diff nss/lib/freebl/rijndael.h @ 0:1e5118fa0cb1

This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nss/lib/freebl/rijndael.h	Mon Jul 28 10:47:06 2014 +0200
@@ -0,0 +1,67 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _RIJNDAEL_H_
+#define _RIJNDAEL_H_ 1
+
+#include "blapii.h"
+
+#define RIJNDAEL_MIN_BLOCKSIZE 16 /* bytes */
+#define RIJNDAEL_MAX_BLOCKSIZE 32 /* bytes */
+
+typedef SECStatus AESBlockFunc(AESContext *cx, 
+                               unsigned char *output,
+                               const unsigned char *input);
+
+/* RIJNDAEL_NUM_ROUNDS
+ *
+ * Number of rounds per execution
+ * Nk - number of key bytes
+ * Nb - blocksize (in bytes)
+ */
+#define RIJNDAEL_NUM_ROUNDS(Nk, Nb) \
+    (PR_MAX(Nk, Nb) + 6)
+
+/* RIJNDAEL_MAX_STATE_SIZE 
+ *
+ * Maximum number of bytes in the state (spec includes up to 256-bit block
+ * size)
+ */
+#define RIJNDAEL_MAX_STATE_SIZE 32
+
+/*
+ * This magic number is (Nb_max * (Nr_max + 1))
+ * where Nb_max is the maximum block size in 32-bit words,
+ *       Nr_max is the maximum number of rounds, which is Nb_max + 6
+ */
+#define RIJNDAEL_MAX_EXP_KEY_SIZE (8 * 15)
+
+/* AESContextStr
+ *
+ * Values which maintain the state for Rijndael encryption/decryption.
+ *
+ * iv          - initialization vector for CBC mode
+ * Nb          - the number of bytes in a block, specified by user
+ * Nr          - the number of rounds, specified by a table
+ * expandedKey - the round keys in 4-byte words, the length is Nr * Nb
+ * worker      - the encryption/decryption function to use with worker_cx
+ * destroy     - if not NULL, the destroy function to use with worker_cx
+ * worker_cx   - the context for worker and destroy
+ * isBlock     - is the mode of operation a block cipher or a stream cipher?
+ */
+struct AESContextStr
+{
+    unsigned int   Nb;
+    unsigned int   Nr;
+    freeblCipherFunc worker;
+    /* NOTE: The offsets of iv and expandedKey are hardcoded in intel-aes.s.
+     * Don't add new members before them without updating intel-aes.s. */
+    unsigned char iv[RIJNDAEL_MAX_BLOCKSIZE];
+    PRUint32      expandedKey[RIJNDAEL_MAX_EXP_KEY_SIZE];
+    freeblDestroyFunc destroy;
+    void	      *worker_cx;
+    PRBool	      isBlock;
+};
+
+#endif /* _RIJNDAEL_H_ */
This site is hosted by Intevation GmbH (Datenschutzerklärung und Impressum | Privacy Policy and Imprint)