Mark Radbourne / mbedtls

mbed TLS Build

Dependents:   Encrypt_Decrypt1 mbed_blink_tls encrypt encrypt

library/camellia.c@0:cdf462088d13, 2017-01-05 (annotated)

Committer:
markrad
Date:
Thu Jan 05 00:18:44 2017 +0000
Revision:
0:cdf462088d13
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markrad 0:cdf462088d13 1 /*
markrad 0:cdf462088d13 2 * Camellia implementation
markrad 0:cdf462088d13 3 *
markrad 0:cdf462088d13 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
markrad 0:cdf462088d13 5 * SPDX-License-Identifier: Apache-2.0
markrad 0:cdf462088d13 6 *
markrad 0:cdf462088d13 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
markrad 0:cdf462088d13 8 * not use this file except in compliance with the License.
markrad 0:cdf462088d13 9 * You may obtain a copy of the License at
markrad 0:cdf462088d13 10 *
markrad 0:cdf462088d13 11 * http://www.apache.org/licenses/LICENSE-2.0
markrad 0:cdf462088d13 12 *
markrad 0:cdf462088d13 13 * Unless required by applicable law or agreed to in writing, software
markrad 0:cdf462088d13 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
markrad 0:cdf462088d13 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
markrad 0:cdf462088d13 16 * See the License for the specific language governing permissions and
markrad 0:cdf462088d13 17 * limitations under the License.
markrad 0:cdf462088d13 18 *
markrad 0:cdf462088d13 19 * This file is part of mbed TLS (https://tls.mbed.org)
markrad 0:cdf462088d13 20 */
markrad 0:cdf462088d13 21 /*
markrad 0:cdf462088d13 22 * The Camellia block cipher was designed by NTT and Mitsubishi Electric
markrad 0:cdf462088d13 23 * Corporation.
markrad 0:cdf462088d13 24 *
markrad 0:cdf462088d13 25 * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/01espec.pdf
markrad 0:cdf462088d13 26 */
markrad 0:cdf462088d13 27
markrad 0:cdf462088d13 28 #if !defined(MBEDTLS_CONFIG_FILE)
markrad 0:cdf462088d13 29 #include "mbedtls/config.h"
markrad 0:cdf462088d13 30 #else
markrad 0:cdf462088d13 31 #include MBEDTLS_CONFIG_FILE
markrad 0:cdf462088d13 32 #endif
markrad 0:cdf462088d13 33
markrad 0:cdf462088d13 34 #if defined(MBEDTLS_CAMELLIA_C)
markrad 0:cdf462088d13 35
markrad 0:cdf462088d13 36 #include "mbedtls/camellia.h"
markrad 0:cdf462088d13 37
markrad 0:cdf462088d13 38 #include <string.h>
markrad 0:cdf462088d13 39
markrad 0:cdf462088d13 40 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 41 #if defined(MBEDTLS_PLATFORM_C)
markrad 0:cdf462088d13 42 #include "mbedtls/platform.h"
markrad 0:cdf462088d13 43 #else
markrad 0:cdf462088d13 44 #include <stdio.h>
markrad 0:cdf462088d13 45 #define mbedtls_printf printf
markrad 0:cdf462088d13 46 #endif /* MBEDTLS_PLATFORM_C */
markrad 0:cdf462088d13 47 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 48
markrad 0:cdf462088d13 49 #if !defined(MBEDTLS_CAMELLIA_ALT)
markrad 0:cdf462088d13 50
markrad 0:cdf462088d13 51 /* Implementation that should never be optimized out by the compiler */
markrad 0:cdf462088d13 52 static void mbedtls_zeroize( void *v, size_t n ) {
markrad 0:cdf462088d13 53 volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
markrad 0:cdf462088d13 54 }
markrad 0:cdf462088d13 55
markrad 0:cdf462088d13 56 /*
markrad 0:cdf462088d13 57 * 32-bit integer manipulation macros (big endian)
markrad 0:cdf462088d13 58 */
markrad 0:cdf462088d13 59 #ifndef GET_UINT32_BE
markrad 0:cdf462088d13 60 #define GET_UINT32_BE(n,b,i) \
markrad 0:cdf462088d13 61 { \
markrad 0:cdf462088d13 62 (n) = ( (uint32_t) (b)[(i) ] << 24 ) \
markrad 0:cdf462088d13 63 | ( (uint32_t) (b)[(i) + 1] << 16 ) \
markrad 0:cdf462088d13 64 | ( (uint32_t) (b)[(i) + 2] << 8 ) \
markrad 0:cdf462088d13 65 | ( (uint32_t) (b)[(i) + 3] ); \
markrad 0:cdf462088d13 66 }
markrad 0:cdf462088d13 67 #endif
markrad 0:cdf462088d13 68
markrad 0:cdf462088d13 69 #ifndef PUT_UINT32_BE
markrad 0:cdf462088d13 70 #define PUT_UINT32_BE(n,b,i) \
markrad 0:cdf462088d13 71 { \
markrad 0:cdf462088d13 72 (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \
markrad 0:cdf462088d13 73 (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \
markrad 0:cdf462088d13 74 (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \
markrad 0:cdf462088d13 75 (b)[(i) + 3] = (unsigned char) ( (n) ); \
markrad 0:cdf462088d13 76 }
markrad 0:cdf462088d13 77 #endif
markrad 0:cdf462088d13 78
markrad 0:cdf462088d13 79 static const unsigned char SIGMA_CHARS[6][8] =
markrad 0:cdf462088d13 80 {
markrad 0:cdf462088d13 81 { 0xa0, 0x9e, 0x66, 0x7f, 0x3b, 0xcc, 0x90, 0x8b },
markrad 0:cdf462088d13 82 { 0xb6, 0x7a, 0xe8, 0x58, 0x4c, 0xaa, 0x73, 0xb2 },
markrad 0:cdf462088d13 83 { 0xc6, 0xef, 0x37, 0x2f, 0xe9, 0x4f, 0x82, 0xbe },
markrad 0:cdf462088d13 84 { 0x54, 0xff, 0x53, 0xa5, 0xf1, 0xd3, 0x6f, 0x1c },
markrad 0:cdf462088d13 85 { 0x10, 0xe5, 0x27, 0xfa, 0xde, 0x68, 0x2d, 0x1d },
markrad 0:cdf462088d13 86 { 0xb0, 0x56, 0x88, 0xc2, 0xb3, 0xe6, 0xc1, 0xfd }
markrad 0:cdf462088d13 87 };
markrad 0:cdf462088d13 88
markrad 0:cdf462088d13 89 #if defined(MBEDTLS_CAMELLIA_SMALL_MEMORY)
markrad 0:cdf462088d13 90
markrad 0:cdf462088d13 91 static const unsigned char FSb[256] =
markrad 0:cdf462088d13 92 {
markrad 0:cdf462088d13 93 112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65,
markrad 0:cdf462088d13 94 35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189,
markrad 0:cdf462088d13 95 134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26,
markrad 0:cdf462088d13 96 166,225, 57,202,213, 71, 93, 61,217, 1, 90,214, 81, 86,108, 77,
markrad 0:cdf462088d13 97 139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153,
markrad 0:cdf462088d13 98 223, 76,203,194, 52,126,118, 5,109,183,169, 49,209, 23, 4,215,
markrad 0:cdf462088d13 99 20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34,
markrad 0:cdf462088d13 100 254, 68,207,178,195,181,122,145, 36, 8,232,168, 96,252,105, 80,
markrad 0:cdf462088d13 101 170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210,
markrad 0:cdf462088d13 102 16,196, 0, 72,163,247,117,219,138, 3,230,218, 9, 63,221,148,
markrad 0:cdf462088d13 103 135, 92,131, 2,205, 74,144, 51,115,103,246,243,157,127,191,226,
markrad 0:cdf462088d13 104 82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46,
markrad 0:cdf462088d13 105 233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89,
markrad 0:cdf462088d13 106 120,152, 6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250,
markrad 0:cdf462088d13 107 114, 7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164,
markrad 0:cdf462088d13 108 64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158
markrad 0:cdf462088d13 109 };
markrad 0:cdf462088d13 110
markrad 0:cdf462088d13 111 #define SBOX1(n) FSb[(n)]
markrad 0:cdf462088d13 112 #define SBOX2(n) (unsigned char)((FSb[(n)] >> 7 ^ FSb[(n)] << 1) & 0xff)
markrad 0:cdf462088d13 113 #define SBOX3(n) (unsigned char)((FSb[(n)] >> 1 ^ FSb[(n)] << 7) & 0xff)
markrad 0:cdf462088d13 114 #define SBOX4(n) FSb[((n) << 1 ^ (n) >> 7) &0xff]
markrad 0:cdf462088d13 115
markrad 0:cdf462088d13 116 #else /* MBEDTLS_CAMELLIA_SMALL_MEMORY */
markrad 0:cdf462088d13 117
markrad 0:cdf462088d13 118 static const unsigned char FSb[256] =
markrad 0:cdf462088d13 119 {
markrad 0:cdf462088d13 120 112, 130, 44, 236, 179, 39, 192, 229, 228, 133, 87, 53, 234, 12, 174, 65,
