/* | |
* Camellia implementation | |
* | |
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved | |
* SPDX-License-Identifier: Apache-2.0 | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); you may | |
* not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | |
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
* | |
* This file is part of mbed TLS (https://tls.mbed.org) | |
*/ | |
/* | |
* The Camellia block cipher was designed by NTT and Mitsubishi Electric | |
* Corporation. | |
* | |
* http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/01espec.pdf | |
*/ | |
#if !defined(MBEDTLS_CONFIG_FILE) | |
#include "mbedtls/config.h" | |
#else | |
#include MBEDTLS_CONFIG_FILE | |
#endif | |
#if defined(MBEDTLS_CAMELLIA_C) | |
#include "mbedtls/camellia.h" | |
#include "mbedtls/platform_util.h" | |
#include <string.h> | |
#if defined(MBEDTLS_SELF_TEST) | |
#if defined(MBEDTLS_PLATFORM_C) | |
#include "mbedtls/platform.h" | |
#else | |
#include <stdio.h> | |
#define mbedtls_printf printf | |
#endif /* MBEDTLS_PLATFORM_C */ | |
#endif /* MBEDTLS_SELF_TEST */ | |
#if !defined(MBEDTLS_CAMELLIA_ALT) | |
/* Parameter validation macros */ | |
#define CAMELLIA_VALIDATE_RET( cond ) \ | |
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA ) | |
#define CAMELLIA_VALIDATE( cond ) \ | |
MBEDTLS_INTERNAL_VALIDATE( cond ) | |
/* | |
* 32-bit integer manipulation macros (big endian) | |
*/ | |
#ifndef GET_UINT32_BE | |
#define GET_UINT32_BE(n,b,i) \ | |
{ \ | |
(n) = ( (uint32_t) (b)[(i) ] << 24 ) \ | |
| ( (uint32_t) (b)[(i) + 1] << 16 ) \ | |
| ( (uint32_t) (b)[(i) + 2] << 8 ) \ | |
| ( (uint32_t) (b)[(i) + 3] ); \ | |
} | |
#endif | |
#ifndef PUT_UINT32_BE | |
#define PUT_UINT32_BE(n,b,i) \ | |
{ \ | |
(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ | |
(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ | |
(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ | |
(b)[(i) + 3] = (unsigned char) ( (n) ); \ | |
} | |
#endif | |
static const unsigned char SIGMA_CHARS[6][8] = | |
{ | |
{ 0xa0, 0x9e, 0x66, 0x7f, 0x3b, 0xcc, 0x90, 0x8b }, | |
{ 0xb6, 0x7a, 0xe8, 0x58, 0x4c, 0xaa, 0x73, 0xb2 }, | |
{ 0xc6, 0xef, 0x37, 0x2f, 0xe9, 0x4f, 0x82, 0xbe }, | |
{ 0x54, 0xff, 0x53, 0xa5, 0xf1, 0xd3, 0x6f, 0x1c }, | |
{ 0x10, 0xe5, 0x27, 0xfa, 0xde, 0x68, 0x2d, 0x1d }, | |
{ 0xb0, 0x56, 0x88, 0xc2, 0xb3, 0xe6, 0xc1, 0xfd } | |
}; | |
#if defined(MBEDTLS_CAMELLIA_SMALL_MEMORY) | |
static const unsigned char FSb[256] = | |
{ | |
112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65, | |
35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189, | |
134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26, | |
166,225, 57,202,213, 71, 93, 61,217, 1, 90,214, 81, 86,108, 77, | |
139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153, | |
223, 76,203,194, 52,126,118, 5,109,183,169, 49,209, 23, 4,215, | |
20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34, | |
254, 68,207,178,195,181,122,145, 36, 8,232,168, 96,252,105, 80, | |
170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210, | |
16,196, 0, 72,163,247,117,219,138, 3,230,218, 9, 63,221,148, | |
135, 92,131, 2,205, 74,144, 51,115,103,246,243,157,127,191,226, | |
82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46, | |
233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89, | |
120,152, 6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250, | |
114, 7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164, | |
64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158 | |
}; | |
#define SBOX1(n) FSb[(n)] | |
#define SBOX2(n) (unsigned char)((FSb[(n)] >> 7 ^ FSb[(n)] << 1) & 0xff) | |
#define SBOX3(n) (unsigned char)((FSb[(n)] >> 1 ^ FSb[(n)] << 7) & 0xff) | |
#define SBOX4(n) FSb[((n) << 1 ^ (n) >> 7) &0xff] | |
#else /* MBEDTLS_CAMELLIA_SMALL_MEMORY */ | |
static const unsigned char FSb[256] = | |
{ | |
112, 130, 44, 236, 179, 39, 192, 229, 228, 133, 87, 53, 234, 12, 174, 65, | |
35, 239, 107, 147, 69, 25, 165, 33, 237, 14, 79, 78, 29, 101, 146, 189, | |
134, 184, 175, 143, 124, 235, 31, 206, 62, 48, 220, 95, 94, 197, 11, 26, | |
166, 225, 57, 202, 213, 71, 93, 61, 217, 1, 90, 214, 81, 86, 108, 77, | |
