1 | /*
|
---|
2 | * ARIA implementation
|
---|
3 | *
|
---|
4 | * Copyright (C) 2006-2017, ARM Limited, All Rights Reserved
|
---|
5 | * SPDX-License-Identifier: Apache-2.0
|
---|
6 | *
|
---|
7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may
|
---|
8 | * not use this file except in compliance with the License.
|
---|
9 | * You may obtain a copy of the License at
|
---|
10 | *
|
---|
11 | * http://www.apache.org/licenses/LICENSE-2.0
|
---|
12 | *
|
---|
13 | * Unless required by applicable law or agreed to in writing, software
|
---|
14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
---|
15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
---|
16 | * See the License for the specific language governing permissions and
|
---|
17 | * limitations under the License.
|
---|
18 | *
|
---|
19 | * This file is part of mbed TLS (https://tls.mbed.org)
|
---|
20 | */
|
---|
21 |
|
---|
22 | /*
|
---|
23 | * This implementation is based on the following standards:
|
---|
24 | * [1] http://210.104.33.10/ARIA/doc/ARIA-specification-e.pdf
|
---|
25 | * [2] https://tools.ietf.org/html/rfc5794
|
---|
26 | */
|
---|
27 |
|
---|
28 | #if !defined(MBEDTLS_CONFIG_FILE)
|
---|
29 | #include "mbedtls/config.h"
|
---|
30 | #else
|
---|
31 | #include MBEDTLS_CONFIG_FILE
|
---|
32 | #endif
|
---|
33 |
|
---|
34 | #if defined(MBEDTLS_ARIA_C)
|
---|
35 |
|
---|
36 | #include "mbedtls/aria.h"
|
---|
37 |
|
---|
38 | #include <string.h>
|
---|
39 |
|
---|
40 | #if defined(MBEDTLS_SELF_TEST)
|
---|
41 | #if defined(MBEDTLS_PLATFORM_C)
|
---|
42 | #include "mbedtls/platform.h"
|
---|
43 | #else
|
---|
44 | #include <stdio.h>
|
---|
45 | #define mbedtls_printf printf
|
---|
46 | #endif /* MBEDTLS_PLATFORM_C */
|
---|
47 | #endif /* MBEDTLS_SELF_TEST */
|
---|
48 |
|
---|
49 | #if !defined(MBEDTLS_ARIA_ALT)
|
---|
50 |
|
---|
51 | #include "mbedtls/platform_util.h"
|
---|
52 |
|
---|
53 | #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
|
---|
54 | !defined(inline) && !defined(__cplusplus)
|
---|
55 | #define inline __inline
|
---|
56 | #endif
|
---|
57 |
|
---|
58 | /* Parameter validation macros */
|
---|
59 | #define ARIA_VALIDATE_RET( cond ) \
|
---|
60 | MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_ARIA_BAD_INPUT_DATA )
|
---|
61 | #define ARIA_VALIDATE( cond ) \
|
---|
62 | MBEDTLS_INTERNAL_VALIDATE( cond )
|
---|
63 |
|
---|
64 | /*
|
---|
65 | * 32-bit integer manipulation macros (little endian)
|
---|
66 | */
|
---|
67 | #ifndef GET_UINT32_LE
|
---|
68 | #define GET_UINT32_LE( n, b, i ) \
|
---|
69 | { \
|
---|
70 | (n) = ( (uint32_t) (b)[(i) ] ) \
|
---|
71 | | ( (uint32_t) (b)[(i) + 1] << 8 ) \
|
---|
72 | | ( (uint32_t) (b)[(i) + 2] << 16 ) \
|
---|
73 | | ( (uint32_t) (b)[(i) + 3] << 24 ); \
|
---|
74 | }
|
---|
75 | #endif
|
---|
76 |
|
---|
77 | #ifndef PUT_UINT32_LE
|
---|
78 | #define PUT_UINT32_LE( n, b, i ) \
|
---|
79 | { \
|
---|
80 | (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
|
---|
81 | (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
|
---|
82 | (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
|
---|
83 | (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
|
---|
84 | }
|
---|
85 | #endif
|
---|
86 |
|
---|
87 | /*
|
---|
88 | * modify byte order: ( A B C D ) -> ( B A D C ), i.e. swap pairs of bytes
|
---|
89 | *
|
---|
90 | * This is submatrix P1 in [1] Appendix B.1
|
---|
91 | *
|
---|
92 | * Common compilers fail to translate this to minimal number of instructions,
|
---|
93 | * so let's provide asm versions for common platforms with C fallback.
|
---|
94 | */
|
---|
95 | #if defined(MBEDTLS_HAVE_ASM)
|
---|
96 | #if defined(__arm__) /* rev16 available from v6 up */
|
---|
97 | /* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
|
---|
98 | #if defined(__GNUC__) && \
|
---|
99 | ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 ) && \
|
---|
100 | __ARM_ARCH >= 6
|
---|
101 | static inline uint32_t aria_p1( uint32_t x )
|
---|
102 | {
|
---|
103 | uint32_t r;
|
---|
104 | __asm( "rev16 %0, %1" : "=l" (r) : "l" (x) );
|
---|
105 | return( r );
|
---|
106 | }
|
---|
107 | #define ARIA_P1 aria_p1
|
---|
108 | #elif defined(__ARMCC_VERSION) && __ARMCC_VERSION < 6000000 && \
|
---|
109 | ( __TARGET_ARCH_ARM >= 6 || __TARGET_ARCH_THUMB >= 3 )
|
---|
110 | static inline uint32_t aria_p1( uint32_t x )
|
---|
111 | {
|
---|
112 | uint32_t r;
|
---|
113 | __asm( "rev16 r, x" );
|
---|
114 | return( r );
|
---|
115 | }
|
---|
116 | #define ARIA_P1 aria_p1
|
---|
117 | #endif
|
---|
118 | #endif /* arm */
|
---|
119 | #if defined(__GNUC__) && \
|
---|
120 | defined(__i386__) || defined(__amd64__) || defined( __x86_64__)
|
---|
121 | /* I couldn't find an Intel equivalent of rev16, so two instructions */
|
---|
122 | #define ARIA_P1(x) ARIA_P2( ARIA_P3( x ) )
|
---|
123 | #endif /* x86 gnuc */
|
---|
124 | #endif /* MBEDTLS_HAVE_ASM && GNUC */
|
---|
125 | #if !defined(ARIA_P1)
|
---|
126 | #define ARIA_P1(x) ((((x) >> 8) & 0x00FF00FF) ^ (((x) & 0x00FF00FF) << 8))
|
---|
127 | #endif
|
---|
128 |
|
---|
129 | /*
|
---|
130 | * modify byte order: ( A B C D ) -> ( C D A B ), i.e. rotate by 16 bits
|
---|
131 | *
|
---|
132 | * This is submatrix P2 in [1] Appendix B.1
|
---|
133 | *
|
---|
134 | * Common compilers will translate this to a single instruction.
|
---|
135 | */
|
---|
136 | #define ARIA_P2(x) (((x) >> 16) ^ ((x) << 16))
|
---|
137 |
|
---|
138 | /*
|
---|
139 | * modify byte order: ( A B C D ) -> ( D C B A ), i.e. change endianness
|
---|
140 | *
|
---|
141 | * This is submatrix P3 in [1] Appendix B.1
|
---|
142 | *
|
---|
143 | * Some compilers fail to translate this to a single instruction,
|
---|
144 | * so let's provide asm versions for common platforms with C fallback.
|
---|
145 | */
|
---|
146 | #if defined(MBEDTLS_HAVE_ASM)
|
---|
147 | #if defined(__arm__) /* rev available from v6 up */
|
---|
148 | /* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */
|
---|
149 | #if defined(__GNUC__) && \
|
---|
150 | ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 ) && \
|
---|
151 | __ARM_ARCH >= 6
|
---|
152 | static inline uint32_t aria_p3( uint32_t x )
|
---|
153 | {
|
---|
154 | uint32_t r;
|
---|
155 | __asm( "rev %0, %1" : "=l" (r) : "l" (x) );
|
---|
156 | return( r );
|
---|
157 | }
|
---|
158 | #define ARIA_P3 aria_p3
|
---|
159 | #elif defined(__ARMCC_VERSION) && __ARMCC_VERSION < 6000000 && \
|
---|
160 | ( __TARGET_ARCH_ARM >= 6 || __TARGET_ARCH_THUMB >= 3 )
|
---|
161 | static inline uint32_t aria_p3( uint32_t x )
|
---|
162 | {
|
---|
163 | uint32_t r;
|
---|
164 | __asm( "rev r, x" );
|
---|
165 | return( r );
|
---|
166 | }
|
---|
167 | #define ARIA_P3 aria_p3
|
---|
168 | #endif
|
---|
169 | #endif /* arm */
|
---|
170 | #if defined(__GNUC__) && \
|
---|
171 | defined(__i386__) || defined(__amd64__) || defined( __x86_64__)
|
---|
172 | static inline uint32_t aria_p3( uint32_t x )
|
---|
173 | {
|
---|
174 | __asm( "bswap %0" : "=r" (x) : "0" (x) );
|
---|
175 | return( x );
|
---|
176 | }
|
---|
177 | #define ARIA_P3 aria_p3
|
---|
178 | #endif /* x86 gnuc */
|
---|
179 | #endif /* MBEDTLS_HAVE_ASM && GNUC */
|
---|
180 | #if !defined(ARIA_P3)
|
---|
181 | #define ARIA_P3(x) ARIA_P2( ARIA_P1 ( x ) )
|
---|
182 | #endif
|
---|
183 |
|
---|
184 | /*
|
---|
185 | * ARIA Affine Transform
|
---|
186 | * (a, b, c, d) = state in/out
|
---|
187 | *
|
---|
188 | * If we denote the first byte of input by 0, ..., the last byte by f,
|
---|
189 | * then inputs are: a = 0123, b = 4567, c = 89ab, d = cdef.
