Hannes Tschofenig
Example program to test AES-GCM functionality. Used for a workshop
Diff: SSL/library/camellia.c
- Revision:
- 0:796d0f61a05b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SSL/library/camellia.c Thu Sep 27 06:34:22 2018 +0000
@@ -0,0 +1,1061 @@
+/*
+ * Camellia implementation
+ *
+ * Copyright (C) 2006-2014, Brainspark B.V.
+ *
+ * This file is part of PolarSSL (http://www.polarssl.org)
+ * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
+ *
+ * All rights reserved.
+ *
+ * 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 Camellia block cipher was designed by NTT and Mitsubishi Electric
+ * Corporation.
+ *
+ * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/01espec.pdf
+ */
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "polarssl/config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#if defined(POLARSSL_CAMELLIA_C)
+
+#include "polarssl/camellia.h"
+
+#if defined(POLARSSL_PLATFORM_C)
+#include "polarssl/platform.h"
+#else
+#define polarssl_printf printf
+#endif
+
+#if !defined(POLARSSL_CAMELLIA_ALT)
+
+/*
+ * 32-bit integer manipulation macros (big endian)
+ */
+#ifndef GET_UINT32_BE
+#define GET_UINT32_BE(n,b,i) \
+{ \
+ (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
+ | ( (uint32_t) (b)[(i) + 1] << 16 ) \
+ | ( (uint32_t) (b)[(i) + 2] << 8 ) \
+ | ( (uint32_t) (b)[(i) + 3] ); \
+}
+#endif
+
+#ifndef PUT_UINT32_BE
+#define PUT_UINT32_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 }
+};
+
+#if defined(POLARSSL_CAMELLIA_SMALL_MEMORY)
+
+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]
+
+#else /* POLARSSL_CAMELLIA_SMALL_MEMORY */
+
+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
+};
+
+static const unsigned char FSb2[256] =
+{
+ 224, 5, 88, 217, 103, 78, 129, 203, 201, 11, 174, 106, 213, 24, 93, 130,
+ 70, 223, 214, 39, 138, 50, 75, 66, 219, 28, 158, 156, 58, 202, 37, 123,
+ 13, 113, 95, 31, 248, 215, 62, 157, 124, 96, 185, 190, 188, 139, 22, 52,
+ 77, 195, 114, 149, 171, 142, 186, 122, 179, 2, 180, 173, 162, 172, 216, 154,
+ 23, 26, 53, 204, 247, 153, 97, 90, 232, 36, 86, 64, 225, 99, 9, 51,
+ 191, 152, 151, 133, 104, 252, 236, 10, 218, 111, 83, 98, 163, 46, 8, 175,
+ 40, 176, 116, 194, 189, 54, 34, 56, 100, 30, 57, 44, 166, 48, 229, 68,
+ 253, 136, 159, 101, 135, 107, 244, 35, 72, 16, 209, 81, 192, 249, 210, 160,
+ 85, 161, 65, 250, 67, 19, 196, 47, 168, 182, 60, 43, 193, 255, 200, 165,
+ 32, 137, 0, 144, 71, 239, 234, 183, 21, 6, 205, 181, 18, 126, 187, 41,
+ 15, 184, 7, 4, 155, 148, 33, 102, 230, 206, 237, 231, 59, 254, 127, 197,
+ 164, 55, 177, 76, 145, 110, 141, 118, 3, 45, 222, 150, 38, 125, 198, 92,
+ 211, 242, 79, 25, 63, 220, 121, 29, 82, 235, 243, 109, 94, 251, 105, 178,
+ 240, 49, 12, 212, 207, 140, 226, 117, 169, 74, 87, 132, 17, 69, 27, 245,
+ 228, 14, 115, 170, 241, 221, 89, 20, 108, 146, 84, 208, 120, 112, 227, 73,
+ 128, 80, 167, 246, 119, 147, 134, 131, 42, 199, 91, 233, 238, 143, 1, 61
+};
+
+static const unsigned char FSb3[256] =
+{