139, 13, 154, 102, 251, 204, 176, 45, 116, 18, 43, 32, 240, 177, 132, 153, | |
223, 76, 203, 194, 52, 126, 118, 5, 109, 183, 169, 49, 209, 23, 4, 215, | |
20, 88, 58, 97, 222, 27, 17, 28, 50, 15, 156, 22, 83, 24, 242, 34, | |
254, 68, 207, 178, 195, 181, 122, 145, 36, 8, 232, 168, 96, 252, 105, 80, | |
170, 208, 160, 125, 161, 137, 98, 151, 84, 91, 30, 149, 224, 255, 100, 210, | |
16, 196, 0, 72, 163, 247, 117, 219, 138, 3, 230, 218, 9, 63, 221, 148, | |
135, 92, 131, 2, 205, 74, 144, 51, 115, 103, 246, 243, 157, 127, 191, 226, | |
82, 155, 216, 38, 200, 55, 198, 59, 129, 150, 111, 75, 19, 190, 99, 46, | |
233, 121, 167, 140, 159, 110, 188, 142, 41, 245, 249, 182, 47, 253, 180, 89, | |
120, 152, 6, 106, 231, 70, 113, 186, 212, 37, 171, 66, 136, 162, 141, 250, | |
114, 7, 185, 85, 248, 238, 172, 10, 54, 73, 42, 104, 60, 56, 241, 164, | |
64, 40, 211, 123, 187, 201, 67, 193, 21, 227, 173, 244, 119, 199, 128, 158 | |
}; | |
static const unsigned char FSb2[256] = | |
{ | |
224, 5, 88, 217, 103, 78, 129, 203, 201, 11, 174, 106, 213, 24, 93, 130, | |
70, 223, 214, 39, 138, 50, 75, 66, 219, 28, 158, 156, 58, 202, 37, 123, | |
13, 113, 95, 31, 248, 215, 62, 157, 124, 96, 185, 190, 188, 139, 22, 52, | |
77, 195, 114, 149, 171, 142, 186, 122, 179, 2, 180, 173, 162, 172, 216, 154, | |
23, 26, 53, 204, 247, 153, 97, 90, 232, 36, 86, 64, 225, 99, 9, 51, | |
191, 152, 151, 133, 104, 252, 236, 10, 218, 111, 83, 98, 163, 46, 8, 175, | |
40, 176, 116, 194, 189, 54, 34, 56, 100, 30, 57, 44, 166, 48, 229, 68, | |
253, 136, 159, 101, 135, 107, 244, 35, 72, 16, 209, 81, 192, 249, 210, 160, | |
85, 161, 65, 250, 67, 19, 196, 47, 168, 182, 60, 43, 193, 255, 200, 165, | |
32, 137, 0, 144, 71, 239, 234, 183, 21, 6, 205, 181, 18, 126, 187, 41, | |
15, 184, 7, 4, 155, 148, 33, 102, 230, 206, 237, 231, 59, 254, 127, 197, | |
164, 55, 177, 76, 145, 110, 141, 118, 3, 45, 222, 150, 38, 125, 198, 92, | |
211, 242, 79, 25, 63, 220, 121, 29, 82, 235, 243, 109, 94, 251, 105, 178, | |
240, 49, 12, 212, 207, 140, 226, 117, 169, 74, 87, 132, 17, 69, 27, 245, | |
228, 14, 115, 170, 241, 221, 89, 20, 108, 146, 84, 208, 120, 112, 227, 73, | |
128, 80, 167, 246, 119, 147, 134, 131, 42, 199, 91, 233, 238, 143, 1, 61 | |
}; | |
static const unsigned char FSb3[256] = | |
{ | |
56, 65, 22, 118, 217, 147, 96, 242, 114, 194, 171, 154, 117, 6, 87, 160, | |
145, 247, 181, 201, 162, 140, 210, 144, 246, 7, 167, 39, 142, 178, 73, 222, | |
67, 92, 215, 199, 62, 245, 143, 103, 31, 24, 110, 175, 47, 226, 133, 13, | |
83, 240, 156, 101, 234, 163, 174, 158, 236, 128, 45, 107, 168, 43, 54, 166, | |
197, 134, 77, 51, 253, 102, 88, 150, 58, 9, 149, 16, 120, 216, 66, 204, | |
239, 38, 229, 97, 26, 63, 59, 130, 182, 219, 212, 152, 232, 139, 2, 235, | |
10, 44, 29, 176, 111, 141, 136, 14, 25, 135, 78, 11, 169, 12, 121, 17, | |
127, 34, 231, 89, 225, 218, 61, 200, 18, 4, 116, 84, 48, 126, 180, 40, | |
85, 104, 80, 190, 208, 196, 49, 203, 42, 173, 15, 202, 112, 255, 50, 105, | |
8, 98, 0, 36, 209, 251, 186, 237, 69, 129, 115, 109, 132, 159, 238, 74, | |
195, 46, 193, 1, 230, 37, 72, 153, 185, 179, 123, 249, 206, 191, 223, 113, | |
41, 205, 108, 19, 100, 155, 99, 157, 192, 75, 183, 165, 137, 95, 177, 23, | |
244, 188, 211, 70, 207, 55, 94, 71, 148, 250, 252, 91, 151, 254, 90, 172, | |
60, 76, 3, 53, 243, 35, 184, 93, 106, 146, 213, 33, 68, 81, 198, 125, | |
57, 131, 220, 170, 124, 119, 86, 5, 27, 164, 21, 52, 30, 28, 248, 82, | |
32, 20, 233, 189, 221, 228, 161, 224, 138, 241, 214, 122, 187, 227, 64, 79 | |
}; | |
static const unsigned char FSb4[256] = | |
{ | |
112, 44, 179, 192, 228, 87, 234, 174, 35, 107, 69, 165, 237, 79, 29, 146, | |
134, 175, 124, 31, 62, 220, 94, 11, 166, 57, 213, 93, 217, 90, 81, 108, | |
139, 154, 251, 176, 116, 43, 240, 132, 223, 203, 52, 118, 109, 169, 209, 4, | |
20, 58, 222, 17, 50, 156, 83, 242, 254, 207, 195, 122, 36, 232, 96, 105, | |
170, 160, 161, 98, 84, 30, 224, 100, 16, 0, 163, 117, 138, 230, 9, 221, | |
135, 131, 205, 144, 115, 246, 157, 191, 82, 216, 200, 198, 129, 111, 19, 99, | |
233, 167, 159, 188, 41, 249, 47, 180, 120, 6, 231, 113, 212, 171, 136, 141, | |
114, 185, 248, 172, 54, 42, 60, 241, 64, 211, 187, 67, 21, 173, 119, 128, | |
