Greg Steiert / pegasus_dev

Dependents:   blinky_max32630fthr

features/mbedtls/src/camellia.c@3:1198227e6421, 2016-12-16 (annotated)

Committer:
switches
Date:
Fri Dec 16 16:27:57 2016 +0000
Revision:
3:1198227e6421
Parent:
0:5c4d7b2438d3 
Changed ADC scale for MAX32625 platforms to 1.2V full scale to match MAX32630 platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
switches 0:5c4d7b2438d3 1 /*
switches 0:5c4d7b2438d3 2 * Camellia implementation
switches 0:5c4d7b2438d3 3 *
switches 0:5c4d7b2438d3 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
switches 0:5c4d7b2438d3 5 * SPDX-License-Identifier: Apache-2.0
switches 0:5c4d7b2438d3 6 *
switches 0:5c4d7b2438d3 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
switches 0:5c4d7b2438d3 8 * not use this file except in compliance with the License.
switches 0:5c4d7b2438d3 9 * You may obtain a copy of the License at
switches 0:5c4d7b2438d3 10 *
switches 0:5c4d7b2438d3 11 * http://www.apache.org/licenses/LICENSE-2.0
switches 0:5c4d7b2438d3 12 *
switches 0:5c4d7b2438d3 13 * Unless required by applicable law or agreed to in writing, software
switches 0:5c4d7b2438d3 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
switches 0:5c4d7b2438d3 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
switches 0:5c4d7b2438d3 16 * See the License for the specific language governing permissions and
switches 0:5c4d7b2438d3 17 * limitations under the License.
switches 0:5c4d7b2438d3 18 *
switches 0:5c4d7b2438d3 19 * This file is part of mbed TLS (https://tls.mbed.org)
switches 0:5c4d7b2438d3 20 */
switches 0:5c4d7b2438d3 21 /*
switches 0:5c4d7b2438d3 22 * The Camellia block cipher was designed by NTT and Mitsubishi Electric
switches 0:5c4d7b2438d3 23 * Corporation.
switches 0:5c4d7b2438d3 24 *
switches 0:5c4d7b2438d3 25 * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/01espec.pdf
switches 0:5c4d7b2438d3 26 */
switches 0:5c4d7b2438d3 27
switches 0:5c4d7b2438d3 28 #if !defined(MBEDTLS_CONFIG_FILE)
switches 0:5c4d7b2438d3 29 #include "mbedtls/config.h"
switches 0:5c4d7b2438d3 30 #else
switches 0:5c4d7b2438d3 31 #include MBEDTLS_CONFIG_FILE
switches 0:5c4d7b2438d3 32 #endif
switches 0:5c4d7b2438d3 33
switches 0:5c4d7b2438d3 34 #if defined(MBEDTLS_CAMELLIA_C)
switches 0:5c4d7b2438d3 35
switches 0:5c4d7b2438d3 36 #include "mbedtls/camellia.h"
switches 0:5c4d7b2438d3 37
switches 0:5c4d7b2438d3 38 #include <string.h>
switches 0:5c4d7b2438d3 39
switches 0:5c4d7b2438d3 40 #if defined(MBEDTLS_SELF_TEST)
switches 0:5c4d7b2438d3 41 #if defined(MBEDTLS_PLATFORM_C)
switches 0:5c4d7b2438d3 42 #include "mbedtls/platform.h"
switches 0:5c4d7b2438d3 43 #else
switches 0:5c4d7b2438d3 44 #include <stdio.h>
switches 0:5c4d7b2438d3 45 #define mbedtls_printf printf
switches 0:5c4d7b2438d3 46 #endif /* MBEDTLS_PLATFORM_C */
switches 0:5c4d7b2438d3 47 #endif /* MBEDTLS_SELF_TEST */
switches 0:5c4d7b2438d3 48
switches 0:5c4d7b2438d3 49 #if !defined(MBEDTLS_CAMELLIA_ALT)
switches 0:5c4d7b2438d3 50
switches 0:5c4d7b2438d3 51 /* Implementation that should never be optimized out by the compiler */
switches 0:5c4d7b2438d3 52 static void mbedtls_zeroize( void *v, size_t n ) {
switches 0:5c4d7b2438d3 53 volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
switches 0:5c4d7b2438d3 54 }
switches 0:5c4d7b2438d3 55
switches 0:5c4d7b2438d3 56 /*
switches 0:5c4d7b2438d3 57 * 32-bit integer manipulation macros (big endian)
switches 0:5c4d7b2438d3 58 */
switches 0:5c4d7b2438d3 59 #ifndef GET_UINT32_BE
switches 0:5c4d7b2438d3 60 #define GET_UINT32_BE(n,b,i) \
switches 0:5c4d7b2438d3 61 { \
switches 0:5c4d7b2438d3 62 (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
switches 0:5c4d7b2438d3 63 | ( (uint32_t) (b)[(i) + 1] << 16 ) \
switches 0:5c4d7b2438d3 64 | ( (uint32_t) (b)[(i) + 2] << 8 ) \
switches 0:5c4d7b2438d3 65 | ( (uint32_t) (b)[(i) + 3] ); \
switches 0:5c4d7b2438d3 66 }
switches 0:5c4d7b2438d3 67 #endif
switches 0:5c4d7b2438d3 68
switches 0:5c4d7b2438d3 69 #ifndef PUT_UINT32_BE
switches 0:5c4d7b2438d3 70 #define PUT_UINT32_BE(n,b,i) \
switches 0:5c4d7b2438d3 71 { \
switches 0:5c4d7b2438d3 72 (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
switches 0:5c4d7b2438d3 73 (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
switches 0:5c4d7b2438d3 74 (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
switches 0:5c4d7b2438d3 75 (b)[(i) + 3] = (unsigned char) ( (n) ); \
switches 0:5c4d7b2438d3 76 }
switches 0:5c4d7b2438d3 77 #endif
switches 0:5c4d7b2438d3 78
switches 0:5c4d7b2438d3 79 static const unsigned char SIGMA_CHARS[6][8] =
switches 0:5c4d7b2438d3 80 {
switches 0:5c4d7b2438d3 81 { 0xa0, 0x9e, 0x66, 0x7f, 0x3b, 0xcc, 0x90, 0x8b },
switches 0:5c4d7b2438d3 82 { 0xb6, 0x7a, 0xe8, 0x58, 0x4c, 0xaa, 0x73, 0xb2 },
switches 0:5c4d7b2438d3 83 { 0xc6, 0xef, 0x37, 0x2f, 0xe9, 0x4f, 0x82, 0xbe },
switches 0:5c4d7b2438d3 84 { 0x54, 0xff, 0x53, 0xa5, 0xf1, 0xd3, 0x6f, 0x1c },
switches 0:5c4d7b2438d3 85 { 0x10, 0xe5, 0x27, 0xfa, 0xde, 0x68, 0x2d, 0x1d },
switches 0:5c4d7b2438d3 86 { 0xb0, 0x56, 0x88, 0xc2, 0xb3, 0xe6, 0xc1, 0xfd }
switches 0:5c4d7b2438d3 87 };
switches 0:5c4d7b2438d3 88
switches 0:5c4d7b2438d3 89 #if defined(MBEDTLS_CAMELLIA_SMALL_MEMORY)
switches 0:5c4d7b2438d3 90
switches 0:5c4d7b2438d3 91 static const unsigned char FSb[256] =
switches 0:5c4d7b2438d3 92 {
switches 0:5c4d7b2438d3 93 112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65,
switches 0:5c4d7b2438d3 94 35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189,
switches 0:5c4d7b2438d3 95 134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26,
switches 0:5c4d7b2438d3 96 166,225, 57,202,213, 71, 93, 61,217, 1, 90,214, 81, 86,108, 77,
switches 0:5c4d7b2438d3 97 139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153,
switches 0:5c4d7b2438d3 98 223, 76,203,194, 52,126,118, 5,109,183,169, 49,209, 23, 4,215,
switches 0:5c4d7b2438d3 99 20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34,
switches 0:5c4d7b2438d3 100 254, 68,207,178,195,181,122,145, 36, 8,232,168, 96,252,105, 80,
switches 0:5c4d7b2438d3 101 170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210,
switches 0:5c4d7b2438d3 102 16,196, 0, 72,163,247,117,219,138, 3,230,218, 9, 63,221,148,
switches 0:5c4d7b2438d3 103 135, 92,131, 2,205, 74,144, 51,115,103,246,243,157,127,191,226,
switches 0:5c4d7b2438d3 104 82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46,
switches 0:5c4d7b2438d3 105 233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89,
switches 0:5c4d7b2438d3 106 120,152, 6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250,
switches 0:5c4d7b2438d3 107 114, 7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164,
switches 0:5c4d7b2438d3 108 64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158
switches 0:5c4d7b2438d3 109 };
switches 0:5c4d7b2438d3 110
switches 0:5c4d7b2438d3 111 #define SBOX1(n) FSb[(n)]
switches 0:5c4d7b2438d3 112 #define SBOX2(n) (unsigned char)((FSb[(n)] >> 7 ^ FSb[(n)] << 1) & 0xff)
switches 0:5c4d7b2438d3 113 #define SBOX3(n) (unsigned char)((FSb[(n)] >> 1 ^ FSb[(n)] << 7) & 0xff)
switches 0:5c4d7b2438d3 114 #define SBOX4(n) FSb[((n) << 1 ^ (n) >> 7) &0xff]
switches 0:5c4d7b2438d3 115
switches 0:5c4d7b2438d3 116 #else /* MBEDTLS_CAMELLIA_SMALL_MEMORY */
switches 0:5c4d7b2438d3 117
switches 0:5c4d7b2438d3 118 static const unsigned char FSb[256] =
switches 0:5c4d7b2438d3 119 {
switches 0:5c4d7b2438d3 120 112, 130, 44, 236, 179, 39, 192, 229, 228, 133, 87, 53, 234, 12, 174, 65,