+ 56, 65, 22, 118, 217, 147, 96, 242, 114, 194, 171, 154, 117, 6, 87, 160,
+ 145, 247, 181, 201, 162, 140, 210, 144, 246, 7, 167, 39, 142, 178, 73, 222,
+ 67, 92, 215, 199, 62, 245, 143, 103, 31, 24, 110, 175, 47, 226, 133, 13,
+ 83, 240, 156, 101, 234, 163, 174, 158, 236, 128, 45, 107, 168, 43, 54, 166,
+ 197, 134, 77, 51, 253, 102, 88, 150, 58, 9, 149, 16, 120, 216, 66, 204,
+ 239, 38, 229, 97, 26, 63, 59, 130, 182, 219, 212, 152, 232, 139, 2, 235,
+ 10, 44, 29, 176, 111, 141, 136, 14, 25, 135, 78, 11, 169, 12, 121, 17,
+ 127, 34, 231, 89, 225, 218, 61, 200, 18, 4, 116, 84, 48, 126, 180, 40,
+ 85, 104, 80, 190, 208, 196, 49, 203, 42, 173, 15, 202, 112, 255, 50, 105,
+ 8, 98, 0, 36, 209, 251, 186, 237, 69, 129, 115, 109, 132, 159, 238, 74,
+ 195, 46, 193, 1, 230, 37, 72, 153, 185, 179, 123, 249, 206, 191, 223, 113,
+ 41, 205, 108, 19, 100, 155, 99, 157, 192, 75, 183, 165, 137, 95, 177, 23,
+ 244, 188, 211, 70, 207, 55, 94, 71, 148, 250, 252, 91, 151, 254, 90, 172,
+ 60, 76, 3, 53, 243, 35, 184, 93, 106, 146, 213, 33, 68, 81, 198, 125,
+ 57, 131, 220, 170, 124, 119, 86, 5, 27, 164, 21, 52, 30, 28, 248, 82,
+ 32, 20, 233, 189, 221, 228, 161, 224, 138, 241, 214, 122, 187, 227, 64, 79
+};
+
+static const unsigned char FSb4[256] =
+{
+ 112, 44, 179, 192, 228, 87, 234, 174, 35, 107, 69, 165, 237, 79, 29, 146,
+ 134, 175, 124, 31, 62, 220, 94, 11, 166, 57, 213, 93, 217, 90, 81, 108,
+ 139, 154, 251, 176, 116, 43, 240, 132, 223, 203, 52, 118, 109, 169, 209, 4,
+ 20, 58, 222, 17, 50, 156, 83, 242, 254, 207, 195, 122, 36, 232, 96, 105,
+ 170, 160, 161, 98, 84, 30, 224, 100, 16, 0, 163, 117, 138, 230, 9, 221,
+ 135, 131, 205, 144, 115, 246, 157, 191, 82, 216, 200, 198, 129, 111, 19, 99,
+ 233, 167, 159, 188, 41, 249, 47, 180, 120, 6, 231, 113, 212, 171, 136, 141,
+ 114, 185, 248, 172, 54, 42, 60, 241, 64, 211, 187, 67, 21, 173, 119, 128,
+ 130, 236, 39, 229, 133, 53, 12, 65, 239, 147, 25, 33, 14, 78, 101, 189,
+ 184, 143, 235, 206, 48, 95, 197, 26, 225, 202, 71, 61, 1, 214, 86, 77,
+ 13, 102, 204, 45, 18, 32, 177, 153, 76, 194, 126, 5, 183, 49, 23, 215,
+ 88, 97, 27, 28, 15, 22, 24, 34, 68, 178, 181, 145, 8, 168, 252, 80,
+ 208, 125, 137, 151, 91, 149, 255, 210, 196, 72, 247, 219, 3, 218, 63, 148,
+ 92, 2, 74, 51, 103, 243, 127, 226, 155, 38, 55, 59, 150, 75, 190, 46,
+ 121, 140, 110, 142, 245, 182, 253, 89, 152, 106, 70, 186, 37, 66, 162, 250,
+ 7, 85, 238, 10, 73, 104, 56, 164, 40, 123, 201, 193, 227, 244, 199, 158
+};
+
+#define SBOX1(n) FSb[(n)]
+#define SBOX2(n) FSb2[(n)]
+#define SBOX3(n) FSb3[(n)]
+#define SBOX4(n) FSb4[(n)]
+
+#endif /* POLARSSL_CAMELLIA_SMALL_MEMORY */
+
+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 signed 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 signed 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 128 bit strings with rotation 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 ]; \
+ } \
+}
+
+static void camellia_feistel( const uint32_t x[2], const uint32_t k[2],
+ uint32_t z[2])
+{
+ uint32_t I0, I1;