markrad 0:cdf462088d13 121 35, 239, 107, 147, 69, 25, 165, 33, 237, 14, 79, 78, 29, 101, 146, 189,
markrad 0:cdf462088d13 122 134, 184, 175, 143, 124, 235, 31, 206, 62, 48, 220, 95, 94, 197, 11, 26,
markrad 0:cdf462088d13 123 166, 225, 57, 202, 213, 71, 93, 61, 217, 1, 90, 214, 81, 86, 108, 77,
markrad 0:cdf462088d13 124 139, 13, 154, 102, 251, 204, 176, 45, 116, 18, 43, 32, 240, 177, 132, 153,
markrad 0:cdf462088d13 125 223, 76, 203, 194, 52, 126, 118, 5, 109, 183, 169, 49, 209, 23, 4, 215,
markrad 0:cdf462088d13 126 20, 88, 58, 97, 222, 27, 17, 28, 50, 15, 156, 22, 83, 24, 242, 34,
markrad 0:cdf462088d13 127 254, 68, 207, 178, 195, 181, 122, 145, 36, 8, 232, 168, 96, 252, 105, 80,
markrad 0:cdf462088d13 128 170, 208, 160, 125, 161, 137, 98, 151, 84, 91, 30, 149, 224, 255, 100, 210,
markrad 0:cdf462088d13 129 16, 196, 0, 72, 163, 247, 117, 219, 138, 3, 230, 218, 9, 63, 221, 148,
markrad 0:cdf462088d13 130 135, 92, 131, 2, 205, 74, 144, 51, 115, 103, 246, 243, 157, 127, 191, 226,
markrad 0:cdf462088d13 131 82, 155, 216, 38, 200, 55, 198, 59, 129, 150, 111, 75, 19, 190, 99, 46,
markrad 0:cdf462088d13 132 233, 121, 167, 140, 159, 110, 188, 142, 41, 245, 249, 182, 47, 253, 180, 89,
markrad 0:cdf462088d13 133 120, 152, 6, 106, 231, 70, 113, 186, 212, 37, 171, 66, 136, 162, 141, 250,
markrad 0:cdf462088d13 134 114, 7, 185, 85, 248, 238, 172, 10, 54, 73, 42, 104, 60, 56, 241, 164,
markrad 0:cdf462088d13 135 64, 40, 211, 123, 187, 201, 67, 193, 21, 227, 173, 244, 119, 199, 128, 158
markrad 0:cdf462088d13 136 };
markrad 0:cdf462088d13 137
markrad 0:cdf462088d13 138 static const unsigned char FSb2[256] =
markrad 0:cdf462088d13 139 {
markrad 0:cdf462088d13 140 224, 5, 88, 217, 103, 78, 129, 203, 201, 11, 174, 106, 213, 24, 93, 130,
markrad 0:cdf462088d13 141 70, 223, 214, 39, 138, 50, 75, 66, 219, 28, 158, 156, 58, 202, 37, 123,
markrad 0:cdf462088d13 142 13, 113, 95, 31, 248, 215, 62, 157, 124, 96, 185, 190, 188, 139, 22, 52,
markrad 0:cdf462088d13 143 77, 195, 114, 149, 171, 142, 186, 122, 179, 2, 180, 173, 162, 172, 216, 154,
markrad 0:cdf462088d13 144 23, 26, 53, 204, 247, 153, 97, 90, 232, 36, 86, 64, 225, 99, 9, 51,
markrad 0:cdf462088d13 145 191, 152, 151, 133, 104, 252, 236, 10, 218, 111, 83, 98, 163, 46, 8, 175,
markrad 0:cdf462088d13 146 40, 176, 116, 194, 189, 54, 34, 56, 100, 30, 57, 44, 166, 48, 229, 68,
markrad 0:cdf462088d13 147 253, 136, 159, 101, 135, 107, 244, 35, 72, 16, 209, 81, 192, 249, 210, 160,
markrad 0:cdf462088d13 148 85, 161, 65, 250, 67, 19, 196, 47, 168, 182, 60, 43, 193, 255, 200, 165,
markrad 0:cdf462088d13 149 32, 137, 0, 144, 71, 239, 234, 183, 21, 6, 205, 181, 18, 126, 187, 41,
markrad 0:cdf462088d13 150 15, 184, 7, 4, 155, 148, 33, 102, 230, 206, 237, 231, 59, 254, 127, 197,
markrad 0:cdf462088d13 151 164, 55, 177, 76, 145, 110, 141, 118, 3, 45, 222, 150, 38, 125, 198, 92,
markrad 0:cdf462088d13 152 211, 242, 79, 25, 63, 220, 121, 29, 82, 235, 243, 109, 94, 251, 105, 178,
markrad 0:cdf462088d13 153 240, 49, 12, 212, 207, 140, 226, 117, 169, 74, 87, 132, 17, 69, 27, 245,
markrad 0:cdf462088d13 154 228, 14, 115, 170, 241, 221, 89, 20, 108, 146, 84, 208, 120, 112, 227, 73,
markrad 0:cdf462088d13 155 128, 80, 167, 246, 119, 147, 134, 131, 42, 199, 91, 233, 238, 143, 1, 61
markrad 0:cdf462088d13 156 };
markrad 0:cdf462088d13 157
markrad 0:cdf462088d13 158 static const unsigned char FSb3[256] =
markrad 0:cdf462088d13 159 {
markrad 0:cdf462088d13 160 56, 65, 22, 118, 217, 147, 96, 242, 114, 194, 171, 154, 117, 6, 87, 160,
markrad 0:cdf462088d13 161 145, 247, 181, 201, 162, 140, 210, 144, 246, 7, 167, 39, 142, 178, 73, 222,
markrad 0:cdf462088d13 162 67, 92, 215, 199, 62, 245, 143, 103, 31, 24, 110, 175, 47, 226, 133, 13,
markrad 0:cdf462088d13 163 83, 240, 156, 101, 234, 163, 174, 158, 236, 128, 45, 107, 168, 43, 54, 166,
markrad 0:cdf462088d13 164 197, 134, 77, 51, 253, 102, 88, 150, 58, 9, 149, 16, 120, 216, 66, 204,
markrad 0:cdf462088d13 165 239, 38, 229, 97, 26, 63, 59, 130, 182, 219, 212, 152, 232, 139, 2, 235,
markrad 0:cdf462088d13 166 10, 44, 29, 176, 111, 141, 136, 14, 25, 135, 78, 11, 169, 12, 121, 17,
markrad 0:cdf462088d13 167 127, 34, 231, 89, 225, 218, 61, 200, 18, 4, 116, 84, 48, 126, 180, 40,
markrad 0:cdf462088d13 168 85, 104, 80, 190, 208, 196, 49, 203, 42, 173, 15, 202, 112, 255, 50, 105,
markrad 0:cdf462088d13 169 8, 98, 0, 36, 209, 251, 186, 237, 69, 129, 115, 109, 132, 159, 238, 74,
markrad 0:cdf462088d13 170 195, 46, 193, 1, 230, 37, 72, 153, 185, 179, 123, 249, 206, 191, 223, 113,
markrad 0:cdf462088d13 171 41, 205, 108, 19, 100, 155, 99, 157, 192, 75, 183, 165, 137, 95, 177, 23,
markrad 0:cdf462088d13 172 244, 188, 211, 70, 207, 55, 94, 71, 148, 250, 252, 91, 151, 254, 90, 172,
markrad 0:cdf462088d13 173 60, 76, 3, 53, 243, 35, 184, 93, 106, 146, 213, 33, 68, 81, 198, 125,
markrad 0:cdf462088d13 174 57, 131, 220, 170, 124, 119, 86, 5, 27, 164, 21, 52, 30, 28, 248, 82,
markrad 0:cdf462088d13 175 32, 20, 233, 189, 221, 228, 161, 224, 138, 241, 214, 122, 187, 227, 64, 79
markrad 0:cdf462088d13 176 };
markrad 0:cdf462088d13 177
markrad 0:cdf462088d13 178 static const unsigned char FSb4[256] =
markrad 0:cdf462088d13 179 {
markrad 0:cdf462088d13 180 112, 44, 179, 192, 228, 87, 234, 174, 35, 107, 69, 165, 237, 79, 29, 146,
markrad 0:cdf462088d13 181 134, 175, 124, 31, 62, 220, 94, 11, 166, 57, 213, 93, 217, 90, 81, 108,
markrad 0:cdf462088d13 182 139, 154, 251, 176, 116, 43, 240, 132, 223, 203, 52, 118, 109, 169, 209, 4,
markrad 0:cdf462088d13 183 20, 58, 222, 17, 50, 156, 83, 242, 254, 207, 195, 122, 36, 232, 96, 105,
markrad 0:cdf462088d13 184 170, 160, 161, 98, 84, 30, 224, 100, 16, 0, 163, 117, 138, 230, 9, 221,
markrad 0:cdf462088d13 185 135, 131, 205, 144, 115, 246, 157, 191, 82, 216, 200, 198, 129, 111, 19, 99,
markrad 0:cdf462088d13 186 233, 167, 159, 188, 41, 249, 47, 180, 120, 6, 231, 113, 212, 171, 136, 141,
markrad 0:cdf462088d13 187 114, 185, 248, 172, 54, 42, 60, 241, 64, 211, 187, 67, 21, 173, 119, 128,
markrad 0:cdf462088d13 188 130, 236, 39, 229, 133, 53, 12, 65, 239, 147, 25, 33, 14, 78, 101, 189,
markrad 0:cdf462088d13 189 184, 143, 235, 206, 48, 95, 197, 26, 225, 202, 71, 61, 1, 214, 86, 77,
markrad 0:cdf462088d13 190 13, 102, 204, 45, 18, 32, 177, 153, 76, 194, 126, 5, 183, 49, 23, 215,
markrad 0:cdf462088d13 191 88, 97, 27, 28, 15, 22, 24, 34, 68, 178, 181, 145, 8, 168, 252, 80,
markrad 0:cdf462088d13 192 208, 125, 137, 151, 91, 149, 255, 210, 196, 72, 247, 219, 3, 218, 63, 148,
markrad 0:cdf462088d13 193 92, 2, 74, 51, 103, 243, 127, 226, 155, 38, 55, 59, 150, 75, 190, 46,
markrad 0:cdf462088d13 194 121, 140, 110, 142, 245, 182, 253, 89, 152, 106, 70, 186, 37, 66, 162, 250,
markrad 0:cdf462088d13 195 7, 85, 238, 10, 73, 104, 56, 164, 40, 123, 201, 193, 227, 244, 199, 158
markrad 0:cdf462088d13 196 };
markrad 0:cdf462088d13 197
markrad 0:cdf462088d13 198 #define SBOX1(n) FSb[(n)]
markrad 0:cdf462088d13 199 #define SBOX2(n) FSb2[(n)]
markrad 0:cdf462088d13 200 #define SBOX3(n) FSb3[(n)]
markrad 0:cdf462088d13 201 #define SBOX4(n) FSb4[(n)]
markrad 0:cdf462088d13 202
markrad 0:cdf462088d13 203 #endif /* MBEDTLS_CAMELLIA_SMALL_MEMORY */
markrad 0:cdf462088d13 204
markrad 0:cdf462088d13 205 static const unsigned char shifts[2][4][4] =
markrad 0:cdf462088d13 206 {