switches 0:5c4d7b2438d3 121 35, 239, 107, 147, 69, 25, 165, 33, 237, 14, 79, 78, 29, 101, 146, 189,
switches 0:5c4d7b2438d3 122 134, 184, 175, 143, 124, 235, 31, 206, 62, 48, 220, 95, 94, 197, 11, 26,
switches 0:5c4d7b2438d3 123 166, 225, 57, 202, 213, 71, 93, 61, 217, 1, 90, 214, 81, 86, 108, 77,
switches 0:5c4d7b2438d3 124 139, 13, 154, 102, 251, 204, 176, 45, 116, 18, 43, 32, 240, 177, 132, 153,
switches 0:5c4d7b2438d3 125 223, 76, 203, 194, 52, 126, 118, 5, 109, 183, 169, 49, 209, 23, 4, 215,
switches 0:5c4d7b2438d3 126 20, 88, 58, 97, 222, 27, 17, 28, 50, 15, 156, 22, 83, 24, 242, 34,
switches 0:5c4d7b2438d3 127 254, 68, 207, 178, 195, 181, 122, 145, 36, 8, 232, 168, 96, 252, 105, 80,
switches 0:5c4d7b2438d3 128 170, 208, 160, 125, 161, 137, 98, 151, 84, 91, 30, 149, 224, 255, 100, 210,
switches 0:5c4d7b2438d3 129 16, 196, 0, 72, 163, 247, 117, 219, 138, 3, 230, 218, 9, 63, 221, 148,
switches 0:5c4d7b2438d3 130 135, 92, 131, 2, 205, 74, 144, 51, 115, 103, 246, 243, 157, 127, 191, 226,
switches 0:5c4d7b2438d3 131 82, 155, 216, 38, 200, 55, 198, 59, 129, 150, 111, 75, 19, 190, 99, 46,
switches 0:5c4d7b2438d3 132 233, 121, 167, 140, 159, 110, 188, 142, 41, 245, 249, 182, 47, 253, 180, 89,
switches 0:5c4d7b2438d3 133 120, 152, 6, 106, 231, 70, 113, 186, 212, 37, 171, 66, 136, 162, 141, 250,
switches 0:5c4d7b2438d3 134 114, 7, 185, 85, 248, 238, 172, 10, 54, 73, 42, 104, 60, 56, 241, 164,
switches 0:5c4d7b2438d3 135 64, 40, 211, 123, 187, 201, 67, 193, 21, 227, 173, 244, 119, 199, 128, 158
switches 0:5c4d7b2438d3 136 };
switches 0:5c4d7b2438d3 137
switches 0:5c4d7b2438d3 138 static const unsigned char FSb2[256] =
switches 0:5c4d7b2438d3 139 {
switches 0:5c4d7b2438d3 140 224, 5, 88, 217, 103, 78, 129, 203, 201, 11, 174, 106, 213, 24, 93, 130,
switches 0:5c4d7b2438d3 141 70, 223, 214, 39, 138, 50, 75, 66, 219, 28, 158, 156, 58, 202, 37, 123,
switches 0:5c4d7b2438d3 142 13, 113, 95, 31, 248, 215, 62, 157, 124, 96, 185, 190, 188, 139, 22, 52,
switches 0:5c4d7b2438d3 143 77, 195, 114, 149, 171, 142, 186, 122, 179, 2, 180, 173, 162, 172, 216, 154,
switches 0:5c4d7b2438d3 144 23, 26, 53, 204, 247, 153, 97, 90, 232, 36, 86, 64, 225, 99, 9, 51,
switches 0:5c4d7b2438d3 145 191, 152, 151, 133, 104, 252, 236, 10, 218, 111, 83, 98, 163, 46, 8, 175,
switches 0:5c4d7b2438d3 146 40, 176, 116, 194, 189, 54, 34, 56, 100, 30, 57, 44, 166, 48, 229, 68,
switches 0:5c4d7b2438d3 147 253, 136, 159, 101, 135, 107, 244, 35, 72, 16, 209, 81, 192, 249, 210, 160,
switches 0:5c4d7b2438d3 148 85, 161, 65, 250, 67, 19, 196, 47, 168, 182, 60, 43, 193, 255, 200, 165,
switches 0:5c4d7b2438d3 149 32, 137, 0, 144, 71, 239, 234, 183, 21, 6, 205, 181, 18, 126, 187, 41,
switches 0:5c4d7b2438d3 150 15, 184, 7, 4, 155, 148, 33, 102, 230, 206, 237, 231, 59, 254, 127, 197,
switches 0:5c4d7b2438d3 151 164, 55, 177, 76, 145, 110, 141, 118, 3, 45, 222, 150, 38, 125, 198, 92,
switches 0:5c4d7b2438d3 152 211, 242, 79, 25, 63, 220, 121, 29, 82, 235, 243, 109, 94, 251, 105, 178,
switches 0:5c4d7b2438d3 153 240, 49, 12, 212, 207, 140, 226, 117, 169, 74, 87, 132, 17, 69, 27, 245,
switches 0:5c4d7b2438d3 154 228, 14, 115, 170, 241, 221, 89, 20, 108, 146, 84, 208, 120, 112, 227, 73,
switches 0:5c4d7b2438d3 155 128, 80, 167, 246, 119, 147, 134, 131, 42, 199, 91, 233, 238, 143, 1, 61
switches 0:5c4d7b2438d3 156 };
switches 0:5c4d7b2438d3 157
switches 0:5c4d7b2438d3 158 static const unsigned char FSb3[256] =
switches 0:5c4d7b2438d3 159 {
switches 0:5c4d7b2438d3 160 56, 65, 22, 118, 217, 147, 96, 242, 114, 194, 171, 154, 117, 6, 87, 160,
switches 0:5c4d7b2438d3 161 145, 247, 181, 201, 162, 140, 210, 144, 246, 7, 167, 39, 142, 178, 73, 222,
switches 0:5c4d7b2438d3 162 67, 92, 215, 199, 62, 245, 143, 103, 31, 24, 110, 175, 47, 226, 133, 13,
switches 0:5c4d7b2438d3 163 83, 240, 156, 101, 234, 163, 174, 158, 236, 128, 45, 107, 168, 43, 54, 166,
switches 0:5c4d7b2438d3 164 197, 134, 77, 51, 253, 102, 88, 150, 58, 9, 149, 16, 120, 216, 66, 204,
switches 0:5c4d7b2438d3 165 239, 38, 229, 97, 26, 63, 59, 130, 182, 219, 212, 152, 232, 139, 2, 235,
switches 0:5c4d7b2438d3 166 10, 44, 29, 176, 111, 141, 136, 14, 25, 135, 78, 11, 169, 12, 121, 17,
switches 0:5c4d7b2438d3 167 127, 34, 231, 89, 225, 218, 61, 200, 18, 4, 116, 84, 48, 126, 180, 40,
switches 0:5c4d7b2438d3 168 85, 104, 80, 190, 208, 196, 49, 203, 42, 173, 15, 202, 112, 255, 50, 105,
switches 0:5c4d7b2438d3 169 8, 98, 0, 36, 209, 251, 186, 237, 69, 129, 115, 109, 132, 159, 238, 74,
switches 0:5c4d7b2438d3 170 195, 46, 193, 1, 230, 37, 72, 153, 185, 179, 123, 249, 206, 191, 223, 113,
switches 0:5c4d7b2438d3 171 41, 205, 108, 19, 100, 155, 99, 157, 192, 75, 183, 165, 137, 95, 177, 23,
switches 0:5c4d7b2438d3 172 244, 188, 211, 70, 207, 55, 94, 71, 148, 250, 252, 91, 151, 254, 90, 172,
switches 0:5c4d7b2438d3 173 60, 76, 3, 53, 243, 35, 184, 93, 106, 146, 213, 33, 68, 81, 198, 125,
switches 0:5c4d7b2438d3 174 57, 131, 220, 170, 124, 119, 86, 5, 27, 164, 21, 52, 30, 28, 248, 82,
switches 0:5c4d7b2438d3 175 32, 20, 233, 189, 221, 228, 161, 224, 138, 241, 214, 122, 187, 227, 64, 79
switches 0:5c4d7b2438d3 176 };
switches 0:5c4d7b2438d3 177
switches 0:5c4d7b2438d3 178 static const unsigned char FSb4[256] =
switches 0:5c4d7b2438d3 179 {
switches 0:5c4d7b2438d3 180 112, 44, 179, 192, 228, 87, 234, 174, 35, 107, 69, 165, 237, 79, 29, 146,
switches 0:5c4d7b2438d3 181 134, 175, 124, 31, 62, 220, 94, 11, 166, 57, 213, 93, 217, 90, 81, 108,
switches 0:5c4d7b2438d3 182 139, 154, 251, 176, 116, 43, 240, 132, 223, 203, 52, 118, 109, 169, 209, 4,
switches 0:5c4d7b2438d3 183 20, 58, 222, 17, 50, 156, 83, 242, 254, 207, 195, 122, 36, 232, 96, 105,
switches 0:5c4d7b2438d3 184 170, 160, 161, 98, 84, 30, 224, 100, 16, 0, 163, 117, 138, 230, 9, 221,
switches 0:5c4d7b2438d3 185 135, 131, 205, 144, 115, 246, 157, 191, 82, 216, 200, 198, 129, 111, 19, 99,
switches 0:5c4d7b2438d3 186 233, 167, 159, 188, 41, 249, 47, 180, 120, 6, 231, 113, 212, 171, 136, 141,
switches 0:5c4d7b2438d3 187 114, 185, 248, 172, 54, 42, 60, 241, 64, 211, 187, 67, 21, 173, 119, 128,
switches 0:5c4d7b2438d3 188 130, 236, 39, 229, 133, 53, 12, 65, 239, 147, 25, 33, 14, 78, 101, 189,
switches 0:5c4d7b2438d3 189 184, 143, 235, 206, 48, 95, 197, 26, 225, 202, 71, 61, 1, 214, 86, 77,
switches 0:5c4d7b2438d3 190 13, 102, 204, 45, 18, 32, 177, 153, 76, 194, 126, 5, 183, 49, 23, 215,
switches 0:5c4d7b2438d3 191 88, 97, 27, 28, 15, 22, 24, 34, 68, 178, 181, 145, 8, 168, 252, 80,
switches 0:5c4d7b2438d3 192 208, 125, 137, 151, 91, 149, 255, 210, 196, 72, 247, 219, 3, 218, 63, 148,
switches 0:5c4d7b2438d3 193 92, 2, 74, 51, 103, 243, 127, 226, 155, 38, 55, 59, 150, 75, 190, 46,
switches 0:5c4d7b2438d3 194 121, 140, 110, 142, 245, 182, 253, 89, 152, 106, 70, 186, 37, 66, 162, 250,
switches 0:5c4d7b2438d3 195 7, 85, 238, 10, 73, 104, 56, 164, 40, 123, 201, 193, 227, 244, 199, 158
switches 0:5c4d7b2438d3 196 };
switches 0:5c4d7b2438d3 197
switches 0:5c4d7b2438d3 198 #define SBOX1(n) FSb[(n)]
switches 0:5c4d7b2438d3 199 #define SBOX2(n) FSb2[(n)]
switches 0:5c4d7b2438d3 200 #define SBOX3(n) FSb3[(n)]
switches 0:5c4d7b2438d3 201 #define SBOX4(n) FSb4[(n)]
switches 0:5c4d7b2438d3 202
switches 0:5c4d7b2438d3 203 #endif /* MBEDTLS_CAMELLIA_SMALL_MEMORY */
switches 0:5c4d7b2438d3 204
switches 0:5c4d7b2438d3 205 static const unsigned char shifts[2][4][4] =
switches 0:5c4d7b2438d3 206 {
