1142 lines
37 KiB
C
1142 lines
37 KiB
C
/*
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* Camellia implementation
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*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*
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* This file is provided under the Apache License 2.0, or the
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* GNU General Public License v2.0 or later.
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*
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* **********
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* Apache License 2.0:
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* **********
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*
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* **********
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* GNU General Public License v2.0 or later:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* **********
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*/
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/*
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* The Camellia block cipher was designed by NTT and Mitsubishi Electric
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* Corporation.
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*
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* http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/01espec.pdf
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_CAMELLIA_C)
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#include "mbedtls/camellia.h"
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#include "mbedtls/platform_util.h"
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#include <string.h>
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#if defined(MBEDTLS_SELF_TEST)
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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#include <stdio.h>
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#define mbedtls_printf printf
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#endif /* MBEDTLS_PLATFORM_C */
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#endif /* MBEDTLS_SELF_TEST */
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#if !defined(MBEDTLS_CAMELLIA_ALT)
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/* Parameter validation macros */
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#define CAMELLIA_VALIDATE_RET( cond ) \
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MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA )
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#define CAMELLIA_VALIDATE( cond ) \
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MBEDTLS_INTERNAL_VALIDATE( cond )
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/*
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* 32-bit integer manipulation macros (big endian)
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*/
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#ifndef GET_UINT32_BE
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#define GET_UINT32_BE(n,b,i) \
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{ \
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(n) = ( (uint32_t) (b)[(i) ] << 24 ) \
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| ( (uint32_t) (b)[(i) + 1] << 16 ) \
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| ( (uint32_t) (b)[(i) + 2] << 8 ) \
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| ( (uint32_t) (b)[(i) + 3] ); \
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}
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#endif
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#ifndef PUT_UINT32_BE
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#define PUT_UINT32_BE(n,b,i) \
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{ \
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(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
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(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
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(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
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(b)[(i) + 3] = (unsigned char) ( (n) ); \
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}
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#endif
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static const unsigned char SIGMA_CHARS[6][8] =
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{
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{ 0xa0, 0x9e, 0x66, 0x7f, 0x3b, 0xcc, 0x90, 0x8b },
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{ 0xb6, 0x7a, 0xe8, 0x58, 0x4c, 0xaa, 0x73, 0xb2 },
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{ 0xc6, 0xef, 0x37, 0x2f, 0xe9, 0x4f, 0x82, 0xbe },
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{ 0x54, 0xff, 0x53, 0xa5, 0xf1, 0xd3, 0x6f, 0x1c },
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{ 0x10, 0xe5, 0x27, 0xfa, 0xde, 0x68, 0x2d, 0x1d },