|
---|
190 | *
|
---|
191 | * Reading [1] 2.4 or [2] 2.4.3 in columns and performing simple
|
---|
192 | * rearrangements on adjacent pairs, output is:
|
---|
193 | *
|
---|
194 | * a = 3210 + 4545 + 6767 + 88aa + 99bb + dccd + effe
|
---|
195 | * = 3210 + 4567 + 6745 + 89ab + 98ba + dcfe + efcd
|
---|
196 | * b = 0101 + 2323 + 5476 + 8998 + baab + eecc + ffdd
|
---|
197 | * = 0123 + 2301 + 5476 + 89ab + ba98 + efcd + fedc
|
---|
198 | * c = 0022 + 1133 + 4554 + 7667 + ab89 + dcdc + fefe
|
---|
199 | * = 0123 + 1032 + 4567 + 7654 + ab89 + dcfe + fedc
|
---|
200 | * d = 1001 + 2332 + 6644 + 7755 + 9898 + baba + cdef
|
---|
201 | * = 1032 + 2301 + 6745 + 7654 + 98ba + ba98 + cdef
|
---|
202 | *
|
---|
203 | * Note: another presentation of the A transform can be found as the first
|
---|
204 | * half of App. B.1 in [1] in terms of 4-byte operators P1, P2, P3 and P4.
|
---|
205 | * The implementation below uses only P1 and P2 as they are sufficient.
|
---|
206 | */
|
---|
207 | static inline void aria_a( uint32_t *a, uint32_t *b,
|
---|
208 | uint32_t *c, uint32_t *d )
|
---|
209 | {
|
---|
210 | uint32_t ta, tb, tc;
|
---|
211 | ta = *b; // 4567
|
---|
212 | *b = *a; // 0123
|
---|
213 | *a = ARIA_P2( ta ); // 6745
|
---|
214 | tb = ARIA_P2( *d ); // efcd
|
---|
215 | *d = ARIA_P1( *c ); // 98ba
|
---|
216 | *c = ARIA_P1( tb ); // fedc
|
---|
217 | ta ^= *d; // 4567+98ba
|
---|
218 | tc = ARIA_P2( *b ); // 2301
|
---|
219 | ta = ARIA_P1( ta ) ^ tc ^ *c; // 2301+5476+89ab+fedc
|
---|
220 | tb ^= ARIA_P2( *d ); // ba98+efcd
|
---|
221 | tc ^= ARIA_P1( *a ); // 2301+7654
|
---|
222 | *b ^= ta ^ tb; // 0123+2301+5476+89ab+ba98+efcd+fedc OUT
|
---|
223 | tb = ARIA_P2( tb ) ^ ta; // 2301+5476+89ab+98ba+cdef+fedc
|
---|
224 | *a ^= ARIA_P1( tb ); // 3210+4567+6745+89ab+98ba+dcfe+efcd OUT
|
---|
225 | ta = ARIA_P2( ta ); // 0123+7654+ab89+dcfe
|
---|
226 | *d ^= ARIA_P1( ta ) ^ tc; // 1032+2301+6745+7654+98ba+ba98+cdef OUT
|
---|
227 | tc = ARIA_P2( tc ); // 0123+5476
|
---|
228 | *c ^= ARIA_P1( tc ) ^ ta; // 0123+1032+4567+7654+ab89+dcfe+fedc OUT
|
---|
229 | }
|
---|
230 |
|
---|
231 | /*
|
---|
232 | * ARIA Substitution Layer SL1 / SL2
|
---|
233 | * (a, b, c, d) = state in/out
|
---|
234 | * (sa, sb, sc, sd) = 256 8-bit S-Boxes (see below)
|
---|
235 | *
|
---|
236 | * By passing sb1, sb2, is1, is2 as S-Boxes you get SL1
|
---|
237 | * By passing is1, is2, sb1, sb2 as S-Boxes you get SL2
|
---|
238 | */
|
---|
239 | static inline void aria_sl( uint32_t *a, uint32_t *b,
|
---|
240 | uint32_t *c, uint32_t *d,
|
---|
241 | const uint8_t sa[256], const uint8_t sb[256],
|
---|
242 | const uint8_t sc[256], const uint8_t sd[256] )
|
---|
243 | {
|
---|
244 | *a = ( (uint32_t) sa[ *a & 0xFF] ) ^
|
---|
245 | (((uint32_t) sb[(*a >> 8) & 0xFF]) << 8) ^
|
---|
246 | (((uint32_t) sc[(*a >> 16) & 0xFF]) << 16) ^
|
---|
247 | (((uint32_t) sd[ *a >> 24 ]) << 24);
|
---|
248 | *b = ( (uint32_t) sa[ *b & 0xFF] ) ^
|
---|
249 | (((uint32_t) sb[(*b >> 8) & 0xFF]) << 8) ^
|
---|
250 | (((uint32_t) sc[(*b >> 16) & 0xFF]) << 16) ^
|
---|
251 | (((uint32_t) sd[ *b >> 24 ]) << 24);
|
---|
252 | *c = ( (uint32_t) sa[ *c & 0xFF] ) ^
|
---|
253 | (((uint32_t) sb[(*c >> 8) & 0xFF]) << 8) ^
|
---|
254 | (((uint32_t) sc[(*c >> 16) & 0xFF]) << 16) ^
|
---|
255 | (((uint32_t) sd[ *c >> 24 ]) << 24);
|
---|
256 | *d = ( (uint32_t) sa[ *d & 0xFF] ) ^
|
---|
257 | (((uint32_t) sb[(*d >> 8) & 0xFF]) << 8) ^
|
---|
258 | (((uint32_t) sc[(*d >> 16) & 0xFF]) << 16) ^
|
---|
259 | (((uint32_t) sd[ *d >> 24 ]) << 24);
|
---|
260 | }
|
---|
261 |
|
---|
262 | /*
|
---|
263 | * S-Boxes
|
---|
264 | */
|
---|
265 | static const uint8_t aria_sb1[256] =
|
---|
266 | {
|
---|
267 | 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B,
|
---|
268 | 0xFE, 0xD7, 0xAB, 0x76, 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
|
---|
269 | 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, 0xB7, 0xFD, 0x93, 0x26,
|
---|
270 | 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
|
---|
271 | 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2,
|
---|
272 | 0xEB, 0x27, 0xB2, 0x75, 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
|
---|
273 | 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, 0x53, 0xD1, 0x00, 0xED,
|
---|
274 | 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
|
---|
275 | 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F,
|
---|
276 | 0x50, 0x3C, 0x9F, 0xA8, 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
|
---|
277 | 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, 0xCD, 0x0C, 0x13, 0xEC,
|
---|
278 | 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
|
---|
279 | 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14,
|
---|
280 | 0xDE, 0x5E, 0x0B, 0xDB, 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
|
---|
281 | 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, 0xE7, 0xC8, 0x37, 0x6D,
|
---|
282 | 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
|
---|
283 | 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F,
|
---|
284 | 0x4B, 0xBD, 0x8B, 0x8A, 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
|
---|
285 | 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, 0xE1, 0xF8, 0x98, 0x11,
|
---|
286 | 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
|
---|
287 | 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F,
|
---|
288 | 0xB0, 0x54, 0xBB, 0x16
|
---|
289 | };
|
---|
290 |
|
---|
291 | static const uint8_t aria_sb2[256] =
|
---|
292 | {
|