switches 0:5c4d7b2438d3 207 {
switches 0:5c4d7b2438d3 208 { 1, 1, 1, 1 }, /* KL */
switches 0:5c4d7b2438d3 209 { 0, 0, 0, 0 }, /* KR */
switches 0:5c4d7b2438d3 210 { 1, 1, 1, 1 }, /* KA */
switches 0:5c4d7b2438d3 211 { 0, 0, 0, 0 } /* KB */
switches 0:5c4d7b2438d3 212 },
switches 0:5c4d7b2438d3 213 {
switches 0:5c4d7b2438d3 214 { 1, 0, 1, 1 }, /* KL */
switches 0:5c4d7b2438d3 215 { 1, 1, 0, 1 }, /* KR */
switches 0:5c4d7b2438d3 216 { 1, 1, 1, 0 }, /* KA */
switches 0:5c4d7b2438d3 217 { 1, 1, 0, 1 } /* KB */
switches 0:5c4d7b2438d3 218 }
switches 0:5c4d7b2438d3 219 };
switches 0:5c4d7b2438d3 220
switches 0:5c4d7b2438d3 221 static const signed char indexes[2][4][20] =
switches 0:5c4d7b2438d3 222 {
switches 0:5c4d7b2438d3 223 {
switches 0:5c4d7b2438d3 224 { 0, 1, 2, 3, 8, 9, 10, 11, 38, 39,
switches 0:5c4d7b2438d3 225 36, 37, 23, 20, 21, 22, 27, -1, -1, 26 }, /* KL -> RK */
switches 0:5c4d7b2438d3 226 { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
switches 0:5c4d7b2438d3 227 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, /* KR -> RK */
switches 0:5c4d7b2438d3 228 { 4, 5, 6, 7, 12, 13, 14, 15, 16, 17,
switches 0:5c4d7b2438d3 229 18, 19, -1, 24, 25, -1, 31, 28, 29, 30 }, /* KA -> RK */
switches 0:5c4d7b2438d3 230 { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
switches 0:5c4d7b2438d3 231 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } /* KB -> RK */
switches 0:5c4d7b2438d3 232 },
switches 0:5c4d7b2438d3 233 {
switches 0:5c4d7b2438d3 234 { 0, 1, 2, 3, 61, 62, 63, 60, -1, -1,
switches 0:5c4d7b2438d3 235 -1, -1, 27, 24, 25, 26, 35, 32, 33, 34 }, /* KL -> RK */
switches 0:5c4d7b2438d3 236 { -1, -1, -1, -1, 8, 9, 10, 11, 16, 17,
switches 0:5c4d7b2438d3 237 18, 19, -1, -1, -1, -1, 39, 36, 37, 38 }, /* KR -> RK */
switches 0:5c4d7b2438d3 238 { -1, -1, -1, -1, 12, 13, 14, 15, 58, 59,
switches 0:5c4d7b2438d3 239 56, 57, 31, 28, 29, 30, -1, -1, -1, -1 }, /* KA -> RK */
switches 0:5c4d7b2438d3 240 { 4, 5, 6, 7, 65, 66, 67, 64, 20, 21,
switches 0:5c4d7b2438d3 241 22, 23, -1, -1, -1, -1, 43, 40, 41, 42 } /* KB -> RK */
switches 0:5c4d7b2438d3 242 }
switches 0:5c4d7b2438d3 243 };
switches 0:5c4d7b2438d3 244
switches 0:5c4d7b2438d3 245 static const signed char transposes[2][20] =
switches 0:5c4d7b2438d3 246 {
switches 0:5c4d7b2438d3 247 {
switches 0:5c4d7b2438d3 248 21, 22, 23, 20,
switches 0:5c4d7b2438d3 249 -1, -1, -1, -1,
switches 0:5c4d7b2438d3 250 18, 19, 16, 17,
switches 0:5c4d7b2438d3 251 11, 8, 9, 10,
switches 0:5c4d7b2438d3 252 15, 12, 13, 14
switches 0:5c4d7b2438d3 253 },
switches 0:5c4d7b2438d3 254 {
switches 0:5c4d7b2438d3 255 25, 26, 27, 24,
switches 0:5c4d7b2438d3 256 29, 30, 31, 28,
switches 0:5c4d7b2438d3 257 18, 19, 16, 17,
switches 0:5c4d7b2438d3 258 -1, -1, -1, -1,
switches 0:5c4d7b2438d3 259 -1, -1, -1, -1
switches 0:5c4d7b2438d3 260 }
switches 0:5c4d7b2438d3 261 };
switches 0:5c4d7b2438d3 262
switches 0:5c4d7b2438d3 263 /* Shift macro for 128 bit strings with rotation smaller than 32 bits (!) */
switches 0:5c4d7b2438d3 264 #define ROTL(DEST, SRC, SHIFT) \
switches 0:5c4d7b2438d3 265 { \
switches 0:5c4d7b2438d3 266 (DEST)[0] = (SRC)[0] << (SHIFT) ^ (SRC)[1] >> (32 - (SHIFT)); \
switches 0:5c4d7b2438d3 267 (DEST)[1] = (SRC)[1] << (SHIFT) ^ (SRC)[2] >> (32 - (SHIFT)); \
switches 0:5c4d7b2438d3 268 (DEST)[2] = (SRC)[2] << (SHIFT) ^ (SRC)[3] >> (32 - (SHIFT)); \
switches 0:5c4d7b2438d3 269 (DEST)[3] = (SRC)[3] << (SHIFT) ^ (SRC)[0] >> (32 - (SHIFT)); \
switches 0:5c4d7b2438d3 270 }
switches 0:5c4d7b2438d3 271
switches 0:5c4d7b2438d3 272 #define FL(XL, XR, KL, KR) \
switches 0:5c4d7b2438d3 273 { \
switches 0:5c4d7b2438d3 274 (XR) = ((((XL) & (KL)) << 1) | (((XL) & (KL)) >> 31)) ^ (XR); \
switches 0:5c4d7b2438d3 275 (XL) = ((XR) | (KR)) ^ (XL); \
switches 0:5c4d7b2438d3 276 }
switches 0:5c4d7b2438d3 277
switches 0:5c4d7b2438d3 278 #define FLInv(YL, YR, KL, KR) \
switches 0:5c4d7b2438d3 279 { \
switches 0:5c4d7b2438d3 280 (YL) = ((YR) | (KR)) ^ (YL); \
switches 0:5c4d7b2438d3 281 (YR) = ((((YL) & (KL)) << 1) | (((YL) & (KL)) >> 31)) ^ (YR); \
switches 0:5c4d7b2438d3 282 }
switches 0:5c4d7b2438d3 283
switches 0:5c4d7b2438d3 284 #define SHIFT_AND_PLACE(INDEX, OFFSET) \
switches 0:5c4d7b2438d3 285 { \
switches 0:5c4d7b2438d3 286 TK[0] = KC[(OFFSET) * 4 + 0]; \
switches 0:5c4d7b2438d3 287 TK[1] = KC[(OFFSET) * 4 + 1]; \
switches 0:5c4d7b2438d3 288 TK[2] = KC[(OFFSET) * 4 + 2]; \
switches 0:5c4d7b2438d3 289 TK[3] = KC[(OFFSET) * 4 + 3]; \
switches 0:5c4d7b2438d3 290 \
switches 0:5c4d7b2438d3 291 for( i = 1; i <= 4; i++ ) \
switches 0:5c4d7b2438d3 292 if( shifts[(INDEX)][(OFFSET)][i -1] ) \
switches 0:5c4d7b2438d3 293 ROTL(TK + i * 4, TK, ( 15 * i ) % 32); \
switches 0:5c4d7b2438d3 294 \
switches 0:5c4d7b2438d3 295 for( i = 0; i < 20; i++ ) \
switches 0:5c4d7b2438d3 296 if( indexes[(INDEX)][(OFFSET)][i] != -1 ) { \
switches 0:5c4d7b2438d3 297 RK[indexes[(INDEX)][(OFFSET)][i]] = TK[ i ]; \
switches 0:5c4d7b2438d3 298 } \
switches 0:5c4d7b2438d3 299 }
switches 0:5c4d7b2438d3 300
switches 0:5c4d7b2438d3 301 static void camellia_feistel( const uint32_t x[2], const uint32_t k[2],
switches 0:5c4d7b2438d3 302 uint32_t z[2])
switches 0:5c4d7b2438d3 303 {
switches 0:5c4d7b2438d3 304 uint32_t I0, I1;
switches 0:5c4d7b2438d3 305 I0 = x[0] ^ k[0];
switches 0:5c4d7b2438d3 306 I1 = x[1] ^ k[1];
switches 0:5c4d7b2438d3 307
switches 0:5c4d7b2438d3 308 I0 = ((uint32_t) SBOX1((I0 >> 24) & 0xFF) << 24) |
switches 0:5c4d7b2438d3 309 ((uint32_t) SBOX2((I0 >> 16) & 0xFF) << 16) |
switches 0:5c4d7b2438d3 310 ((uint32_t) SBOX3((I0 >> 8) & 0xFF) << 8) |
switches 0:5c4d7b2438d3 311 ((uint32_t) SBOX4((I0 ) & 0xFF) );
switches 0:5c4d7b2438d3 312 I1 = ((uint32_t) SBOX2((I1 >> 24) & 0xFF) << 24) |
switches 0:5c4d7b2438d3 313 ((uint32_t) SBOX3((I1 >> 16) & 0xFF) << 16) |
switches 0:5c4d7b2438d3 314 ((uint32_t) SBOX4((I1 >> 8) & 0xFF) << 8) |
switches 0:5c4d7b2438d3 315 ((uint32_t) SBOX1((I1 ) & 0xFF) );
switches 0:5c4d7b2438d3 316
switches 0:5c4d7b2438d3 317 I0 ^= (I1 << 8) | (I1 >> 24);
switches 0:5c4d7b2438d3 318 I1 ^= (I0 << 16) | (I0 >> 16);
switches 0:5c4d7b2438d3 319 I0 ^= (I1 >> 8) | (I1 << 24);
switches 0:5c4d7b2438d3 320 I1 ^= (I0 >> 8) | (I0 << 24);
switches 0:5c4d7b2438d3 321
switches 0:5c4d7b2438d3 322 z[0] ^= I1;
switches 0:5c4d7b2438d3 323 z[1] ^= I0;
switches 0:5c4d7b2438d3 324 }
switches 0:5c4d7b2438d3 325
switches 0:5c4d7b2438d3 326 void mbedtls_camellia_init( mbedtls_camellia_context *ctx )
switches 0:5c4d7b2438d3 327 {
switches 0:5c4d7b2438d3 328 memset( ctx, 0, sizeof( mbedtls_camellia_context ) );
switches 0:5c4d7b2438d3 329 }
switches 0:5c4d7b2438d3 330
switches 0:5c4d7b2438d3 331 void mbedtls_camellia_free( mbedtls_camellia_context *ctx )
switches 0:5c4d7b2438d3 332 {
switches 0:5c4d7b2438d3 333 if( ctx == NULL )
switches 0:5c4d7b2438d3 334 return;
switches 0:5c4d7b2438d3 335
switches 0:5c4d7b2438d3 336 mbedtls_zeroize( ctx, sizeof( mbedtls_camellia_context ) );
switches 0:5c4d7b2438d3 337 }
switches 0:5c4d7b2438d3 338
switches 0:5c4d7b2438d3 339 /*
switches 0:5c4d7b2438d3 340 * Camellia key schedule (encryption)
switches 0:5c4d7b2438d3 341 */
switches 0:5c4d7b2438d3 342 int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, const unsigned char *key,
switches 0:5c4d7b2438d3 343 unsigned int keybits )
switches 0:5c4d7b2438d3 344 {
switches 0:5c4d7b2438d3 345 int idx;
switches 0:5c4d7b2438d3 346 size_t i;
switches 0:5c4d7b2438d3 347 uint32_t *RK;
