {
-			memcpy ( B, A, 8 );
-			memcpy ( B + 8, R, 8 );
-			cipher_encrypt ( &aes_algorithm, aes_ctx, B, B, 16 );
-			memcpy ( A, B, 8 );
-			A[7] ^= ( nblk * j ) + i;
-			memcpy ( R, B + 8, 8 );
-			R += 8;
-		}
-	}
-
-	free ( aes_ctx );
-	return 0;
-}
-
-/**
- * Unwrap a key or other data using AES Key Wrap (RFC 3394)
- *
- * @v kek	Key Encryption Key, 16 bytes
- * @v src	Data to decrypt
- * @v nblk	Number of 8-byte blocks in @e plaintext key
- * @ret dest	Decrypted data (8 bytes shorter than input)
- * @ret rc	Zero on success, nonzero on IV mismatch
- *
- * The algorithm is implemented such that @a src and @a dest may point
- * to the same buffer.
- */
-int aes_unwrap ( const void *kek, const void *src, void *dest, int nblk )
-{
-	u8 A[8], B[16];
-	u8 *R;
-	int i, j;
-	void *aes_ctx = malloc ( AES_CTX_SIZE );
-
-	if ( ! aes_ctx )
-		return -1;
-
-	cipher_setkey ( &aes_algorithm, aes_ctx, kek, 16 );
-
-	/* Set up */
-	memcpy ( A, src, 8 );
-	memmove ( dest, src + 8, nblk * 8 );
-
-	/* Unwrap */
-	for ( j = 5; j >= 0; j-- ) {
-		R = dest + ( nblk - 1 ) * 8;
-		for ( i = nblk; i >= 1; i-- ) {
-			memcpy ( B, A, 8 );
-			memcpy ( B + 8, R, 8 );
-			B[7] ^= ( nblk * j ) + i;
-			cipher_decrypt ( &aes_algorithm, aes_ctx, B, B, 16 );
-			memcpy ( A, B, 8 );
-			memcpy ( R, B + 8, 8 );
-			R -= 8;
-		}
-	}
-
-	free ( aes_ctx );
-
-	/* Check IV */
-	for ( i = 0; i < 8; i++ ) {
-		if ( A[i] != 0xA6 )
-			return -1;
-	}
-
-	return 0;
-}