From 38119b18d6940a2eef43b4b46db7dc8484063413 Mon Sep 17 00:00:00 2001
From: Paul Bakker
Date: Sat, 10 Jan 2009 23:31:23 +0000
Subject: [PATCH] - Added first version of Camellia
---
ChangeLog | 3 +-
include/polarssl/camellia.h | 118 +++++
include/polarssl/config.h | 8 +
library/Makefile | 3 +-
library/camellia.c | 833 ++++++++++++++++++++++++++++++++++++
programs/test/benchmark.c | 28 ++
programs/test/selftest.c | 5 +
7 files changed, 996 insertions(+), 2 deletions(-)
create mode 100644 include/polarssl/camellia.h
create mode 100644 library/camellia.c
diff --git a/ChangeLog b/ChangeLog
index 59ce6db82..9d1d24e8f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,7 +3,8 @@ PolarSSL ChangeLog
= Version 0.x released on 2009-01-??
* Migrated XySSL to PolarSSL
* Added XTEA symmetric cipher
-? * Added Camellia symmetric cipher
+ * Added Camellia symmetric cipher
+? * Added SSL Support for Camellia
? * Fixed dangerous bug that can cause a heap overflow in
rsa_pkcs1_decrypt
diff --git a/include/polarssl/camellia.h b/include/polarssl/camellia.h
new file mode 100644
index 000000000..a555f0926
--- /dev/null
+++ b/include/polarssl/camellia.h
@@ -0,0 +1,118 @@
+/**
+ * \file camellia.h
+ *
+ * Copyright (C) 2009 Paul Bakker
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef POLARSSL_CAMELLIA_H
+#define POLARSSL_CAMELLIA_H
+
+#define CAMELLIA_ENCRYPT 1
+#define CAMELLIA_DECRYPT 0
+
+/**
+ * \brief CAMELLIA context structure
+ */
+typedef struct
+{
+ int nr; /*!< number of rounds */
+ unsigned long rk[68]; /*!< CAMELLIA round keys */
+}
+camellia_context;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief CAMELLIA key schedule (encryption)
+ *
+ * \param ctx CAMELLIA context to be initialized
+ * \param key encryption key
+ * \param keysize must be 128, 192 or 256
+ */
+void camellia_setkey_enc( camellia_context *ctx, unsigned char *key, int keysize );
+
+/**
+ * \brief CAMELLIA key schedule (decryption)
+ *
+ * \param ctx CAMELLIA context to be initialized
+ * \param key decryption key
+ * \param keysize must be 128, 192 or 256
+ */
+void camellia_setkey_dec( camellia_context *ctx, unsigned char *key, int keysize );
+
+/**
+ * \brief CAMELLIA-ECB block encryption/decryption
+ *
+ * \param ctx CAMELLIA context
+ * \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
+ * \param input 16-byte input block
+ * \param output 16-byte output block
+ */
+void camellia_crypt_ecb( camellia_context *ctx,
+ int mode,
+ unsigned char input[16],
+ unsigned char output[16] );
+
+/**
+ * \brief CAMELLIA-CBC buffer encryption/decryption
+ *
+ * \param ctx CAMELLIA context
+ * \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
+ * \param length length of the input data
+ * \param iv initialization vector (updated after use)
+ * \param input buffer holding the input data
+ * \param output buffer holding the output data
+ */
+void camellia_crypt_cbc( camellia_context *ctx,
+ int mode,
+ int length,
+ unsigned char iv[16],
+ unsigned char *input,
+ unsigned char *output );
+
+/**
+ * \brief CAMELLIA-CFB128 buffer encryption/decryption
+ *
+ * \param ctx CAMELLIA context
+ * \param mode CAMELLIA_ENCRYPT or CAMELLIA_DECRYPT
+ * \param length length of the input data
+ * \param iv_off offset in IV (updated after use)