130, 236, 39, 229, 133, 53, 12, 65, 239, 147, 25, 33, 14, 78, 101, 189, | |
184, 143, 235, 206, 48, 95, 197, 26, 225, 202, 71, 61, 1, 214, 86, 77, | |
13, 102, 204, 45, 18, 32, 177, 153, 76, 194, 126, 5, 183, 49, 23, 215, | |
88, 97, 27, 28, 15, 22, 24, 34, 68, 178, 181, 145, 8, 168, 252, 80, | |
208, 125, 137, 151, 91, 149, 255, 210, 196, 72, 247, 219, 3, 218, 63, 148, | |
92, 2, 74, 51, 103, 243, 127, 226, 155, 38, 55, 59, 150, 75, 190, 46, | |
121, 140, 110, 142, 245, 182, 253, 89, 152, 106, 70, 186, 37, 66, 162, 250, | |
7, 85, 238, 10, 73, 104, 56, 164, 40, 123, 201, 193, 227, 244, 199, 158 | |
}; | |
#define SBOX1(n) FSb[(n)] | |
#define SBOX2(n) FSb2[(n)] | |
#define SBOX3(n) FSb3[(n)] | |
#define SBOX4(n) FSb4[(n)] | |
#endif /* MBEDTLS_CAMELLIA_SMALL_MEMORY */ | |
static const unsigned char shifts[2][4][4] = | |
{ | |
{ | |
{ 1, 1, 1, 1 }, /* KL */ | |
{ 0, 0, 0, 0 }, /* KR */ | |
{ 1, 1, 1, 1 }, /* KA */ | |
{ 0, 0, 0, 0 } /* KB */ | |
}, | |
{ | |
{ 1, 0, 1, 1 }, /* KL */ | |
{ 1, 1, 0, 1 }, /* KR */ | |
{ 1, 1, 1, 0 }, /* KA */ | |
{ 1, 1, 0, 1 } /* KB */ | |
} | |
}; | |
static const signed char indexes[2][4][20] = | |
{ | |
{ | |
{ 0, 1, 2, 3, 8, 9, 10, 11, 38, 39, | |
36, 37, 23, 20, 21, 22, 27, -1, -1, 26 }, /* KL -> RK */ | |
{ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, /* KR -> RK */ | |
{ 4, 5, 6, 7, 12, 13, 14, 15, 16, 17, | |
18, 19, -1, 24, 25, -1, 31, 28, 29, 30 }, /* KA -> RK */ | |
{ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | |
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } /* KB -> RK */ | |
}, | |
{ | |
{ 0, 1, 2, 3, 61, 62, 63, 60, -1, -1, | |
-1, -1, 27, 24, 25, 26, 35, 32, 33, 34 }, /* KL -> RK */ | |
{ -1, -1, -1, -1, 8, 9, 10, 11, 16, 17, | |
18, 19, -1, -1, -1, -1, 39, 36, 37, 38 }, /* KR -> RK */ | |
{ -1, -1, -1, -1, 12, 13, 14, 15, 58, 59, | |
56, 57, 31, 28, 29, 30, -1, -1, -1, -1 }, /* KA -> RK */ | |
{ 4, 5, 6, 7, 65, 66, 67, 64, 20, 21, | |
22, 23, -1, -1, -1, -1, 43, 40, 41, 42 } /* KB -> RK */ | |
} | |
}; | |
static const signed char transposes[2][20] = | |
{ | |
{ | |
21, 22, 23, 20, | |
-1, -1, -1, -1, | |
18, 19, 16, 17, | |
11, 8, 9, 10, | |
15, 12, 13, 14 | |
}, | |
{ | |
25, 26, 27, 24, | |
29, 30, 31, 28, | |
18, 19, 16, 17, | |
-1, -1, -1, -1, | |
-1, -1, -1, -1 | |
} | |
}; | |
/* Shift macro for 128 bit strings with rotation smaller than 32 bits (!) */ | |
#define ROTL(DEST, SRC, SHIFT) \ | |
{ \ | |
(DEST)[0] = (SRC)[0] << (SHIFT) ^ (SRC)[1] >> (32 - (SHIFT)); \ | |
(DEST)[1] = (SRC)[1] << (SHIFT) ^ (SRC)[2] >> (32 - (SHIFT)); \ | |
(DEST)[2] = (SRC)[2] << (SHIFT) ^ (SRC)[3] >> (32 - (SHIFT)); \ | |
(DEST)[3] = (SRC)[3] << (SHIFT) ^ (SRC)[0] >> (32 - (SHIFT)); \ | |
} | |
#define FL(XL, XR, KL, KR) \ | |
{ \ | |
(XR) = ((((XL) & (KL)) << 1) | (((XL) & (KL)) >> 31)) ^ (XR); \ | |
(XL) = ((XR) | (KR)) ^ (XL); \ | |
} | |
#define FLInv(YL, YR, KL, KR) \ | |
{ \ | |
(YL) = ((YR) | (KR)) ^ (YL); \ | |
(YR) = ((((YL) & (KL)) << 1) | (((YL) & (KL)) >> 31)) ^ (YR); \ | |
} | |
#define SHIFT_AND_PLACE(INDEX, OFFSET) \ | |
{ \ | |
TK[0] = KC[(OFFSET) * 4 + 0]; \ | |
TK[1] = KC[(OFFSET) * 4 + 1]; \ | |
TK[2] = KC[(OFFSET) * 4 + 2]; \ | |
TK[3] = KC[(OFFSET) * 4 + 3]; \ | |
\ | |
for( i = 1; i <= 4; i++ ) \ | |
if( shifts[(INDEX)][(OFFSET)][i -1] ) \ | |
ROTL(TK + i * 4, TK, ( 15 * i ) % 32); \ | |
\ | |
for( i = 0; i < 20; i++ ) \ | |
if( indexes[(INDEX)][(OFFSET)][i] != -1 ) { \ | |
RK[indexes[(INDEX)][(OFFSET)][i]] = TK[ i ]; \ | |
} \ | |
} | |
static void camellia_feistel( const uint32_t x[2], const uint32_t k[2], | |
uint32_t z[2]) | |
{ | |
uint32_t I0, I1; | |
I0 = x[0] ^ k[0]; | |
I1 = x[1] ^ k[1]; | |
I0 = ((uint32_t) SBOX1((I0 >> 24) & 0xFF) << 24) | | |
((uint32_t) SBOX2((I0 >> 16) & 0xFF) << 16) | | |
((uint32_t) SBOX3((I0 >> 8) & 0xFF) << 8) | | |
((uint32_t) SBOX4((I0 ) & 0xFF) ); | |
I1 = ((uint32_t) SBOX2((I1 >> 24) & 0xFF) << 24) | | |
((uint32_t) SBOX3((I1 >> 16) & 0xFF) << 16) | | |
((uint32_t) SBOX4((I1 >> 8) & 0xFF) << 8) | | |
((uint32_t) SBOX1((I1 ) & 0xFF) ); | |
I0 ^= (I1 << 8) | (I1 >> 24); | |
I1 ^= (I0 << 16) | (I0 >> 16); | |
I0 ^= (I1 >> 8) | (I1 << 24); | |
I1 ^= (I0 >> 8) | (I0 << 24); | |