markrad 0:cdf462088d13 207 {
markrad 0:cdf462088d13 208 { 1, 1, 1, 1 }, /* KL */
markrad 0:cdf462088d13 209 { 0, 0, 0, 0 }, /* KR */
markrad 0:cdf462088d13 210 { 1, 1, 1, 1 }, /* KA */
markrad 0:cdf462088d13 211 { 0, 0, 0, 0 } /* KB */
markrad 0:cdf462088d13 212 },
markrad 0:cdf462088d13 213 {
markrad 0:cdf462088d13 214 { 1, 0, 1, 1 }, /* KL */
markrad 0:cdf462088d13 215 { 1, 1, 0, 1 }, /* KR */
markrad 0:cdf462088d13 216 { 1, 1, 1, 0 }, /* KA */
markrad 0:cdf462088d13 217 { 1, 1, 0, 1 } /* KB */
markrad 0:cdf462088d13 218 }
markrad 0:cdf462088d13 219 };
markrad 0:cdf462088d13 220
markrad 0:cdf462088d13 221 static const signed char indexes[2][4][20] =
markrad 0:cdf462088d13 222 {
markrad 0:cdf462088d13 223 {
markrad 0:cdf462088d13 224 { 0, 1, 2, 3, 8, 9, 10, 11, 38, 39,
markrad 0:cdf462088d13 225 36, 37, 23, 20, 21, 22, 27, -1, -1, 26 }, /* KL -> RK */
markrad 0:cdf462088d13 226 { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
markrad 0:cdf462088d13 227 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, /* KR -> RK */
markrad 0:cdf462088d13 228 { 4, 5, 6, 7, 12, 13, 14, 15, 16, 17,
markrad 0:cdf462088d13 229 18, 19, -1, 24, 25, -1, 31, 28, 29, 30 }, /* KA -> RK */
markrad 0:cdf462088d13 230 { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
markrad 0:cdf462088d13 231 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } /* KB -> RK */
markrad 0:cdf462088d13 232 },
markrad 0:cdf462088d13 233 {
markrad 0:cdf462088d13 234 { 0, 1, 2, 3, 61, 62, 63, 60, -1, -1,
markrad 0:cdf462088d13 235 -1, -1, 27, 24, 25, 26, 35, 32, 33, 34 }, /* KL -> RK */
markrad 0:cdf462088d13 236 { -1, -1, -1, -1, 8, 9, 10, 11, 16, 17,
markrad 0:cdf462088d13 237 18, 19, -1, -1, -1, -1, 39, 36, 37, 38 }, /* KR -> RK */
markrad 0:cdf462088d13 238 { -1, -1, -1, -1, 12, 13, 14, 15, 58, 59,
markrad 0:cdf462088d13 239 56, 57, 31, 28, 29, 30, -1, -1, -1, -1 }, /* KA -> RK */
markrad 0:cdf462088d13 240 { 4, 5, 6, 7, 65, 66, 67, 64, 20, 21,
markrad 0:cdf462088d13 241 22, 23, -1, -1, -1, -1, 43, 40, 41, 42 } /* KB -> RK */
markrad 0:cdf462088d13 242 }
markrad 0:cdf462088d13 243 };
markrad 0:cdf462088d13 244
markrad 0:cdf462088d13 245 static const signed char transposes[2][20] =
markrad 0:cdf462088d13 246 {
markrad 0:cdf462088d13 247 {
markrad 0:cdf462088d13 248 21, 22, 23, 20,
markrad 0:cdf462088d13 249 -1, -1, -1, -1,
markrad 0:cdf462088d13 250 18, 19, 16, 17,
markrad 0:cdf462088d13 251 11, 8, 9, 10,
markrad 0:cdf462088d13 252 15, 12, 13, 14
markrad 0:cdf462088d13 253 },
markrad 0:cdf462088d13 254 {
markrad 0:cdf462088d13 255 25, 26, 27, 24,
markrad 0:cdf462088d13 256 29, 30, 31, 28,
markrad 0:cdf462088d13 257 18, 19, 16, 17,
markrad 0:cdf462088d13 258 -1, -1, -1, -1,
markrad 0:cdf462088d13 259 -1, -1, -1, -1
markrad 0:cdf462088d13 260 }
markrad 0:cdf462088d13 261 };
markrad 0:cdf462088d13 262
markrad 0:cdf462088d13 263 /* Shift macro for 128 bit strings with rotation smaller than 32 bits (!) */
markrad 0:cdf462088d13 264 #define ROTL(DEST, SRC, SHIFT) \
markrad 0:cdf462088d13 265 { \
markrad 0:cdf462088d13 266 (DEST)[0] = (SRC)[0] << (SHIFT) ^ (SRC)[1] >> (32 - (SHIFT)); \
markrad 0:cdf462088d13 267 (DEST)[1] = (SRC)[1] << (SHIFT) ^ (SRC)[2] >> (32 - (SHIFT)); \
markrad 0:cdf462088d13 268 (DEST)[2] = (SRC)[2] << (SHIFT) ^ (SRC)[3] >> (32 - (SHIFT)); \
markrad 0:cdf462088d13 269 (DEST)[3] = (SRC)[3] << (SHIFT) ^ (SRC)[0] >> (32 - (SHIFT)); \
markrad 0:cdf462088d13 270 }
markrad 0:cdf462088d13 271
markrad 0:cdf462088d13 272 #define FL(XL, XR, KL, KR) \
markrad 0:cdf462088d13 273 { \
markrad 0:cdf462088d13 274 (XR) = ((((XL) & (KL)) << 1) | (((XL) & (KL)) >> 31)) ^ (XR); \
markrad 0:cdf462088d13 275 (XL) = ((XR) | (KR)) ^ (XL); \
markrad 0:cdf462088d13 276 }
markrad 0:cdf462088d13 277
markrad 0:cdf462088d13 278 #define FLInv(YL, YR, KL, KR) \
markrad 0:cdf462088d13 279 { \
markrad 0:cdf462088d13 280 (YL) = ((YR) | (KR)) ^ (YL); \
markrad 0:cdf462088d13 281 (YR) = ((((YL) & (KL)) << 1) | (((YL) & (KL)) >> 31)) ^ (YR); \
markrad 0:cdf462088d13 282 }
markrad 0:cdf462088d13 283
markrad 0:cdf462088d13 284 #define SHIFT_AND_PLACE(INDEX, OFFSET) \
markrad 0:cdf462088d13 285 { \
markrad 0:cdf462088d13 286 TK[0] = KC[(OFFSET) * 4 + 0]; \
markrad 0:cdf462088d13 287 TK[1] = KC[(OFFSET) * 4 + 1]; \
markrad 0:cdf462088d13 288 TK[2] = KC[(OFFSET) * 4 + 2]; \
markrad 0:cdf462088d13 289 TK[3] = KC[(OFFSET) * 4 + 3]; \
markrad 0:cdf462088d13 290 \
markrad 0:cdf462088d13 291 for( i = 1; i <= 4; i++ ) \
markrad 0:cdf462088d13 292 if( shifts[(INDEX)][(OFFSET)][i -1] ) \
markrad 0:cdf462088d13 293 ROTL(TK + i * 4, TK, ( 15 * i ) % 32); \
markrad 0:cdf462088d13 294 \
markrad 0:cdf462088d13 295 for( i = 0; i < 20; i++ ) \
markrad 0:cdf462088d13 296 if( indexes[(INDEX)][(OFFSET)][i] != -1 ) { \
markrad 0:cdf462088d13 297 RK[indexes[(INDEX)][(OFFSET)][i]] = TK[ i ]; \
markrad 0:cdf462088d13 298 } \
markrad 0:cdf462088d13 299 }
markrad 0:cdf462088d13 300
markrad 0:cdf462088d13 301 static void camellia_feistel( const uint32_t x[2], const uint32_t k[2],
markrad 0:cdf462088d13 302 uint32_t z[2])
markrad 0:cdf462088d13 303 {
markrad 0:cdf462088d13 304 uint32_t I0, I1;
markrad 0:cdf462088d13 305 I0 = x[0] ^ k[0];
markrad 0:cdf462088d13 306 I1 = x[1] ^ k[1];
markrad 0:cdf462088d13 307
markrad 0:cdf462088d13 308 I0 = ((uint32_t) SBOX1((I0 >> 24) & 0xFF) << 24) |
markrad 0:cdf462088d13 309 ((uint32_t) SBOX2((I0 >> 16) & 0xFF) << 16) |
markrad 0:cdf462088d13 310 ((uint32_t) SBOX3((I0 >> 8) & 0xFF) << 8) |
markrad 0:cdf462088d13 311 ((uint32_t) SBOX4((I0 ) & 0xFF) );
markrad 0:cdf462088d13 312 I1 = ((uint32_t) SBOX2((I1 >> 24) & 0xFF) << 24) |
markrad 0:cdf462088d13 313 ((uint32_t) SBOX3((I1 >> 16) & 0xFF) << 16) |
markrad 0:cdf462088d13 314 ((uint32_t) SBOX4((I1 >> 8) & 0xFF) << 8) |
markrad 0:cdf462088d13 315 ((uint32_t) SBOX1((I1 ) & 0xFF) );
markrad 0:cdf462088d13 316
markrad 0:cdf462088d13 317 I0 ^= (I1 << 8) | (I1 >> 24);
markrad 0:cdf462088d13 318 I1 ^= (I0 << 16) | (I0 >> 16);
markrad 0:cdf462088d13 319 I0 ^= (I1 >> 8) | (I1 << 24);
markrad 0:cdf462088d13 320 I1 ^= (I0 >> 8) | (I0 << 24);
markrad 0:cdf462088d13 321
markrad 0:cdf462088d13 322 z[0] ^= I1;
markrad 0:cdf462088d13 323 z[1] ^= I0;
markrad 0:cdf462088d13 324 }
markrad 0:cdf462088d13 325
markrad 0:cdf462088d13 326 void mbedtls_camellia_init( mbedtls_camellia_context *ctx )
markrad 0:cdf462088d13 327 {
markrad 0:cdf462088d13 328 memset( ctx, 0, sizeof( mbedtls_camellia_context ) );
markrad 0:cdf462088d13 329 }
markrad 0:cdf462088d13 330
markrad 0:cdf462088d13 331 void mbedtls_camellia_free( mbedtls_camellia_context *ctx )
markrad 0:cdf462088d13 332 {
markrad 0:cdf462088d13 333 if( ctx == NULL )
markrad 0:cdf462088d13 334 return;
markrad 0:cdf462088d13 335
markrad 0:cdf462088d13 336 mbedtls_zeroize( ctx, sizeof( mbedtls_camellia_context ) );
markrad 0:cdf462088d13 337 }
markrad 0:cdf462088d13 338
markrad 0:cdf462088d13 339 /*
markrad 0:cdf462088d13 340 * Camellia key schedule (encryption)
markrad 0:cdf462088d13 341 */
markrad 0:cdf462088d13 342 int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, const unsigned char *key,
markrad 0:cdf462088d13 343 unsigned int keybits )
markrad 0:cdf462088d13 344 {
markrad 0:cdf462088d13 345 int idx;
markrad 0:cdf462088d13 346 size_t i;