+ * \param iv initialization vector (updated after use)
+ * \param input buffer holding the input data
+ * \param output buffer holding the output data
+ */
+void camellia_crypt_cfb128( camellia_context *ctx,
+ int mode,
+ int length,
+ int *iv_off,
+ unsigned char iv[16],
+ unsigned char *input,
+ unsigned char *output );
+
+/**
+ * \brief Checkup routine
+ *
+ * \return 0 if successful, or 1 if the test failed
+ */
+int camellia_self_test( int verbose );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* camellia.h */
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index a85f8fdb2..2b0bf1a88 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -120,6 +120,14 @@
*/
#define POLARSSL_BIGNUM_C
+/*
+ * Module: library/camellia.c
+ * Caller:
+ *
+ * This module enabled the following cipher suites:
+ */
+#define POLARSSL_CAMELLIA_C
+
/*
* Module: library/certs.c
* Caller:
diff --git a/library/Makefile b/library/Makefile
index 611540f35..d8a024147 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -24,7 +24,8 @@ OBJS= aes.o arc4.o base64.o \
net.o padlock.o rsa.o \
sha1.o sha2.o sha4.o \
ssl_cli.o ssl_srv.o ssl_tls.o \
- timing.o x509parse.o xtea.o
+ timing.o x509parse.o xtea.o \
+ camellia.o
.SILENT:
diff --git a/library/camellia.c b/library/camellia.c
new file mode 100644
index 000000000..e50414627
--- /dev/null
+++ b/library/camellia.c
@@ -0,0 +1,833 @@
+/*
+ * Camellia implementation
+ *
+ * Copyright (C) 2009 Paul Bakker
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+/*
+ * The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
+ *
+ * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
+ * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
+ */
+
+#include "polarssl/config.h"
+
+#if defined(POLARSSL_CAMELLIA_C)
+
+#include "polarssl/camellia.h"
+
+#include
+
+#include /* TEMP */
+int verbose = 0;
+
+
+/*
+ * 32-bit integer manipulation macros (big endian)
+ */
+#ifndef GET_ULONG_BE
+#define GET_ULONG_BE(n,b,i) \
+{ \
+ (n) = ( (unsigned long) (b)[(i) ] << 24 ) \
+ | ( (unsigned long) (b)[(i) + 1] << 16 ) \
+ | ( (unsigned long) (b)[(i) + 2] << 8 ) \
+ | ( (unsigned long) (b)[(i) + 3] ); \
+}
+#endif
+
+#ifndef PUT_ULONG_BE
+#define PUT_ULONG_BE(n,b,i) \
+{ \
+ (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
+ (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
+ (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
+ (b)[(i) + 3] = (unsigned char) ( (n) ); \
+}
+#endif
+
+static const unsigned char SIGMA_CHARS[6][8] =
+{
+ { 0xa0, 0x9e, 0x66, 0x7f, 0x3b, 0xcc, 0x90, 0x8b },
+ { 0xb6, 0x7a, 0xe8, 0x58, 0x4c, 0xaa, 0x73, 0xb2 },
+ { 0xc6, 0xef, 0x37, 0x2f, 0xe9, 0x4f, 0x82, 0xbe },
+ { 0x54, 0xff, 0x53, 0xa5, 0xf1, 0xd3, 0x6f, 0x1c },
+ { 0x10, 0xe5, 0x27, 0xfa, 0xde, 0x68, 0x2d, 0x1d },
+ { 0xb0, 0x56, 0x88, 0xc2, 0xb3, 0xe6, 0xc1, 0xfd }
+};
+
+static const unsigned char FSb[256] =
+{
+ 112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65,
+ 35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189,
+ 134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26,
+ 166,225, 57,202,213, 71, 93, 61,217, 1, 90,214, 81, 86,108, 77,
+ 139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153,
+ 223, 76,203,194, 52,126,118, 5,109,183,169, 49,209, 23, 4,215,