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{ 0xb0, 0x56, 0x88, 0xc2, 0xb3, 0xe6, 0xc1, 0xfd }
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};
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#if defined(MBEDTLS_CAMELLIA_SMALL_MEMORY)
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static const unsigned char FSb[256] =
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{
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112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65,
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35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189,
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134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26,
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166,225, 57,202,213, 71, 93, 61,217, 1, 90,214, 81, 86,108, 77,
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139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153,
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223, 76,203,194, 52,126,118, 5,109,183,169, 49,209, 23, 4,215,
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20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34,
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254, 68,207,178,195,181,122,145, 36, 8,232,168, 96,252,105, 80,
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170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210,
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16,196, 0, 72,163,247,117,219,138, 3,230,218, 9, 63,221,148,
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135, 92,131, 2,205, 74,144, 51,115,103,246,243,157,127,191,226,
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82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46,
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233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89,
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120,152, 6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250,
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114, 7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164,
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64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158
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};
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#define SBOX1(n) FSb[(n)]
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#define SBOX2(n) (unsigned char)((FSb[(n)] >> 7 ^ FSb[(n)] << 1) & 0xff)
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#define SBOX3(n) (unsigned char)((FSb[(n)] >> 1 ^ FSb[(n)] << 7) & 0xff)
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#define SBOX4(n) FSb[((n) << 1 ^ (n) >> 7) &0xff]
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#else /* MBEDTLS_CAMELLIA_SMALL_MEMORY */
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static const unsigned char FSb[256] =
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{
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112, 130, 44, 236, 179, 39, 192, 229, 228, 133, 87, 53, 234, 12, 174, 65,
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35, 239, 107, 147, 69, 25, 165, 33, 237, 14, 79, 78, 29, 101, 146, 189,
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134, 184, 175, 143, 124, 235, 31, 206, 62, 48, 220, 95, 94, 197, 11, 26,
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166, 225, 57, 202, 213, 71, 93, 61, 217, 1, 90, 214, 81, 86, 108, 77,
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139, 13, 154, 102, 251, 204, 176, 45, 116, 18, 43, 32, 240, 177, 132, 153,
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223, 76, 203, 194, 52, 126, 118, 5, 109, 183, 169, 49, 209, 23, 4, 215,
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20, 88, 58, 97, 222, 27, 17, 28, 50, 15, 156, 22, 83, 24, 242, 34,
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254, 68, 207, 178, 195, 181, 122, 145, 36, 8, 232, 168, 96, 252, 105, 80,
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170, 208, 160, 125, 161, 137, 98, 151, 84, 91, 30, 149, 224, 255, 100, 210,
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16, 196, 0, 72, 163, 247, 117, 219, 138, 3, 230, 218, 9, 63, 221, 148,
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135, 92, 131, 2, 205, 74, 144, 51, 115, 103, 246, 243, 157, 127, 191, 226,
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82, 155, 216, 38, 200, 55, 198, 59, 129, 150, 111, 75, 19, 190, 99, 46,
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233, 121, 167, 140, 159, 110, 188, 142, 41, 245, 249, 182, 47, 253, 180, 89,
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120, 152, 6, 106, 231, 70, 113, 186, 212, 37, 171, 66, 136, 162, 141, 250,
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114, 7, 185, 85, 248, 238, 172, 10, 54, 73, 42, 104, 60, 56, 241, 164,
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64, 40, 211, 123, 187, 201, 67, 193, 21, 227, 173, 244, 119, 199, 128, 158
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};