markrad 0:cdf462088d13 347 uint32_t *RK;
markrad 0:cdf462088d13 348 unsigned char t[64];
markrad 0:cdf462088d13 349 uint32_t SIGMA[6][2];
markrad 0:cdf462088d13 350 uint32_t KC[16];
markrad 0:cdf462088d13 351 uint32_t TK[20];
markrad 0:cdf462088d13 352
markrad 0:cdf462088d13 353 RK = ctx->rk;
markrad 0:cdf462088d13 354
markrad 0:cdf462088d13 355 memset( t, 0, 64 );
markrad 0:cdf462088d13 356 memset( RK, 0, sizeof(ctx->rk) );
markrad 0:cdf462088d13 357
markrad 0:cdf462088d13 358 switch( keybits )
markrad 0:cdf462088d13 359 {
markrad 0:cdf462088d13 360 case 128: ctx->nr = 3; idx = 0; break;
markrad 0:cdf462088d13 361 case 192:
markrad 0:cdf462088d13 362 case 256: ctx->nr = 4; idx = 1; break;
markrad 0:cdf462088d13 363 default : return( MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH );
markrad 0:cdf462088d13 364 }
markrad 0:cdf462088d13 365
markrad 0:cdf462088d13 366 for( i = 0; i < keybits / 8; ++i )
markrad 0:cdf462088d13 367 t[i] = key[i];
markrad 0:cdf462088d13 368
markrad 0:cdf462088d13 369 if( keybits == 192 ) {
markrad 0:cdf462088d13 370 for( i = 0; i < 8; i++ )
markrad 0:cdf462088d13 371 t[24 + i] = ~t[16 + i];
markrad 0:cdf462088d13 372 }
markrad 0:cdf462088d13 373
markrad 0:cdf462088d13 374 /*
markrad 0:cdf462088d13 375 * Prepare SIGMA values
markrad 0:cdf462088d13 376 */
markrad 0:cdf462088d13 377 for( i = 0; i < 6; i++ ) {
markrad 0:cdf462088d13 378 GET_UINT32_BE( SIGMA[i][0], SIGMA_CHARS[i], 0 );
markrad 0:cdf462088d13 379 GET_UINT32_BE( SIGMA[i][1], SIGMA_CHARS[i], 4 );
markrad 0:cdf462088d13 380 }
markrad 0:cdf462088d13 381
markrad 0:cdf462088d13 382 /*
markrad 0:cdf462088d13 383 * Key storage in KC
markrad 0:cdf462088d13 384 * Order: KL, KR, KA, KB
markrad 0:cdf462088d13 385 */
markrad 0:cdf462088d13 386 memset( KC, 0, sizeof(KC) );
markrad 0:cdf462088d13 387
markrad 0:cdf462088d13 388 /* Store KL, KR */
markrad 0:cdf462088d13 389 for( i = 0; i < 8; i++ )
markrad 0:cdf462088d13 390 GET_UINT32_BE( KC[i], t, i * 4 );
markrad 0:cdf462088d13 391
markrad 0:cdf462088d13 392 /* Generate KA */
markrad 0:cdf462088d13 393 for( i = 0; i < 4; ++i )
markrad 0:cdf462088d13 394 KC[8 + i] = KC[i] ^ KC[4 + i];
markrad 0:cdf462088d13 395
markrad 0:cdf462088d13 396 camellia_feistel( KC + 8, SIGMA[0], KC + 10 );
markrad 0:cdf462088d13 397 camellia_feistel( KC + 10, SIGMA[1], KC + 8 );
markrad 0:cdf462088d13 398
markrad 0:cdf462088d13 399 for( i = 0; i < 4; ++i )
markrad 0:cdf462088d13 400 KC[8 + i] ^= KC[i];
markrad 0:cdf462088d13 401
markrad 0:cdf462088d13 402 camellia_feistel( KC + 8, SIGMA[2], KC + 10 );
markrad 0:cdf462088d13 403 camellia_feistel( KC + 10, SIGMA[3], KC + 8 );
markrad 0:cdf462088d13 404
markrad 0:cdf462088d13 405 if( keybits > 128 ) {
markrad 0:cdf462088d13 406 /* Generate KB */
markrad 0:cdf462088d13 407 for( i = 0; i < 4; ++i )
markrad 0:cdf462088d13 408 KC[12 + i] = KC[4 + i] ^ KC[8 + i];
markrad 0:cdf462088d13 409
markrad 0:cdf462088d13 410 camellia_feistel( KC + 12, SIGMA[4], KC + 14 );
markrad 0:cdf462088d13 411 camellia_feistel( KC + 14, SIGMA[5], KC + 12 );
markrad 0:cdf462088d13 412 }
markrad 0:cdf462088d13 413
markrad 0:cdf462088d13 414 /*
markrad 0:cdf462088d13 415 * Generating subkeys
markrad 0:cdf462088d13 416 */
markrad 0:cdf462088d13 417
markrad 0:cdf462088d13 418 /* Manipulating KL */
markrad 0:cdf462088d13 419 SHIFT_AND_PLACE( idx, 0 );
markrad 0:cdf462088d13 420
markrad 0:cdf462088d13 421 /* Manipulating KR */
markrad 0:cdf462088d13 422 if( keybits > 128 ) {
markrad 0:cdf462088d13 423 SHIFT_AND_PLACE( idx, 1 );
markrad 0:cdf462088d13 424 }
markrad 0:cdf462088d13 425
markrad 0:cdf462088d13 426 /* Manipulating KA */
markrad 0:cdf462088d13 427 SHIFT_AND_PLACE( idx, 2 );
markrad 0:cdf462088d13 428
markrad 0:cdf462088d13 429 /* Manipulating KB */
markrad 0:cdf462088d13 430 if( keybits > 128 ) {
markrad 0:cdf462088d13 431 SHIFT_AND_PLACE( idx, 3 );
markrad 0:cdf462088d13 432 }
markrad 0:cdf462088d13 433
markrad 0:cdf462088d13 434 /* Do transpositions */
markrad 0:cdf462088d13 435 for( i = 0; i < 20; i++ ) {
markrad 0:cdf462088d13 436 if( transposes[idx][i] != -1 ) {
markrad 0:cdf462088d13 437 RK[32 + 12 * idx + i] = RK[transposes[idx][i]];
markrad 0:cdf462088d13 438 }
markrad 0:cdf462088d13 439 }
markrad 0:cdf462088d13 440
markrad 0:cdf462088d13 441 return( 0 );
markrad 0:cdf462088d13 442 }
markrad 0:cdf462088d13 443
markrad 0:cdf462088d13 444 /*
markrad 0:cdf462088d13 445 * Camellia key schedule (decryption)
markrad 0:cdf462088d13 446 */
markrad 0:cdf462088d13 447 int mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx, const unsigned char *key,
markrad 0:cdf462088d13 448 unsigned int keybits )
markrad 0:cdf462088d13 449 {
markrad 0:cdf462088d13 450 int idx, ret;
markrad 0:cdf462088d13 451 size_t i;
markrad 0:cdf462088d13 452 mbedtls_camellia_context cty;
markrad 0:cdf462088d13 453 uint32_t *RK;
markrad 0:cdf462088d13 454 uint32_t *SK;
markrad 0:cdf462088d13 455
markrad 0:cdf462088d13 456 mbedtls_camellia_init( &cty );
markrad 0:cdf462088d13 457
markrad 0:cdf462088d13 458 /* Also checks keybits */
markrad 0:cdf462088d13 459 if( ( ret = mbedtls_camellia_setkey_enc( &cty, key, keybits ) ) != 0 )
markrad 0:cdf462088d13 460 goto exit;
markrad 0:cdf462088d13 461
markrad 0:cdf462088d13 462 ctx->nr = cty.nr;
markrad 0:cdf462088d13 463 idx = ( ctx->nr == 4 );
markrad 0:cdf462088d13 464
markrad 0:cdf462088d13 465 RK = ctx->rk;
markrad 0:cdf462088d13 466 SK = cty.rk + 24 * 2 + 8 * idx * 2;
markrad 0:cdf462088d13 467
markrad 0:cdf462088d13 468 *RK++ = *SK++;
markrad 0:cdf462088d13 469 *RK++ = *SK++;
markrad 0:cdf462088d13 470 *RK++ = *SK++;
markrad 0:cdf462088d13 471 *RK++ = *SK++;
markrad 0:cdf462088d13 472
markrad 0:cdf462088d13 473 for( i = 22 + 8 * idx, SK -= 6; i > 0; i--, SK -= 4 )
markrad 0:cdf462088d13 474 {
markrad 0:cdf462088d13 475 *RK++ = *SK++;
markrad 0:cdf462088d13 476 *RK++ = *SK++;
markrad 0:cdf462088d13 477 }
markrad 0:cdf462088d13 478
markrad 0:cdf462088d13 479 SK -= 2;
markrad 0:cdf462088d13 480
markrad 0:cdf462088d13 481 *RK++ = *SK++;
markrad 0:cdf462088d13 482 *RK++ = *SK++;
markrad 0:cdf462088d13 483 *RK++ = *SK++;
markrad 0:cdf462088d13 484 *RK++ = *SK++;
markrad 0:cdf462088d13 485
markrad 0:cdf462088d13 486 exit:
markrad 0:cdf462088d13 487 mbedtls_camellia_free( &cty );
markrad 0:cdf462088d13 488
markrad 0:cdf462088d13 489 return( ret );
markrad 0:cdf462088d13 490 }
markrad 0:cdf462088d13 491
markrad 0:cdf462088d13 492 /*
markrad 0:cdf462088d13 493 * Camellia-ECB block encryption/decryption
markrad 0:cdf462088d13 494 */
markrad 0:cdf462088d13 495 int mbedtls_camellia_crypt_ecb( mbedtls_camellia_context *ctx,
markrad 0:cdf462088d13 496 int mode,
markrad 0:cdf462088d13 497 const unsigned char input[16],
markrad 0:cdf462088d13 498 unsigned char output[16] )
markrad 0:cdf462088d13 499 {
markrad 0:cdf462088d13 500 int NR;
markrad 0:cdf462088d13 501 uint32_t *RK, X[4];
markrad 0:cdf462088d13 502
markrad 0:cdf462088d13 503 ( (void) mode );
markrad 0:cdf462088d13 504
markrad 0:cdf462088d13 505 NR = ctx->nr;
markrad 0:cdf462088d13 506 RK = ctx->rk;
markrad 0:cdf462088d13 507
markrad 0:cdf462088d13 508 GET_UINT32_BE( X[0], input, 0 );
markrad 0:cdf462088d13 509 GET_UINT32_BE( X[1], input, 4 );
markrad 0:cdf462088d13 510 GET_UINT32_BE( X[2], input, 8 );