+ 20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34,
+ 254, 68,207,178,195,181,122,145, 36, 8,232,168, 96,252,105, 80,
+ 170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210,
+ 16,196, 0, 72,163,247,117,219,138, 3,230,218, 9, 63,221,148,
+ 135, 92,131, 2,205, 74,144, 51,115,103,246,243,157,127,191,226,
+ 82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46,
+ 233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89,
+ 120,152, 6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250,
+ 114, 7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164,
+ 64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158
+};
+
+#define SBOX1(n) FSb[(n)]
+#define SBOX2(n) (unsigned char)((FSb[(n)] >> 7 ^ FSb[(n)] << 1) & 0xff)
+#define SBOX3(n) (unsigned char)((FSb[(n)] >> 1 ^ FSb[(n)] << 7) & 0xff)
+#define SBOX4(n) FSb[((n) << 1 ^ (n) >> 7) &0xff]
+
+static const unsigned char shifts[2][4][4] =
+{
+ {
+ { 1, 1, 1, 1 }, /* KL */
+ { 0, 0, 0, 0 }, /* KR */
+ { 1, 1, 1, 1 }, /* KA */
+ { 0, 0, 0, 0 } /* KB */
+ },
+ {
+ { 1, 0, 1, 1 }, /* KL */
+ { 1, 1, 0, 1 }, /* KR */
+ { 1, 1, 1, 0 }, /* KA */
+ { 1, 1, 0, 1 } /* KB */
+ }
+};
+
+static const char indexes[2][4][20] =
+{
+ {
+ { 0, 1, 2, 3, 8, 9, 10, 11, 38, 39,
+ 36, 37, 23, 20, 21, 22, 27, -1, -1, 26 }, /* KL -> RK */
+ { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, /* KR -> RK */
+ { 4, 5, 6, 7, 12, 13, 14, 15, 16, 17,
+ 18, 19, -1, 24, 25, -1, 31, 28, 29, 30 }, /* KA -> RK */
+ { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } /* KB -> RK */
+ },
+ {
+ { 0, 1, 2, 3, 61, 62, 63, 60, -1, -1,
+ -1, -1, 27, 24, 25, 26, 35, 32, 33, 34 }, /* KL -> RK */
+ { -1, -1, -1, -1, 8, 9, 10, 11, 16, 17,
+ 18, 19, -1, -1, -1, -1, 39, 36, 37, 38 }, /* KR -> RK */
+ { -1, -1, -1, -1, 12, 13, 14, 15, 58, 59,
+ 56, 57, 31, 28, 29, 30, -1, -1, -1, -1 }, /* KA -> RK */
+ { 4, 5, 6, 7, 65, 66, 67, 64, 20, 21,
+ 22, 23, -1, -1, -1, -1, 43, 40, 41, 42 } /* KB -> RK */
+ }
+};
+
+static const char transposes[2][20] =
+{
+ {
+ 21, 22, 23, 20,
+ -1, -1, -1, -1,
+ 18, 19, 16, 17,
+ 11, 8, 9, 10,
+ 15, 12, 13, 14
+ },
+ {
+ 25, 26, 27, 24,
+ 29, 30, 31, 28,
+ 18, 19, 16, 17,
+ -1, -1, -1, -1,
+ -1, -1, -1, -1
+ }
+};
+
+/* Shift macro for smaller than 32 bits (!) */
+#define ROTL(DEST, SRC, SHIFT) \
+{ \
+ (DEST)[0] = (SRC)[0] << (SHIFT) ^ (SRC)[1] >> (32 - (SHIFT)); \
+ (DEST)[1] = (SRC)[1] << (SHIFT) ^ (SRC)[2] >> (32 - (SHIFT)); \
+ (DEST)[2] = (SRC)[2] << (SHIFT) ^ (SRC)[3] >> (32 - (SHIFT)); \
+ (DEST)[3] = (SRC)[3] << (SHIFT) ^ (SRC)[0] >> (32 - (SHIFT)); \
+}
+
+#define FL(XL, XR, KL, KR) \
+{ \
+ (XR) = ((((XL) & (KL)) << 1) | (((XL) & (KL)) >> 31)) ^ (XR); \
+ (XL) = ((XR) | (KR)) ^ (XL); \
+}
+
+#define FLInv(YL, YR, KL, KR) \
+{ \
+ (YL) = ((YR) | (KR)) ^ (YL); \
+ (YR) = ((((YL) & (KL)) << 1) | (((YL) & (KL)) >> 31)) ^ (YR); \
+}
+
+#define SHIFT_AND_PLACE(INDEX, OFFSET) \
+{ \
+ TK[0] = KC[(OFFSET) * 4 + 0]; \
+ TK[1] = KC[(OFFSET) * 4 + 1]; \
+ TK[2] = KC[(OFFSET) * 4 + 2]; \
+ TK[3] = KC[(OFFSET) * 4 + 3]; \
+ \
+ for ( i = 1; i <= 4; i++ ) \
+ if (shifts[(INDEX)][(OFFSET)][i -1]) \
+ ROTL(TK + i * 4, TK, (15 * i) % 32); \
+ \
+ for ( i = 0; i < 20; i++ ) \
+ if (indexes[(INDEX)][(OFFSET)][i] != -1) { \
+ RK[indexes[(INDEX)][(OFFSET)][i]] = TK[ i ]; \
+ } \