---|
293 | 0xE2, 0x4E, 0x54, 0xFC, 0x94, 0xC2, 0x4A, 0xCC, 0x62, 0x0D, 0x6A, 0x46,
|
---|
294 | 0x3C, 0x4D, 0x8B, 0xD1, 0x5E, 0xFA, 0x64, 0xCB, 0xB4, 0x97, 0xBE, 0x2B,
|
---|
295 | 0xBC, 0x77, 0x2E, 0x03, 0xD3, 0x19, 0x59, 0xC1, 0x1D, 0x06, 0x41, 0x6B,
|
---|
296 | 0x55, 0xF0, 0x99, 0x69, 0xEA, 0x9C, 0x18, 0xAE, 0x63, 0xDF, 0xE7, 0xBB,
|
---|
297 | 0x00, 0x73, 0x66, 0xFB, 0x96, 0x4C, 0x85, 0xE4, 0x3A, 0x09, 0x45, 0xAA,
|
---|
298 | 0x0F, 0xEE, 0x10, 0xEB, 0x2D, 0x7F, 0xF4, 0x29, 0xAC, 0xCF, 0xAD, 0x91,
|
---|
299 | 0x8D, 0x78, 0xC8, 0x95, 0xF9, 0x2F, 0xCE, 0xCD, 0x08, 0x7A, 0x88, 0x38,
|
---|
300 | 0x5C, 0x83, 0x2A, 0x28, 0x47, 0xDB, 0xB8, 0xC7, 0x93, 0xA4, 0x12, 0x53,
|
---|
301 | 0xFF, 0x87, 0x0E, 0x31, 0x36, 0x21, 0x58, 0x48, 0x01, 0x8E, 0x37, 0x74,
|
---|
302 | 0x32, 0xCA, 0xE9, 0xB1, 0xB7, 0xAB, 0x0C, 0xD7, 0xC4, 0x56, 0x42, 0x26,
|
---|
303 | 0x07, 0x98, 0x60, 0xD9, 0xB6, 0xB9, 0x11, 0x40, 0xEC, 0x20, 0x8C, 0xBD,
|
---|
304 | 0xA0, 0xC9, 0x84, 0x04, 0x49, 0x23, 0xF1, 0x4F, 0x50, 0x1F, 0x13, 0xDC,
|
---|
305 | 0xD8, 0xC0, 0x9E, 0x57, 0xE3, 0xC3, 0x7B, 0x65, 0x3B, 0x02, 0x8F, 0x3E,
|
---|
306 | 0xE8, 0x25, 0x92, 0xE5, 0x15, 0xDD, 0xFD, 0x17, 0xA9, 0xBF, 0xD4, 0x9A,
|
---|
307 | 0x7E, 0xC5, 0x39, 0x67, 0xFE, 0x76, 0x9D, 0x43, 0xA7, 0xE1, 0xD0, 0xF5,
|
---|
308 | 0x68, 0xF2, 0x1B, 0x34, 0x70, 0x05, 0xA3, 0x8A, 0xD5, 0x79, 0x86, 0xA8,
|
---|
309 | 0x30, 0xC6, 0x51, 0x4B, 0x1E, 0xA6, 0x27, 0xF6, 0x35, 0xD2, 0x6E, 0x24,
|
---|
310 | 0x16, 0x82, 0x5F, 0xDA, 0xE6, 0x75, 0xA2, 0xEF, 0x2C, 0xB2, 0x1C, 0x9F,
|
---|
311 | 0x5D, 0x6F, 0x80, 0x0A, 0x72, 0x44, 0x9B, 0x6C, 0x90, 0x0B, 0x5B, 0x33,
|
---|
312 | 0x7D, 0x5A, 0x52, 0xF3, 0x61, 0xA1, 0xF7, 0xB0, 0xD6, 0x3F, 0x7C, 0x6D,
|
---|
313 | 0xED, 0x14, 0xE0, 0xA5, 0x3D, 0x22, 0xB3, 0xF8, 0x89, 0xDE, 0x71, 0x1A,
|
---|
314 | 0xAF, 0xBA, 0xB5, 0x81
|
---|
315 | };
|
---|
316 |
|
---|
317 | static const uint8_t aria_is1[256] =
|
---|
318 | {
|
---|
319 | 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E,
|
---|
320 | 0x81, 0xF3, 0xD7, 0xFB, 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
|
---|
321 | 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, 0x54, 0x7B, 0x94, 0x32,
|
---|
322 | 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
|
---|
323 | 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49,
|
---|
324 | 0x6D, 0x8B, 0xD1, 0x25, 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
|
---|
325 | 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, 0x6C, 0x70, 0x48, 0x50,
|
---|
326 | 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
|
---|
327 | 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05,
|
---|
328 | 0xB8, 0xB3, 0x45, 0x06, 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
|
---|
329 | 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, 0x3A, 0x91, 0x11, 0x41,
|
---|
330 | 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
|
---|
331 | 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8,
|
---|
332 | 0x1C, 0x75, 0xDF, 0x6E, 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
|
---|
333 | 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, 0xFC, 0x56, 0x3E, 0x4B,
|
---|
334 | 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
|
---|
335 | 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59,
|
---|
336 | 0x27, 0x80, 0xEC, 0x5F, 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
|
---|
337 | 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, 0xA0, 0xE0, 0x3B, 0x4D,
|
---|
338 | 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
|
---|
339 | 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63,
|
---|
340 | 0x55, 0x21, 0x0C, 0x7D
|
---|
341 | };
|
---|
342 |
|
---|
343 | static const uint8_t aria_is2[256] =
|
---|
344 | {
|
---|
345 | 0x30, 0x68, 0x99, 0x1B, 0x87, 0xB9, 0x21, 0x78, 0x50, 0x39, 0xDB, 0xE1,
|
---|
346 | 0x72, 0x09, 0x62, 0x3C, 0x3E, 0x7E, 0x5E, 0x8E, 0xF1, 0xA0, 0xCC, 0xA3,
|
---|
347 | 0x2A, 0x1D, 0xFB, 0xB6, 0xD6, 0x20, 0xC4, 0x8D, 0x81, 0x65, 0xF5, 0x89,
|
---|
348 | 0xCB, 0x9D, 0x77, 0xC6, 0x57, 0x43, 0x56, 0x17, 0xD4, 0x40, 0x1A, 0x4D,
|
---|
349 | 0xC0, 0x63, 0x6C, 0xE3, 0xB7, 0xC8, 0x64, 0x6A, 0x53, 0xAA, 0x38, 0x98,
|
---|
350 | 0x0C, 0xF4, 0x9B, 0xED, 0x7F, 0x22, 0x76, 0xAF, 0xDD, 0x3A, 0x0B, 0x58,
|
---|
351 | 0x67, 0x88, 0x06, 0xC3, 0x35, 0x0D, 0x01, 0x8B, 0x8C, 0xC2, 0xE6, 0x5F,
|
---|
352 | 0x02, 0x24, 0x75, 0x93, 0x66, 0x1E, 0xE5, 0xE2, 0x54, 0xD8, 0x10, 0xCE,
|
---|
353 | 0x7A, 0xE8, 0x08, 0x2C, 0x12, 0x97, 0x32, 0xAB, 0xB4, 0x27, 0x0A, 0x23,
|
---|
354 | 0xDF, 0xEF, 0xCA, 0xD9, 0xB8, 0xFA, 0xDC, 0x31, 0x6B, 0xD1, 0xAD, 0x19,
|
---|
355 | 0x49, 0xBD, 0x51, 0x96, 0xEE, 0xE4, 0xA8, 0x41, 0xDA, 0xFF, 0xCD, 0x55,
|
---|
356 | 0x86, 0x36, 0xBE, 0x61, 0x52, 0xF8, 0xBB, 0x0E, 0x82, 0x48, 0x69, 0x9A,
|
---|
357 | 0xE0, 0x47, 0x9E, 0x5C, 0x04, 0x4B, 0x34, 0x15, 0x79, 0x26, 0xA7, 0xDE,
|
---|
358 | 0x29, 0xAE, 0x92, 0xD7, 0x84, 0xE9, 0xD2, 0xBA, 0x5D, 0xF3, 0xC5, 0xB0,
|
---|
359 | 0xBF, 0xA4, 0x3B, 0x71, 0x44, 0x46, 0x2B, 0xFC, 0xEB, 0x6F, 0xD5, 0xF6,
|
---|
360 | 0x14, 0xFE, 0x7C, 0x70, 0x5A, 0x7D, 0xFD, 0x2F, 0x18, 0x83, 0x16, 0xA5,
|
---|
361 | 0x91, 0x1F, 0x05, 0x95, 0x74, 0xA9, 0xC1, 0x5B, 0x4A, 0x85, 0x6D, 0x13,
|
---|
362 | 0x07, 0x4F, 0x4E, 0x45, 0xB2, 0x0F, 0xC9, 0x1C, 0xA6, 0xBC, 0xEC, 0x73,
|
---|
363 | 0x90, 0x7B, 0xCF, 0x59, 0x8F, 0xA1, 0xF9, 0x2D, 0xF2, 0xB1, 0x00, 0x94,
|
---|
364 | 0x37, 0x9F, 0xD0, 0x2E, 0x9C, 0x6E, 0x28, 0x3F, 0x80, 0xF0, 0x3D, 0xD3,
|
---|
365 | 0x25, 0x8A, 0xB5, 0xE7, 0x42, 0xB3, 0xC7, 0xEA, 0xF7, 0x4C, 0x11, 0x33,