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static const unsigned char FSb2[256] =
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{
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224, 5, 88, 217, 103, 78, 129, 203, 201, 11, 174, 106, 213, 24, 93, 130,
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70, 223, 214, 39, 138, 50, 75, 66, 219, 28, 158, 156, 58, 202, 37, 123,
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13, 113, 95, 31, 248, 215, 62, 157, 124, 96, 185, 190, 188, 139, 22, 52,
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77, 195, 114, 149, 171, 142, 186, 122, 179, 2, 180, 173, 162, 172, 216, 154,
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23, 26, 53, 204, 247, 153, 97, 90, 232, 36, 86, 64, 225, 99, 9, 51,
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191, 152, 151, 133, 104, 252, 236, 10, 218, 111, 83, 98, 163, 46, 8, 175,
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40, 176, 116, 194, 189, 54, 34, 56, 100, 30, 57, 44, 166, 48, 229, 68,
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253, 136, 159, 101, 135, 107, 244, 35, 72, 16, 209, 81, 192, 249, 210, 160,
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85, 161, 65, 250, 67, 19, 196, 47, 168, 182, 60, 43, 193, 255, 200, 165,
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32, 137, 0, 144, 71, 239, 234, 183, 21, 6, 205, 181, 18, 126, 187, 41,
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15, 184, 7, 4, 155, 148, 33, 102, 230, 206, 237, 231, 59, 254, 127, 197,
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164, 55, 177, 76, 145, 110, 141, 118, 3, 45, 222, 150, 38, 125, 198, 92,
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211, 242, 79, 25, 63, 220, 121, 29, 82, 235, 243, 109, 94, 251, 105, 178,
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240, 49, 12, 212, 207, 140, 226, 117, 169, 74, 87, 132, 17, 69, 27, 245,
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228, 14, 115, 170, 241, 221, 89, 20, 108, 146, 84, 208, 120, 112, 227, 73,
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128, 80, 167, 246, 119, 147, 134, 131, 42, 199, 91, 233, 238, 143, 1, 61
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};
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static const unsigned char FSb3[256] =
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{
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56, 65, 22, 118, 217, 147, 96, 242, 114, 194, 171, 154, 117, 6, 87, 160,
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145, 247, 181, 201, 162, 140, 210, 144, 246, 7, 167, 39, 142, 178, 73, 222,
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67, 92, 215, 199, 62, 245, 143, 103, 31, 24, 110, 175, 47, 226, 133, 13,
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83, 240, 156, 101, 234, 163, 174, 158, 236, 128, 45, 107, 168, 43, 54, 166,
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197, 134, 77, 51, 253, 102, 88, 150, 58, 9, 149, 16, 120, 216, 66, 204,
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239, 38, 229, 97, 26, 63, 59, 130, 182, 219, 212, 152, 232, 139, 2, 235,
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10, 44, 29, 176, 111, 141, 136, 14, 25, 135, 78, 11, 169, 12, 121, 17,
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127, 34, 231, 89, 225, 218, 61, 200, 18, 4, 116, 84, 48, 126, 180, 40,
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85, 104, 80, 190, 208, 196, 49, 203, 42, 173, 15, 202, 112, 255, 50, 105,
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8, 98, 0, 36, 209, 251, 186, 237, 69, 129, 115, 109, 132, 159, 238, 74,
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195, 46, 193, 1, 230, 37, 72, 153, 185, 179, 123, 249, 206, 191, 223, 113,
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41, 205, 108, 19, 100, 155, 99, 157, 192, 75, 183, 165, 137, 95, 177, 23,
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244, 188, 211, 70, 207, 55, 94, 71, 148, 250, 252, 91, 151, 254, 90, 172,
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60, 76, 3, 53, 243, 35, 184, 93, 106, 146, 213, 33, 68, 81, 198, 125,
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57, 131, 220, 170, 124, 119, 86, 5, 27, 164, 21, 52, 30, 28, 248, 82,
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32, 20, 233, 189, 221, 228, 161, 224, 138, 241, 214, 122, 187, 227, 64, 79
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};
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static const unsigned char FSb4[256] =
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{
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112, 44, 179, 192, 228, 87, 234, 174, 35, 107, 69, 165, 237, 79, 29, 146,
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134, 175, 124, 31, 62, 220, 94, 11, 166, 57, 213, 93, 217, 90, 81, 108,
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139, 154, 251, 176, 116, 43, 240, 132, 223, 203, 52, 118, 109, 169, 209, 4,
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20, 58, 222, 17, 50, 156, 83, 242, 254, 207, 195, 122, 36, 232, 96, 105,