+ I0 = x[0] ^ k[0];
+ I1 = x[1] ^ k[1];
+
+ I0 = (SBOX1((I0 >> 24) & 0xFF) << 24) |
+ (SBOX2((I0 >> 16) & 0xFF) << 16) |
+ (SBOX3((I0 >> 8) & 0xFF) << 8) |
+ (SBOX4((I0 ) & 0xFF) );
+ I1 = (SBOX2((I1 >> 24) & 0xFF) << 24) |
+ (SBOX3((I1 >> 16) & 0xFF) << 16) |
+ (SBOX4((I1 >> 8) & 0xFF) << 8) |
+ (SBOX1((I1 ) & 0xFF) );
+
+ I0 ^= (I1 << 8) | (I1 >> 24);
+ I1 ^= (I0 << 16) | (I0 >> 16);
+ I0 ^= (I1 >> 8) | (I1 << 24);
+ I1 ^= (I0 >> 8) | (I0 << 24);
+
+ z[0] ^= I1;
+ z[1] ^= I0;
+}
+
+/*
+ * Camellia key schedule (encryption)
+ */
+int camellia_setkey_enc( camellia_context *ctx, const unsigned char *key,
+ unsigned int keysize )
+{
+ int idx;
+ size_t i;
+ uint32_t *RK;
+ unsigned char t[64];
+ uint32_t SIGMA[6][2];
+ uint32_t KC[16];
+ uint32_t TK[20];
+
+ 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( POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH );
+ }
+
+ 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];
+ }
+
+ /*
+ * Prepare SIGMA values
+ */
+ for (i = 0; i < 6; i++) {
+ GET_UINT32_BE(SIGMA[i][0], SIGMA_CHARS[i], 0);
+ GET_UINT32_BE(SIGMA[i][1], SIGMA_CHARS[i], 4);
+ }
+
+ /*
+ * Key storage in KC
+ * Order: KL, KR, KA, KB
+ */
+ memset(KC, 0, sizeof(KC));
+
+ /* Store KL, KR */
+ for (i = 0; i < 8; i++)
+ GET_UINT32_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
+ */
+
+ /* 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]];
+ }
+ }
+
+ return( 0 );
+}
+
+/*
+ * Camellia key schedule (decryption)
+ */
+int camellia_setkey_dec( camellia_context *ctx, const unsigned char *key,
+ unsigned int keysize )
+{
+ int idx;
+ size_t i;
+ camellia_context cty;
+ uint32_t *RK;
+ uint32_t *SK;
+ int ret;
+
+ switch( keysize )
+ {
+ case 128: ctx->nr = 3; idx = 0; break;
+ case 192:
+ case 256: ctx->nr = 4; idx = 1; break;
+ default : return( POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH );
+ }
+
+ RK = ctx->rk;
+
+ ret = camellia_setkey_enc(&cty, key, keysize);
+ if( ret != 0 )
+ return( ret );
+
+ 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 ) );
+
+ return( 0 );
+}
+
+/*
+ * Camellia-ECB block encryption/decryption
+ */
+int camellia_crypt_ecb( camellia_context *ctx,
+ int mode,
+ const unsigned char input[16],
+ unsigned char output[16] )
+{
+ int NR;
+ uint32_t *RK, X[4];
+
+ ( (void) mode );
+
+ NR = ctx->nr;
+ RK = ctx->rk;
+
+ GET_UINT32_BE( X[0], input, 0 );
+ GET_UINT32_BE( X[1], input, 4 );
+ GET_UINT32_BE( X[2], input, 8 );
+ GET_UINT32_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_UINT32_BE( X[2], output, 0 );
+ PUT_UINT32_BE( X[3], output, 4 );
+ PUT_UINT32_BE( X[0], output, 8 );
+ PUT_UINT32_BE( X[1], output, 12 );
+
+ return( 0 );
+}
+
+#if defined(POLARSSL_CIPHER_MODE_CBC)
+/*
+ * Camellia-CBC buffer encryption/decryption
+ */
+int camellia_crypt_cbc( camellia_context *ctx,
+ int mode,
+ size_t length,
+ unsigned char iv[16],
+ const unsigned char *input,
+ unsigned char *output )
+{
+ int i;
+ unsigned char temp[16];
+
+ if( length % 16 )
+ return( POLARSSL_ERR_CAMELLIA_INVALID_INPUT_LENGTH );