z[0] ^= I1; | |
z[1] ^= I0; | |
} | |
void mbedtls_camellia_init( mbedtls_camellia_context *ctx ) | |
{ | |
CAMELLIA_VALIDATE( ctx != NULL ); | |
memset( ctx, 0, sizeof( mbedtls_camellia_context ) ); | |
} | |
void mbedtls_camellia_free( mbedtls_camellia_context *ctx ) | |
{ | |
if( ctx == NULL ) | |
return; | |
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_camellia_context ) ); | |
} | |
/* | |
* Camellia key schedule (encryption) | |
*/ | |
int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, | |
const unsigned char *key, | |
unsigned int keybits ) | |
{ | |
int idx; | |
size_t i; | |
uint32_t *RK; | |
unsigned char t[64]; | |
uint32_t SIGMA[6][2]; | |
uint32_t KC[16]; | |
uint32_t TK[20]; | |
CAMELLIA_VALIDATE_RET( ctx != NULL ); | |
CAMELLIA_VALIDATE_RET( key != NULL ); | |
RK = ctx->rk; | |
memset( t, 0, 64 ); | |
memset( RK, 0, sizeof(ctx->rk) ); | |
switch( keybits ) | |
{ | |
case 128: ctx->nr = 3; idx = 0; break; | |
case 192: | |
case 256: ctx->nr = 4; idx = 1; break; | |
default : return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA ); | |
} | |
for( i = 0; i < keybits / 8; ++i ) | |
t[i] = key[i]; | |
if( keybits == 192 ) { | |
for( i = 0; i < 8; i++ ) | |
t[24 + i] = ~t[16 + i]; | |
} | |
/* | |
* Prepare SIGMA values | |
*/ | |
for( i = 0; i < 6; i++ ) { | |
GET_UINT32_BE( SIGMA[i][0], SIGMA_CHARS[i], 0 ); | |
GET_UINT32_BE( SIGMA[i][1], SIGMA_CHARS[i], 4 ); | |
} | |
/* | |
* Key storage in KC | |
* Order: KL, KR, KA, KB | |
*/ | |
memset( KC, 0, sizeof(KC) ); | |
/* Store KL, KR */ | |
for( i = 0; i < 8; i++ ) | |
GET_UINT32_BE( KC[i], t, i * 4 ); | |
/* Generate KA */ | |
for( i = 0; i < 4; ++i ) | |
KC[8 + i] = KC[i] ^ KC[4 + i]; | |
camellia_feistel( KC + 8, SIGMA[0], KC + 10 ); | |
camellia_feistel( KC + 10, SIGMA[1], KC + 8 ); | |
for( i = 0; i < 4; ++i ) | |
KC[8 + i] ^= KC[i]; | |
camellia_feistel( KC + 8, SIGMA[2], KC + 10 ); | |
camellia_feistel( KC + 10, SIGMA[3], KC + 8 ); | |
if( keybits > 128 ) { | |
/* Generate KB */ | |
for( i = 0; i < 4; ++i ) | |
KC[12 + i] = KC[4 + i] ^ KC[8 + i]; | |
camellia_feistel( KC + 12, SIGMA[4], KC + 14 ); | |
camellia_feistel( KC + 14, SIGMA[5], KC + 12 ); | |
} | |
/* | |
* Generating subkeys | |
*/ | |
/* Manipulating KL */ | |
SHIFT_AND_PLACE( idx, 0 ); | |
/* Manipulating KR */ | |
if( keybits > 128 ) { | |
SHIFT_AND_PLACE( idx, 1 ); | |
} | |
/* Manipulating KA */ | |
SHIFT_AND_PLACE( idx, 2 ); | |
/* Manipulating KB */ | |
if( keybits > 128 ) { | |
SHIFT_AND_PLACE( idx, 3 ); | |
} | |
/* Do transpositions */ | |
for( i = 0; i < 20; i++ ) { | |
if( transposes[idx][i] != -1 ) { | |
RK[32 + 12 * idx + i] = RK[transposes[idx][i]]; | |
} | |
} | |
return( 0 ); | |
} | |
/* | |
* Camellia key schedule (decryption) | |
*/ | |
int mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx, | |
const unsigned char *key, | |
unsigned int keybits ) | |
{ | |
int idx, ret; | |
size_t i; | |
mbedtls_camellia_context cty; | |
uint32_t *RK; | |
uint32_t *SK; | |
CAMELLIA_VALIDATE_RET( ctx != NULL ); | |
CAMELLIA_VALIDATE_RET( key != NULL ); | |
mbedtls_camellia_init( &cty ); | |
/* Also checks keybits */ | |
if( ( ret = mbedtls_camellia_setkey_enc( &cty, key, keybits ) ) != 0 ) | |
goto exit; | |
ctx->nr = cty.nr; | |
idx = ( ctx->nr == 4 ); | |
RK = ctx->rk; | |
SK = cty.rk + 24 * 2 + 8 * idx * 2; | |
*RK++ = *SK++; | |
*RK++ = *SK++; | |
*RK++ = *SK++; | |
*RK++ = *SK++; | |
for( i = 22 + 8 * idx, SK -= 6; i > 0; i--, SK -= 4 ) | |
{ | |
*RK++ = *SK++; | |
*RK++ = *SK++; | |
} | |
SK -= 2; | |
*RK++ = *SK++; | |
*RK++ = *SK++; | |
*RK++ = *SK++; | |
*RK++ = *SK++; | |
exit: | |
mbedtls_camellia_free( &cty ); | |
return( ret ); | |
} | |
/* | |
* Camellia-ECB block encryption/decryption | |
*/ | |
int mbedtls_camellia_crypt_ecb( mbedtls_camellia_context *ctx, | |
int mode, | |
const unsigned char input[16], | |
unsigned char output[16] ) | |
{ | |
int NR; | |
uint32_t *RK, X[4]; | |
CAMELLIA_VALIDATE_RET( ctx != NULL ); | |
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT || | |
mode == MBEDTLS_CAMELLIA_DECRYPT ); | |
CAMELLIA_VALIDATE_RET( input != NULL ); | |
CAMELLIA_VALIDATE_RET( output != NULL ); | |
