summaryrefslogtreecommitdiffstats
path: root/qemu/roms/ipxe/src/crypto/ecb.c
diff options
context:
space:
mode:
authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/roms/ipxe/src/crypto/ecb.c
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff)
These changes are the raw update to qemu-2.6.
Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/roms/ipxe/src/crypto/ecb.c')
-rw-r--r--qemu/roms/ipxe/src/crypto/ecb.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/crypto/ecb.c b/qemu/roms/ipxe/src/crypto/ecb.c
new file mode 100644
index 000000000..3c9cf340c
--- /dev/null
+++ b/qemu/roms/ipxe/src/crypto/ecb.c
@@ -0,0 +1,80 @@
+/*
+ * 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 <assert.h>
+#include <ipxe/crypto.h>
+#include <ipxe/ecb.h>
+
+/** @file
+ *
+ * Electronic codebook (ECB)
+ *
+ */
+
+/**
+ * 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
+ */
+void ecb_encrypt ( void *ctx, const void *src, void *dst, size_t len,
+ struct cipher_algorithm *raw_cipher ) {
+ size_t blocksize = raw_cipher->blocksize;
+
+ assert ( ( len % blocksize ) == 0 );
+
+ while ( len ) {
+ cipher_encrypt ( raw_cipher, ctx, src, 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
+ */
+void ecb_decrypt ( void *ctx, const void *src, void *dst, size_t len,
+ struct cipher_algorithm *raw_cipher ) {
+ size_t blocksize = raw_cipher->blocksize;
+
+ assert ( ( len % blocksize ) == 0 );
+
+ while ( len ) {
+ cipher_decrypt ( raw_cipher, ctx, src, dst, blocksize );
+ dst += blocksize;
+ src += blocksize;
+ len -= blocksize;
+ }
+}