+
+ 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;
+ }
+ }
+
+ return( 0 );
+}
+#endif /* POLARSSL_CIPHER_MODE_CBC */
+
+#if defined(POLARSSL_CIPHER_MODE_CFB)
+/*
+ * Camellia-CFB128 buffer encryption/decryption
+ */
+int camellia_crypt_cfb128( camellia_context *ctx,
+ int mode,
+ size_t length,
+ size_t *iv_off,
+ unsigned char iv[16],
+ const unsigned char *input,
+ unsigned char *output )
+{
+ int c;
+ size_t 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;
+
+ return( 0 );
+}
+#endif /* POLARSSL_CIPHER_MODE_CFB */
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+/*
+ * Camellia-CTR buffer encryption/decryption
+ */
+int camellia_crypt_ctr( camellia_context *ctx,
+ size_t length,
+ size_t *nc_off,
+ unsigned char nonce_counter[16],
+ unsigned char stream_block[16],
+ const unsigned char *input,
+ unsigned char *output )
+{
+ int c, i;
+ size_t n = *nc_off;
+
+ while( length-- )
+ {
+ if( n == 0 ) {
+ camellia_crypt_ecb( ctx, CAMELLIA_ENCRYPT, nonce_counter,
+ stream_block );
+
+ for( i = 16; i > 0; i-- )
+ if( ++nonce_counter[i - 1] != 0 )
+ break;
+ }
+ c = *input++;
+ *output++ = (unsigned char)( c ^ stream_block[n] );
+
+ n = (n + 1) & 0x0F;
+ }
+
+ *nc_off = n;
+
+ return( 0 );
+}
+#endif /* POLARSSL_CIPHER_MODE_CTR */
+#endif /* !POLARSSL_CAMELLIA_ALT */
+
+#if defined(POLARSSL_SELF_TEST)
+
+#include <stdio.h>
+
+/*
+ * 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 }
+ }
+};
+
+#if defined(POLARSSL_CIPHER_MODE_CBC)
+#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 }
+ }
+};
+#endif /* POLARSSL_CIPHER_MODE_CBC */
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+/*
+ * Camellia-CTR test vectors from:
+ *
+ * http://www.faqs.org/rfcs/rfc5528.html
+ */
+
+static const unsigned char camellia_test_ctr_key[3][16] =
+{
+ { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
+ 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
+ { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
+ 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
+ { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
+ 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
+};
+
+static const unsigned char camellia_test_ctr_nonce_counter[3][16] =
+{
+ { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
+ { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
+ 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
+ { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
+ 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
+};
+
+static const unsigned char camellia_test_ctr_pt[3][48] =
+{
+ { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
+ 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
+
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
+
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
+ 0x20, 0x21, 0x22, 0x23 }
+};
+
+static const unsigned char camellia_test_ctr_ct[3][48] =
+{
+ { 0xD0, 0x9D, 0xC2, 0x9A, 0x82, 0x14, 0x61, 0x9A,
+ 0x20, 0x87, 0x7C, 0x76, 0xDB, 0x1F, 0x0B, 0x3F },