+}
+
+void camellia_feistel(unsigned long x[2], unsigned long k[2], unsigned long z[2])
+{
+ unsigned char t[8];
+ if (verbose >= 2)
+ printf("FEISTEL: X: %08x%08x K: %08x%08x ", x[0], x[1], k[0], k[1]);
+
+ t[0] = SBOX1(((x[0] ^ k[0]) >> 24) & 0xFF);
+ t[1] = SBOX2(((x[0] ^ k[0]) >> 16) & 0xFF);
+ t[2] = SBOX3(((x[0] ^ k[0]) >> 8) & 0xFF);
+ t[3] = SBOX4(((x[0] ^ k[0]) ) & 0xFF);
+ t[4] = SBOX2(((x[1] ^ k[1]) >> 24) & 0xFF);
+ t[5] = SBOX3(((x[1] ^ k[1]) >> 16) & 0xFF);
+ t[6] = SBOX4(((x[1] ^ k[1]) >> 8) & 0xFF);
+ t[7] = SBOX1(((x[1] ^ k[1]) ) & 0xFF);
+
+ z[0] ^= ((t[0] ^ t[2] ^ t[3] ^ t[5] ^ t[6] ^ t[7]) << 24) |
+ ((t[0] ^ t[1] ^ t[3] ^ t[4] ^ t[6] ^ t[7]) << 16) |
+ ((t[0] ^ t[1] ^ t[2] ^ t[4] ^ t[5] ^ t[7]) << 8) |
+ ((t[1] ^ t[2] ^ t[3] ^ t[4] ^ t[5] ^ t[6]) );
+ z[1] ^= ((t[0] ^ t[1] ^ t[5] ^ t[6] ^ t[7]) << 24) |
+ ((t[1] ^ t[2] ^ t[4] ^ t[6] ^ t[7]) << 16) |
+ ((t[2] ^ t[3] ^ t[4] ^ t[5] ^ t[7]) << 8) |
+ ((t[0] ^ t[3] ^ t[4] ^ t[5] ^ t[6]) );
+
+ if (verbose >= 2)
+ printf("Z: %08x%08x\n", z[0], z[1]);
+}
+
+/*
+ * Camellia key schedule (encryption)
+ */
+void camellia_setkey_enc( camellia_context *ctx, unsigned char *key, int keysize )
+{
+ int i, idx;
+ unsigned long *RK;
+ unsigned char t[64];
+
+ RK = ctx->rk;
+
+ memset(t, 0, 64);
+ memset(RK, 0, sizeof(ctx->rk));
+
+ switch( keysize )
+ {
+ case 128: ctx->nr = 3; idx = 0; break;
+ case 192:
+ case 256: ctx->nr = 4; idx = 1; break;
+ default : return;
+ }
+
+ for( i = 0; i < keysize / 8; ++i)
+ t[i] = key[i];
+
+ if (keysize == 192) {
+ for (i = 0; i < 8; i++)
+ t[24 + i] = ~t[16 + i];
+ }
+
+ if (verbose >= 2)
+ printf("\nKey schedule (enc)\n");
+
+ /*
+ * Prepare SIGMA values
+ */
+ unsigned long SIGMA[6][2];
+ for (i = 0; i < 6; i++) {
+ GET_ULONG_BE(SIGMA[i][0], SIGMA_CHARS[i], 0);
+ GET_ULONG_BE(SIGMA[i][1], SIGMA_CHARS[i], 4);
+ }
+
+ /*
+ * Key storage in KC
+ * Order: KL, KR, KA, KB
+ */
+ unsigned long KC[16];
+ memset(KC, 0, sizeof(KC));
+
+ /* Store KL, KR */
+ for (i = 0; i < 8; i++)
+ GET_ULONG_BE(KC[i], t, i * 4);
+
+ /* Generate KA */
+ for( i = 0; i < 4; ++i)
+ KC[8 + i] = KC[i] ^ KC[4 + i];
+
+ camellia_feistel(KC + 8, SIGMA[0], KC + 10);
+ camellia_feistel(KC + 10, SIGMA[1], KC + 8);
+
+ for( i = 0; i < 4; ++i)
+ KC[8 + i] ^= KC[i];
+
+ camellia_feistel(KC + 8, SIGMA[2], KC + 10);
+ camellia_feistel(KC + 10, SIGMA[3], KC + 8);
+
+ if (keysize > 128) {
+ /* Generate KB */
+ for( i = 0; i < 4; ++i)
+ KC[12 + i] = KC[4 + i] ^ KC[8 + i];
+
+ camellia_feistel(KC + 12, SIGMA[4], KC + 14);
+ camellia_feistel(KC + 14, SIGMA[5], KC + 12);
+ }
+
+ /*
+ * Generating subkeys
+ */
+ unsigned long TK[20];
+
+ /* Manipulating KL */
+ SHIFT_AND_PLACE(idx, 0);
+
+ /* Manipulating KR */
+ if (keysize > 128) {
+ SHIFT_AND_PLACE(idx, 1);
+ }
+
+ /* Manipulating KA */
+ SHIFT_AND_PLACE(idx, 2);
+
+ /* Manipulating KB */
+ if (keysize > 128) {
+ SHIFT_AND_PLACE(idx, 3);
+ }
+
+ /* Do transpositions */
+ for ( i = 0; i < 20; i++ ) {
+ if (transposes[idx][i] != -1) {
+ RK[32 + 12 * idx + i] = RK[transposes[idx][i]];
+ }
+ }
+
+ if (verbose >= 3)
+ for (i = 0; i < 26 + 8 * idx; ++i)
+ printf("RK[%d]: %08x%08x\n", i * 2, ctx->rk[i * 2 + 0], ctx->rk[i * 2 + 1]);
+}
+
+/*
+ * Camellia key schedule (decryption)
+ */