markrad 0:cdf462088d13 511 GET_UINT32_BE( X[3], input, 12 );
markrad 0:cdf462088d13 512
markrad 0:cdf462088d13 513 X[0] ^= *RK++;
markrad 0:cdf462088d13 514 X[1] ^= *RK++;
markrad 0:cdf462088d13 515 X[2] ^= *RK++;
markrad 0:cdf462088d13 516 X[3] ^= *RK++;
markrad 0:cdf462088d13 517
markrad 0:cdf462088d13 518 while( NR ) {
markrad 0:cdf462088d13 519 --NR;
markrad 0:cdf462088d13 520 camellia_feistel( X, RK, X + 2 );
markrad 0:cdf462088d13 521 RK += 2;
markrad 0:cdf462088d13 522 camellia_feistel( X + 2, RK, X );
markrad 0:cdf462088d13 523 RK += 2;
markrad 0:cdf462088d13 524 camellia_feistel( X, RK, X + 2 );
markrad 0:cdf462088d13 525 RK += 2;
markrad 0:cdf462088d13 526 camellia_feistel( X + 2, RK, X );
markrad 0:cdf462088d13 527 RK += 2;
markrad 0:cdf462088d13 528 camellia_feistel( X, RK, X + 2 );
markrad 0:cdf462088d13 529 RK += 2;
markrad 0:cdf462088d13 530 camellia_feistel( X + 2, RK, X );
markrad 0:cdf462088d13 531 RK += 2;
markrad 0:cdf462088d13 532
markrad 0:cdf462088d13 533 if( NR ) {
markrad 0:cdf462088d13 534 FL(X[0], X[1], RK[0], RK[1]);
markrad 0:cdf462088d13 535 RK += 2;
markrad 0:cdf462088d13 536 FLInv(X[2], X[3], RK[0], RK[1]);
markrad 0:cdf462088d13 537 RK += 2;
markrad 0:cdf462088d13 538 }
markrad 0:cdf462088d13 539 }
markrad 0:cdf462088d13 540
markrad 0:cdf462088d13 541 X[2] ^= *RK++;
markrad 0:cdf462088d13 542 X[3] ^= *RK++;
markrad 0:cdf462088d13 543 X[0] ^= *RK++;
markrad 0:cdf462088d13 544 X[1] ^= *RK++;
markrad 0:cdf462088d13 545
markrad 0:cdf462088d13 546 PUT_UINT32_BE( X[2], output, 0 );
markrad 0:cdf462088d13 547 PUT_UINT32_BE( X[3], output, 4 );
markrad 0:cdf462088d13 548 PUT_UINT32_BE( X[0], output, 8 );
markrad 0:cdf462088d13 549 PUT_UINT32_BE( X[1], output, 12 );
markrad 0:cdf462088d13 550
markrad 0:cdf462088d13 551 return( 0 );
markrad 0:cdf462088d13 552 }
markrad 0:cdf462088d13 553
markrad 0:cdf462088d13 554 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 555 /*
markrad 0:cdf462088d13 556 * Camellia-CBC buffer encryption/decryption
markrad 0:cdf462088d13 557 */
markrad 0:cdf462088d13 558 int mbedtls_camellia_crypt_cbc( mbedtls_camellia_context *ctx,
markrad 0:cdf462088d13 559 int mode,
markrad 0:cdf462088d13 560 size_t length,
markrad 0:cdf462088d13 561 unsigned char iv[16],
markrad 0:cdf462088d13 562 const unsigned char *input,
markrad 0:cdf462088d13 563 unsigned char *output )
markrad 0:cdf462088d13 564 {
markrad 0:cdf462088d13 565 int i;
markrad 0:cdf462088d13 566 unsigned char temp[16];
markrad 0:cdf462088d13 567
markrad 0:cdf462088d13 568 if( length % 16 )
markrad 0:cdf462088d13 569 return( MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH );
markrad 0:cdf462088d13 570
markrad 0:cdf462088d13 571 if( mode == MBEDTLS_CAMELLIA_DECRYPT )
markrad 0:cdf462088d13 572 {
markrad 0:cdf462088d13 573 while( length > 0 )
markrad 0:cdf462088d13 574 {
markrad 0:cdf462088d13 575 memcpy( temp, input, 16 );
markrad 0:cdf462088d13 576 mbedtls_camellia_crypt_ecb( ctx, mode, input, output );
markrad 0:cdf462088d13 577
markrad 0:cdf462088d13 578 for( i = 0; i < 16; i++ )
markrad 0:cdf462088d13 579 output[i] = (unsigned char)( output[i] ^ iv[i] );
markrad 0:cdf462088d13 580
markrad 0:cdf462088d13 581 memcpy( iv, temp, 16 );
markrad 0:cdf462088d13 582
markrad 0:cdf462088d13 583 input += 16;
markrad 0:cdf462088d13 584 output += 16;
markrad 0:cdf462088d13 585 length -= 16;
markrad 0:cdf462088d13 586 }
markrad 0:cdf462088d13 587 }
markrad 0:cdf462088d13 588 else
markrad 0:cdf462088d13 589 {
markrad 0:cdf462088d13 590 while( length > 0 )
markrad 0:cdf462088d13 591 {
markrad 0:cdf462088d13 592 for( i = 0; i < 16; i++ )
markrad 0:cdf462088d13 593 output[i] = (unsigned char)( input[i] ^ iv[i] );
markrad 0:cdf462088d13 594
markrad 0:cdf462088d13 595 mbedtls_camellia_crypt_ecb( ctx, mode, output, output );
markrad 0:cdf462088d13 596 memcpy( iv, output, 16 );
markrad 0:cdf462088d13 597
markrad 0:cdf462088d13 598 input += 16;
markrad 0:cdf462088d13 599 output += 16;
markrad 0:cdf462088d13 600 length -= 16;
markrad 0:cdf462088d13 601 }
markrad 0:cdf462088d13 602 }
markrad 0:cdf462088d13 603
markrad 0:cdf462088d13 604 return( 0 );
markrad 0:cdf462088d13 605 }
markrad 0:cdf462088d13 606 #endif /* MBEDTLS_CIPHER_MODE_CBC */
markrad 0:cdf462088d13 607
markrad 0:cdf462088d13 608 #if defined(MBEDTLS_CIPHER_MODE_CFB)
markrad 0:cdf462088d13 609 /*
markrad 0:cdf462088d13 610 * Camellia-CFB128 buffer encryption/decryption
markrad 0:cdf462088d13 611 */
markrad 0:cdf462088d13 612 int mbedtls_camellia_crypt_cfb128( mbedtls_camellia_context *ctx,
markrad 0:cdf462088d13 613 int mode,
markrad 0:cdf462088d13 614 size_t length,
markrad 0:cdf462088d13 615 size_t *iv_off,
markrad 0:cdf462088d13 616 unsigned char iv[16],
markrad 0:cdf462088d13 617 const unsigned char *input,
markrad 0:cdf462088d13 618 unsigned char *output )
markrad 0:cdf462088d13 619 {
markrad 0:cdf462088d13 620 int c;
markrad 0:cdf462088d13 621 size_t n = *iv_off;
markrad 0:cdf462088d13 622
markrad 0:cdf462088d13 623 if( mode == MBEDTLS_CAMELLIA_DECRYPT )
markrad 0:cdf462088d13 624 {
markrad 0:cdf462088d13 625 while( length-- )
markrad 0:cdf462088d13 626 {
markrad 0:cdf462088d13 627 if( n == 0 )
markrad 0:cdf462088d13 628 mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, iv, iv );
markrad 0:cdf462088d13 629
markrad 0:cdf462088d13 630 c = *input++;
markrad 0:cdf462088d13 631 *output++ = (unsigned char)( c ^ iv[n] );
markrad 0:cdf462088d13 632 iv[n] = (unsigned char) c;
markrad 0:cdf462088d13 633
markrad 0:cdf462088d13 634 n = ( n + 1 ) & 0x0F;
markrad 0:cdf462088d13 635 }
markrad 0:cdf462088d13 636 }
markrad 0:cdf462088d13 637 else
markrad 0:cdf462088d13 638 {
markrad 0:cdf462088d13 639 while( length-- )
markrad 0:cdf462088d13 640 {
markrad 0:cdf462088d13 641 if( n == 0 )
markrad 0:cdf462088d13 642 mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, iv, iv );
markrad 0:cdf462088d13 643
markrad 0:cdf462088d13 644 iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
markrad 0:cdf462088d13 645
markrad 0:cdf462088d13 646 n = ( n + 1 ) & 0x0F;
markrad 0:cdf462088d13 647 }
markrad 0:cdf462088d13 648 }
markrad 0:cdf462088d13 649
markrad 0:cdf462088d13 650 *iv_off = n;
markrad 0:cdf462088d13 651
markrad 0:cdf462088d13 652 return( 0 );
markrad 0:cdf462088d13 653 }
markrad 0:cdf462088d13 654 #endif /* MBEDTLS_CIPHER_MODE_CFB */
markrad 0:cdf462088d13 655
markrad 0:cdf462088d13 656 #if defined(MBEDTLS_CIPHER_MODE_CTR)
markrad 0:cdf462088d13 657 /*
markrad 0:cdf462088d13 658 * Camellia-CTR buffer encryption/decryption
markrad 0:cdf462088d13 659 */
markrad 0:cdf462088d13 660 int mbedtls_camellia_crypt_ctr( mbedtls_camellia_context *ctx,
markrad 0:cdf462088d13 661 size_t length,
markrad 0:cdf462088d13 662 size_t *nc_off,
markrad 0:cdf462088d13 663 unsigned char nonce_counter[16],
markrad 0:cdf462088d13 664 unsigned char stream_block[16],
markrad 0:cdf462088d13 665 const unsigned char *input,
markrad 0:cdf462088d13 666 unsigned char *output )
markrad 0:cdf462088d13 667 {
markrad 0:cdf462088d13 668 int c, i;
markrad 0:cdf462088d13 669 size_t n = *nc_off;
markrad 0:cdf462088d13 670
markrad 0:cdf462088d13 671 while( length-- )
markrad 0:cdf462088d13 672 {
markrad 0:cdf462088d13 673 if( n == 0 ) {
markrad 0:cdf462088d13 674 mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, nonce_counter,