switches 0:5c4d7b2438d3 348 unsigned char t[64];
switches 0:5c4d7b2438d3 349 uint32_t SIGMA[6][2];
switches 0:5c4d7b2438d3 350 uint32_t KC[16];
switches 0:5c4d7b2438d3 351 uint32_t TK[20];
switches 0:5c4d7b2438d3 352
switches 0:5c4d7b2438d3 353 RK = ctx->rk;
switches 0:5c4d7b2438d3 354
switches 0:5c4d7b2438d3 355 memset( t, 0, 64 );
switches 0:5c4d7b2438d3 356 memset( RK, 0, sizeof(ctx->rk) );
switches 0:5c4d7b2438d3 357
switches 0:5c4d7b2438d3 358 switch( keybits )
switches 0:5c4d7b2438d3 359 {
switches 0:5c4d7b2438d3 360 case 128: ctx->nr = 3; idx = 0; break;
switches 0:5c4d7b2438d3 361 case 192:
switches 0:5c4d7b2438d3 362 case 256: ctx->nr = 4; idx = 1; break;
switches 0:5c4d7b2438d3 363 default : return( MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH );
switches 0:5c4d7b2438d3 364 }
switches 0:5c4d7b2438d3 365
switches 0:5c4d7b2438d3 366 for( i = 0; i < keybits / 8; ++i )
switches 0:5c4d7b2438d3 367 t[i] = key[i];
switches 0:5c4d7b2438d3 368
switches 0:5c4d7b2438d3 369 if( keybits == 192 ) {
switches 0:5c4d7b2438d3 370 for( i = 0; i < 8; i++ )
switches 0:5c4d7b2438d3 371 t[24 + i] = ~t[16 + i];
switches 0:5c4d7b2438d3 372 }
switches 0:5c4d7b2438d3 373
switches 0:5c4d7b2438d3 374 /*
switches 0:5c4d7b2438d3 375 * Prepare SIGMA values
switches 0:5c4d7b2438d3 376 */
switches 0:5c4d7b2438d3 377 for( i = 0; i < 6; i++ ) {
switches 0:5c4d7b2438d3 378 GET_UINT32_BE( SIGMA[i][0], SIGMA_CHARS[i], 0 );
switches 0:5c4d7b2438d3 379 GET_UINT32_BE( SIGMA[i][1], SIGMA_CHARS[i], 4 );
switches 0:5c4d7b2438d3 380 }
switches 0:5c4d7b2438d3 381
switches 0:5c4d7b2438d3 382 /*
switches 0:5c4d7b2438d3 383 * Key storage in KC
switches 0:5c4d7b2438d3 384 * Order: KL, KR, KA, KB
switches 0:5c4d7b2438d3 385 */
switches 0:5c4d7b2438d3 386 memset( KC, 0, sizeof(KC) );
switches 0:5c4d7b2438d3 387
switches 0:5c4d7b2438d3 388 /* Store KL, KR */
switches 0:5c4d7b2438d3 389 for( i = 0; i < 8; i++ )
switches 0:5c4d7b2438d3 390 GET_UINT32_BE( KC[i], t, i * 4 );
switches 0:5c4d7b2438d3 391
switches 0:5c4d7b2438d3 392 /* Generate KA */
switches 0:5c4d7b2438d3 393 for( i = 0; i < 4; ++i )
switches 0:5c4d7b2438d3 394 KC[8 + i] = KC[i] ^ KC[4 + i];
switches 0:5c4d7b2438d3 395
switches 0:5c4d7b2438d3 396 camellia_feistel( KC + 8, SIGMA[0], KC + 10 );
switches 0:5c4d7b2438d3 397 camellia_feistel( KC + 10, SIGMA[1], KC + 8 );
switches 0:5c4d7b2438d3 398
switches 0:5c4d7b2438d3 399 for( i = 0; i < 4; ++i )
switches 0:5c4d7b2438d3 400 KC[8 + i] ^= KC[i];
switches 0:5c4d7b2438d3 401
switches 0:5c4d7b2438d3 402 camellia_feistel( KC + 8, SIGMA[2], KC + 10 );
switches 0:5c4d7b2438d3 403 camellia_feistel( KC + 10, SIGMA[3], KC + 8 );
switches 0:5c4d7b2438d3 404
switches 0:5c4d7b2438d3 405 if( keybits > 128 ) {
switches 0:5c4d7b2438d3 406 /* Generate KB */
switches 0:5c4d7b2438d3 407 for( i = 0; i < 4; ++i )
switches 0:5c4d7b2438d3 408 KC[12 + i] = KC[4 + i] ^ KC[8 + i];
switches 0:5c4d7b2438d3 409
switches 0:5c4d7b2438d3 410 camellia_feistel( KC + 12, SIGMA[4], KC + 14 );
switches 0:5c4d7b2438d3 411 camellia_feistel( KC + 14, SIGMA[5], KC + 12 );
switches 0:5c4d7b2438d3 412 }
switches 0:5c4d7b2438d3 413
switches 0:5c4d7b2438d3 414 /*
switches 0:5c4d7b2438d3 415 * Generating subkeys
switches 0:5c4d7b2438d3 416 */
switches 0:5c4d7b2438d3 417
switches 0:5c4d7b2438d3 418 /* Manipulating KL */
switches 0:5c4d7b2438d3 419 SHIFT_AND_PLACE( idx, 0 );
switches 0:5c4d7b2438d3 420
switches 0:5c4d7b2438d3 421 /* Manipulating KR */
switches 0:5c4d7b2438d3 422 if( keybits > 128 ) {
switches 0:5c4d7b2438d3 423 SHIFT_AND_PLACE( idx, 1 );
switches 0:5c4d7b2438d3 424 }
switches 0:5c4d7b2438d3 425
switches 0:5c4d7b2438d3 426 /* Manipulating KA */
switches 0:5c4d7b2438d3 427 SHIFT_AND_PLACE( idx, 2 );
switches 0:5c4d7b2438d3 428
switches 0:5c4d7b2438d3 429 /* Manipulating KB */
switches 0:5c4d7b2438d3 430 if( keybits > 128 ) {
switches 0:5c4d7b2438d3 431 SHIFT_AND_PLACE( idx, 3 );
switches 0:5c4d7b2438d3 432 }
switches 0:5c4d7b2438d3 433
switches 0:5c4d7b2438d3 434 /* Do transpositions */
switches 0:5c4d7b2438d3 435 for( i = 0; i < 20; i++ ) {
switches 0:5c4d7b2438d3 436 if( transposes[idx][i] != -1 ) {
switches 0:5c4d7b2438d3 437 RK[32 + 12 * idx + i] = RK[transposes[idx][i]];
switches 0:5c4d7b2438d3 438 }
switches 0:5c4d7b2438d3 439 }
switches 0:5c4d7b2438d3 440
switches 0:5c4d7b2438d3 441 return( 0 );
switches 0:5c4d7b2438d3 442 }
switches 0:5c4d7b2438d3 443
switches 0:5c4d7b2438d3 444 /*
switches 0:5c4d7b2438d3 445 * Camellia key schedule (decryption)
switches 0:5c4d7b2438d3 446 */
switches 0:5c4d7b2438d3 447 int mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx, const unsigned char *key,
switches 0:5c4d7b2438d3 448 unsigned int keybits )
switches 0:5c4d7b2438d3 449 {
switches 0:5c4d7b2438d3 450 int idx, ret;
switches 0:5c4d7b2438d3 451 size_t i;
switches 0:5c4d7b2438d3 452 mbedtls_camellia_context cty;
switches 0:5c4d7b2438d3 453 uint32_t *RK;
switches 0:5c4d7b2438d3 454 uint32_t *SK;
switches 0:5c4d7b2438d3 455
switches 0:5c4d7b2438d3 456 mbedtls_camellia_init( &cty );
switches 0:5c4d7b2438d3 457
switches 0:5c4d7b2438d3 458 /* Also checks keybits */
switches 0:5c4d7b2438d3 459 if( ( ret = mbedtls_camellia_setkey_enc( &cty, key, keybits ) ) != 0 )
switches 0:5c4d7b2438d3 460 goto exit;
switches 0:5c4d7b2438d3 461
switches 0:5c4d7b2438d3 462 ctx->nr = cty.nr;
switches 0:5c4d7b2438d3 463 idx = ( ctx->nr == 4 );
switches 0:5c4d7b2438d3 464
switches 0:5c4d7b2438d3 465 RK = ctx->rk;
switches 0:5c4d7b2438d3 466 SK = cty.rk + 24 * 2 + 8 * idx * 2;
switches 0:5c4d7b2438d3 467
switches 0:5c4d7b2438d3 468 *RK++ = *SK++;
switches 0:5c4d7b2438d3 469 *RK++ = *SK++;
switches 0:5c4d7b2438d3 470 *RK++ = *SK++;
switches 0:5c4d7b2438d3 471 *RK++ = *SK++;
switches 0:5c4d7b2438d3 472
switches 0:5c4d7b2438d3 473 for( i = 22 + 8 * idx, SK -= 6; i > 0; i--, SK -= 4 )
switches 0:5c4d7b2438d3 474 {
switches 0:5c4d7b2438d3 475 *RK++ = *SK++;
switches 0:5c4d7b2438d3 476 *RK++ = *SK++;
switches 0:5c4d7b2438d3 477 }
switches 0:5c4d7b2438d3 478
switches 0:5c4d7b2438d3 479 SK -= 2;
switches 0:5c4d7b2438d3 480
switches 0:5c4d7b2438d3 481 *RK++ = *SK++;
switches 0:5c4d7b2438d3 482 *RK++ = *SK++;
switches 0:5c4d7b2438d3 483 *RK++ = *SK++;
switches 0:5c4d7b2438d3 484 *RK++ = *SK++;
switches 0:5c4d7b2438d3 485
switches 0:5c4d7b2438d3 486 exit:
switches 0:5c4d7b2438d3 487 mbedtls_camellia_free( &cty );
switches 0:5c4d7b2438d3 488
switches 0:5c4d7b2438d3 489 return( ret );
switches 0:5c4d7b2438d3 490 }
switches 0:5c4d7b2438d3 491
switches 0:5c4d7b2438d3 492 /*
switches 0:5c4d7b2438d3 493 * Camellia-ECB block encryption/decryption
switches 0:5c4d7b2438d3 494 */
switches 0:5c4d7b2438d3 495 int mbedtls_camellia_crypt_ecb( mbedtls_camellia_context *ctx,
switches 0:5c4d7b2438d3 496 int mode,
switches 0:5c4d7b2438d3 497 const unsigned char input[16],
switches 0:5c4d7b2438d3 498 unsigned char output[16] )
switches 0:5c4d7b2438d3 499 {
switches 0:5c4d7b2438d3 500 int NR;
switches 0:5c4d7b2438d3 501 uint32_t *RK, X[4];
switches 0:5c4d7b2438d3 502
switches 0:5c4d7b2438d3 503 ( (void) mode );
switches 0:5c4d7b2438d3 504
switches 0:5c4d7b2438d3 505 NR = ctx->nr;
switches 0:5c4d7b2438d3 506 RK = ctx->rk;
switches 0:5c4d7b2438d3 507
switches 0:5c4d7b2438d3 508 GET_UINT32_BE( X[0], input, 0 );
switches 0:5c4d7b2438d3 509 GET_UINT32_BE( X[1], input, 4 );
switches 0:5c4d7b2438d3 510 GET_UINT32_BE( X[2], input, 8 );
switches 0:5c4d7b2438d3 511 GET_UINT32_BE( X[3], input, 12 );