+void camellia_setkey_dec( camellia_context *ctx, unsigned char *key, int keysize )
+{
+ int i, idx;
+ camellia_context cty;
+ unsigned long *RK;
+ unsigned long *SK;
+
+ switch( keysize )
+ {
+ case 128: ctx->nr = 3; idx = 0; break;
+ case 192:
+ case 256: ctx->nr = 4; idx = 1; break;
+ default : return;
+ }
+
+ RK = ctx->rk;
+
+ camellia_setkey_enc(&cty, key, keysize);
+
+ SK = cty.rk + 24 * 2 + 8 * idx * 2;
+
+ *RK++ = *SK++;
+ *RK++ = *SK++;
+ *RK++ = *SK++;
+ *RK++ = *SK++;
+
+ for (i = 22 + 8 * idx, SK -= 6; i > 0; i--, SK -= 4)
+ {
+ *RK++ = *SK++;
+ *RK++ = *SK++;
+ }
+
+ SK -= 2;
+
+ *RK++ = *SK++;
+ *RK++ = *SK++;
+ *RK++ = *SK++;
+ *RK++ = *SK++;
+
+ memset( &cty, 0, sizeof( camellia_context ) );
+
+ if (verbose >= 3)
+ for (i = 0; i < 26 + 8 * idx; ++i)
+ printf("RK[%d]: %08x%08x\n", i * 2, ctx->rk[i * 2 + 0], ctx->rk[i * 2 + 1]);
+
+}
+
+/*
+ * Camellia-ECB block encryption/decryption
+ */
+void camellia_crypt_ecb( camellia_context *ctx,
+ int mode,
+ unsigned char input[16],
+ unsigned char output[16] )
+{
+ int i, NR;
+ unsigned long *RK, X[4], Y[4], T;
+
+ NR = ctx->nr;
+ RK = ctx->rk;
+
+ if (verbose >= 2)
+ printf("\nCrypt\n");
+
+ GET_ULONG_BE( X[0], input, 0 );
+ GET_ULONG_BE( X[1], input, 4 );
+ GET_ULONG_BE( X[2], input, 8 );
+ GET_ULONG_BE( X[3], input, 12 );
+
+ X[0] ^= *RK++;
+ X[1] ^= *RK++;
+ X[2] ^= *RK++;
+ X[3] ^= *RK++;
+
+ while (NR) {
+ --NR;
+ camellia_feistel(X, RK, X + 2);
+ RK += 2;
+ camellia_feistel(X + 2, RK, X);
+ RK += 2;
+ camellia_feistel(X, RK, X + 2);
+ RK += 2;
+ camellia_feistel(X + 2, RK, X);
+ RK += 2;
+ camellia_feistel(X, RK, X + 2);
+ RK += 2;
+ camellia_feistel(X + 2, RK, X);
+ RK += 2;
+
+ if (NR) {
+ FL(X[0], X[1], RK[0], RK[1]);
+ RK += 2;
+ FLInv(X[2], X[3], RK[0], RK[1]);
+ RK += 2;
+ }
+ }
+
+ X[2] ^= *RK++;
+ X[3] ^= *RK++;
+ X[0] ^= *RK++;
+ X[1] ^= *RK++;
+
+ PUT_ULONG_BE( X[2], output, 0 );
+ PUT_ULONG_BE( X[3], output, 4 );
+ PUT_ULONG_BE( X[0], output, 8 );
+ PUT_ULONG_BE( X[1], output, 12 );
+}
+
+/*
+ * Camellia-CBC buffer encryption/decryption
+ */
+void camellia_crypt_cbc( camellia_context *ctx,
+ int mode,
+ int length,
+ unsigned char iv[16],
+ unsigned char *input,
+ unsigned char *output )
+{
+ int i;
+ unsigned char temp[16];
+
+ if( mode == CAMELLIA_DECRYPT )
+ {
+ while( length > 0 )
+ {
+ memcpy( temp, input, 16 );
+ camellia_crypt_ecb( ctx, mode, input, output );
+
+ for( i = 0; i < 16; i++ )
+ output[i] = (unsigned char)( output[i] ^ iv[i] );
+
+ memcpy( iv, temp, 16 );
+
+ input += 16;
+ output += 16;
+ length -= 16;
+ }
+ }
+ else
+ {
+ while( length > 0 )
+ {
+ for( i = 0; i < 16; i++ )
+ output[i] = (unsigned char)( input[i] ^ iv[i] );
+
+ camellia_crypt_ecb( ctx, mode, output, output );
+ memcpy( iv, output, 16 );
+
+ input += 16;
+ output += 16;
+ length -= 16;
+ }
+ }
+}
+
+/*
+ * Camellia-CFB128 buffer encryption/decryption
+ */
+void camellia_crypt_cfb128( camellia_context *ctx,
+ int mode,
+ int length,
+ int *iv_off,
+ unsigned char iv[16],
+ unsigned char *input,
+ unsigned char *output )
+{
+ int c, n = *iv_off;
+
+ if( mode == CAMELLIA_DECRYPT )
+ {
+ while( length-- )
+ {
+ if( n == 0 )
+ camellia_crypt_ecb( ctx, CAMELLIA_ENCRYPT, iv, iv );
+
+ c = *input++;
+ *output++ = (unsigned char)( c ^ iv[n] );
+ iv[n] = (unsigned char) c;
+