markrad 0:cdf462088d13 675 stream_block );
markrad 0:cdf462088d13 676
markrad 0:cdf462088d13 677 for( i = 16; i > 0; i-- )
markrad 0:cdf462088d13 678 if( ++nonce_counter[i - 1] != 0 )
markrad 0:cdf462088d13 679 break;
markrad 0:cdf462088d13 680 }
markrad 0:cdf462088d13 681 c = *input++;
markrad 0:cdf462088d13 682 *output++ = (unsigned char)( c ^ stream_block[n] );
markrad 0:cdf462088d13 683
markrad 0:cdf462088d13 684 n = ( n + 1 ) & 0x0F;
markrad 0:cdf462088d13 685 }
markrad 0:cdf462088d13 686
markrad 0:cdf462088d13 687 *nc_off = n;
markrad 0:cdf462088d13 688
markrad 0:cdf462088d13 689 return( 0 );
markrad 0:cdf462088d13 690 }
markrad 0:cdf462088d13 691 #endif /* MBEDTLS_CIPHER_MODE_CTR */
markrad 0:cdf462088d13 692 #endif /* !MBEDTLS_CAMELLIA_ALT */
markrad 0:cdf462088d13 693
markrad 0:cdf462088d13 694 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 695
markrad 0:cdf462088d13 696 /*
markrad 0:cdf462088d13 697 * Camellia test vectors from:
markrad 0:cdf462088d13 698 *
markrad 0:cdf462088d13 699 * http://info.isl.ntt.co.jp/crypt/eng/camellia/technology.html:
markrad 0:cdf462088d13 700 * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/intermediate.txt
markrad 0:cdf462088d13 701 * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/t_camellia.txt
markrad 0:cdf462088d13 702 * (For each bitlength: Key 0, Nr 39)
markrad 0:cdf462088d13 703 */
markrad 0:cdf462088d13 704 #define CAMELLIA_TESTS_ECB 2
markrad 0:cdf462088d13 705
markrad 0:cdf462088d13 706 static const unsigned char camellia_test_ecb_key[3][CAMELLIA_TESTS_ECB][32] =
markrad 0:cdf462088d13 707 {
markrad 0:cdf462088d13 708 {
markrad 0:cdf462088d13 709 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
markrad 0:cdf462088d13 710 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 },
markrad 0:cdf462088d13 711 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 712 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
markrad 0:cdf462088d13 713 },
markrad 0:cdf462088d13 714 {
markrad 0:cdf462088d13 715 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
markrad 0:cdf462088d13 716 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
markrad 0:cdf462088d13 717 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 },
markrad 0:cdf462088d13 718 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 719 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 720 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
markrad 0:cdf462088d13 721 },
markrad 0:cdf462088d13 722 {
markrad 0:cdf462088d13 723 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
markrad 0:cdf462088d13 724 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
markrad 0:cdf462088d13 725 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
markrad 0:cdf462088d13 726 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff },
markrad 0:cdf462088d13 727 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 728 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 729 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 730 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
markrad 0:cdf462088d13 731 },
markrad 0:cdf462088d13 732 };
markrad 0:cdf462088d13 733
markrad 0:cdf462088d13 734 static const unsigned char camellia_test_ecb_plain[CAMELLIA_TESTS_ECB][16] =
markrad 0:cdf462088d13 735 {
markrad 0:cdf462088d13 736 { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
markrad 0:cdf462088d13 737 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 },
markrad 0:cdf462088d13 738 { 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 739 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
markrad 0:cdf462088d13 740 };
markrad 0:cdf462088d13 741
markrad 0:cdf462088d13 742 static const unsigned char camellia_test_ecb_cipher[3][CAMELLIA_TESTS_ECB][16] =
markrad 0:cdf462088d13 743 {
markrad 0:cdf462088d13 744 {
markrad 0:cdf462088d13 745 { 0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73,
markrad 0:cdf462088d13 746 0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43 },
markrad 0:cdf462088d13 747 { 0x38, 0x3C, 0x6C, 0x2A, 0xAB, 0xEF, 0x7F, 0xDE,
markrad 0:cdf462088d13 748 0x25, 0xCD, 0x47, 0x0B, 0xF7, 0x74, 0xA3, 0x31 }
markrad 0:cdf462088d13 749 },
markrad 0:cdf462088d13 750 {
markrad 0:cdf462088d13 751 { 0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9, 0x96, 0xf8,
markrad 0:cdf462088d13 752 0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9 },
markrad 0:cdf462088d13 753 { 0xD1, 0x76, 0x3F, 0xC0, 0x19, 0xD7, 0x7C, 0xC9,
markrad 0:cdf462088d13 754 0x30, 0xBF, 0xF2, 0xA5, 0x6F, 0x7C, 0x93, 0x64 }
markrad 0:cdf462088d13 755 },
markrad 0:cdf462088d13 756 {
markrad 0:cdf462088d13 757 { 0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c,
markrad 0:cdf462088d13 758 0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09 },
markrad 0:cdf462088d13 759 { 0x05, 0x03, 0xFB, 0x10, 0xAB, 0x24, 0x1E, 0x7C,
markrad 0:cdf462088d13 760 0xF4, 0x5D, 0x8C, 0xDE, 0xEE, 0x47, 0x43, 0x35 }
markrad 0:cdf462088d13 761 }
markrad 0:cdf462088d13 762 };
markrad 0:cdf462088d13 763
markrad 0:cdf462088d13 764 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 765 #define CAMELLIA_TESTS_CBC 3
markrad 0:cdf462088d13 766
markrad 0:cdf462088d13 767 static const unsigned char camellia_test_cbc_key[3][32] =
markrad 0:cdf462088d13 768 {
markrad 0:cdf462088d13 769 { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6,
markrad 0:cdf462088d13 770 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }
markrad 0:cdf462088d13 771 ,
markrad 0:cdf462088d13 772 { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52,
markrad 0:cdf462088d13 773 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5,
markrad 0:cdf462088d13 774 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B }
markrad 0:cdf462088d13 775 ,
markrad 0:cdf462088d13 776 { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE,
markrad 0:cdf462088d13 777 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81,
markrad 0:cdf462088d13 778 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7,
markrad 0:cdf462088d13 779 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }
markrad 0:cdf462088d13 780 };
markrad 0:cdf462088d13 781
markrad 0:cdf462088d13 782 static const unsigned char camellia_test_cbc_iv[16] =
markrad 0:cdf462088d13 783
markrad 0:cdf462088d13 784 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
markrad 0:cdf462088d13 785 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F }
markrad 0:cdf462088d13 786 ;
markrad 0:cdf462088d13 787
markrad 0:cdf462088d13 788 static const unsigned char camellia_test_cbc_plain[CAMELLIA_TESTS_CBC][16] =
markrad 0:cdf462088d13 789 {
markrad 0:cdf462088d13 790 { 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96,
markrad 0:cdf462088d13 791 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A },
markrad 0:cdf462088d13 792 { 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C,
markrad 0:cdf462088d13 793 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51 },
markrad 0:cdf462088d13 794 { 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11,
markrad 0:cdf462088d13 795 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF }
markrad 0:cdf462088d13 796
markrad 0:cdf462088d13 797 };
markrad 0:cdf462088d13 798