|
---|
366 | 0x03, 0xA2, 0xAC, 0x60
|
---|
367 | };
|
---|
368 |
|
---|
369 | /*
|
---|
370 | * Helper for key schedule: r = FO( p, k ) ^ x
|
---|
371 | */
|
---|
372 | static void aria_fo_xor( uint32_t r[4], const uint32_t p[4],
|
---|
373 | const uint32_t k[4], const uint32_t x[4] )
|
---|
374 | {
|
---|
375 | uint32_t a, b, c, d;
|
---|
376 |
|
---|
377 | a = p[0] ^ k[0];
|
---|
378 | b = p[1] ^ k[1];
|
---|
379 | c = p[2] ^ k[2];
|
---|
380 | d = p[3] ^ k[3];
|
---|
381 |
|
---|
382 | aria_sl( &a, &b, &c, &d, aria_sb1, aria_sb2, aria_is1, aria_is2 );
|
---|
383 | aria_a( &a, &b, &c, &d );
|
---|
384 |
|
---|
385 | r[0] = a ^ x[0];
|
---|
386 | r[1] = b ^ x[1];
|
---|
387 | r[2] = c ^ x[2];
|
---|
388 | r[3] = d ^ x[3];
|
---|
389 | }
|
---|
390 |
|
---|
391 | /*
|
---|
392 | * Helper for key schedule: r = FE( p, k ) ^ x
|
---|
393 | */
|
---|
394 | static void aria_fe_xor( uint32_t r[4], const uint32_t p[4],
|
---|
395 | const uint32_t k[4], const uint32_t x[4] )
|
---|
396 | {
|
---|
397 | uint32_t a, b, c, d;
|
---|
398 |
|
---|
399 | a = p[0] ^ k[0];
|
---|
400 | b = p[1] ^ k[1];
|
---|
401 | c = p[2] ^ k[2];
|
---|
402 | d = p[3] ^ k[3];
|
---|
403 |
|
---|
404 | aria_sl( &a, &b, &c, &d, aria_is1, aria_is2, aria_sb1, aria_sb2 );
|
---|
405 | aria_a( &a, &b, &c, &d );
|
---|
406 |
|
---|
407 | r[0] = a ^ x[0];
|
---|
408 | r[1] = b ^ x[1];
|
---|
409 | r[2] = c ^ x[2];
|
---|
410 | r[3] = d ^ x[3];
|
---|
411 | }
|
---|
412 |
|
---|
413 | /*
|
---|
414 | * Big endian 128-bit rotation: r = a ^ (b <<< n), used only in key setup.
|
---|
415 | *
|
---|
416 | * We chose to store bytes into 32-bit words in little-endian format (see
|
---|
417 | * GET/PUT_UINT32_LE) so we need to reverse bytes here.
|
---|
418 | */
|
---|
419 | static void aria_rot128( uint32_t r[4], const uint32_t a[4],
|
---|
420 | const uint32_t b[4], uint8_t n )
|
---|
421 | {
|
---|
422 | uint8_t i, j;
|
---|
423 | uint32_t t, u;
|
---|
424 |
|
---|
425 | const uint8_t n1 = n % 32; // bit offset
|
---|
426 | const uint8_t n2 = n1 ? 32 - n1 : 0; // reverse bit offset
|
---|
427 |
|
---|
428 | j = ( n / 32 ) % 4; // initial word offset
|
---|
429 | t = ARIA_P3( b[j] ); // big endian
|
---|
430 | for( i = 0; i < 4; i++ )
|
---|
431 | {
|
---|
432 | j = ( j + 1 ) % 4; // get next word, big endian
|
---|
433 | u = ARIA_P3( b[j] );
|
---|
434 | t <<= n1; // rotate
|
---|
435 | t |= u >> n2;
|
---|
436 | t = ARIA_P3( t ); // back to little endian
|
---|
437 | r[i] = a[i] ^ t; // store
|
---|
438 | t = u; // move to next word
|
---|
439 | }
|
---|
440 | }
|
---|
441 |
|
---|
442 | /*
|
---|
443 | * Set encryption key
|
---|
444 | */
|
---|
445 | int mbedtls_aria_setkey_enc( mbedtls_aria_context *ctx,
|
---|
446 | const unsigned char *key, unsigned int keybits )
|
---|
447 | {
|
---|
448 | /* round constant masks */
|
---|
449 | const uint32_t rc[3][4] =
|
---|
450 | {
|
---|
451 | { 0xB7C17C51, 0x940A2227, 0xE8AB13FE, 0xE06E9AFA },
|
---|
452 | { 0xCC4AB16D, 0x20C8219E, 0xD5B128FF, 0xB0E25DEF },
|
---|
453 | { 0x1D3792DB, 0x70E92621, 0x75972403, 0x0EC9E804 }
|
---|
454 | };
|
---|
455 |
|
---|
456 | int i;
|
---|
457 | uint32_t w[4][4], *w2;
|
---|
458 | ARIA_VALIDATE_RET( ctx != NULL );
|
---|
459 | ARIA_VALIDATE_RET( key != NULL );
|
---|
460 |
|
---|
461 | if( keybits != 128 && keybits != 192 && keybits != 256 )
|
---|
462 | return( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA );
|
---|
463 |
|
---|
464 | /* Copy key to W0 (and potential remainder to W1) */
|
---|
465 | GET_UINT32_LE( w[0][0], key, 0 );
|
---|
466 | GET_UINT32_LE( w[0][1], key, 4 );
|
---|
467 | GET_UINT32_LE( w[0][2], key, 8 );
|
---|
468 | GET_UINT32_LE( w[0][3], key, 12 );
|
---|
469 |
|
---|
470 | memset( w[1], 0, 16 );
|
---|
471 | if( keybits >= 192 )
|
---|
472 | {
|
---|
473 | GET_UINT32_LE( w[1][0], key, 16 ); // 192 bit key
|
---|
474 | GET_UINT32_LE( w[1][1], key, 20 );
|
---|
475 | }
|
---|
476 | if( keybits == 256 )
|
---|
477 | {
|
---|
478 | GET_UINT32_LE( w[1][2], key, 24 ); // 256 bit key
|
---|
479 | GET_UINT32_LE( w[1][3], key, 28 );
|
---|
480 | }
|
---|
481 |
|
---|
482 | i = ( keybits - 128 ) >> 6; // index: 0, 1, 2
|
---|
483 | ctx->nr = 12 + 2 * i; // no. rounds: 12, 14, 16
|
---|
484 |
|
---|
485 | aria_fo_xor( w[1], w[0], rc[i], w[1] ); // W1 = FO(W0, CK1) ^ KR
|
---|
486 | i = i < 2 ? i + 1 : 0;
|
---|
487 | aria_fe_xor( w[2], w[1], rc[i], w[0] ); // W2 = FE(W1, CK2) ^ W0
|
---|
488 | i = i < 2 ? i + 1 : 0;
|
---|
489 | aria_fo_xor( w[3], w[2], rc[i], w[1] ); // W3 = FO(W2, CK3) ^ W1
|
---|
490 |
|
---|
491 | for( i = 0; i < 4; i++ ) // create round keys
|
---|
492 | {
|
---|
493 | w2 = w[(i + 1) & 3];
|
---|
494 | aria_rot128( ctx->rk[i ], w[i], w2, 128 - 19 );
|
---|
495 | aria_rot128( ctx->rk[i + 4], w[i], w2, 128 - 31 );
|
---|
496 | aria_rot128( ctx->rk[i + 8], w[i], w2, 61 );
|
---|
497 | aria_rot128( ctx->rk[i + 12], w[i], w2, 31 );
|
---|
498 | }
|
---|
499 | aria_rot128( ctx->rk[16], w[0], w[1], 19 );
|
---|
500 |
|
---|
501 | /* w holds enough info to reconstruct the round keys */
|
---|
502 | mbedtls_platform_zeroize( w, sizeof( w ) );
|
---|
503 |
|
---|
504 | return( 0 );
|
---|
505 | }
|
---|
506 |
|
---|
507 | /*
|
---|
508 | * Set decryption key
|
---|
509 | */
|
---|
510 | int mbedtls_aria_setkey_dec( mbedtls_aria_context *ctx,
|
---|
511 | const unsigned char *key, unsigned int keybits )
|
---|
512 | {
|
---|
513 | int i, j, k, ret;
|
---|
514 | ARIA_VALIDATE_RET( ctx != NULL );