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170, 160, 161, 98, 84, 30, 224, 100, 16, 0, 163, 117, 138, 230, 9, 221,
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135, 131, 205, 144, 115, 246, 157, 191, 82, 216, 200, 198, 129, 111, 19, 99,
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233, 167, 159, 188, 41, 249, 47, 180, 120, 6, 231, 113, 212, 171, 136, 141,
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114, 185, 248, 172, 54, 42, 60, 241, 64, 211, 187, 67, 21, 173, 119, 128,
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130, 236, 39, 229, 133, 53, 12, 65, 239, 147, 25, 33, 14, 78, 101, 189,
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184, 143, 235, 206, 48, 95, 197, 26, 225, 202, 71, 61, 1, 214, 86, 77,
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13, 102, 204, 45, 18, 32, 177, 153, 76, 194, 126, 5, 183, 49, 23, 215,
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88, 97, 27, 28, 15, 22, 24, 34, 68, 178, 181, 145, 8, 168, 252, 80,
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208, 125, 137, 151, 91, 149, 255, 210, 196, 72, 247, 219, 3, 218, 63, 148,
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92, 2, 74, 51, 103, 243, 127, 226, 155, 38, 55, 59, 150, 75, 190, 46,
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121, 140, 110, 142, 245, 182, 253, 89, 152, 106, 70, 186, 37, 66, 162, 250,
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7, 85, 238, 10, 73, 104, 56, 164, 40, 123, 201, 193, 227, 244, 199, 158
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};
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#define SBOX1(n) FSb[(n)]
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#define SBOX2(n) FSb2[(n)]
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#define SBOX3(n) FSb3[(n)]
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#define SBOX4(n) FSb4[(n)]
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#endif /* MBEDTLS_CAMELLIA_SMALL_MEMORY */
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static const unsigned char shifts[2][4][4] =
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{
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{
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{ 1, 1, 1, 1 }, /* KL */
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{ 0, 0, 0, 0 }, /* KR */
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{ 1, 1, 1, 1 }, /* KA */
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{ 0, 0, 0, 0 } /* KB */
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},
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{
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{ 1, 0, 1, 1 }, /* KL */
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{ 1, 1, 0, 1 }, /* KR */
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{ 1, 1, 1, 0 }, /* KA */
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{ 1, 1, 0, 1 } /* KB */
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}
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};
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static const signed char indexes[2][4][20] =
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{
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{
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{ 0, 1, 2, 3, 8, 9, 10, 11, 38, 39,
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36, 37, 23, 20, 21, 22, 27, -1, -1, 26 }, /* KL -> RK */
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{ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, /* KR -> RK */
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{ 4, 5, 6, 7, 12, 13, 14, 15, 16, 17,
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18, 19, -1, 24, 25, -1, 31, 28, 29, 30 }, /* KA -> RK */
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{ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } /* KB -> RK */
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},
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{
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{ 0, 1, 2, 3, 61, 62, 63, 60, -1, -1,
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-1, -1, 27, 24, 25, 26, 35, 32, 33, 34 }, /* KL -> RK */
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{ -1, -1, -1, -1, 8, 9, 10, 11, 16, 17,
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18, 19, -1, -1, -1, -1, 39, 36, 37, 38 }, /* KR -> RK */
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{ -1, -1, -1, -1, 12, 13, 14, 15, 58, 59,
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56, 57, 31, 28, 29, 30, -1, -1, -1, -1 }, /* KA -> RK */
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{ 4, 5, 6, 7, 65, 66, 67, 64, 20, 21,
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22, 23, -1, -1, -1, -1, 43, 40, 41, 42 } /* KB -> RK */
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}
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};
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static const signed char transposes[2][20] =
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{