+ n = (n + 1) & 0x0F;
+ }
+ }
+ else
+ {
+ while( length-- )
+ {
+ if( n == 0 )
+ camellia_crypt_ecb( ctx, CAMELLIA_ENCRYPT, iv, iv );
+
+ iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
+
+ n = (n + 1) & 0x0F;
+ }
+ }
+
+ *iv_off = n;
+}
+
+#if defined(POLARSSL_SELF_TEST)
+
+#include
+
+/*
+ * Camellia test vectors from:
+ *
+ * http://info.isl.ntt.co.jp/crypt/eng/camellia/technology.html:
+ * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/intermediate.txt
+ * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/t_camellia.txt
+ * (For each bitlength: Key 0, Nr 39)
+ */
+#define CAMELLIA_TESTS_ECB 2
+
+static const unsigned char camellia_test_ecb_key[3][CAMELLIA_TESTS_ECB][32] =
+{
+ {
+ { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
+ 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 },
+ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+ },
+ {
+ { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
+ 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
+ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 },
+ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+ },
+ {
+ { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
+ 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
+ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+ 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff },
+ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+ },
+};
+
+static const unsigned char camellia_test_ecb_plain[CAMELLIA_TESTS_ECB][16] =
+{
+ { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
+ 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 },
+ { 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
+};
+
+static const unsigned char camellia_test_ecb_cipher[3][CAMELLIA_TESTS_ECB][16] =
+{
+ {
+ { 0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73,
+ 0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43 },
+ { 0x38, 0x3C, 0x6C, 0x2A, 0xAB, 0xEF, 0x7F, 0xDE,
+ 0x25, 0xCD, 0x47, 0x0B, 0xF7, 0x74, 0xA3, 0x31 }
+ },
+ {
+ { 0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9, 0x96, 0xf8,
+ 0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9 },
+ { 0xD1, 0x76, 0x3F, 0xC0, 0x19, 0xD7, 0x7C, 0xC9,
+ 0x30, 0xBF, 0xF2, 0xA5, 0x6F, 0x7C, 0x93, 0x64 }
+ },
+ {
+ { 0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c,
+ 0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09 },
+ { 0x05, 0x03, 0xFB, 0x10, 0xAB, 0x24, 0x1E, 0x7C,
+ 0xF4, 0x5D, 0x8C, 0xDE, 0xEE, 0x47, 0x43, 0x35 }
+ }
+};
+
+#define CAMELLIA_TESTS_CBC 3
+
+static const unsigned char camellia_test_cbc_key[3][32] =
+{
+ { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
+ 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
+ ,
+ { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
+ 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
+ 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B }
+ ,
+ { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
+ 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
+ 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
+ 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
+};
+
+static const unsigned char camellia_test_cbc_iv[16] =
+
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }
+;
+
+static const unsigned char camellia_test_cbc_plain[CAMELLIA_TESTS_CBC][16] =