|
---|
515 | ARIA_VALIDATE_RET( key != NULL );
|
---|
516 |
|
---|
517 | ret = mbedtls_aria_setkey_enc( ctx, key, keybits );
|
---|
518 | if( ret != 0 )
|
---|
519 | return( ret );
|
---|
520 |
|
---|
521 | /* flip the order of round keys */
|
---|
522 | for( i = 0, j = ctx->nr; i < j; i++, j-- )
|
---|
523 | {
|
---|
524 | for( k = 0; k < 4; k++ )
|
---|
525 | {
|
---|
526 | uint32_t t = ctx->rk[i][k];
|
---|
527 | ctx->rk[i][k] = ctx->rk[j][k];
|
---|
528 | ctx->rk[j][k] = t;
|
---|
529 | }
|
---|
530 | }
|
---|
531 |
|
---|
532 | /* apply affine transform to middle keys */
|
---|
533 | for( i = 1; i < ctx->nr; i++ )
|
---|
534 | {
|
---|
535 | aria_a( &ctx->rk[i][0], &ctx->rk[i][1],
|
---|
536 | &ctx->rk[i][2], &ctx->rk[i][3] );
|
---|
537 | }
|
---|
538 |
|
---|
539 | return( 0 );
|
---|
540 | }
|
---|
541 |
|
---|
542 | /*
|
---|
543 | * Encrypt a block
|
---|
544 | */
|
---|
545 | int mbedtls_aria_crypt_ecb( mbedtls_aria_context *ctx,
|
---|
546 | const unsigned char input[MBEDTLS_ARIA_BLOCKSIZE],
|
---|
547 | unsigned char output[MBEDTLS_ARIA_BLOCKSIZE] )
|
---|
548 | {
|
---|
549 | int i;
|
---|
550 |
|
---|
551 | uint32_t a, b, c, d;
|
---|
552 | ARIA_VALIDATE_RET( ctx != NULL );
|
---|
553 | ARIA_VALIDATE_RET( input != NULL );
|
---|
554 | ARIA_VALIDATE_RET( output != NULL );
|
---|
555 |
|
---|
556 | GET_UINT32_LE( a, input, 0 );
|
---|
557 | GET_UINT32_LE( b, input, 4 );
|
---|
558 | GET_UINT32_LE( c, input, 8 );
|
---|
559 | GET_UINT32_LE( d, input, 12 );
|
---|
560 |
|
---|
561 | i = 0;
|
---|
562 | while( 1 )
|
---|
563 | {
|
---|
564 | a ^= ctx->rk[i][0];
|
---|
565 | b ^= ctx->rk[i][1];
|
---|
566 | c ^= ctx->rk[i][2];
|
---|
567 | d ^= ctx->rk[i][3];
|
---|
568 | i++;
|
---|
569 |
|
---|
570 | aria_sl( &a, &b, &c, &d, aria_sb1, aria_sb2, aria_is1, aria_is2 );
|
---|
571 | aria_a( &a, &b, &c, &d );
|
---|
572 |
|
---|
573 | a ^= ctx->rk[i][0];
|
---|
574 | b ^= ctx->rk[i][1];
|
---|
575 | c ^= ctx->rk[i][2];
|
---|
576 | d ^= ctx->rk[i][3];
|
---|
577 | i++;
|
---|
578 |
|
---|
579 | aria_sl( &a, &b, &c, &d, aria_is1, aria_is2, aria_sb1, aria_sb2 );
|
---|
580 | if( i >= ctx->nr )
|
---|
581 | break;
|
---|
582 | aria_a( &a, &b, &c, &d );
|
---|
583 | }
|
---|
584 |
|
---|
585 | /* final key mixing */
|
---|
586 | a ^= ctx->rk[i][0];
|
---|
587 | b ^= ctx->rk[i][1];
|
---|
588 | c ^= ctx->rk[i][2];
|
---|
589 | d ^= ctx->rk[i][3];
|
---|
590 |
|
---|
591 | PUT_UINT32_LE( a, output, 0 );
|
---|
592 | PUT_UINT32_LE( b, output, 4 );
|
---|
593 | PUT_UINT32_LE( c, output, 8 );
|
---|
594 | PUT_UINT32_LE( d, output, 12 );
|
---|
595 |
|
---|
596 | return( 0 );
|
---|
597 | }
|
---|
598 |
|
---|
599 | /* Initialize context */
|
---|
600 | void mbedtls_aria_init( mbedtls_aria_context *ctx )
|
---|
601 | {
|
---|
602 | ARIA_VALIDATE( ctx != NULL );
|
---|
603 | memset( ctx, 0, sizeof( mbedtls_aria_context ) );
|
---|
604 | }
|
---|
605 |
|
---|
606 | /* Clear context */
|
---|
607 | void mbedtls_aria_free( mbedtls_aria_context *ctx )
|
---|
608 | {
|
---|
609 | if( ctx == NULL )
|
---|
610 | return;
|
---|
611 |
|
---|
612 | mbedtls_platform_zeroize( ctx, sizeof( mbedtls_aria_context ) );
|
---|
613 | }
|
---|
614 |
|
---|
615 | #if defined(MBEDTLS_CIPHER_MODE_CBC)
|
---|
616 | /*
|
---|
617 | * ARIA-CBC buffer encryption/decryption
|
---|
618 | */
|
---|
619 | int mbedtls_aria_crypt_cbc( mbedtls_aria_context *ctx,
|
---|
620 | int mode,
|
---|
621 | size_t length,
|
---|
622 | unsigned char iv[MBEDTLS_ARIA_BLOCKSIZE],
|
---|
623 | const unsigned char *input,
|
---|
624 | unsigned char *output )
|
---|
625 | {
|
---|
626 | int i;
|
---|
627 | unsigned char temp[MBEDTLS_ARIA_BLOCKSIZE];
|
---|
628 |
|
---|
629 | ARIA_VALIDATE_RET( ctx != NULL );
|
---|
630 | ARIA_VALIDATE_RET( mode == MBEDTLS_ARIA_ENCRYPT ||
|
---|
631 | mode == MBEDTLS_ARIA_DECRYPT );
|
---|
632 | ARIA_VALIDATE_RET( length == 0 || input != NULL );
|
---|
633 | ARIA_VALIDATE_RET( length == 0 || output != NULL );
|
---|
634 | ARIA_VALIDATE_RET( iv != NULL );
|
---|
635 |
|
---|
636 | if( length % MBEDTLS_ARIA_BLOCKSIZE )
|
---|
637 | return( MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH );
|
---|
638 |
|
---|
639 | if( mode == MBEDTLS_ARIA_DECRYPT )
|
---|
640 | {
|
---|
641 | while( length > 0 )
|
---|
642 | {
|
---|
643 | memcpy( temp, input, MBEDTLS_ARIA_BLOCKSIZE );
|
---|
644 | mbedtls_aria_crypt_ecb( ctx, input, output );
|
---|
645 |
|
---|
646 | for( i = 0; i < MBEDTLS_ARIA_BLOCKSIZE; i++ )
|
---|
647 | output[i] = (unsigned char)( output[i] ^ iv[i] );
|
---|
648 |
|
---|
649 | memcpy( iv, temp, MBEDTLS_ARIA_BLOCKSIZE );
|
---|
650 |
|
---|
651 | input += MBEDTLS_ARIA_BLOCKSIZE;
|
---|
652 | output += MBEDTLS_ARIA_BLOCKSIZE;
|
---|
653 | length -= MBEDTLS_ARIA_BLOCKSIZE;
|
---|
654 | }
|
---|
655 | }
|
---|
656 | else
|
---|
657 | {
|
---|
658 | while( length > 0 )
|
---|
659 | {
|
---|
660 | for( i = 0; i < MBEDTLS_ARIA_BLOCKSIZE; i++ )
|
---|
661 | output[i] = (unsigned char)( input[i] ^ iv[i] );
|
---|
662 |
|
---|
663 | mbedtls_aria_crypt_ecb( ctx, output, output );
|
---|
664 | memcpy( iv, output, MBEDTLS_ARIA_BLOCKSIZE );
|
---|
665 |
|
---|
666 | input += MBEDTLS_ARIA_BLOCKSIZE;
|
---|
667 | output += MBEDTLS_ARIA_BLOCKSIZE;
|
---|
668 | length -= MBEDTLS_ARIA_BLOCKSIZE;
|
---|
669 | }
|
---|
670 | }
|
---|
671 |
|
---|
672 | return( 0 );
|
---|
673 | }
|
---|
674 | #endif /* MBEDTLS_CIPHER_MODE_CBC */
|
---|
675 |
|
---|
676 | #if defined(MBEDTLS_CIPHER_MODE_CFB)
|
---|
677 | /*
|