markrad 0:cdf462088d13 799 static const unsigned char camellia_test_cbc_cipher[3][CAMELLIA_TESTS_CBC][16] =
markrad 0:cdf462088d13 800 {
markrad 0:cdf462088d13 801 {
markrad 0:cdf462088d13 802 { 0x16, 0x07, 0xCF, 0x49, 0x4B, 0x36, 0xBB, 0xF0,
markrad 0:cdf462088d13 803 0x0D, 0xAE, 0xB0, 0xB5, 0x03, 0xC8, 0x31, 0xAB },
markrad 0:cdf462088d13 804 { 0xA2, 0xF2, 0xCF, 0x67, 0x16, 0x29, 0xEF, 0x78,
markrad 0:cdf462088d13 805 0x40, 0xC5, 0xA5, 0xDF, 0xB5, 0x07, 0x48, 0x87 },
markrad 0:cdf462088d13 806 { 0x0F, 0x06, 0x16, 0x50, 0x08, 0xCF, 0x8B, 0x8B,
markrad 0:cdf462088d13 807 0x5A, 0x63, 0x58, 0x63, 0x62, 0x54, 0x3E, 0x54 }
markrad 0:cdf462088d13 808 },
markrad 0:cdf462088d13 809 {
markrad 0:cdf462088d13 810 { 0x2A, 0x48, 0x30, 0xAB, 0x5A, 0xC4, 0xA1, 0xA2,
markrad 0:cdf462088d13 811 0x40, 0x59, 0x55, 0xFD, 0x21, 0x95, 0xCF, 0x93 },
markrad 0:cdf462088d13 812 { 0x5D, 0x5A, 0x86, 0x9B, 0xD1, 0x4C, 0xE5, 0x42,
markrad 0:cdf462088d13 813 0x64, 0xF8, 0x92, 0xA6, 0xDD, 0x2E, 0xC3, 0xD5 },
markrad 0:cdf462088d13 814 { 0x37, 0xD3, 0x59, 0xC3, 0x34, 0x98, 0x36, 0xD8,
markrad 0:cdf462088d13 815 0x84, 0xE3, 0x10, 0xAD, 0xDF, 0x68, 0xC4, 0x49 }
markrad 0:cdf462088d13 816 },
markrad 0:cdf462088d13 817 {
markrad 0:cdf462088d13 818 { 0xE6, 0xCF, 0xA3, 0x5F, 0xC0, 0x2B, 0x13, 0x4A,
markrad 0:cdf462088d13 819 0x4D, 0x2C, 0x0B, 0x67, 0x37, 0xAC, 0x3E, 0xDA },
markrad 0:cdf462088d13 820 { 0x36, 0xCB, 0xEB, 0x73, 0xBD, 0x50, 0x4B, 0x40,
markrad 0:cdf462088d13 821 0x70, 0xB1, 0xB7, 0xDE, 0x2B, 0x21, 0xEB, 0x50 },
markrad 0:cdf462088d13 822 { 0xE3, 0x1A, 0x60, 0x55, 0x29, 0x7D, 0x96, 0xCA,
markrad 0:cdf462088d13 823 0x33, 0x30, 0xCD, 0xF1, 0xB1, 0x86, 0x0A, 0x83 }
markrad 0:cdf462088d13 824 }
markrad 0:cdf462088d13 825 };
markrad 0:cdf462088d13 826 #endif /* MBEDTLS_CIPHER_MODE_CBC */
markrad 0:cdf462088d13 827
markrad 0:cdf462088d13 828 #if defined(MBEDTLS_CIPHER_MODE_CTR)
markrad 0:cdf462088d13 829 /*
markrad 0:cdf462088d13 830 * Camellia-CTR test vectors from:
markrad 0:cdf462088d13 831 *
markrad 0:cdf462088d13 832 * http://www.faqs.org/rfcs/rfc5528.html
markrad 0:cdf462088d13 833 */
markrad 0:cdf462088d13 834
markrad 0:cdf462088d13 835 static const unsigned char camellia_test_ctr_key[3][16] =
markrad 0:cdf462088d13 836 {
markrad 0:cdf462088d13 837 { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC,
markrad 0:cdf462088d13 838 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E },
markrad 0:cdf462088d13 839 { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7,
markrad 0:cdf462088d13 840 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 },
markrad 0:cdf462088d13 841 { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8,
markrad 0:cdf462088d13 842 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC }
markrad 0:cdf462088d13 843 };
markrad 0:cdf462088d13 844
markrad 0:cdf462088d13 845 static const unsigned char camellia_test_ctr_nonce_counter[3][16] =
markrad 0:cdf462088d13 846 {
markrad 0:cdf462088d13 847 { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
markrad 0:cdf462088d13 848 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },
markrad 0:cdf462088d13 849 { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59,
markrad 0:cdf462088d13 850 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 },
markrad 0:cdf462088d13 851 { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F,
markrad 0:cdf462088d13 852 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 }
markrad 0:cdf462088d13 853 };
markrad 0:cdf462088d13 854
markrad 0:cdf462088d13 855 static const unsigned char camellia_test_ctr_pt[3][48] =
markrad 0:cdf462088d13 856 {
markrad 0:cdf462088d13 857 { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62,
markrad 0:cdf462088d13 858 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 },
markrad 0:cdf462088d13 859
markrad 0:cdf462088d13 860 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
markrad 0:cdf462088d13 861 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
markrad 0:cdf462088d13 862 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
markrad 0:cdf462088d13 863 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
markrad 0:cdf462088d13 864
markrad 0:cdf462088d13 865 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
markrad 0:cdf462088d13 866 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
markrad 0:cdf462088d13 867 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
markrad 0:cdf462088d13 868 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
markrad 0:cdf462088d13 869 0x20, 0x21, 0x22, 0x23 }
markrad 0:cdf462088d13 870 };
markrad 0:cdf462088d13 871
markrad 0:cdf462088d13 872 static const unsigned char camellia_test_ctr_ct[3][48] =
markrad 0:cdf462088d13 873 {
markrad 0:cdf462088d13 874 { 0xD0, 0x9D, 0xC2, 0x9A, 0x82, 0x14, 0x61, 0x9A,
markrad 0:cdf462088d13 875 0x20, 0x87, 0x7C, 0x76, 0xDB, 0x1F, 0x0B, 0x3F },
markrad 0:cdf462088d13 876 { 0xDB, 0xF3, 0xC7, 0x8D, 0xC0, 0x83, 0x96, 0xD4,
markrad 0:cdf462088d13 877 0xDA, 0x7C, 0x90, 0x77, 0x65, 0xBB, 0xCB, 0x44,
markrad 0:cdf462088d13 878 0x2B, 0x8E, 0x8E, 0x0F, 0x31, 0xF0, 0xDC, 0xA7,
markrad 0:cdf462088d13 879 0x2C, 0x74, 0x17, 0xE3, 0x53, 0x60, 0xE0, 0x48 },
markrad 0:cdf462088d13 880 { 0xB1, 0x9D, 0x1F, 0xCD, 0xCB, 0x75, 0xEB, 0x88,
markrad 0:cdf462088d13 881 0x2F, 0x84, 0x9C, 0xE2, 0x4D, 0x85, 0xCF, 0x73,
markrad 0:cdf462088d13 882 0x9C, 0xE6, 0x4B, 0x2B, 0x5C, 0x9D, 0x73, 0xF1,
markrad 0:cdf462088d13 883 0x4F, 0x2D, 0x5D, 0x9D, 0xCE, 0x98, 0x89, 0xCD,
markrad 0:cdf462088d13 884 0xDF, 0x50, 0x86, 0x96 }
markrad 0:cdf462088d13 885 };
markrad 0:cdf462088d13 886
markrad 0:cdf462088d13 887 static const int camellia_test_ctr_len[3] =
markrad 0:cdf462088d13 888 { 16, 32, 36 };
markrad 0:cdf462088d13 889 #endif /* MBEDTLS_CIPHER_MODE_CTR */
markrad 0:cdf462088d13 890
markrad 0:cdf462088d13 891 /*
markrad 0:cdf462088d13 892 * Checkup routine
markrad 0:cdf462088d13 893 */
markrad 0:cdf462088d13 894 int mbedtls_camellia_self_test( int verbose )
markrad 0:cdf462088d13 895 {
markrad 0:cdf462088d13 896 int i, j, u, v;
markrad 0:cdf462088d13 897 unsigned char key[32];
markrad 0:cdf462088d13 898 unsigned char buf[64];
markrad 0:cdf462088d13 899 unsigned char src[16];
markrad 0:cdf462088d13 900 unsigned char dst[16];
markrad 0:cdf462088d13 901 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 902 unsigned char iv[16];
markrad 0:cdf462088d13 903 #endif
markrad 0:cdf462088d13 904 #if defined(MBEDTLS_CIPHER_MODE_CTR)
markrad 0:cdf462088d13 905 size_t offset, len;
markrad 0:cdf462088d13 906 unsigned char nonce_counter[16];
markrad 0:cdf462088d13 907 unsigned char stream_block[16];
markrad 0:cdf462088d13 908 #endif
markrad 0:cdf462088d13 909
markrad 0:cdf462088d13 910 mbedtls_camellia_context ctx;
markrad 0:cdf462088d13 911
markrad 0:cdf462088d13 912 memset( key, 0, 32 );
markrad 0:cdf462088d13 913
markrad 0:cdf462088d13 914 for( j = 0; j < 6; j++ ) {
markrad 0:cdf462088d13 915 u = j >> 1;
markrad 0:cdf462088d13 916 v = j & 1;
markrad 0:cdf462088d13 917
markrad 0:cdf462088d13 918 if( verbose != 0 )
markrad 0:cdf462088d13 919 mbedtls_printf( " CAMELLIA-ECB-%3d (%s): ", 128 + u * 64,
markrad 0:cdf462088d13 920 (v == MBEDTLS_CAMELLIA_DECRYPT) ? "dec" : "enc");
markrad 0:cdf462088d13 921
markrad 0:cdf462088d13 922 for( i = 0; i < CAMELLIA_TESTS_ECB; i++ ) {