( (void) mode ); | |
NR = ctx->nr; | |
RK = ctx->rk; | |
GET_UINT32_BE( X[0], input, 0 ); | |
GET_UINT32_BE( X[1], input, 4 ); | |
GET_UINT32_BE( X[2], input, 8 ); | |
GET_UINT32_BE( X[3], input, 12 ); | |
X[0] ^= *RK++; | |
X[1] ^= *RK++; | |
X[2] ^= *RK++; | |
X[3] ^= *RK++; | |
while( NR ) { | |
--NR; | |
camellia_feistel( X, RK, X + 2 ); | |
RK += 2; | |
camellia_feistel( X + 2, RK, X ); | |
RK += 2; | |
camellia_feistel( X, RK, X + 2 ); | |
RK += 2; | |
camellia_feistel( X + 2, RK, X ); | |
RK += 2; | |
camellia_feistel( X, RK, X + 2 ); | |
RK += 2; | |
camellia_feistel( X + 2, RK, X ); | |
RK += 2; | |
if( NR ) { | |
FL(X[0], X[1], RK[0], RK[1]); | |
RK += 2; | |
FLInv(X[2], X[3], RK[0], RK[1]); | |
RK += 2; | |
} | |
} | |
X[2] ^= *RK++; | |
X[3] ^= *RK++; | |
X[0] ^= *RK++; | |
X[1] ^= *RK++; | |
PUT_UINT32_BE( X[2], output, 0 ); | |
PUT_UINT32_BE( X[3], output, 4 ); | |
PUT_UINT32_BE( X[0], output, 8 ); | |
PUT_UINT32_BE( X[1], output, 12 ); | |
return( 0 ); | |
} | |
#if defined(MBEDTLS_CIPHER_MODE_CBC) | |
/* | |
* Camellia-CBC buffer encryption/decryption | |
*/ | |
int mbedtls_camellia_crypt_cbc( mbedtls_camellia_context *ctx, | |
int mode, | |
size_t length, | |
unsigned char iv[16], | |
const unsigned char *input, | |
unsigned char *output ) | |
{ | |
int i; | |
unsigned char temp[16]; | |
CAMELLIA_VALIDATE_RET( ctx != NULL ); | |
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT || | |
mode == MBEDTLS_CAMELLIA_DECRYPT ); | |
CAMELLIA_VALIDATE_RET( iv != NULL ); | |
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL ); | |
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL ); | |
if( length % 16 ) | |
return( MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH ); | |
if( mode == MBEDTLS_CAMELLIA_DECRYPT ) | |
{ | |
while( length > 0 ) | |
{ | |
memcpy( temp, input, 16 ); | |
mbedtls_camellia_crypt_ecb( ctx, mode, input, output ); | |
for( i = 0; i < 16; i++ ) | |
output[i] = (unsigned char)( output[i] ^ iv[i] ); | |
memcpy( iv, temp, 16 ); | |
input += 16; | |
output += 16; | |
length -= 16; | |
} | |
} | |
else | |
{ | |
while( length > 0 ) | |
{ | |
for( i = 0; i < 16; i++ ) | |
output[i] = (unsigned char)( input[i] ^ iv[i] ); | |
mbedtls_camellia_crypt_ecb( ctx, mode, output, output ); | |
memcpy( iv, output, 16 ); | |
input += 16; | |
output += 16; | |
length -= 16; | |
} | |
} | |
return( 0 ); | |
} | |
#endif /* MBEDTLS_CIPHER_MODE_CBC */ | |
#if defined(MBEDTLS_CIPHER_MODE_CFB) | |
/* | |
* Camellia-CFB128 buffer encryption/decryption | |
*/ | |
int mbedtls_camellia_crypt_cfb128( mbedtls_camellia_context *ctx, | |
int mode, | |
size_t length, | |
size_t *iv_off, | |
unsigned char iv[16], | |
const unsigned char *input, | |
unsigned char *output ) | |
{ | |
int c; | |
size_t n; | |
CAMELLIA_VALIDATE_RET( ctx != NULL ); | |
CAMELLIA_VALIDATE_RET( mode == MBEDTLS_CAMELLIA_ENCRYPT || | |
mode == MBEDTLS_CAMELLIA_DECRYPT ); | |
CAMELLIA_VALIDATE_RET( iv != NULL ); | |
CAMELLIA_VALIDATE_RET( iv_off != NULL ); | |
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL ); | |
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL ); | |
n = *iv_off; | |
if( n >= 16 ) | |
return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA ); | |
if( mode == MBEDTLS_CAMELLIA_DECRYPT ) | |
{ | |
while( length-- ) | |
{ | |
if( n == 0 ) | |
mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, iv, iv ); | |
c = *input++; | |
*output++ = (unsigned char)( c ^ iv[n] ); | |
iv[n] = (unsigned char) c; | |
n = ( n + 1 ) & 0x0F; | |
} | |
} | |
else | |
{ | |
while( length-- ) | |
{ | |
if( n == 0 ) | |
mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, iv, iv ); | |
iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ ); | |
n = ( n + 1 ) & 0x0F; | |
} | |
} | |
*iv_off = n; | |
return( 0 ); | |
} | |
#endif /* MBEDTLS_CIPHER_MODE_CFB */ | |
#if defined(MBEDTLS_CIPHER_MODE_CTR) | |
/* | |
* Camellia-CTR buffer encryption/decryption | |
*/ | |
int mbedtls_camellia_crypt_ctr( mbedtls_camellia_context *ctx, | |
size_t length, | |
size_t *nc_off, | |
unsigned char nonce_counter[16], | |
unsigned char stream_block[16], | |
const unsigned char *input, | |
unsigned char *output ) | |
{ | |