+{
+ { 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
+ 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A },
+ { 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
+ 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51 },
+ { 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
+ 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF }
+
+};
+
+static const unsigned char camellia_test_cbc_cipher[3][CAMELLIA_TESTS_CBC][16] =
+{
+ {
+ { 0x16, 0x07, 0xCF, 0x49, 0x4B, 0x36, 0xBB, 0xF0,
+ 0x0D, 0xAE, 0xB0, 0xB5, 0x03, 0xC8, 0x31, 0xAB },
+ { 0xA2, 0xF2, 0xCF, 0x67, 0x16, 0x29, 0xEF, 0x78,
+ 0x40, 0xC5, 0xA5, 0xDF, 0xB5, 0x07, 0x48, 0x87 },
+ { 0x0F, 0x06, 0x16, 0x50, 0x08, 0xCF, 0x8B, 0x8B,
+ 0x5A, 0x63, 0x58, 0x63, 0x62, 0x54, 0x3E, 0x54 }
+ },
+ {
+ { 0x2A, 0x48, 0x30, 0xAB, 0x5A, 0xC4, 0xA1, 0xA2,
+ 0x40, 0x59, 0x55, 0xFD, 0x21, 0x95, 0xCF, 0x93 },
+ { 0x5D, 0x5A, 0x86, 0x9B, 0xD1, 0x4C, 0xE5, 0x42,
+ 0x64, 0xF8, 0x92, 0xA6, 0xDD, 0x2E, 0xC3, 0xD5 },
+ { 0x37, 0xD3, 0x59, 0xC3, 0x34, 0x98, 0x36, 0xD8,
+ 0x84, 0xE3, 0x10, 0xAD, 0xDF, 0x68, 0xC4, 0x49 }
+ },
+ {
+ { 0xE6, 0xCF, 0xA3, 0x5F, 0xC0, 0x2B, 0x13, 0x4A,
+ 0x4D, 0x2C, 0x0B, 0x67, 0x37, 0xAC, 0x3E, 0xDA },
+ { 0x36, 0xCB, 0xEB, 0x73, 0xBD, 0x50, 0x4B, 0x40,
+ 0x70, 0xB1, 0xB7, 0xDE, 0x2B, 0x21, 0xEB, 0x50 },
+ { 0xE3, 0x1A, 0x60, 0x55, 0x29, 0x7D, 0x96, 0xCA,
+ 0x33, 0x30, 0xCD, 0xF1, 0xB1, 0x86, 0x0A, 0x83 }
+ }
+};
+
+
+/*
+ * Checkup routine
+ */
+int camellia_self_test( int verbose )
+{
+ int i, j, u, v, offset;
+ unsigned char key[32];
+ unsigned char buf[64];
+ unsigned char prv[16];
+ unsigned char src[16];
+ unsigned char dst[16];
+ unsigned char iv[16];
+ camellia_context ctx;
+
+ memset( key, 0, 32 );
+
+ for (j = 0; j < 6; j++) {
+ u = j >> 1;
+ v = j & 1;
+
+ if( verbose != 0 )
+ printf( " CAMELLIA-ECB-%3d (%s): ", 128 + u * 64,
+ (v == CAMELLIA_DECRYPT) ? "dec" : "enc");
+
+ for (i = 0; i < CAMELLIA_TESTS_ECB; i++ ) {
+ memcpy( key, camellia_test_ecb_key[u][i], 16 + 8 * u);
+
+ if (v == CAMELLIA_DECRYPT) {
+ camellia_setkey_dec(&ctx, key, 128 + u * 64);
+ memcpy(src, camellia_test_ecb_cipher[u][i], 16);
+ memcpy(dst, camellia_test_ecb_plain[i], 16);
+ } else { /* CAMELLIA_ENCRYPT */
+ camellia_setkey_enc(&ctx, key, 128 + u * 64);
+ memcpy(src, camellia_test_ecb_plain[i], 16);
+ memcpy(dst, camellia_test_ecb_cipher[u][i], 16);
+ }
+
+ camellia_crypt_ecb(&ctx, v, src, buf);
+
+ if( memcmp( buf, dst, 16 ) != 0 )
+ {
+ if( verbose != 0 )
+ printf( "failed\n" );
+
+ return( 1 );
+ }
+ }
+
+ if( verbose != 0 )
+ printf( "passed\n" );
+ }
+
+ if( verbose != 0 )
+ printf( "\n" );
+
+ /*
+ * CBC mode
+ */
+ for( j = 0; j < 6; j++ )
+ {
+ u = j >> 1;
+ v = j & 1;
+
+ if( verbose != 0 )
+ printf( " CAMELLIA-CBC-%3d (%s): ", 128 + u * 64,
+ ( v == CAMELLIA_DECRYPT ) ? "dec" : "enc" );
+
+ memcpy( src, camellia_test_cbc_iv, 16);
+ memcpy( dst, camellia_test_cbc_iv, 16);
+ memcpy( key, camellia_test_cbc_key[u], 16 + 8 * u);
+
+ if (v == CAMELLIA_DECRYPT) {
+ camellia_setkey_dec(&ctx, key, 128 + u * 64);
+ } else {
+ camellia_setkey_enc(&ctx, key, 128 + u * 64);
+ }
+
+ for (i = 0; i < CAMELLIA_TESTS_CBC; i++ ) {
+
+ if (v == CAMELLIA_DECRYPT) {
+ memcpy( iv , src, 16 );
+ memcpy(src, camellia_test_cbc_cipher[u][i], 16);