switches 0:5c4d7b2438d3 512
switches 0:5c4d7b2438d3 513 X[0] ^= *RK++;
switches 0:5c4d7b2438d3 514 X[1] ^= *RK++;
switches 0:5c4d7b2438d3 515 X[2] ^= *RK++;
switches 0:5c4d7b2438d3 516 X[3] ^= *RK++;
switches 0:5c4d7b2438d3 517
switches 0:5c4d7b2438d3 518 while( NR ) {
switches 0:5c4d7b2438d3 519 --NR;
switches 0:5c4d7b2438d3 520 camellia_feistel( X, RK, X + 2 );
switches 0:5c4d7b2438d3 521 RK += 2;
switches 0:5c4d7b2438d3 522 camellia_feistel( X + 2, RK, X );
switches 0:5c4d7b2438d3 523 RK += 2;
switches 0:5c4d7b2438d3 524 camellia_feistel( X, RK, X + 2 );
switches 0:5c4d7b2438d3 525 RK += 2;
switches 0:5c4d7b2438d3 526 camellia_feistel( X + 2, RK, X );
switches 0:5c4d7b2438d3 527 RK += 2;
switches 0:5c4d7b2438d3 528 camellia_feistel( X, RK, X + 2 );
switches 0:5c4d7b2438d3 529 RK += 2;
switches 0:5c4d7b2438d3 530 camellia_feistel( X + 2, RK, X );
switches 0:5c4d7b2438d3 531 RK += 2;
switches 0:5c4d7b2438d3 532
switches 0:5c4d7b2438d3 533 if( NR ) {
switches 0:5c4d7b2438d3 534 FL(X[0], X[1], RK[0], RK[1]);
switches 0:5c4d7b2438d3 535 RK += 2;
switches 0:5c4d7b2438d3 536 FLInv(X[2], X[3], RK[0], RK[1]);
switches 0:5c4d7b2438d3 537 RK += 2;
switches 0:5c4d7b2438d3 538 }
switches 0:5c4d7b2438d3 539 }
switches 0:5c4d7b2438d3 540
switches 0:5c4d7b2438d3 541 X[2] ^= *RK++;
switches 0:5c4d7b2438d3 542 X[3] ^= *RK++;
switches 0:5c4d7b2438d3 543 X[0] ^= *RK++;
switches 0:5c4d7b2438d3 544 X[1] ^= *RK++;
switches 0:5c4d7b2438d3 545
switches 0:5c4d7b2438d3 546 PUT_UINT32_BE( X[2], output, 0 );
switches 0:5c4d7b2438d3 547 PUT_UINT32_BE( X[3], output, 4 );
switches 0:5c4d7b2438d3 548 PUT_UINT32_BE( X[0], output, 8 );
switches 0:5c4d7b2438d3 549 PUT_UINT32_BE( X[1], output, 12 );
switches 0:5c4d7b2438d3 550
switches 0:5c4d7b2438d3 551 return( 0 );
switches 0:5c4d7b2438d3 552 }
switches 0:5c4d7b2438d3 553
switches 0:5c4d7b2438d3 554 #if defined(MBEDTLS_CIPHER_MODE_CBC)
switches 0:5c4d7b2438d3 555 /*
switches 0:5c4d7b2438d3 556 * Camellia-CBC buffer encryption/decryption
switches 0:5c4d7b2438d3 557 */
switches 0:5c4d7b2438d3 558 int mbedtls_camellia_crypt_cbc( mbedtls_camellia_context *ctx,
switches 0:5c4d7b2438d3 559 int mode,
switches 0:5c4d7b2438d3 560 size_t length,
switches 0:5c4d7b2438d3 561 unsigned char iv[16],
switches 0:5c4d7b2438d3 562 const unsigned char *input,
switches 0:5c4d7b2438d3 563 unsigned char *output )
switches 0:5c4d7b2438d3 564 {
switches 0:5c4d7b2438d3 565 int i;
switches 0:5c4d7b2438d3 566 unsigned char temp[16];
switches 0:5c4d7b2438d3 567
switches 0:5c4d7b2438d3 568 if( length % 16 )
switches 0:5c4d7b2438d3 569 return( MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH );
switches 0:5c4d7b2438d3 570
switches 0:5c4d7b2438d3 571 if( mode == MBEDTLS_CAMELLIA_DECRYPT )
switches 0:5c4d7b2438d3 572 {
switches 0:5c4d7b2438d3 573 while( length > 0 )
switches 0:5c4d7b2438d3 574 {
switches 0:5c4d7b2438d3 575 memcpy( temp, input, 16 );
switches 0:5c4d7b2438d3 576 mbedtls_camellia_crypt_ecb( ctx, mode, input, output );
switches 0:5c4d7b2438d3 577
switches 0:5c4d7b2438d3 578 for( i = 0; i < 16; i++ )
switches 0:5c4d7b2438d3 579 output[i] = (unsigned char)( output[i] ^ iv[i] );
switches 0:5c4d7b2438d3 580
switches 0:5c4d7b2438d3 581 memcpy( iv, temp, 16 );
switches 0:5c4d7b2438d3 582
switches 0:5c4d7b2438d3 583 input += 16;
switches 0:5c4d7b2438d3 584 output += 16;
switches 0:5c4d7b2438d3 585 length -= 16;
switches 0:5c4d7b2438d3 586 }
switches 0:5c4d7b2438d3 587 }
switches 0:5c4d7b2438d3 588 else
switches 0:5c4d7b2438d3 589 {
switches 0:5c4d7b2438d3 590 while( length > 0 )
switches 0:5c4d7b2438d3 591 {
switches 0:5c4d7b2438d3 592 for( i = 0; i < 16; i++ )
switches 0:5c4d7b2438d3 593 output[i] = (unsigned char)( input[i] ^ iv[i] );
switches 0:5c4d7b2438d3 594
switches 0:5c4d7b2438d3 595 mbedtls_camellia_crypt_ecb( ctx, mode, output, output );
switches 0:5c4d7b2438d3 596 memcpy( iv, output, 16 );
switches 0:5c4d7b2438d3 597
switches 0:5c4d7b2438d3 598 input += 16;
switches 0:5c4d7b2438d3 599 output += 16;
switches 0:5c4d7b2438d3 600 length -= 16;
switches 0:5c4d7b2438d3 601 }
switches 0:5c4d7b2438d3 602 }
switches 0:5c4d7b2438d3 603
switches 0:5c4d7b2438d3 604 return( 0 );
switches 0:5c4d7b2438d3 605 }
switches 0:5c4d7b2438d3 606 #endif /* MBEDTLS_CIPHER_MODE_CBC */
switches 0:5c4d7b2438d3 607
switches 0:5c4d7b2438d3 608 #if defined(MBEDTLS_CIPHER_MODE_CFB)
switches 0:5c4d7b2438d3 609 /*
switches 0:5c4d7b2438d3 610 * Camellia-CFB128 buffer encryption/decryption
switches 0:5c4d7b2438d3 611 */
switches 0:5c4d7b2438d3 612 int mbedtls_camellia_crypt_cfb128( mbedtls_camellia_context *ctx,
switches 0:5c4d7b2438d3 613 int mode,
switches 0:5c4d7b2438d3 614 size_t length,
switches 0:5c4d7b2438d3 615 size_t *iv_off,
switches 0:5c4d7b2438d3 616 unsigned char iv[16],
switches 0:5c4d7b2438d3 617 const unsigned char *input,
switches 0:5c4d7b2438d3 618 unsigned char *output )
switches 0:5c4d7b2438d3 619 {
switches 0:5c4d7b2438d3 620 int c;
switches 0:5c4d7b2438d3 621 size_t n = *iv_off;
switches 0:5c4d7b2438d3 622
switches 0:5c4d7b2438d3 623 if( mode == MBEDTLS_CAMELLIA_DECRYPT )
switches 0:5c4d7b2438d3 624 {
switches 0:5c4d7b2438d3 625 while( length-- )
switches 0:5c4d7b2438d3 626 {
switches 0:5c4d7b2438d3 627 if( n == 0 )
switches 0:5c4d7b2438d3 628 mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, iv, iv );
switches 0:5c4d7b2438d3 629
switches 0:5c4d7b2438d3 630 c = *input++;
switches 0:5c4d7b2438d3 631 *output++ = (unsigned char)( c ^ iv[n] );
switches 0:5c4d7b2438d3 632 iv[n] = (unsigned char) c;
switches 0:5c4d7b2438d3 633
switches 0:5c4d7b2438d3 634 n = ( n + 1 ) & 0x0F;
switches 0:5c4d7b2438d3 635 }
switches 0:5c4d7b2438d3 636 }
switches 0:5c4d7b2438d3 637 else
switches 0:5c4d7b2438d3 638 {
switches 0:5c4d7b2438d3 639 while( length-- )
switches 0:5c4d7b2438d3 640 {
switches 0:5c4d7b2438d3 641 if( n == 0 )
switches 0:5c4d7b2438d3 642 mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, iv, iv );
switches 0:5c4d7b2438d3 643
switches 0:5c4d7b2438d3 644 iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
switches 0:5c4d7b2438d3 645
switches 0:5c4d7b2438d3 646 n = ( n + 1 ) & 0x0F;
switches 0:5c4d7b2438d3 647 }
switches 0:5c4d7b2438d3 648 }
switches 0:5c4d7b2438d3 649
switches 0:5c4d7b2438d3 650 *iv_off = n;
switches 0:5c4d7b2438d3 651
switches 0:5c4d7b2438d3 652 return( 0 );
switches 0:5c4d7b2438d3 653 }
switches 0:5c4d7b2438d3 654 #endif /* MBEDTLS_CIPHER_MODE_CFB */
switches 0:5c4d7b2438d3 655
switches 0:5c4d7b2438d3 656 #if defined(MBEDTLS_CIPHER_MODE_CTR)
switches 0:5c4d7b2438d3 657 /*
switches 0:5c4d7b2438d3 658 * Camellia-CTR buffer encryption/decryption
switches 0:5c4d7b2438d3 659 */
switches 0:5c4d7b2438d3 660 int mbedtls_camellia_crypt_ctr( mbedtls_camellia_context *ctx,
switches 0:5c4d7b2438d3 661 size_t length,
switches 0:5c4d7b2438d3 662 size_t *nc_off,
switches 0:5c4d7b2438d3 663 unsigned char nonce_counter[16],
switches 0:5c4d7b2438d3 664 unsigned char stream_block[16],
switches 0:5c4d7b2438d3 665 const unsigned char *input,
switches 0:5c4d7b2438d3 666 unsigned char *output )
switches 0:5c4d7b2438d3 667 {
switches 0:5c4d7b2438d3 668 int c, i;
switches 0:5c4d7b2438d3 669 size_t n = *nc_off;
switches 0:5c4d7b2438d3 670
switches 0:5c4d7b2438d3 671 while( length-- )
switches 0:5c4d7b2438d3 672 {
switches 0:5c4d7b2438d3 673 if( n == 0 ) {
switches 0:5c4d7b2438d3 674 mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, nonce_counter,