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{
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21, 22, 23, 20,
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-1, -1, -1, -1,
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18, 19, 16, 17,
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11, 8, 9, 10,
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15, 12, 13, 14
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},
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{
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25, 26, 27, 24,
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29, 30, 31, 28,
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18, 19, 16, 17,
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-1, -1, -1, -1,
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-1, -1, -1, -1
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}
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};
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/* Shift macro for 128 bit strings with rotation smaller than 32 bits (!) */
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#define ROTL(DEST, SRC, SHIFT) \
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{ \
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(DEST)[0] = (SRC)[0] << (SHIFT) ^ (SRC)[1] >> (32 - (SHIFT)); \
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(DEST)[1] = (SRC)[1] << (SHIFT) ^ (SRC)[2] >> (32 - (SHIFT)); \
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(DEST)[2] = (SRC)[2] << (SHIFT) ^ (SRC)[3] >> (32 - (SHIFT)); \
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(DEST)[3] = (SRC)[3] << (SHIFT) ^ (SRC)[0] >> (32 - (SHIFT)); \
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}
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#define FL(XL, XR, KL, KR) \
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{ \
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(XR) = ((((XL) & (KL)) << 1) | (((XL) & (KL)) >> 31)) ^ (XR); \
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(XL) = ((XR) | (KR)) ^ (XL); \
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}
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#define FLInv(YL, YR, KL, KR) \
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{ \
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(YL) = ((YR) | (KR)) ^ (YL); \
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(YR) = ((((YL) & (KL)) << 1) | (((YL) & (KL)) >> 31)) ^ (YR); \
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}
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#define SHIFT_AND_PLACE(INDEX, OFFSET) \
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{ \
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TK[0] = KC[(OFFSET) * 4 + 0]; \
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TK[1] = KC[(OFFSET) * 4 + 1]; \
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TK[2] = KC[(OFFSET) * 4 + 2]; \
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TK[3] = KC[(OFFSET) * 4 + 3]; \
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\
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for( i = 1; i <= 4; i++ ) \
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if( shifts[(INDEX)][(OFFSET)][i -1] ) \
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ROTL(TK + i * 4, TK, ( 15 * i ) % 32); \
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\
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for( i = 0; i < 20; i++ ) \
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if( indexes[(INDEX)][(OFFSET)][i] != -1 ) { \
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RK[indexes[(INDEX)][(OFFSET)][i]] = TK[ i ]; \
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} \
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}
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static void camellia_feistel( const uint32_t x[2], const uint32_t k[2],
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uint32_t z[2])
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{
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uint32_t I0, I1;
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I0 = x[0] ^ k[0];
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I1 = x[1] ^ k[1];
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I0 = ((uint32_t) SBOX1((I0 >> 24) & 0xFF) << 24) |
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((uint32_t) SBOX2((I0 >> 16) & 0xFF) << 16) |
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((uint32_t) SBOX3((I0 >> 8) & 0xFF) << 8) |
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((uint32_t) SBOX4((I0 ) & 0xFF) );
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I1 = ((uint32_t) SBOX2((I1 >> 24) & 0xFF) << 24) |
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((uint32_t) SBOX3((I1 >> 16) & 0xFF) << 16) |
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((uint32_t) SBOX4((I1 >> 8) & 0xFF) << 8) |
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((uint32_t) SBOX1((I1 ) & 0xFF) );