+ memcpy(dst, camellia_test_cbc_plain[i], 16);
+ } else { /* CAMELLIA_ENCRYPT */
+ memcpy( iv , dst, 16 );
+ memcpy(src, camellia_test_cbc_plain[i], 16);
+ memcpy(dst, camellia_test_cbc_cipher[u][i], 16);
+ }
+
+ camellia_crypt_cbc(&ctx, v, 16, iv, src, buf);
+
+ if( memcmp( buf, dst, 16 ) != 0 )
+ {
+ if( verbose != 0 )
+ printf( "failed\n" );
+
+ return( 1 );
+ }
+ }
+
+ if( verbose != 0 )
+ printf( "passed\n" );
+ }
+
+ if( verbose != 0 )
+ printf( "\n" );
+
+ return ( 0 );
+
+ /*
+ * CFB128 mode
+ */
+ /*
+ for( i = 0; i < 6; i++ )
+ {
+ u = i >> 1;
+ v = i & 1;
+
+ if( verbose != 0 )
+ printf( " AES-CFB128-%3d (%s): ", 128 + u * 64,
+ ( v == AES_DECRYPT ) ? "dec" : "enc" );
+
+ memcpy( iv, aes_test_cfb128_iv, 16 );
+ memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 );
+
+ offset = 0;
+ aes_setkey_enc( &ctx, key, 128 + u * 64 );
+
+ if( v == AES_DECRYPT )
+ {
+ memcpy( buf, aes_test_cfb128_ct[u], 64 );
+ aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
+
+ if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 )
+ {
+ if( verbose != 0 )
+ printf( "failed\n" );
+
+ return( 1 );
+ }
+ }
+ else
+ {
+ memcpy( buf, aes_test_cfb128_pt, 64 );
+ aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf );
+
+ if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 )
+ {
+ if( verbose != 0 )
+ printf( "failed\n" );
+
+ return( 1 );
+ }
+ }
+
+ if( verbose != 0 )
+ printf( "passed\n" );
+ }
+
+
+ if( verbose != 0 )
+ printf( "\n" );
+
+ return( 0 ); */
+}
+
+#endif
+
+#endif
diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index 3e70c2c87..525c8528d 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -37,6 +37,7 @@
#include "polarssl/arc4.h"
#include "polarssl/des.h"
#include "polarssl/aes.h"
+#include "polarssl/camellia.h"
#include "polarssl/rsa.h"
#include "polarssl/timing.h"
@@ -67,6 +68,9 @@ int main( void )
#if defined(POLARSSL_AES_C)
aes_context aes;
#endif
+#if defined(POLARSSL_CAMELLIA_C)
+ camellia_context camellia;
+#endif
#if defined(POLARSSL_RSA_C)
rsa_context rsa;
#endif
@@ -215,6 +219,30 @@ int main( void )
}
#endif
+#if defined(POLARSSL_CAMELLIA_C)
+ for( keysize = 128; keysize <= 256; keysize += 64 )
+ {
+ printf( " CAMELLIA-%d : ", keysize );
+ fflush( stdout );
+
+ memset( buf, 0, sizeof( buf ) );
+ memset( tmp, 0, sizeof( tmp ) );
+ camellia_setkey_enc( &camellia, tmp, keysize );
+
+ set_alarm( 1 );
+
+ for( i = 1; ! alarmed; i++ )
+ camellia_crypt_cbc( &camellia, CAMELLIA_ENCRYPT, BUFSIZE, tmp, buf, buf );
+
+ tsc = hardclock();
+ for( j = 0; j < 4096; j++ )
+ camellia_crypt_cbc( &camellia, CAMELLIA_ENCRYPT, BUFSIZE, tmp, buf, buf );
+
+ printf( "%9lu Kb/s, %9lu cycles/byte\n", i * BUFSIZE / 1024,
+ ( hardclock() - tsc ) / ( j * BUFSIZE ) );
+ }
+#endif
+
#if defined(POLARSSL_RSA_C)
rsa_init( &rsa, RSA_PKCS_V15, 0, myrand, NULL );
rsa_gen_key( &rsa, 1024, 65537 );
diff --git a/programs/test/selftest.c b/programs/test/selftest.c
index 9607c0727..12d82fedd 100644
--- a/programs/test/selftest.c
+++ b/programs/test/selftest.c
@@ -126,6 +126,11 @@ int main( int argc, char *argv[] )
return( ret );
#endif
+#if defined(POLARSSL_CAMELLIA_C)
+ if( ( ret = camellia_self_test( v ) ) != 0 )
+ return( ret );
+#endif
+
if( v != 0 )
{
printf( " [ All tests passed ]\n\n" );