switches 0:5c4d7b2438d3 675 stream_block );
switches 0:5c4d7b2438d3 676
switches 0:5c4d7b2438d3 677 for( i = 16; i > 0; i-- )
switches 0:5c4d7b2438d3 678 if( ++nonce_counter[i - 1] != 0 )
switches 0:5c4d7b2438d3 679 break;
switches 0:5c4d7b2438d3 680 }
switches 0:5c4d7b2438d3 681 c = *input++;
switches 0:5c4d7b2438d3 682 *output++ = (unsigned char)( c ^ stream_block[n] );
switches 0:5c4d7b2438d3 683
switches 0:5c4d7b2438d3 684 n = ( n + 1 ) & 0x0F;
switches 0:5c4d7b2438d3 685 }
switches 0:5c4d7b2438d3 686
switches 0:5c4d7b2438d3 687 *nc_off = n;
switches 0:5c4d7b2438d3 688
switches 0:5c4d7b2438d3 689 return( 0 );
switches 0:5c4d7b2438d3 690 }
switches 0:5c4d7b2438d3 691 #endif /* MBEDTLS_CIPHER_MODE_CTR */
switches 0:5c4d7b2438d3 692 #endif /* !MBEDTLS_CAMELLIA_ALT */
switches 0:5c4d7b2438d3 693
switches 0:5c4d7b2438d3 694 #if defined(MBEDTLS_SELF_TEST)
switches 0:5c4d7b2438d3 695
switches 0:5c4d7b2438d3 696 /*
switches 0:5c4d7b2438d3 697 * Camellia test vectors from:
switches 0:5c4d7b2438d3 698 *
switches 0:5c4d7b2438d3 699 * http://info.isl.ntt.co.jp/crypt/eng/camellia/technology.html:
switches 0:5c4d7b2438d3 700 * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/intermediate.txt
switches 0:5c4d7b2438d3 701 * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/t_camellia.txt
switches 0:5c4d7b2438d3 702 * (For each bitlength: Key 0, Nr 39)
switches 0:5c4d7b2438d3 703 */
switches 0:5c4d7b2438d3 704 #define CAMELLIA_TESTS_ECB 2
switches 0:5c4d7b2438d3 705
switches 0:5c4d7b2438d3 706 static const unsigned char camellia_test_ecb_key[3][CAMELLIA_TESTS_ECB][32] =
switches 0:5c4d7b2438d3 707 {
switches 0:5c4d7b2438d3 708 {
switches 0:5c4d7b2438d3 709 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
switches 0:5c4d7b2438d3 710 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 },
switches 0:5c4d7b2438d3 711 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
switches 0:5c4d7b2438d3 712 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
switches 0:5c4d7b2438d3 713 },
switches 0:5c4d7b2438d3 714 {
switches 0:5c4d7b2438d3 715 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
switches 0:5c4d7b2438d3 716 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
switches 0:5c4d7b2438d3 717 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 },
switches 0:5c4d7b2438d3 718 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
switches 0:5c4d7b2438d3 719 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
switches 0:5c4d7b2438d3 720 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
switches 0:5c4d7b2438d3 721 },
switches 0:5c4d7b2438d3 722 {
switches 0:5c4d7b2438d3 723 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
switches 0:5c4d7b2438d3 724 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
switches 0:5c4d7b2438d3 725 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
switches 0:5c4d7b2438d3 726 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff },
switches 0:5c4d7b2438d3 727 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
switches 0:5c4d7b2438d3 728 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
switches 0:5c4d7b2438d3 729 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
switches 0:5c4d7b2438d3 730 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
switches 0:5c4d7b2438d3 731 },
switches 0:5c4d7b2438d3 732 };
switches 0:5c4d7b2438d3 733
switches 0:5c4d7b2438d3 734 static const unsigned char camellia_test_ecb_plain[CAMELLIA_TESTS_ECB][16] =
switches 0:5c4d7b2438d3 735 {
switches 0:5c4d7b2438d3 736 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
switches 0:5c4d7b2438d3 737 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 },
switches 0:5c4d7b2438d3 738 { 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
switches 0:5c4d7b2438d3 739 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
switches 0:5c4d7b2438d3 740 };
switches 0:5c4d7b2438d3 741
switches 0:5c4d7b2438d3 742 static const unsigned char camellia_test_ecb_cipher[3][CAMELLIA_TESTS_ECB][16] =
switches 0:5c4d7b2438d3 743 {
switches 0:5c4d7b2438d3 744 {
switches 0:5c4d7b2438d3 745 { 0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73,
switches 0:5c4d7b2438d3 746 0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43 },
switches 0:5c4d7b2438d3 747 { 0x38, 0x3C, 0x6C, 0x2A, 0xAB, 0xEF, 0x7F, 0xDE,
switches 0:5c4d7b2438d3 748 0x25, 0xCD, 0x47, 0x0B, 0xF7, 0x74, 0xA3, 0x31 }
switches 0:5c4d7b2438d3 749 },
switches 0:5c4d7b2438d3 750 {
switches 0:5c4d7b2438d3 751 { 0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9, 0x96, 0xf8,
switches 0:5c4d7b2438d3 752 0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9 },
switches 0:5c4d7b2438d3 753 { 0xD1, 0x76, 0x3F, 0xC0, 0x19, 0xD7, 0x7C, 0xC9,
switches 0:5c4d7b2438d3 754 0x30, 0xBF, 0xF2, 0xA5, 0x6F, 0x7C, 0x93, 0x64 }
switches 0:5c4d7b2438d3 755 },
switches 0:5c4d7b2438d3 756 {
switches 0:5c4d7b2438d3 757 { 0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c,
switches 0:5c4d7b2438d3 758 0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09 },
switches 0:5c4d7b2438d3 759 { 0x05, 0x03, 0xFB, 0x10, 0xAB, 0x24, 0x1E, 0x7C,
switches 0:5c4d7b2438d3 760 0xF4, 0x5D, 0x8C, 0xDE, 0xEE, 0x47, 0x43, 0x35 }
switches 0:5c4d7b2438d3 761 }
switches 0:5c4d7b2438d3 762 };
switches 0:5c4d7b2438d3 763
switches 0:5c4d7b2438d3 764 #if defined(MBEDTLS_CIPHER_MODE_CBC)
switches 0:5c4d7b2438d3 765 #define CAMELLIA_TESTS_CBC 3
switches 0:5c4d7b2438d3 766
switches 0:5c4d7b2438d3 767 static const unsigned char camellia_test_cbc_key[3][32] =
switches 0:5c4d7b2438d3 768 {
switches 0:5c4d7b2438d3 769 { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
switches 0:5c4d7b2438d3 770 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
switches 0:5c4d7b2438d3 771 ,
switches 0:5c4d7b2438d3 772 { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
switches 0:5c4d7b2438d3 773 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
switches 0:5c4d7b2438d3 774 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B }
switches 0:5c4d7b2438d3 775 ,
switches 0:5c4d7b2438d3 776 { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
switches 0:5c4d7b2438d3 777 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
switches 0:5c4d7b2438d3 778 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
switches 0:5c4d7b2438d3 779 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
switches 0:5c4d7b2438d3 780 };
switches 0:5c4d7b2438d3 781
switches 0:5c4d7b2438d3 782 static const unsigned char camellia_test_cbc_iv[16] =
switches 0:5c4d7b2438d3 783
switches 0:5c4d7b2438d3 784 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
switches 0:5c4d7b2438d3 785 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }
switches 0:5c4d7b2438d3 786 ;
switches 0:5c4d7b2438d3 787
switches 0:5c4d7b2438d3 788 static const unsigned char camellia_test_cbc_plain[CAMELLIA_TESTS_CBC][16] =
switches 0:5c4d7b2438d3 789 {
switches 0:5c4d7b2438d3 790 { 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
switches 0:5c4d7b2438d3 791 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A },
switches 0:5c4d7b2438d3 792 { 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
switches 0:5c4d7b2438d3 793 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51 },
switches 0:5c4d7b2438d3 794 { 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
switches 0:5c4d7b2438d3 795 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF }