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I0 ^= (I1 << 8) | (I1 >> 24);
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I1 ^= (I0 << 16) | (I0 >> 16);
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I0 ^= (I1 >> 8) | (I1 << 24);
|
|
I1 ^= (I0 >> 8) | (I0 << 24);
|
|
|
|
z[0] ^= I1;
|
|
z[1] ^= I0;
|
|
}
|
|
|
|
void mbedtls_camellia_init( mbedtls_camellia_context *ctx )
|
|
{
|
|
CAMELLIA_VALIDATE( ctx != NULL );
|
|
memset( ctx, 0, sizeof( mbedtls_camellia_context ) );
|
|
}
|
|
|
|
void mbedtls_camellia_free( mbedtls_camellia_context *ctx )
|
|
{
|
|
if( ctx == NULL )
|
|
return;
|
|
|
|
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_camellia_context ) );
|
|
}
|
|
|
|
/*
|
|
* Camellia key schedule (encryption)
|
|
*/
|
|
int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx,
|
|
const unsigned char *key,
|
|
unsigned int keybits )
|
|
{
|
|
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];
|
|
|
|
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
|
CAMELLIA_VALIDATE_RET( key != NULL );
|
|
|
|
RK = ctx->rk;
|
|
|
|
memset( t, 0, 64 );
|
|
memset( RK, 0, sizeof(ctx->rk) );
|
|
|
|
switch( keybits )
|
|
{
|
|
case 128: ctx->nr = 3; idx = 0; break;
|
|
case 192:
|
|
case 256: ctx->nr = 4; idx = 1; break;
|
|
default : return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA );
|
|
}
|
|
|
|
for( i = 0; i < keybits / 8; ++i )
|
|
t[i] = key[i];
|
|
|
|
if( keybits == 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( keybits > 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( keybits > 128 ) {
|
|
SHIFT_AND_PLACE( idx, 1 );
|
|
}
|
|
|
|
/* Manipulating KA */
|
|
SHIFT_AND_PLACE( idx, 2 );
|
|
|
|
/* Manipulating KB */
|
|
if( keybits > 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 mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx,
|
|
const unsigned char *key,
|
|
unsigned int keybits )
|
|
{
|
|
int idx, ret;
|
|
size_t i;
|
|
mbedtls_camellia_context cty;
|
|
uint32_t *RK;
|
|
uint32_t *SK;
|
|
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
|
CAMELLIA_VALIDATE_RET( key != NULL );
|
|
|
|
mbedtls_camellia_init( &cty );
|
|
|
|
/* Also checks keybits */
|
|
if( ( ret = mbedtls_camellia_setkey_enc( &cty, key, keybits ) ) != 0 )
|
|
goto exit;
|
|
|
|
ctx->nr = cty.nr;
|
|
idx = ( ctx->nr == 4 );
|
|
|
|
RK = ctx->rk;
|
|
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++;
|
|
|
|
exit:
|
|
mbedtls_camellia_free( &cty );
|
|
|
|
return( ret );
|
|
}
|
|
|
|
/*
|
|
* Camellia-ECB block encryption/decryption
|
|
*/
|
|
int mbedtls_camellia_crypt_ecb( mbedtls_camellia_context *ctx,
|
|
int mode,
|
|
const unsigned char input[16],
|
|
unsigned char output[16] )
|
|
{
|
|
int NR;
|
|
uint32_t *RK, X[4];
|
|
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
|
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT ||
|
|
mode == MBEDTLS_CAMELLIA_DECRYPT );
|
|
CAMELLIA_VALIDATE_RET( input != NULL );
|
|
CAMELLIA_VALIDATE_RET( output != NULL );
|
|
|
|
( (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(MBEDTLS_CIPHER_MODE_CBC)
|
|
/*
|
|
* Camellia-CBC buffer encryption/decryption
|
|
*/
|
|
int mbedtls_camellia_crypt_cbc( mbedtls_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];
|
|
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
|
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT ||
|
|
mode == MBEDTLS_CAMELLIA_DECRYPT );
|
|
CAMELLIA_VALIDATE_RET( iv != NULL );
|
|
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL );
|
|
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL );
|
|
|
|
if( length % 16 )
|
|
return( MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH );
|
|
|
|
if( mode == MBEDTLS_CAMELLIA_DECRYPT )
|
|
{
|
|
while( length > 0 )
|
|
{
|
|
memcpy( temp, input, 16 );
|
|
mbedtls_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] );
|
|
|
|
mbedtls_camellia_crypt_ecb( ctx, mode, output, output );
|
|
memcpy( iv, output, 16 );
|
|
|
|
input += 16;
|
|
output += 16;
|
|
length -= 16;
|
|
}
|
|
}
|
|
|
|
return( 0 );
|
|
}
|
|
#endif /* MBEDTLS_CIPHER_MODE_CBC */
|
|
|
|
#if defined(MBEDTLS_CIPHER_MODE_CFB)
|
|
/*
|
|
* Camellia-CFB128 buffer encryption/decryption
|
|
*/
|
|
int mbedtls_camellia_crypt_cfb128( mbedtls_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;
|
|
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
|
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT ||
|
|
mode == MBEDTLS_CAMELLIA_DECRYPT );
|
|
CAMELLIA_VALIDATE_RET( iv != NULL );
|
|
CAMELLIA_VALIDATE_RET( iv_off != NULL );
|
|
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL );
|
|
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL );
|
|
|
|
n = *iv_off;
|
|
if( n >= 16 )
|
|
return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA );
|
|
|
|
if( mode == MBEDTLS_CAMELLIA_DECRYPT )
|
|
{
|
|
while( length-- )
|
|
{
|
|
if( n == 0 )
|
|
mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_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 )
|
|
mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, iv, iv );
|
|
|
|
iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
|
|
|