---|
678 | * ARIA-CFB128 buffer encryption/decryption
|
---|
679 | */
|
---|
680 | int mbedtls_aria_crypt_cfb128( mbedtls_aria_context *ctx,
|
---|
681 | int mode,
|
---|
682 | size_t length,
|
---|
683 | size_t *iv_off,
|
---|
684 | unsigned char iv[MBEDTLS_ARIA_BLOCKSIZE],
|
---|
685 | const unsigned char *input,
|
---|
686 | unsigned char *output )
|
---|
687 | {
|
---|
688 | unsigned char c;
|
---|
689 | size_t n;
|
---|
690 |
|
---|
691 | ARIA_VALIDATE_RET( ctx != NULL );
|
---|
692 | ARIA_VALIDATE_RET( mode == MBEDTLS_ARIA_ENCRYPT ||
|
---|
693 | mode == MBEDTLS_ARIA_DECRYPT );
|
---|
694 | ARIA_VALIDATE_RET( length == 0 || input != NULL );
|
---|
695 | ARIA_VALIDATE_RET( length == 0 || output != NULL );
|
---|
696 | ARIA_VALIDATE_RET( iv != NULL );
|
---|
697 | ARIA_VALIDATE_RET( iv_off != NULL );
|
---|
698 |
|
---|
699 | n = *iv_off;
|
---|
700 |
|
---|
701 | /* An overly large value of n can lead to an unlimited
|
---|
702 | * buffer overflow. Therefore, guard against this
|
---|
703 | * outside of parameter validation. */
|
---|
704 | if( n >= MBEDTLS_ARIA_BLOCKSIZE )
|
---|
705 | return( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA );
|
---|
706 |
|
---|
707 | if( mode == MBEDTLS_ARIA_DECRYPT )
|
---|
708 | {
|
---|
709 | while( length-- )
|
---|
710 | {
|
---|
711 | if( n == 0 )
|
---|
712 | mbedtls_aria_crypt_ecb( ctx, iv, iv );
|
---|
713 |
|
---|
714 | c = *input++;
|
---|
715 | *output++ = c ^ iv[n];
|
---|
716 | iv[n] = c;
|
---|
717 |
|
---|
718 | n = ( n + 1 ) & 0x0F;
|
---|
719 | }
|
---|
720 | }
|
---|
721 | else
|
---|
722 | {
|
---|
723 | while( length-- )
|
---|
724 | {
|
---|
725 | if( n == 0 )
|
---|
726 | mbedtls_aria_crypt_ecb( ctx, iv, iv );
|
---|
727 |
|
---|
728 | iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
|
---|
729 |
|
---|
730 | n = ( n + 1 ) & 0x0F;
|
---|
731 | }
|
---|
732 | }
|
---|
733 |
|
---|
734 | *iv_off = n;
|
---|
735 |
|
---|
736 | return( 0 );
|
---|
737 | }
|
---|
738 | #endif /* MBEDTLS_CIPHER_MODE_CFB */
|
---|
739 |
|
---|
740 | #if defined(MBEDTLS_CIPHER_MODE_CTR)
|
---|
741 | /*
|
---|
742 | * ARIA-CTR buffer encryption/decryption
|
---|
743 | */
|
---|
744 | int mbedtls_aria_crypt_ctr( mbedtls_aria_context *ctx,
|
---|
745 | size_t length,
|
---|
746 | size_t *nc_off,
|
---|
747 | unsigned char nonce_counter[MBEDTLS_ARIA_BLOCKSIZE],
|
---|
748 | unsigned char stream_block[MBEDTLS_ARIA_BLOCKSIZE],
|
---|
749 | const unsigned char *input,
|
---|
750 | unsigned char *output )
|
---|
751 | {
|
---|
752 | int c, i;
|
---|
753 | size_t n;
|
---|
754 |
|
---|
755 | ARIA_VALIDATE_RET( ctx != NULL );
|
---|
756 | ARIA_VALIDATE_RET( length == 0 || input != NULL );
|
---|
757 | ARIA_VALIDATE_RET( length == 0 || output != NULL );
|
---|
758 | ARIA_VALIDATE_RET( nonce_counter != NULL );
|
---|
759 | ARIA_VALIDATE_RET( stream_block != NULL );
|
---|
760 | ARIA_VALIDATE_RET( nc_off != NULL );
|
---|
761 |
|
---|
762 | n = *nc_off;
|
---|
763 | /* An overly large value of n can lead to an unlimited
|
---|
764 | * buffer overflow. Therefore, guard against this
|
---|
765 | * outside of parameter validation. */
|
---|
766 | if( n >= MBEDTLS_ARIA_BLOCKSIZE )
|
---|
767 | return( MBEDTLS_ERR_ARIA_BAD_INPUT_DATA );
|
---|
768 |
|
---|
769 | while( length-- )
|
---|
770 | {
|
---|
771 | if( n == 0 ) {
|
---|
772 | mbedtls_aria_crypt_ecb( ctx, nonce_counter,
|
---|
773 | stream_block );
|
---|
774 |
|
---|
775 | for( i = MBEDTLS_ARIA_BLOCKSIZE; i > 0; i-- )
|
---|
776 | if( ++nonce_counter[i - 1] != 0 )
|
---|
777 | break;
|
---|
778 | }
|
---|
779 | c = *input++;
|
---|
780 | *output++ = (unsigned char)( c ^ stream_block[n] );
|
---|
781 |
|
---|
782 | n = ( n + 1 ) & 0x0F;
|
---|
783 | }
|
---|
784 |
|
---|
785 | *nc_off = n;
|
---|
786 |
|
---|
787 | return( 0 );
|
---|
788 | }
|
---|
789 | #endif /* MBEDTLS_CIPHER_MODE_CTR */
|
---|
790 | #endif /* !MBEDTLS_ARIA_ALT */
|
---|
791 |
|
---|
792 | #if defined(MBEDTLS_SELF_TEST)
|
---|
793 |
|
---|
794 | /*
|
---|
795 | * Basic ARIA ECB test vectors from RFC 5794
|
---|
796 | */
|
---|
797 | static const uint8_t aria_test1_ecb_key[32] = // test key
|
---|
798 | {
|
---|
799 | 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, // 128 bit
|
---|
800 | 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
|
---|
801 | 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, // 192 bit
|
---|
802 | 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F // 256 bit
|
---|
803 | };
|
---|
804 |
|
---|
805 | static const uint8_t aria_test1_ecb_pt[MBEDTLS_ARIA_BLOCKSIZE] = // plaintext
|
---|
806 | {
|
---|
807 | 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, // same for all
|
---|
808 | 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF // key sizes
|
---|
809 | };
|
---|
810 |
|
---|
811 | static const uint8_t aria_test1_ecb_ct[3][MBEDTLS_ARIA_BLOCKSIZE] = // ciphertext
|
---|
812 | {
|
---|
813 | { 0xD7, 0x18, 0xFB, 0xD6, 0xAB, 0x64, 0x4C, 0x73, // 128 bit
|
---|
814 | 0x9D, 0xA9, 0x5F, 0x3B, 0xE6, 0x45, 0x17, 0x78 },
|
---|
815 | { 0x26, 0x44, 0x9C, 0x18, 0x05, 0xDB, 0xE7, 0xAA, // 192 bit
|
---|
816 | 0x25, 0xA4, 0x68, 0xCE, 0x26, 0x3A, 0x9E, 0x79 },
|
---|
817 | { 0xF9, 0x2B, 0xD7, 0xC7, 0x9F, 0xB7, 0x2E, 0x2F, // 256 bit
|
---|
818 | 0x2B, 0x8F, 0x80, 0xC1, 0x97, 0x2D, 0x24, 0xFC }
|
---|
819 | };
|
---|
820 |
|
---|
821 | /*
|
---|
822 | * Mode tests from "Test Vectors for ARIA" Version 1.0
|
---|
823 | * http://210.104.33.10/ARIA/doc/ARIA-testvector-e.pdf
|
---|