switches 0:5c4d7b2438d3 796
switches 0:5c4d7b2438d3 797 };
switches 0:5c4d7b2438d3 798
switches 0:5c4d7b2438d3 799 static const unsigned char camellia_test_cbc_cipher[3][CAMELLIA_TESTS_CBC][16] =
switches 0:5c4d7b2438d3 800 {
switches 0:5c4d7b2438d3 801 {
switches 0:5c4d7b2438d3 802 { 0x16, 0x07, 0xCF, 0x49, 0x4B, 0x36, 0xBB, 0xF0,
switches 0:5c4d7b2438d3 803 0x0D, 0xAE, 0xB0, 0xB5, 0x03, 0xC8, 0x31, 0xAB },
switches 0:5c4d7b2438d3 804 { 0xA2, 0xF2, 0xCF, 0x67, 0x16, 0x29, 0xEF, 0x78,
switches 0:5c4d7b2438d3 805 0x40, 0xC5, 0xA5, 0xDF, 0xB5, 0x07, 0x48, 0x87 },
switches 0:5c4d7b2438d3 806 { 0x0F, 0x06, 0x16, 0x50, 0x08, 0xCF, 0x8B, 0x8B,
switches 0:5c4d7b2438d3 807 0x5A, 0x63, 0x58, 0x63, 0x62, 0x54, 0x3E, 0x54 }
switches 0:5c4d7b2438d3 808 },
switches 0:5c4d7b2438d3 809 {
switches 0:5c4d7b2438d3 810 { 0x2A, 0x48, 0x30, 0xAB, 0x5A, 0xC4, 0xA1, 0xA2,
switches 0:5c4d7b2438d3 811 0x40, 0x59, 0x55, 0xFD, 0x21, 0x95, 0xCF, 0x93 },
switches 0:5c4d7b2438d3 812 { 0x5D, 0x5A, 0x86, 0x9B, 0xD1, 0x4C, 0xE5, 0x42,
switches 0:5c4d7b2438d3 813 0x64, 0xF8, 0x92, 0xA6, 0xDD, 0x2E, 0xC3, 0xD5 },
switches 0:5c4d7b2438d3 814 { 0x37, 0xD3, 0x59, 0xC3, 0x34, 0x98, 0x36, 0xD8,
switches 0:5c4d7b2438d3 815 0x84, 0xE3, 0x10, 0xAD, 0xDF, 0x68, 0xC4, 0x49 }
switches 0:5c4d7b2438d3 816 },
switches 0:5c4d7b2438d3 817 {
switches 0:5c4d7b2438d3 818 { 0xE6, 0xCF, 0xA3, 0x5F, 0xC0, 0x2B, 0x13, 0x4A,
switches 0:5c4d7b2438d3 819 0x4D, 0x2C, 0x0B, 0x67, 0x37, 0xAC, 0x3E, 0xDA },
switches 0:5c4d7b2438d3 820 { 0x36, 0xCB, 0xEB, 0x73, 0xBD, 0x50, 0x4B, 0x40,
switches 0:5c4d7b2438d3 821 0x70, 0xB1, 0xB7, 0xDE, 0x2B, 0x21, 0xEB, 0x50 },
switches 0:5c4d7b2438d3 822 { 0xE3, 0x1A, 0x60, 0x55, 0x29, 0x7D, 0x96, 0xCA,
switches 0:5c4d7b2438d3 823 0x33, 0x30, 0xCD, 0xF1, 0xB1, 0x86, 0x0A, 0x83 }
switches 0:5c4d7b2438d3 824 }
switches 0:5c4d7b2438d3 825 };
switches 0:5c4d7b2438d3 826 #endif /* MBEDTLS_CIPHER_MODE_CBC */
switches 0:5c4d7b2438d3 827
switches 0:5c4d7b2438d3 828 #if defined(MBEDTLS_CIPHER_MODE_CTR)
switches 0:5c4d7b2438d3 829 /*
switches 0:5c4d7b2438d3 830 * Camellia-CTR test vectors from:
switches 0:5c4d7b2438d3 831 *
switches 0:5c4d7b2438d3 832 * http://www.faqs.org/rfcs/rfc5528.html
switches 0:5c4d7b2438d3 833 */
switches 0:5c4d7b2438d3 834
switches 0:5c4d7b2438d3 835 static const unsigned char camellia_test_ctr_key[3][16] =
switches 0:5c4d7b2438d3 836 {
switches 0:5c4d7b2438d3 837 { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
switches 0:5c4d7b2438d3 838 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
switches 0:5c4d7b2438d3 839 { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
switches 0:5c4d7b2438d3 840 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
switches 0:5c4d7b2438d3 841 { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
switches 0:5c4d7b2438d3 842 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
switches 0:5c4d7b2438d3 843 };
switches 0:5c4d7b2438d3 844
switches 0:5c4d7b2438d3 845 static const unsigned char camellia_test_ctr_nonce_counter[3][16] =
switches 0:5c4d7b2438d3 846 {
switches 0:5c4d7b2438d3 847 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
switches 0:5c4d7b2438d3 848 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
switches 0:5c4d7b2438d3 849 { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
switches 0:5c4d7b2438d3 850 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
switches 0:5c4d7b2438d3 851 { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
switches 0:5c4d7b2438d3 852 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
switches 0:5c4d7b2438d3 853 };
switches 0:5c4d7b2438d3 854
switches 0:5c4d7b2438d3 855 static const unsigned char camellia_test_ctr_pt[3][48] =
switches 0:5c4d7b2438d3 856 {
switches 0:5c4d7b2438d3 857 { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
switches 0:5c4d7b2438d3 858 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
switches 0:5c4d7b2438d3 859
switches 0:5c4d7b2438d3 860 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
switches 0:5c4d7b2438d3 861 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
switches 0:5c4d7b2438d3 862 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
switches 0:5c4d7b2438d3 863 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
switches 0:5c4d7b2438d3 864
switches 0:5c4d7b2438d3 865 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
switches 0:5c4d7b2438d3 866 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
switches 0:5c4d7b2438d3 867 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
switches 0:5c4d7b2438d3 868 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
switches 0:5c4d7b2438d3 869 0x20, 0x21, 0x22, 0x23 }
switches 0:5c4d7b2438d3 870 };
switches 0:5c4d7b2438d3 871
switches 0:5c4d7b2438d3 872 static const unsigned char camellia_test_ctr_ct[3][48] =
switches 0:5c4d7b2438d3 873 {
switches 0:5c4d7b2438d3 874 { 0xD0, 0x9D, 0xC2, 0x9A, 0x82, 0x14, 0x61, 0x9A,
switches 0:5c4d7b2438d3 875 0x20, 0x87, 0x7C, 0x76, 0xDB, 0x1F, 0x0B, 0x3F },
switches 0:5c4d7b2438d3 876 { 0xDB, 0xF3, 0xC7, 0x8D, 0xC0, 0x83, 0x96, 0xD4,
switches 0:5c4d7b2438d3 877 0xDA, 0x7C, 0x90, 0x77, 0x65, 0xBB, 0xCB, 0x44,
switches 0:5c4d7b2438d3 878 0x2B, 0x8E, 0x8E, 0x0F, 0x31, 0xF0, 0xDC, 0xA7,
switches 0:5c4d7b2438d3 879 0x2C, 0x74, 0x17, 0xE3, 0x53, 0x60, 0xE0, 0x48 },
switches 0:5c4d7b2438d3 880 { 0xB1, 0x9D, 0x1F, 0xCD, 0xCB, 0x75, 0xEB, 0x88,
switches 0:5c4d7b2438d3 881 0x2F, 0x84, 0x9C, 0xE2, 0x4D, 0x85, 0xCF, 0x73,
switches 0:5c4d7b2438d3 882 0x9C, 0xE6, 0x4B, 0x2B, 0x5C, 0x9D, 0x73, 0xF1,
switches 0:5c4d7b2438d3 883 0x4F, 0x2D, 0x5D, 0x9D, 0xCE, 0x98, 0x89, 0xCD,
switches 0:5c4d7b2438d3 884 0xDF, 0x50, 0x86, 0x96 }
switches 0:5c4d7b2438d3 885 };
switches 0:5c4d7b2438d3 886
switches 0:5c4d7b2438d3 887 static const int camellia_test_ctr_len[3] =
switches 0:5c4d7b2438d3 888 { 16, 32, 36 };
switches 0:5c4d7b2438d3 889 #endif /* MBEDTLS_CIPHER_MODE_CTR */
switches 0:5c4d7b2438d3 890
switches 0:5c4d7b2438d3 891 /*
switches 0:5c4d7b2438d3 892 * Checkup routine
switches 0:5c4d7b2438d3 893 */
switches 0:5c4d7b2438d3 894 int mbedtls_camellia_self_test( int verbose )
switches 0:5c4d7b2438d3 895 {
switches 0:5c4d7b2438d3 896 int i, j, u, v;
switches 0:5c4d7b2438d3 897 unsigned char key[32];
switches 0:5c4d7b2438d3 898 unsigned char buf[64];
switches 0:5c4d7b2438d3 899 unsigned char src[16];
switches 0:5c4d7b2438d3 900 unsigned char dst[16];
switches 0:5c4d7b2438d3 901 #if defined(MBEDTLS_CIPHER_MODE_CBC)
switches 0:5c4d7b2438d3 902 unsigned char iv[16];
switches 0:5c4d7b2438d3 903 #endif
switches 0:5c4d7b2438d3 904 #if defined(MBEDTLS_CIPHER_MODE_CTR)
switches 0:5c4d7b2438d3 905 size_t offset, len;
switches 0:5c4d7b2438d3 906 unsigned char nonce_counter[16];
switches 0:5c4d7b2438d3 907 unsigned char stream_block[16];
switches 0:5c4d7b2438d3 908 #endif
switches 0:5c4d7b2438d3 909
switches 0:5c4d7b2438d3 910 mbedtls_camellia_context ctx;
switches 0:5c4d7b2438d3 911
switches 0:5c4d7b2438d3 912 memset( key, 0, 32 );
switches 0:5c4d7b2438d3 913
switches 0:5c4d7b2438d3 914 for( j = 0; j < 6; j++ ) {
switches 0:5c4d7b2438d3 915 u = j >> 1;
switches 0:5c4d7b2438d3 916 v = j & 1;
switches 0:5c4d7b2438d3 917
switches 0:5c4d7b2438d3 918 if( verbose != 0 )
switches 0:5c4d7b2438d3 919 mbedtls_printf( " CAMELLIA-ECB-%3d (%s): ", 128 + u * 64,
switches 0:5c4d7b2438d3 920 (v == MBEDTLS_CAMELLIA_DECRYPT) ? "dec" : "enc");
switches 0:5c4d7b2438d3 921