int c, i; | |
size_t n; | |
CAMELLIA_VALIDATE_RET( ctx != NULL ); | |
CAMELLIA_VALIDATE_RET( nonce_counter != NULL ); | |
CAMELLIA_VALIDATE_RET( stream_block != NULL ); | |
CAMELLIA_VALIDATE_RET( nc_off != NULL ); | |
CAMELLIA_VALIDATE_RET( length == 0 || input != NULL ); | |
CAMELLIA_VALIDATE_RET( length == 0 || output != NULL ); | |
n = *nc_off; | |
if( n >= 16 ) | |
return( MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA ); | |
while( length-- ) | |
{ | |
if( n == 0 ) { | |
mbedtls_camellia_crypt_ecb( ctx, MBEDTLS_CAMELLIA_ENCRYPT, nonce_counter, | |
stream_block ); | |
for( i = 16; i > 0; i-- ) | |
if( ++nonce_counter[i - 1] != 0 ) | |
break; | |
} | |
c = *input++; | |
*output++ = (unsigned char)( c ^ stream_block[n] ); | |
n = ( n + 1 ) & 0x0F; | |
} | |
*nc_off = n; | |
return( 0 ); | |
} | |
#endif /* MBEDTLS_CIPHER_MODE_CTR */ | |
#endif /* !MBEDTLS_CAMELLIA_ALT */ | |
#if defined(MBEDTLS_SELF_TEST) | |
/* | |
* Camellia test vectors from: | |
* | |
* http://info.isl.ntt.co.jp/crypt/eng/camellia/technology.html: | |
* http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/intermediate.txt | |
* http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/t_camellia.txt | |
* (For each bitlength: Key 0, Nr 39) | |
*/ | |
#define CAMELLIA_TESTS_ECB 2 | |
static const unsigned char camellia_test_ecb_key[3][CAMELLIA_TESTS_ECB][32] = | |
{ | |
{ | |
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, | |
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 }, | |
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } | |
}, | |
{ | |
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, | |
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, | |
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 }, | |
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } | |
}, | |
{ | |
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, | |
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, | |
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, | |
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff }, | |
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } | |
}, | |
}; | |
static const unsigned char camellia_test_ecb_plain[CAMELLIA_TESTS_ECB][16] = | |
{ | |
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, | |
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 }, | |
{ 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, | |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } | |
}; | |
static const unsigned char camellia_test_ecb_cipher[3][CAMELLIA_TESTS_ECB][16] = | |
{ | |
{ | |
{ 0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73, | |
0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43 }, | |
{ 0x38, 0x3C, 0x6C, 0x2A, 0xAB, 0xEF, 0x7F, 0xDE, | |
0x25, 0xCD, 0x47, 0x0B, 0xF7, 0x74, 0xA3, 0x31 } | |
}, | |
{ | |
{ 0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9, 0x96, 0xf8, | |
0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9 }, | |
{ 0xD1, 0x76, 0x3F, 0xC0, 0x19, 0xD7, 0x7C, 0xC9, | |
0x30, 0xBF, 0xF2, 0xA5, 0x6F, 0x7C, 0x93, 0x64 } | |
}, | |
{ | |
{ 0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c, | |
0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09 }, | |
{ 0x05, 0x03, 0xFB, 0x10, 0xAB, 0x24, 0x1E, 0x7C, | |
0xF4, 0x5D, 0x8C, 0xDE, 0xEE, 0x47, 0x43, 0x35 } | |
} | |
}; | |
#if defined(MBEDTLS_CIPHER_MODE_CBC) | |
#define CAMELLIA_TESTS_CBC 3 | |
static const unsigned char camellia_test_cbc_key[3][32] = | |
{ | |
{ 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, | |
0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C } | |
, | |
{ 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52, | |
0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5, | |
0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B } | |
, | |
{ 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE, | |
0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81, | |
0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7, | |
0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 } | |
}; | |
static const unsigned char camellia_test_cbc_iv[16] = | |
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F } | |
; | |