824 | */
|
---|
825 | #if (defined(MBEDTLS_CIPHER_MODE_CBC) || defined(MBEDTLS_CIPHER_MODE_CFB) || \
|
---|
826 | defined(MBEDTLS_CIPHER_MODE_CTR))
|
---|
827 | static const uint8_t aria_test2_key[32] =
|
---|
828 | {
|
---|
829 | 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, // 128 bit
|
---|
830 | 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
|
---|
831 | 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, // 192 bit
|
---|
832 | 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff // 256 bit
|
---|
833 | };
|
---|
834 |
|
---|
835 | static const uint8_t aria_test2_pt[48] =
|
---|
836 | {
|
---|
837 | 0x11, 0x11, 0x11, 0x11, 0xaa, 0xaa, 0xaa, 0xaa, // same for all
|
---|
838 | 0x11, 0x11, 0x11, 0x11, 0xbb, 0xbb, 0xbb, 0xbb,
|
---|
839 | 0x11, 0x11, 0x11, 0x11, 0xcc, 0xcc, 0xcc, 0xcc,
|
---|
840 | 0x11, 0x11, 0x11, 0x11, 0xdd, 0xdd, 0xdd, 0xdd,
|
---|
841 | 0x22, 0x22, 0x22, 0x22, 0xaa, 0xaa, 0xaa, 0xaa,
|
---|
842 | 0x22, 0x22, 0x22, 0x22, 0xbb, 0xbb, 0xbb, 0xbb,
|
---|
843 | };
|
---|
844 | #endif
|
---|
845 |
|
---|
846 | #if (defined(MBEDTLS_CIPHER_MODE_CBC) || defined(MBEDTLS_CIPHER_MODE_CFB))
|
---|
847 | static const uint8_t aria_test2_iv[MBEDTLS_ARIA_BLOCKSIZE] =
|
---|
848 | {
|
---|
849 | 0x0f, 0x1e, 0x2d, 0x3c, 0x4b, 0x5a, 0x69, 0x78, // same for CBC, CFB
|
---|
850 | 0x87, 0x96, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0 // CTR has zero IV
|
---|
851 | };
|
---|
852 | #endif
|
---|
853 |
|
---|
854 | #if defined(MBEDTLS_CIPHER_MODE_CBC)
|
---|
855 | static const uint8_t aria_test2_cbc_ct[3][48] = // CBC ciphertext
|
---|
856 | {
|
---|
857 | { 0x49, 0xd6, 0x18, 0x60, 0xb1, 0x49, 0x09, 0x10, // 128-bit key
|
---|
858 | 0x9c, 0xef, 0x0d, 0x22, 0xa9, 0x26, 0x81, 0x34,
|
---|
859 | 0xfa, 0xdf, 0x9f, 0xb2, 0x31, 0x51, 0xe9, 0x64,
|
---|
860 | 0x5f, 0xba, 0x75, 0x01, 0x8b, 0xdb, 0x15, 0x38,
|
---|
861 | 0xb5, 0x33, 0x34, 0x63, 0x4b, 0xbf, 0x7d, 0x4c,
|
---|
862 | 0xd4, 0xb5, 0x37, 0x70, 0x33, 0x06, 0x0c, 0x15 },
|
---|
863 | { 0xaf, 0xe6, 0xcf, 0x23, 0x97, 0x4b, 0x53, 0x3c, // 192-bit key
|
---|
864 | 0x67, 0x2a, 0x82, 0x62, 0x64, 0xea, 0x78, 0x5f,
|
---|
865 | 0x4e, 0x4f, 0x7f, 0x78, 0x0d, 0xc7, 0xf3, 0xf1,
|
---|
866 | 0xe0, 0x96, 0x2b, 0x80, 0x90, 0x23, 0x86, 0xd5,
|
---|
867 | 0x14, 0xe9, 0xc3, 0xe7, 0x72, 0x59, 0xde, 0x92,
|
---|
868 | 0xdd, 0x11, 0x02, 0xff, 0xab, 0x08, 0x6c, 0x1e },
|
---|
869 | { 0x52, 0x3a, 0x8a, 0x80, 0x6a, 0xe6, 0x21, 0xf1, // 256-bit key
|
---|
870 | 0x55, 0xfd, 0xd2, 0x8d, 0xbc, 0x34, 0xe1, 0xab,
|
---|
871 | 0x7b, 0x9b, 0x42, 0x43, 0x2a, 0xd8, 0xb2, 0xef,
|
---|
872 | 0xb9, 0x6e, 0x23, 0xb1, 0x3f, 0x0a, 0x6e, 0x52,
|
---|
873 | 0xf3, 0x61, 0x85, 0xd5, 0x0a, 0xd0, 0x02, 0xc5,
|
---|
874 | 0xf6, 0x01, 0xbe, 0xe5, 0x49, 0x3f, 0x11, 0x8b }
|
---|
875 | };
|
---|
876 | #endif /* MBEDTLS_CIPHER_MODE_CBC */
|
---|
877 |
|
---|
878 | #if defined(MBEDTLS_CIPHER_MODE_CFB)
|
---|
879 | static const uint8_t aria_test2_cfb_ct[3][48] = // CFB ciphertext
|
---|
880 | {
|
---|
881 | { 0x37, 0x20, 0xe5, 0x3b, 0xa7, 0xd6, 0x15, 0x38, // 128-bit key
|
---|
882 | 0x34, 0x06, 0xb0, 0x9f, 0x0a, 0x05, 0xa2, 0x00,
|
---|
883 | 0xc0, 0x7c, 0x21, 0xe6, 0x37, 0x0f, 0x41, 0x3a,
|
---|
884 | 0x5d, 0x13, 0x25, 0x00, 0xa6, 0x82, 0x85, 0x01,
|
---|
885 | 0x7c, 0x61, 0xb4, 0x34, 0xc7, 0xb7, 0xca, 0x96,
|
---|
886 | 0x85, 0xa5, 0x10, 0x71, 0x86, 0x1e, 0x4d, 0x4b },
|
---|
887 | { 0x41, 0x71, 0xf7, 0x19, 0x2b, 0xf4, 0x49, 0x54, // 192-bit key
|
---|
888 | 0x94, 0xd2, 0x73, 0x61, 0x29, 0x64, 0x0f, 0x5c,
|
---|
889 | 0x4d, 0x87, 0xa9, 0xa2, 0x13, 0x66, 0x4c, 0x94,
|
---|
890 | 0x48, 0x47, 0x7c, 0x6e, 0xcc, 0x20, 0x13, 0x59,
|
---|
891 | 0x8d, 0x97, 0x66, 0x95, 0x2d, 0xd8, 0xc3, 0x86,
|
---|
892 | 0x8f, 0x17, 0xe3, 0x6e, 0xf6, 0x6f, 0xd8, 0x4b },
|
---|
893 | { 0x26, 0x83, 0x47, 0x05, 0xb0, 0xf2, 0xc0, 0xe2, // 256-bit key
|
---|
894 | 0x58, 0x8d, 0x4a, 0x7f, 0x09, 0x00, 0x96, 0x35,
|
---|
895 | 0xf2, 0x8b, 0xb9, 0x3d, 0x8c, 0x31, 0xf8, 0x70,
|
---|
896 | 0xec, 0x1e, 0x0b, 0xdb, 0x08, 0x2b, 0x66, 0xfa,
|
---|
897 | 0x40, 0x2d, 0xd9, 0xc2, 0x02, 0xbe, 0x30, 0x0c,
|
---|
898 | 0x45, 0x17, 0xd1, 0x96, 0xb1, 0x4d, 0x4c, 0xe1 }
|
---|
899 | };
|
---|
900 | #endif /* MBEDTLS_CIPHER_MODE_CFB */
|
---|
901 |
|
---|
902 | #if defined(MBEDTLS_CIPHER_MODE_CTR)
|
---|
903 | static const uint8_t aria_test2_ctr_ct[3][48] = // CTR ciphertext
|
---|
904 | {
|
---|
905 | { 0xac, 0x5d, 0x7d, 0xe8, 0x05, 0xa0, 0xbf, 0x1c, // 128-bit key
|
---|
906 | 0x57, 0xc8, 0x54, 0x50, 0x1a, 0xf6, 0x0f, 0xa1,
|
---|
907 | 0x14, 0x97, 0xe2, 0xa3, 0x45, 0x19, 0xde, 0xa1,
|
---|
908 | 0x56, 0x9e, 0x91, 0xe5, 0xb5, 0xcc, 0xae, 0x2f,
|
---|
909 | 0xf3, 0xbf, 0xa1, 0xbf, 0x97, 0x5f, 0x45, 0x71,
|
---|
910 | 0xf4, 0x8b, 0xe1, 0x91, 0x61, 0x35, 0x46, 0xc3 },
|
---|
911 | { 0x08, 0x62, 0x5c, 0xa8, 0xfe, 0x56, 0x9c, 0x19, // 192-bit key
|
---|
912 | 0xba, 0x7a, 0xf3, 0x76, 0x0a, 0x6e, 0xd1, 0xce,
|
---|
913 | 0xf4, 0xd1, 0x99, 0x26, 0x3e, 0x99, 0x9d, 0xde,
|
---|
914 | 0x14, 0x08, 0x2d, 0xbb, 0xa7, 0x56, 0x0b, 0x79,
|
---|
915 | 0xa4, 0xc6, 0xb4, 0x56, 0xb8, 0x70, 0x7d, 0xce,
|
---|
916 | 0x75, 0x1f, 0x98, 0x54, 0xf1, 0x88, 0x93, 0xdf },
|
---|
917 | { 0x30, 0x02, 0x6c, 0x32, 0x96, 0x66, 0x14, 0x17, // 256-bit key
|
---|
918 | 0x21, 0x17, 0x8b, 0x99, 0xc0, 0xa1, 0xf1, 0xb2,
|
---|
919 | 0xf0, 0x69, 0x40, 0x25, 0x3f, 0x7b, 0x30, 0x89,
|
---|
920 | 0xe2, 0xa3, 0x0e, 0xa8, 0x6a, 0xa3, 0xc8, 0x8f,
|
---|
921 | 0x59, 0x40, 0xf0, 0x5a, 0xd7, 0xee, 0x41, 0xd7,
|
---|
