Add zook's ZenUtils to SVN

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18010 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 132 insertions, 0 deletions

diff --git a/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/blowfish.h b/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/blowfish.h
new file mode 100755
index 0000000000..1d95ddb4f2
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+++ b/utils/zenutils/libraries/beecrypt-4.1.2/beecrypt/blowfish.h
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+/*
+ * Copyright (c) 1999, 2000, 2002 Virtual Unlimited B.V.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+/*!\file blowfish.h
+ * \brief Blowfish block cipher.
+ *
+ * For more information on this blockcipher, see:
+ * "Applied Cryptography", second edition
+ *  Bruce Schneier
+ *  Wiley & Sons
+ *
+ * Also see http://www.counterpane.com/blowfish.html
+ *
+ * \author Bob Deblier <bob.deblier@pandora.be>
+ * \ingroup BC_m BC_blowfish_m
+ */
+
+#ifndef _BLOWFISH_H
+#define _BLOWFISH_H
+
+#include "beecrypt/beecrypt.h"
+#include "beecrypt/blowfishopt.h"
+
+#define BLOWFISHROUNDS  16
+#define BLOWFISHPSIZE   (BLOWFISHROUNDS+2)
+
+/*!\brief Holds all the parameters necessary for the Blowfish cipher.
+ * \ingroup BC_blowfish_m
+ */
+#ifdef __cplusplus
+struct BEECRYPTAPI blowfishParam
+#else
+struct _blowfishParam
+#endif
+{
+        /*!\var p
+         * \brief Holds the key expansion.
+         */
+        uint32_t p[BLOWFISHPSIZE];
+        /*!\var s
+         * \brief Holds the s-boxes.
+         */
+        uint32_t s[1024];
+        /*!\var fdback
+         * \brief Buffer to be used by block chaining or feedback modes.
+         */
+        uint32_t fdback[2];
+};
+
+#ifndef __cplusplus
+typedef struct _blowfishParam blowfishParam;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*!\var blowfish
+ * \brief Holds the full API description of the Blowfish algorithm.
+ */
+extern const BEECRYPTAPI blockCipher blowfish;
+
+/*!\fn int blowfishSetup(blowfishParam* bp, const byte* key, size_t keybits, cipherOperation
+ op)
+ * \brief The function performs the cipher's key expansion.
+ * \param bp The cipher's parameter block.
+ * \param key The key value.
+ * \param keybits The number of bits in the key; legal values are: 32 to 448,
+ *  in multiples of 8.
+ * \param op ENCRYPT or DECRYPT.
+ * \retval 0 on success.
+ * \retval -1 on failure.
+ */
+BEECRYPTAPI
+int             blowfishSetup   (blowfishParam*, const byte*, size_t, cipherOperation);
+
+/*!\fn int blowfishSetIV(blowfishParam* bp, const byte* iv)
+ * \brief This function sets the Initialization Vector.
+ * \note This function is only useful in block chaining or feedback modes.
+ * \param bp The cipher's parameter block.
+ * \param iv The initialization vector; may be null.
+ * \retval 0 on success.
+ */
+BEECRYPTAPI
+int             blowfishSetIV   (blowfishParam*, const byte*);
+
+/*!\fn blowfishEncrypt(blowfishParam* bp, uint32_t* dst, const uint32_t* src)
+ * \brief This function performs the Blowfish encryption; it encrypts one block
+ *  of 64 bits.
+ * \param bp The cipher's parameter block.
+ * \param dst The ciphertext; should be aligned on 32-bit boundary.
+ * \param src The cleartext; should be aligned on 32-bit boundary.
+ * \retval 0 on success.
+ */
+BEECRYPTAPI
+int             blowfishEncrypt (blowfishParam*, uint32_t*, const uint32_t*);
+
+/*!\fn blowfishDecrypt(blowfishParam* bp, uint32_t* dst, const uint32_t* src)
+ * \brief This function performs the Blowfish decryption; it Rderypts one block
+ *  of 64 bits.
+ * \param bp The cipher's parameter block.
+ * \param dst The cleartext; should be aligned on 32-bit boundary.
+ * \param src The ciphertext; should be aligned on 32-bit boundary.
+ * \retval 0 on success.
+ */
+BEECRYPTAPI
+int             blowfishDecrypt (blowfishParam*, uint32_t*, const uint32_t*);
+
+BEECRYPTAPI
+uint32_t*       blowfishFeedback(blowfishParam*);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif