1 files changed, 67 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/rijndael.h b/security/nss/lib/freebl/rijndael.h
new file mode 100644
index 000000000..0e14ec2fc
--- /dev/null
+++ b/security/nss/lib/freebl/rijndael.h
@@ -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;
+    int mode;
+};
+
+#endif /* _RIJNDAEL_H_ */