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authormarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
committermarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
commit15272ab4ed1e6250412fccd48200ed9eae59608f (patch)
treea5996ea67966a778a16565f19dfc2e7c7f49b376 /openssl/engines/ccgost/gost_keywrap.h
parent3827301b2ea5a45ac009c3bf9f08586ff40b8506 (diff)
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Updated to openssl 1.0.0
Diffstat (limited to 'openssl/engines/ccgost/gost_keywrap.h')
-rw-r--r--openssl/engines/ccgost/gost_keywrap.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/openssl/engines/ccgost/gost_keywrap.h b/openssl/engines/ccgost/gost_keywrap.h
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+/**********************************************************************
+ * gost_keywrap.h *
+ * Copyright (c) 2005-2006 Cryptocom LTD *
+ * This file is distributed under the same license as OpenSSL *
+ * *
+ * Implementation of CryptoPro key wrap algorithm, as defined in *
+ * RFC 4357 p 6.3 and 6.4 *
+ * Doesn't need OpenSSL *
+ **********************************************************************/
+#ifndef GOST_KEYWRAP_H
+#define GOST_KEYWRAP_H
+#include <string.h>
+#include "gost89.h"
+/* Diversifies key using random UserKey Material
+ * Implements RFC 4357 p 6.5 key diversification algorithm
+ *
+ * inputKey - 32byte key to be diversified
+ * ukm - 8byte user key material
+ * outputKey - 32byte buffer to store diversified key
+ *
+ */
+void keyDiversifyCryptoPro(gost_ctx *ctx,
+ const unsigned char *inputKey,
+ const unsigned char *ukm,
+ unsigned char *outputKey);
+/*
+ * Wraps key using RFC 4357 6.3
+ * ctx - gost encryption context, initialized with some S-boxes
+ * keyExchangeKey (KEK) 32-byte (256-bit) shared key
+ * ukm - 8 byte (64 bit) user key material,
+ * sessionKey - 32-byte (256-bit) key to be wrapped
+ * wrappedKey - 44-byte buffer to store wrapped key
+ */
+
+int keyWrapCryptoPro(gost_ctx *ctx,
+ const unsigned char *keyExchangeKey,
+ const unsigned char *ukm,
+ const unsigned char *sessionKey,
+ unsigned char *wrappedKey) ;
+/*
+ * Unwraps key using RFC 4357 6.4
+ * ctx - gost encryption context, initialized with some S-boxes
+ * keyExchangeKey 32-byte shared key
+ * wrappedKey 44 byte key to be unwrapped (concatenation of 8-byte UKM,
+ * 32 byte encrypted key and 4 byte MAC
+ *
+ * sessionKEy - 32byte buffer to store sessionKey in
+ * Returns 1 if key is decrypted successfully, and 0 if MAC doesn't match
+ */
+
+
+int keyUnwrapCryptoPro(gost_ctx *ctx,
+ const unsigned char *keyExchangeKey,
+ const unsigned char *wrappedKey,
+ unsigned char *sessionKey) ;
+#endif