|
n = ( n + 1 ) & 0x0F;
|
|
}
|
|
}
|
|
|
|
*iv_off = n;
|
|
|
|
return( 0 );
|
|
}
|
|
#endif /* MBEDTLS_CIPHER_MODE_CFB */
|
|
|
|
#if defined(MBEDTLS_CIPHER_MODE_CTR)
|
|
/*
|
|
* Camellia-CTR buffer encryption/decryption
|
|
*/
|
|
int mbedtls_camellia_crypt_ctr( mbedtls_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;
|
|
CAMELLIA_VALIDATE_RET( ctx != NULL );
|
|
CAMELLIA_VALIDATE_RET( nonce_counter != NULL );
|
|
CAMELLIA_VALIDATE_RET( stream_block != NULL );
|
|
CAMELLIA_VALIDATE_RET( nc_off != NULL );
|
|
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL );
|
|
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL );
|
|
|
|
n = *nc_off;
|
|
if( n >= 16 )
|
|
return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA );
|
|
|
|
while( length-- )
|
|
{
|
|
if( n == 0 ) {
|
|
mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_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 /* MBEDTLS_CIPHER_MODE_CTR */
|
|
#endif /* !MBEDTLS_CAMELLIA_ALT */
|
|
|
|
#if defined(MBEDTLS_SELF_TEST)
|
|
|
|
/*
|
|
* 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(MBEDTLS_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 /* MBEDTLS_CIPHER_MODE_CBC */
|
|
|
|
#if defined(MBEDTLS_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 /* MBEDTLS_CIPHER_MODE_CTR */
|
|
|
|
/*
|
|
* Checkup routine
|
|
*/
|
|
int mbedtls_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(MBEDTLS_CIPHER_MODE_CBC)
|
|
unsigned char iv[16];
|
|
#endif
|
|
#if defined(MBEDTLS_CIPHER_MODE_CTR)
|
|
size_t offset, len;
|
|
unsigned char nonce_counter[16];
|
|
unsigned char stream_block[16];
|
|
#endif
|
|
int ret = 1;
|
|
|
|
mbedtls_camellia_context ctx;
|
|
|
|
mbedtls_camellia_init( &ctx );
|
|
memset( key, 0, 32 );
|
|
|
|
for( j = 0; j < 6; j++ ) {
|
|
u = j >> 1;
|
|
v = j & 1;
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( " CAMELLIA-ECB-%3d (%s): ", 128 + u * 64,
|
|
(v == MBEDTLS_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 == MBEDTLS_CAMELLIA_DECRYPT ) {
|
|
mbedtls_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 { /* MBEDTLS_CAMELLIA_ENCRYPT */
|
|
mbedtls_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 );
|
|
}
|
|
|
|
mbedtls_camellia_crypt_ecb( &ctx, v, src, buf );
|
|
|
|
if( memcmp( buf, dst, 16 ) != 0 )
|
|
{
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "failed\n" );
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "passed\n" );
|
|
}
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "\n" );
|
|
|
|
#if defined(MBEDTLS_CIPHER_MODE_CBC)
|
|
/*
|
|
* CBC mode
|
|
*/
|
|
for( j = 0; j < 6; j++ )
|
|
{
|
|
u = j >> 1;
|
|
v = j & 1;
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( " CAMELLIA-CBC-%3d (%s): ", 128 + u * 64,
|
|
( v == MBEDTLS_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 == MBEDTLS_CAMELLIA_DECRYPT ) {
|
|
mbedtls_camellia_setkey_dec( &ctx, key, 128 + u * 64 );
|
|
} else {
|
|
mbedtls_camellia_setkey_enc( &ctx, key, 128 + u * 64 );
|
|
}
|
|
|
|
for( i = 0; i < CAMELLIA_TESTS_CBC; i++ ) {
|
|
|
|
if( v == MBEDTLS_CAMELLIA_DECRYPT ) {
|
|
memcpy( iv , src, 16 );
|
|
memcpy( src, camellia_test_cbc_cipher[u][i], 16 );
|
|
memcpy( dst, camellia_test_cbc_plain[i], 16 );
|
|
} else { /* MBEDTLS_CAMELLIA_ENCRYPT */
|
|
memcpy( iv , dst, 16 );
|
|
memcpy( src, camellia_test_cbc_plain[i], 16 );
|
|
memcpy( dst, camellia_test_cbc_cipher[u][i], 16 );
|
|
}
|
|
|
|
mbedtls_camellia_crypt_cbc( &ctx, v, 16, iv, src, buf );
|
|
|
|
if( memcmp( buf, dst, 16 ) != 0 )
|
|
{
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "failed\n" );
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "passed\n" );
|
|
}
|
|
#endif /* MBEDTLS_CIPHER_MODE_CBC */
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "\n" );
|
|
|
|
#if defined(MBEDTLS_CIPHER_MODE_CTR)
|
|
/*
|
|
* CTR mode
|
|
*/
|
|
for( i = 0; i < 6; i++ )
|
|
{
|
|
u = i >> 1;
|
|
v = i & 1;
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( " CAMELLIA-CTR-128 (%s): ",
|
|
( v == MBEDTLS_CAMELLIA_DECRYPT ) ? "dec" : "enc" );
|
|
|
|
memcpy( nonce_counter, camellia_test_ctr_nonce_counter[u], 16 );
|
|
memcpy( key, camellia_test_ctr_key[u], 16 );
|
|
|
|
offset = 0;
|
|
mbedtls_camellia_setkey_enc( &ctx, key, 128 );
|
|
|
|
if( v == MBEDTLS_CAMELLIA_DECRYPT )
|
|
{
|
|
len = camellia_test_ctr_len[u];
|
|
memcpy( buf, camellia_test_ctr_ct[u], len );
|
|
|
|
mbedtls_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 )
|
|
mbedtls_printf( "failed\n" );
|
|
goto exit;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
len = camellia_test_ctr_len[u];
|
|
memcpy( buf, camellia_test_ctr_pt[u], len );
|
|
|
|
mbedtls_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 )
|
|
mbedtls_printf( "failed\n" );
|
|
goto exit;
|
|
}
|
|
}
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "passed\n" );
|
|
}
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "\n" );
|
|
#endif /* MBEDTLS_CIPHER_MODE_CTR */
|
|
|
|
ret = 0;
|
|
|
|
exit:
|
|
mbedtls_camellia_free( &ctx );
|
|
return( ret );
|
|
}
|
|
|
|
#endif /* MBEDTLS_SELF_TEST */
|
|
|
|
#endif /* MBEDTLS_CAMELLIA_C */
|