static const unsigned char camellia_test_cbc_plain[CAMELLIA_TESTS_CBC][16] = | |
{ | |
{ 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96, | |
0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A }, | |
{ 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C, | |
0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51 }, | |
{ 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11, | |
0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF } | |
}; | |
static const unsigned char camellia_test_cbc_cipher[3][CAMELLIA_TESTS_CBC][16] = | |
{ | |
{ | |
{ 0x16, 0x07, 0xCF, 0x49, 0x4B, 0x36, 0xBB, 0xF0, | |
0x0D, 0xAE, 0xB0, 0xB5, 0x03, 0xC8, 0x31, 0xAB }, | |
{ 0xA2, 0xF2, 0xCF, 0x67, 0x16, 0x29, 0xEF, 0x78, | |
0x40, 0xC5, 0xA5, 0xDF, 0xB5, 0x07, 0x48, 0x87 }, | |
{ 0x0F, 0x06, 0x16, 0x50, 0x08, 0xCF, 0x8B, 0x8B, | |
0x5A, 0x63, 0x58, 0x63, 0x62, 0x54, 0x3E, 0x54 } | |
}, | |
{ | |
{ 0x2A, 0x48, 0x30, 0xAB, 0x5A, 0xC4, 0xA1, 0xA2, | |
0x40, 0x59, 0x55, 0xFD, 0x21, 0x95, 0xCF, 0x93 }, | |
{ 0x5D, 0x5A, 0x86, 0x9B, 0xD1, 0x4C, 0xE5, 0x42, | |
0x64, 0xF8, 0x92, 0xA6, 0xDD, 0x2E, 0xC3, 0xD5 }, | |
{ 0x37, 0xD3, 0x59, 0xC3, 0x34, 0x98, 0x36, 0xD8, | |
0x84, 0xE3, 0x10, 0xAD, 0xDF, 0x68, 0xC4, 0x49 } | |
}, | |
{ | |
{ 0xE6, 0xCF, 0xA3, 0x5F, 0xC0, 0x2B, 0x13, 0x4A, | |
0x4D, 0x2C, 0x0B, 0x67, 0x37, 0xAC, 0x3E, 0xDA }, | |
{ 0x36, 0xCB, 0xEB, 0x73, 0xBD, 0x50, 0x4B, 0x40, | |
0x70, 0xB1, 0xB7, 0xDE, 0x2B, 0x21, 0xEB, 0x50 }, | |
{ 0xE3, 0x1A, 0x60, 0x55, 0x29, 0x7D, 0x96, 0xCA, | |
0x33, 0x30, 0xCD, 0xF1, 0xB1, 0x86, 0x0A, 0x83 } | |
} | |
}; | |
#endif /* MBEDTLS_CIPHER_MODE_CBC */ | |
#if defined(MBEDTLS_CIPHER_MODE_CTR) | |
/* | |
* Camellia-CTR test vectors from: | |
* | |
* http://www.faqs.org/rfcs/rfc5528.html | |
*/ | |
static const unsigned char camellia_test_ctr_key[3][16] = | |
{ | |
{ 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC, | |
0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E }, | |
{ 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7, | |
0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 }, | |
{ 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8, | |
0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC } | |
}; | |
static const unsigned char camellia_test_ctr_nonce_counter[3][16] = | |
{ | |
{ 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, | |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, | |
{ 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59, | |
0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 }, | |
{ 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F, | |
0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 } | |
}; | |
static const unsigned char camellia_test_ctr_pt[3][48] = | |
{ | |
{ 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62, | |
0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 }, | |
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, | |
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, | |
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F }, | |
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, | |
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, | |
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, | |
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, | |
0x20, 0x21, 0x22, 0x23 } | |
}; | |
static const unsigned char camellia_test_ctr_ct[3][48] = | |
{ | |
{ 0xD0, 0x9D, 0xC2, 0x9A, 0x82, 0x14, 0x61, 0x9A, | |
0x20, 0x87, 0x7C, 0x76, 0xDB, 0x1F, 0x0B, 0x3F }, | |
{ 0xDB, 0xF3, 0xC7, 0x8D, 0xC0, 0x83, 0x96, 0xD4, | |
0xDA, 0x7C, 0x90, 0x77, 0x65, 0xBB, 0xCB, 0x44, | |
0x2B, 0x8E, 0x8E, 0x0F, 0x31, 0xF0, 0xDC, 0xA7, | |
0x2C, 0x74, 0x17, 0xE3, 0x53, 0x60, 0xE0, 0x48 }, | |
{ 0xB1, 0x9D, 0x1F, 0xCD, 0xCB, 0x75, 0xEB, 0x88, | |
0x2F, 0x84, 0x9C, 0xE2, 0x4D, 0x85, 0xCF, 0x73, | |
0x9C, 0xE6, 0x4B, 0x2B, 0x5C, 0x9D, 0x73, 0xF1, | |
0x4F, 0x2D, 0x5D, 0x9D, 0xCE, 0x98, 0x89, 0xCD, | |
0xDF, 0x50, 0x86, 0x96 } | |
}; | |
static const int camellia_test_ctr_len[3] = | |
{ 16, 32, 36 }; | |
#endif /* MBEDTLS_CIPHER_MODE_CTR */ | |
/* | |
* Checkup routine | |
*/ | |
int mbedtls_camellia_self_test( int verbose ) | |
{ | |
int i, j, u, v; | |
unsigned char key[32]; | |
