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Unified Diff: nss/mozilla/security/nss/lib/freebl/ctr.h

Issue 10919163: Add GCM, CTR, and CTS modes to AES. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/
Patch Set: Fix comments as rsleevi suggested, fix a 32-bit bug and miscellaneous issues Created 8 years, 3 months ago
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Index: nss/mozilla/security/nss/lib/freebl/ctr.h
===================================================================
--- nss/mozilla/security/nss/lib/freebl/ctr.h (revision 0)
+++ nss/mozilla/security/nss/lib/freebl/ctr.h (revision 0)
@@ -0,0 +1,44 @@
+/* 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 CTR_H
+#define CTR_H 1
+
+#include "blapii.h"
+
+/* This structure is defined in this header because both ctr.c and gcm.c
+ * need it. */
+struct CTRContextStr {
+ freeblCipherFunc cipher;
+ void *context;
+ unsigned char counter[MAX_BLOCK_SIZE];
+ unsigned char buffer[MAX_BLOCK_SIZE];
+ unsigned long counterBits;
+ unsigned int bufPtr;
+};
+
+typedef struct CTRContextStr CTRContext;
+
+SECStatus CTR_InitContext(CTRContext *ctr, void *context,
+ freeblCipherFunc cipher, const unsigned char *param,
+ unsigned int blocksize);
+
+/*
+ * The context argument is the inner cipher context to use with cipher. The
+ * CTRContext does not own context. context needs to remain valid for as long
+ * as the CTRContext is valid.
+ *
+ * The cipher argument is a block cipher in the ECB encrypt mode.
+ */
+CTRContext * CTR_CreateContext(void *context, freeblCipherFunc cipher,
+ const unsigned char *param, unsigned int blocksize);
+
+void CTR_DestroyContext(CTRContext *ctr, PRBool freeit);
+
+SECStatus CTR_Update(CTRContext *ctr, unsigned char *outbuf,
+ unsigned int *outlen, unsigned int maxout,
+ const unsigned char *inbuf, unsigned int inlen,
+ unsigned int blocksize);
+
+#endif
Property changes on: nss/mozilla/security/nss/lib/freebl/ctr.h
___________________________________________________________________
Added: svn:eol-style
+ LF

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