switches 0:5c4d7b2438d3 922 for( i = 0; i < CAMELLIA_TESTS_ECB; i++ ) {
switches 0:5c4d7b2438d3 923 memcpy( key, camellia_test_ecb_key[u][i], 16 + 8 * u );
switches 0:5c4d7b2438d3 924
switches 0:5c4d7b2438d3 925 if( v == MBEDTLS_CAMELLIA_DECRYPT ) {
switches 0:5c4d7b2438d3 926 mbedtls_camellia_setkey_dec( &ctx, key, 128 + u * 64 );
switches 0:5c4d7b2438d3 927 memcpy( src, camellia_test_ecb_cipher[u][i], 16 );
switches 0:5c4d7b2438d3 928 memcpy( dst, camellia_test_ecb_plain[i], 16 );
switches 0:5c4d7b2438d3 929 } else { /* MBEDTLS_CAMELLIA_ENCRYPT */
switches 0:5c4d7b2438d3 930 mbedtls_camellia_setkey_enc( &ctx, key, 128 + u * 64 );
switches 0:5c4d7b2438d3 931 memcpy( src, camellia_test_ecb_plain[i], 16 );
switches 0:5c4d7b2438d3 932 memcpy( dst, camellia_test_ecb_cipher[u][i], 16 );
switches 0:5c4d7b2438d3 933 }
switches 0:5c4d7b2438d3 934
switches 0:5c4d7b2438d3 935 mbedtls_camellia_crypt_ecb( &ctx, v, src, buf );
switches 0:5c4d7b2438d3 936
switches 0:5c4d7b2438d3 937 if( memcmp( buf, dst, 16 ) != 0 )
switches 0:5c4d7b2438d3 938 {
switches 0:5c4d7b2438d3 939 if( verbose != 0 )
switches 0:5c4d7b2438d3 940 mbedtls_printf( "failed\n" );
switches 0:5c4d7b2438d3 941
switches 0:5c4d7b2438d3 942 return( 1 );
switches 0:5c4d7b2438d3 943 }
switches 0:5c4d7b2438d3 944 }
switches 0:5c4d7b2438d3 945
switches 0:5c4d7b2438d3 946 if( verbose != 0 )
switches 0:5c4d7b2438d3 947 mbedtls_printf( "passed\n" );
switches 0:5c4d7b2438d3 948 }
switches 0:5c4d7b2438d3 949
switches 0:5c4d7b2438d3 950 if( verbose != 0 )
switches 0:5c4d7b2438d3 951 mbedtls_printf( "\n" );
switches 0:5c4d7b2438d3 952
switches 0:5c4d7b2438d3 953 #if defined(MBEDTLS_CIPHER_MODE_CBC)
switches 0:5c4d7b2438d3 954 /*
switches 0:5c4d7b2438d3 955 * CBC mode
switches 0:5c4d7b2438d3 956 */
switches 0:5c4d7b2438d3 957 for( j = 0; j < 6; j++ )
switches 0:5c4d7b2438d3 958 {
switches 0:5c4d7b2438d3 959 u = j >> 1;
switches 0:5c4d7b2438d3 960 v = j & 1;
switches 0:5c4d7b2438d3 961
switches 0:5c4d7b2438d3 962 if( verbose != 0 )
switches 0:5c4d7b2438d3 963 mbedtls_printf( " CAMELLIA-CBC-%3d (%s): ", 128 + u * 64,
switches 0:5c4d7b2438d3 964 ( v == MBEDTLS_CAMELLIA_DECRYPT ) ? "dec" : "enc" );
switches 0:5c4d7b2438d3 965
switches 0:5c4d7b2438d3 966 memcpy( src, camellia_test_cbc_iv, 16 );
switches 0:5c4d7b2438d3 967 memcpy( dst, camellia_test_cbc_iv, 16 );
switches 0:5c4d7b2438d3 968 memcpy( key, camellia_test_cbc_key[u], 16 + 8 * u );
switches 0:5c4d7b2438d3 969
switches 0:5c4d7b2438d3 970 if( v == MBEDTLS_CAMELLIA_DECRYPT ) {
switches 0:5c4d7b2438d3 971 mbedtls_camellia_setkey_dec( &ctx, key, 128 + u * 64 );
switches 0:5c4d7b2438d3 972 } else {
switches 0:5c4d7b2438d3 973 mbedtls_camellia_setkey_enc( &ctx, key, 128 + u * 64 );
switches 0:5c4d7b2438d3 974 }
switches 0:5c4d7b2438d3 975
switches 0:5c4d7b2438d3 976 for( i = 0; i < CAMELLIA_TESTS_CBC; i++ ) {
switches 0:5c4d7b2438d3 977
switches 0:5c4d7b2438d3 978 if( v == MBEDTLS_CAMELLIA_DECRYPT ) {
switches 0:5c4d7b2438d3 979 memcpy( iv , src, 16 );
switches 0:5c4d7b2438d3 980 memcpy( src, camellia_test_cbc_cipher[u][i], 16 );
switches 0:5c4d7b2438d3 981 memcpy( dst, camellia_test_cbc_plain[i], 16 );
switches 0:5c4d7b2438d3 982 } else { /* MBEDTLS_CAMELLIA_ENCRYPT */
switches 0:5c4d7b2438d3 983 memcpy( iv , dst, 16 );
switches 0:5c4d7b2438d3 984 memcpy( src, camellia_test_cbc_plain[i], 16 );
switches 0:5c4d7b2438d3 985 memcpy( dst, camellia_test_cbc_cipher[u][i], 16 );
switches 0:5c4d7b2438d3 986 }
switches 0:5c4d7b2438d3 987
switches 0:5c4d7b2438d3 988 mbedtls_camellia_crypt_cbc( &ctx, v, 16, iv, src, buf );
switches 0:5c4d7b2438d3 989
switches 0:5c4d7b2438d3 990 if( memcmp( buf, dst, 16 ) != 0 )
switches 0:5c4d7b2438d3 991 {
switches 0:5c4d7b2438d3 992 if( verbose != 0 )
switches 0:5c4d7b2438d3 993 mbedtls_printf( "failed\n" );
switches 0:5c4d7b2438d3 994
switches 0:5c4d7b2438d3 995 return( 1 );
switches 0:5c4d7b2438d3 996 }
switches 0:5c4d7b2438d3 997 }
switches 0:5c4d7b2438d3 998
switches 0:5c4d7b2438d3 999 if( verbose != 0 )
switches 0:5c4d7b2438d3 1000 mbedtls_printf( "passed\n" );
switches 0:5c4d7b2438d3 1001 }
switches 0:5c4d7b2438d3 1002 #endif /* MBEDTLS_CIPHER_MODE_CBC */
switches 0:5c4d7b2438d3 1003
switches 0:5c4d7b2438d3 1004 if( verbose != 0 )
switches 0:5c4d7b2438d3 1005 mbedtls_printf( "\n" );
switches 0:5c4d7b2438d3 1006
switches 0:5c4d7b2438d3 1007 #if defined(MBEDTLS_CIPHER_MODE_CTR)
switches 0:5c4d7b2438d3 1008 /*
switches 0:5c4d7b2438d3 1009 * CTR mode
switches 0:5c4d7b2438d3 1010 */
switches 0:5c4d7b2438d3 1011 for( i = 0; i < 6; i++ )
switches 0:5c4d7b2438d3 1012 {
switches 0:5c4d7b2438d3 1013 u = i >> 1;
switches 0:5c4d7b2438d3 1014 v = i & 1;
switches 0:5c4d7b2438d3 1015
switches 0:5c4d7b2438d3 1016 if( verbose != 0 )
switches 0:5c4d7b2438d3 1017 mbedtls_printf( " CAMELLIA-CTR-128 (%s): ",
switches 0:5c4d7b2438d3 1018 ( v == MBEDTLS_CAMELLIA_DECRYPT ) ? "dec" : "enc" );
switches 0:5c4d7b2438d3 1019
switches 0:5c4d7b2438d3 1020 memcpy( nonce_counter, camellia_test_ctr_nonce_counter[u], 16 );
switches 0:5c4d7b2438d3 1021 memcpy( key, camellia_test_ctr_key[u], 16 );
switches 0:5c4d7b2438d3 1022
switches 0:5c4d7b2438d3 1023 offset = 0;
switches 0:5c4d7b2438d3 1024 mbedtls_camellia_setkey_enc( &ctx, key, 128 );
switches 0:5c4d7b2438d3 1025
switches 0:5c4d7b2438d3 1026 if( v == MBEDTLS_CAMELLIA_DECRYPT )
switches 0:5c4d7b2438d3 1027 {
switches 0:5c4d7b2438d3 1028 len = camellia_test_ctr_len[u];
switches 0:5c4d7b2438d3 1029 memcpy( buf, camellia_test_ctr_ct[u], len );
switches 0:5c4d7b2438d3 1030
switches 0:5c4d7b2438d3 1031 mbedtls_camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
switches 0:5c4d7b2438d3 1032 buf, buf );
switches 0:5c4d7b2438d3 1033
switches 0:5c4d7b2438d3 1034 if( memcmp( buf, camellia_test_ctr_pt[u], len ) != 0 )
switches 0:5c4d7b2438d3 1035 {
switches 0:5c4d7b2438d3 1036 if( verbose != 0 )
switches 0:5c4d7b2438d3 1037 mbedtls_printf( "failed\n" );
switches 0:5c4d7b2438d3 1038
switches 0:5c4d7b2438d3 1039 return( 1 );
switches 0:5c4d7b2438d3 1040 }
switches 0:5c4d7b2438d3 1041 }
switches 0:5c4d7b2438d3 1042 else
switches 0:5c4d7b2438d3 1043 {
switches 0:5c4d7b2438d3 1044 len = camellia_test_ctr_len[u];
switches 0:5c4d7b2438d3 1045 memcpy( buf, camellia_test_ctr_pt[u], len );
switches 0:5c4d7b2438d3 1046
switches 0:5c4d7b2438d3 1047 mbedtls_camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
switches 0:5c4d7b2438d3 1048 buf, buf );
switches 0:5c4d7b2438d3 1049
switches 0:5c4d7b2438d3 1050 if( memcmp( buf, camellia_test_ctr_ct[u], len ) != 0 )
switches 0:5c4d7b2438d3 1051 {
switches 0:5c4d7b2438d3 1052 if( verbose != 0 )
switches 0:5c4d7b2438d3 1053 mbedtls_printf( "failed\n" );
switches 0:5c4d7b2438d3 1054
switches 0:5c4d7b2438d3 1055 return( 1 );
switches 0:5c4d7b2438d3 1056 }
switches 0:5c4d7b2438d3 1057 }
switches 0:5c4d7b2438d3 1058
switches 0:5c4d7b2438d3 1059 if( verbose != 0 )
switches 0:5c4d7b2438d3 1060 mbedtls_printf( "passed\n" );
switches 0:5c4d7b2438d3 1061 }
switches 0:5c4d7b2438d3 1062
switches 0:5c4d7b2438d3 1063 if( verbose != 0 )
switches 0:5c4d7b2438d3 1064 mbedtls_printf( "\n" );
switches 0:5c4d7b2438d3 1065 #endif /* MBEDTLS_CIPHER_MODE_CTR */
switches 0:5c4d7b2438d3 1066
switches 0:5c4d7b2438d3 1067 return( 0 );
switches 0:5c4d7b2438d3 1068 }
switches 0:5c4d7b2438d3 1069
switches 0:5c4d7b2438d3 1070 #endif /* MBEDTLS_SELF_TEST */
switches 0:5c4d7b2438d3 1071
switches 0:5c4d7b2438d3 1072 #endif /* MBEDTLS_CAMELLIA_C */