+ { 0xDB, 0xF3, 0xC7, 0x8D, 0xC0, 0x83, 0x96, 0xD4,
+ 0xDA, 0x7C, 0x90, 0x77, 0x65, 0xBB, 0xCB, 0x44,
+ 0x2B, 0x8E, 0x8E, 0x0F, 0x31, 0xF0, 0xDC, 0xA7,
+ 0x2C, 0x74, 0x17, 0xE3, 0x53, 0x60, 0xE0, 0x48 },
+ { 0xB1, 0x9D, 0x1F, 0xCD, 0xCB, 0x75, 0xEB, 0x88,
+ 0x2F, 0x84, 0x9C, 0xE2, 0x4D, 0x85, 0xCF, 0x73,
+ 0x9C, 0xE6, 0x4B, 0x2B, 0x5C, 0x9D, 0x73, 0xF1,
+ 0x4F, 0x2D, 0x5D, 0x9D, 0xCE, 0x98, 0x89, 0xCD,
+ 0xDF, 0x50, 0x86, 0x96 }
+};
+
+static const int camellia_test_ctr_len[3] =
+ { 16, 32, 36 };
+#endif /* POLARSSL_CIPHER_MODE_CTR */
+
+/*
+ * Checkup routine
+ */
+int camellia_self_test( int verbose )
+{
+ int i, j, u, v;
+ unsigned char key[32];
+ unsigned char buf[64];
+ unsigned char src[16];
+ unsigned char dst[16];
+#if defined(POLARSSL_CIPHER_MODE_CBC)
+ unsigned char iv[16];
+#endif
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+ size_t offset, len;
+ unsigned char nonce_counter[16];
+ unsigned char stream_block[16];
+#endif
+
+ camellia_context ctx;
+
+ memset( key, 0, 32 );
+
+ for (j = 0; j < 6; j++) {
+ u = j >> 1;
+ v = j & 1;
+
+ if( verbose != 0 )
+ polarssl_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 )
+ polarssl_printf( "failed\n" );
+
+ return( 1 );
+ }
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "\n" );
+
+#if defined(POLARSSL_CIPHER_MODE_CBC)
+ /*
+ * CBC mode
+ */
+ for( j = 0; j < 6; j++ )
+ {
+ u = j >> 1;
+ v = j & 1;
+
+ if( verbose != 0 )
+ polarssl_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 )
+ polarssl_printf( "failed\n" );
+
+ return( 1 );
+ }
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+ }
+#endif /* POLARSSL_CIPHER_MODE_CBC */
+
+ if( verbose != 0 )
+ polarssl_printf( "\n" );
+
+#if defined(POLARSSL_CIPHER_MODE_CTR)
+ /*
+ * CTR mode
+ */
+ for( i = 0; i < 6; i++ )
+ {
+ u = i >> 1;
+ v = i & 1;
+
+ if( verbose != 0 )
+ polarssl_printf( " CAMELLIA-CTR-128 (%s): ",
+ ( v == CAMELLIA_DECRYPT ) ? "dec" : "enc" );
+
+ memcpy( nonce_counter, camellia_test_ctr_nonce_counter[u], 16 );
+ memcpy( key, camellia_test_ctr_key[u], 16 );
+
+ offset = 0;
+ camellia_setkey_enc( &ctx, key, 128 );
+
+ if( v == CAMELLIA_DECRYPT )
+ {
+ len = camellia_test_ctr_len[u];
+ memcpy( buf, camellia_test_ctr_ct[u], len );
+
+ camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
+ buf, buf );
+
+ if( memcmp( buf, camellia_test_ctr_pt[u], len ) != 0 )
+ {
+ if( verbose != 0 )
+ polarssl_printf( "failed\n" );
+
+ return( 1 );
+ }
+ }
+ else
+ {
+ len = camellia_test_ctr_len[u];
+ memcpy( buf, camellia_test_ctr_pt[u], len );
+
+ camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
+ buf, buf );
+
+ if( memcmp( buf, camellia_test_ctr_ct[u], len ) != 0 )
+ {
+ if( verbose != 0 )
+ polarssl_printf( "failed\n" );
+
+ return( 1 );
+ }
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "passed\n" );
+ }
+
+ if( verbose != 0 )
+ polarssl_printf( "\n" );
+#endif /* POLARSSL_CIPHER_MODE_CTR */
+
+ return ( 0 );
+}
+
+#endif /* POLARSSL_SELF_TEST */
+
+#endif /* POLARSSL_CAMELLIA_C */
+
+