unsigned char buf[64]; | |
unsigned char src[16]; | |
unsigned char dst[16]; | |
#if defined(MBEDTLS_CIPHER_MODE_CBC) | |
unsigned char iv[16]; | |
#endif | |
#if defined(MBEDTLS_CIPHER_MODE_CTR) | |
size_t offset, len; | |
unsigned char nonce_counter[16]; | |
unsigned char stream_block[16]; | |
#endif | |
mbedtls_camellia_context ctx; | |
memset( key, 0, 32 ); | |
for( j = 0; j < 6; j++ ) { | |
u = j >> 1; | |
v = j & 1; | |
if( verbose != 0 ) | |
mbedtls_printf( " CAMELLIA-ECB-%3d (%s): ", 128 + u * 64, | |
(v == MBEDTLS_CAMELLIA_DECRYPT) ? "dec" : "enc"); | |
for( i = 0; i < CAMELLIA_TESTS_ECB; i++ ) { | |
memcpy( key, camellia_test_ecb_key[u][i], 16 + 8 * u ); | |
if( v == MBEDTLS_CAMELLIA_DECRYPT ) { | |
mbedtls_camellia_setkey_dec( &ctx, key, 128 + u * 64 ); | |
memcpy( src, camellia_test_ecb_cipher[u][i], 16 ); | |
memcpy( dst, camellia_test_ecb_plain[i], 16 ); | |
} else { /* MBEDTLS_CAMELLIA_ENCRYPT */ | |
mbedtls_camellia_setkey_enc( &ctx, key, 128 + u * 64 ); | |
memcpy( src, camellia_test_ecb_plain[i], 16 ); | |
memcpy( dst, camellia_test_ecb_cipher[u][i], 16 ); | |
} | |
mbedtls_camellia_crypt_ecb( &ctx, v, src, buf ); | |
if( memcmp( buf, dst, 16 ) != 0 ) | |
{ | |
if( verbose != 0 ) | |
mbedtls_printf( "failed\n" ); | |
return( 1 ); | |
} | |
} | |
if( verbose != 0 ) | |
mbedtls_printf( "passed\n" ); | |
} | |
if( verbose != 0 ) | |
mbedtls_printf( "\n" ); | |
#if defined(MBEDTLS_CIPHER_MODE_CBC) | |
/* | |
* CBC mode | |
*/ | |
for( j = 0; j < 6; j++ ) | |
{ | |
u = j >> 1; | |
v = j & 1; | |
if( verbose != 0 ) | |
mbedtls_printf( " CAMELLIA-CBC-%3d (%s): ", 128 + u * 64, | |
( v == MBEDTLS_CAMELLIA_DECRYPT ) ? "dec" : "enc" ); | |
memcpy( src, camellia_test_cbc_iv, 16 ); | |
memcpy( dst, camellia_test_cbc_iv, 16 ); | |
memcpy( key, camellia_test_cbc_key[u], 16 + 8 * u ); | |
if( v == MBEDTLS_CAMELLIA_DECRYPT ) { | |
mbedtls_camellia_setkey_dec( &ctx, key, 128 + u * 64 ); | |
} else { | |
mbedtls_camellia_setkey_enc( &ctx, key, 128 + u * 64 ); | |
} | |
for( i = 0; i < CAMELLIA_TESTS_CBC; i++ ) { | |
if( v == MBEDTLS_CAMELLIA_DECRYPT ) { | |
memcpy( iv , src, 16 ); | |
memcpy( src, camellia_test_cbc_cipher[u][i], 16 ); | |
memcpy( dst, camellia_test_cbc_plain[i], 16 ); | |
} else { /* MBEDTLS_CAMELLIA_ENCRYPT */ | |
memcpy( iv , dst, 16 ); | |
memcpy( src, camellia_test_cbc_plain[i], 16 ); | |
memcpy( dst, camellia_test_cbc_cipher[u][i], 16 ); | |
} | |
mbedtls_camellia_crypt_cbc( &ctx, v, 16, iv, src, buf ); | |
if( memcmp( buf, dst, 16 ) != 0 ) | |
{ | |
if( verbose != 0 ) | |
mbedtls_printf( "failed\n" ); | |
return( 1 ); | |
} | |
} | |
if( verbose != 0 ) | |
mbedtls_printf( "passed\n" ); | |
} | |
#endif /* MBEDTLS_CIPHER_MODE_CBC */ | |
if( verbose != 0 ) | |
mbedtls_printf( "\n" ); | |
#if defined(MBEDTLS_CIPHER_MODE_CTR) | |
/* | |
* CTR mode | |
*/ | |
for( i = 0; i < 6; i++ ) | |
{ | |
u = i >> 1; | |
v = i & 1; | |
if( verbose != 0 ) | |
mbedtls_printf( " CAMELLIA-CTR-128 (%s): ", | |
( v == MBEDTLS_CAMELLIA_DECRYPT ) ? "dec" : "enc" ); | |
memcpy( nonce_counter, camellia_test_ctr_nonce_counter[u], 16 ); | |
memcpy( key, camellia_test_ctr_key[u], 16 ); | |
offset = 0; | |
mbedtls_camellia_setkey_enc( &ctx, key, 128 ); | |
if( v == MBEDTLS_CAMELLIA_DECRYPT ) | |
{ | |
len = camellia_test_ctr_len[u]; | |
memcpy( buf, camellia_test_ctr_ct[u], len ); | |
mbedtls_camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block, | |
buf, buf ); | |
if( memcmp( buf, camellia_test_ctr_pt[u], len ) != 0 ) | |
{ | |
if( verbose != 0 ) | |
mbedtls_printf( "failed\n" ); | |
return( 1 ); | |
} | |
} | |
else | |
{ | |
len = camellia_test_ctr_len[u]; | |
memcpy( buf, camellia_test_ctr_pt[u], len ); | |
mbedtls_camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block, | |
buf, buf ); | |
if( memcmp( buf, camellia_test_ctr_ct[u], len ) != 0 ) | |
{ | |
if( verbose != 0 ) | |
mbedtls_printf( "failed\n" ); | |
return( 1 ); | |
} | |
} | |
if( verbose != 0 ) | |
mbedtls_printf( "passed\n" ); | |
} | |
if( verbose != 0 ) | |
mbedtls_printf( "\n" ); | |
#endif /* MBEDTLS_CIPHER_MODE_CTR */ | |
return( 0 ); | |
} | |
#endif /* MBEDTLS_SELF_TEST */ | |
#endif /* MBEDTLS_CAMELLIA_C */ |