markrad 0:cdf462088d13 923 memcpy( key, camellia_test_ecb_key[u][i], 16 + 8 * u );
markrad 0:cdf462088d13 924
markrad 0:cdf462088d13 925 if( v == MBEDTLS_CAMELLIA_DECRYPT ) {
markrad 0:cdf462088d13 926 mbedtls_camellia_setkey_dec( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 927 memcpy( src, camellia_test_ecb_cipher[u][i], 16 );
markrad 0:cdf462088d13 928 memcpy( dst, camellia_test_ecb_plain[i], 16 );
markrad 0:cdf462088d13 929 } else { /* MBEDTLS_CAMELLIA_ENCRYPT */
markrad 0:cdf462088d13 930 mbedtls_camellia_setkey_enc( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 931 memcpy( src, camellia_test_ecb_plain[i], 16 );
markrad 0:cdf462088d13 932 memcpy( dst, camellia_test_ecb_cipher[u][i], 16 );
markrad 0:cdf462088d13 933 }
markrad 0:cdf462088d13 934
markrad 0:cdf462088d13 935 mbedtls_camellia_crypt_ecb( &ctx, v, src, buf );
markrad 0:cdf462088d13 936
markrad 0:cdf462088d13 937 if( memcmp( buf, dst, 16 ) != 0 )
markrad 0:cdf462088d13 938 {
markrad 0:cdf462088d13 939 if( verbose != 0 )
markrad 0:cdf462088d13 940 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 941
markrad 0:cdf462088d13 942 return( 1 );
markrad 0:cdf462088d13 943 }
markrad 0:cdf462088d13 944 }
markrad 0:cdf462088d13 945
markrad 0:cdf462088d13 946 if( verbose != 0 )
markrad 0:cdf462088d13 947 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 948 }
markrad 0:cdf462088d13 949
markrad 0:cdf462088d13 950 if( verbose != 0 )
markrad 0:cdf462088d13 951 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 952
markrad 0:cdf462088d13 953 #if defined(MBEDTLS_CIPHER_MODE_CBC)
markrad 0:cdf462088d13 954 /*
markrad 0:cdf462088d13 955 * CBC mode
markrad 0:cdf462088d13 956 */
markrad 0:cdf462088d13 957 for( j = 0; j < 6; j++ )
markrad 0:cdf462088d13 958 {
markrad 0:cdf462088d13 959 u = j >> 1;
markrad 0:cdf462088d13 960 v = j & 1;
markrad 0:cdf462088d13 961
markrad 0:cdf462088d13 962 if( verbose != 0 )
markrad 0:cdf462088d13 963 mbedtls_printf( " CAMELLIA-CBC-%3d (%s): ", 128 + u * 64,
markrad 0:cdf462088d13 964 ( v == MBEDTLS_CAMELLIA_DECRYPT ) ? "dec" : "enc" );
markrad 0:cdf462088d13 965
markrad 0:cdf462088d13 966 memcpy( src, camellia_test_cbc_iv, 16 );
markrad 0:cdf462088d13 967 memcpy( dst, camellia_test_cbc_iv, 16 );
markrad 0:cdf462088d13 968 memcpy( key, camellia_test_cbc_key[u], 16 + 8 * u );
markrad 0:cdf462088d13 969
markrad 0:cdf462088d13 970 if( v == MBEDTLS_CAMELLIA_DECRYPT ) {
markrad 0:cdf462088d13 971 mbedtls_camellia_setkey_dec( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 972 } else {
markrad 0:cdf462088d13 973 mbedtls_camellia_setkey_enc( &ctx, key, 128 + u * 64 );
markrad 0:cdf462088d13 974 }
markrad 0:cdf462088d13 975
markrad 0:cdf462088d13 976 for( i = 0; i < CAMELLIA_TESTS_CBC; i++ ) {
markrad 0:cdf462088d13 977
markrad 0:cdf462088d13 978 if( v == MBEDTLS_CAMELLIA_DECRYPT ) {
markrad 0:cdf462088d13 979 memcpy( iv , src, 16 );
markrad 0:cdf462088d13 980 memcpy( src, camellia_test_cbc_cipher[u][i], 16 );
markrad 0:cdf462088d13 981 memcpy( dst, camellia_test_cbc_plain[i], 16 );
markrad 0:cdf462088d13 982 } else { /* MBEDTLS_CAMELLIA_ENCRYPT */
markrad 0:cdf462088d13 983 memcpy( iv , dst, 16 );
markrad 0:cdf462088d13 984 memcpy( src, camellia_test_cbc_plain[i], 16 );
markrad 0:cdf462088d13 985 memcpy( dst, camellia_test_cbc_cipher[u][i], 16 );
markrad 0:cdf462088d13 986 }
markrad 0:cdf462088d13 987
markrad 0:cdf462088d13 988 mbedtls_camellia_crypt_cbc( &ctx, v, 16, iv, src, buf );
markrad 0:cdf462088d13 989
markrad 0:cdf462088d13 990 if( memcmp( buf, dst, 16 ) != 0 )
markrad 0:cdf462088d13 991 {
markrad 0:cdf462088d13 992 if( verbose != 0 )
markrad 0:cdf462088d13 993 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 994
markrad 0:cdf462088d13 995 return( 1 );
markrad 0:cdf462088d13 996 }
markrad 0:cdf462088d13 997 }
markrad 0:cdf462088d13 998
markrad 0:cdf462088d13 999 if( verbose != 0 )
markrad 0:cdf462088d13 1000 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 1001 }
markrad 0:cdf462088d13 1002 #endif /* MBEDTLS_CIPHER_MODE_CBC */
markrad 0:cdf462088d13 1003
markrad 0:cdf462088d13 1004 if( verbose != 0 )
markrad 0:cdf462088d13 1005 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 1006
markrad 0:cdf462088d13 1007 #if defined(MBEDTLS_CIPHER_MODE_CTR)
markrad 0:cdf462088d13 1008 /*
markrad 0:cdf462088d13 1009 * CTR mode
markrad 0:cdf462088d13 1010 */
markrad 0:cdf462088d13 1011 for( i = 0; i < 6; i++ )
markrad 0:cdf462088d13 1012 {
markrad 0:cdf462088d13 1013 u = i >> 1;
markrad 0:cdf462088d13 1014 v = i & 1;
markrad 0:cdf462088d13 1015
markrad 0:cdf462088d13 1016 if( verbose != 0 )
markrad 0:cdf462088d13 1017 mbedtls_printf( " CAMELLIA-CTR-128 (%s): ",
markrad 0:cdf462088d13 1018 ( v == MBEDTLS_CAMELLIA_DECRYPT ) ? "dec" : "enc" );
markrad 0:cdf462088d13 1019
markrad 0:cdf462088d13 1020 memcpy( nonce_counter, camellia_test_ctr_nonce_counter[u], 16 );
markrad 0:cdf462088d13 1021 memcpy( key, camellia_test_ctr_key[u], 16 );
markrad 0:cdf462088d13 1022
markrad 0:cdf462088d13 1023 offset = 0;
markrad 0:cdf462088d13 1024 mbedtls_camellia_setkey_enc( &ctx, key, 128 );
markrad 0:cdf462088d13 1025
markrad 0:cdf462088d13 1026 if( v == MBEDTLS_CAMELLIA_DECRYPT )
markrad 0:cdf462088d13 1027 {
markrad 0:cdf462088d13 1028 len = camellia_test_ctr_len[u];
markrad 0:cdf462088d13 1029 memcpy( buf, camellia_test_ctr_ct[u], len );
markrad 0:cdf462088d13 1030
markrad 0:cdf462088d13 1031 mbedtls_camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
markrad 0:cdf462088d13 1032 buf, buf );
markrad 0:cdf462088d13 1033
markrad 0:cdf462088d13 1034 if( memcmp( buf, camellia_test_ctr_pt[u], len ) != 0 )
markrad 0:cdf462088d13 1035 {
markrad 0:cdf462088d13 1036 if( verbose != 0 )
markrad 0:cdf462088d13 1037 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1038
markrad 0:cdf462088d13 1039 return( 1 );
markrad 0:cdf462088d13 1040 }
markrad 0:cdf462088d13 1041 }
markrad 0:cdf462088d13 1042 else
markrad 0:cdf462088d13 1043 {
markrad 0:cdf462088d13 1044 len = camellia_test_ctr_len[u];
markrad 0:cdf462088d13 1045 memcpy( buf, camellia_test_ctr_pt[u], len );
markrad 0:cdf462088d13 1046
markrad 0:cdf462088d13 1047 mbedtls_camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block,
markrad 0:cdf462088d13 1048 buf, buf );
markrad 0:cdf462088d13 1049
markrad 0:cdf462088d13 1050 if( memcmp( buf, camellia_test_ctr_ct[u], len ) != 0 )
markrad 0:cdf462088d13 1051 {
markrad 0:cdf462088d13 1052 if( verbose != 0 )
markrad 0:cdf462088d13 1053 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 1054
markrad 0:cdf462088d13 1055 return( 1 );
markrad 0:cdf462088d13 1056 }
markrad 0:cdf462088d13 1057 }
markrad 0:cdf462088d13 1058
markrad 0:cdf462088d13 1059 if( verbose != 0 )
markrad 0:cdf462088d13 1060 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 1061 }
markrad 0:cdf462088d13 1062
markrad 0:cdf462088d13 1063 if( verbose != 0 )
markrad 0:cdf462088d13 1064 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 1065 #endif /* MBEDTLS_CIPHER_MODE_CTR */
markrad 0:cdf462088d13 1066
markrad 0:cdf462088d13 1067 return( 0 );
markrad 0:cdf462088d13 1068 }
markrad 0:cdf462088d13 1069
markrad 0:cdf462088d13 1070 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 1071
markrad 0:cdf462088d13 1072 #endif /* MBEDTLS_CAMELLIA_C */