922 | 0x13, 0x47, 0xbb, 0x72, 0x61, 0xe3, 0x48, 0xf1 }
|
---|
923 | };
|
---|
924 | #endif /* MBEDTLS_CIPHER_MODE_CFB */
|
---|
925 |
|
---|
926 | #define ARIA_SELF_TEST_IF_FAIL \
|
---|
927 | { \
|
---|
928 | if( verbose ) \
|
---|
929 | mbedtls_printf( "failed\n" ); \
|
---|
930 | return( 1 ); \
|
---|
931 | } else { \
|
---|
932 | if( verbose ) \
|
---|
933 | mbedtls_printf( "passed\n" ); \
|
---|
934 | }
|
---|
935 |
|
---|
936 | /*
|
---|
937 | * Checkup routine
|
---|
938 | */
|
---|
939 | int mbedtls_aria_self_test( int verbose )
|
---|
940 | {
|
---|
941 | int i;
|
---|
942 | uint8_t blk[MBEDTLS_ARIA_BLOCKSIZE];
|
---|
943 | mbedtls_aria_context ctx;
|
---|
944 |
|
---|
945 | #if (defined(MBEDTLS_CIPHER_MODE_CFB) || defined(MBEDTLS_CIPHER_MODE_CTR))
|
---|
946 | size_t j;
|
---|
947 | #endif
|
---|
948 |
|
---|
949 | #if (defined(MBEDTLS_CIPHER_MODE_CBC) || \
|
---|
950 | defined(MBEDTLS_CIPHER_MODE_CFB) || \
|
---|
951 | defined(MBEDTLS_CIPHER_MODE_CTR))
|
---|
952 | uint8_t buf[48], iv[MBEDTLS_ARIA_BLOCKSIZE];
|
---|
953 | #endif
|
---|
954 |
|
---|
955 | /*
|
---|
956 | * Test set 1
|
---|
957 | */
|
---|
958 | for( i = 0; i < 3; i++ )
|
---|
959 | {
|
---|
960 | /* test ECB encryption */
|
---|
961 | if( verbose )
|
---|
962 | mbedtls_printf( " ARIA-ECB-%d (enc): ", 128 + 64 * i );
|
---|
963 | mbedtls_aria_setkey_enc( &ctx, aria_test1_ecb_key, 128 + 64 * i );
|
---|
964 | mbedtls_aria_crypt_ecb( &ctx, aria_test1_ecb_pt, blk );
|
---|
965 | if( memcmp( blk, aria_test1_ecb_ct[i], MBEDTLS_ARIA_BLOCKSIZE ) != 0 )
|
---|
966 | ARIA_SELF_TEST_IF_FAIL;
|
---|
967 |
|
---|
968 | /* test ECB decryption */
|
---|
969 | if( verbose )
|
---|
970 | mbedtls_printf( " ARIA-ECB-%d (dec): ", 128 + 64 * i );
|
---|
971 | mbedtls_aria_setkey_dec( &ctx, aria_test1_ecb_key, 128 + 64 * i );
|
---|
972 | mbedtls_aria_crypt_ecb( &ctx, aria_test1_ecb_ct[i], blk );
|
---|
973 | if( memcmp( blk, aria_test1_ecb_pt, MBEDTLS_ARIA_BLOCKSIZE ) != 0 )
|
---|
974 | ARIA_SELF_TEST_IF_FAIL;
|
---|
975 | }
|
---|
976 | if( verbose )
|
---|
977 | mbedtls_printf( "\n" );
|
---|
978 |
|
---|
979 | /*
|
---|
980 | * Test set 2
|
---|
981 | */
|
---|
982 | #if defined(MBEDTLS_CIPHER_MODE_CBC)
|
---|
983 | for( i = 0; i < 3; i++ )
|
---|
984 | {
|
---|
985 | /* Test CBC encryption */
|
---|
986 | if( verbose )
|
---|
987 | mbedtls_printf( " ARIA-CBC-%d (enc): ", 128 + 64 * i );
|
---|
988 | mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
|
---|
989 | memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
|
---|
990 | memset( buf, 0x55, sizeof( buf ) );
|
---|
991 | mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_ENCRYPT, 48, iv,
|
---|
992 | aria_test2_pt, buf );
|
---|
993 | if( memcmp( buf, aria_test2_cbc_ct[i], 48 ) != 0 )
|
---|
994 | ARIA_SELF_TEST_IF_FAIL;
|
---|
995 |
|
---|
996 | /* Test CBC decryption */
|
---|
997 | if( verbose )
|
---|
998 | mbedtls_printf( " ARIA-CBC-%d (dec): ", 128 + 64 * i );
|
---|
999 | mbedtls_aria_setkey_dec( &ctx, aria_test2_key, 128 + 64 * i );
|
---|
1000 | memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
|
---|
1001 | memset( buf, 0xAA, sizeof( buf ) );
|
---|
1002 | mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_DECRYPT, 48, iv,
|
---|
1003 | aria_test2_cbc_ct[i], buf );
|
---|
1004 | if( memcmp( buf, aria_test2_pt, 48 ) != 0 )
|
---|
1005 | ARIA_SELF_TEST_IF_FAIL;
|
---|
1006 | }
|
---|
1007 | if( verbose )
|
---|
1008 | mbedtls_printf( "\n" );
|
---|
1009 |
|
---|
1010 | #endif /* MBEDTLS_CIPHER_MODE_CBC */
|
---|
1011 |
|
---|
1012 | #if defined(MBEDTLS_CIPHER_MODE_CFB)
|
---|
1013 | for( i = 0; i < 3; i++ )
|
---|
1014 | {
|
---|
1015 | /* Test CFB encryption */
|
---|
1016 | if( verbose )
|
---|
1017 | mbedtls_printf( " ARIA-CFB-%d (enc): ", 128 + 64 * i );
|
---|
1018 | mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
|
---|
1019 | memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
|
---|
1020 | memset( buf, 0x55, sizeof( buf ) );
|
---|
1021 | j = 0;
|
---|
1022 | mbedtls_aria_crypt_cfb128( &ctx, MBEDTLS_ARIA_ENCRYPT, 48, &j, iv,
|
---|
1023 | aria_test2_pt, buf );
|
---|
1024 | if( memcmp( buf, aria_test2_cfb_ct[i], 48 ) != 0 )
|
---|
1025 | ARIA_SELF_TEST_IF_FAIL;
|
---|
1026 |
|
---|
1027 | /* Test CFB decryption */
|
---|
1028 | if( verbose )
|
---|
1029 | mbedtls_printf( " ARIA-CFB-%d (dec): ", 128 + 64 * i );
|
---|
1030 | mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
|
---|
1031 | memcpy( iv, aria_test2_iv, MBEDTLS_ARIA_BLOCKSIZE );
|
---|
1032 | memset( buf, 0xAA, sizeof( buf ) );
|
---|
1033 | j = 0;
|
---|
1034 | mbedtls_aria_crypt_cfb128( &ctx, MBEDTLS_ARIA_DECRYPT, 48, &j,
|
---|
1035 | iv, aria_test2_cfb_ct[i], buf );
|
---|
1036 | if( memcmp( buf, aria_test2_pt, 48 ) != 0 )
|
---|
1037 | ARIA_SELF_TEST_IF_FAIL;
|
---|
1038 | }
|
---|
1039 | if( verbose )
|
---|
1040 | mbedtls_printf( "\n" );
|
---|
1041 | #endif /* MBEDTLS_CIPHER_MODE_CFB */
|
---|
1042 |
|
---|
1043 | #if defined(MBEDTLS_CIPHER_MODE_CTR)
|
---|
1044 | for( i = 0; i < 3; i++ )
|
---|
1045 | {
|
---|
1046 | /* Test CTR encryption */
|
---|
1047 | if( verbose )
|
---|
1048 | mbedtls_printf( " ARIA-CTR-%d (enc): ", 128 + 64 * i );
|
---|
1049 | mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
|
---|
1050 | memset( iv, 0, MBEDTLS_ARIA_BLOCKSIZE ); // IV = 0
|
---|
1051 | memset( buf, 0x55, sizeof( buf ) );
|
---|
1052 | j = 0;
|
---|
1053 | mbedtls_aria_crypt_ctr( &ctx, 48, &j, iv, blk,
|
---|
1054 | aria_test2_pt, buf );
|
---|
1055 | if( memcmp( buf, aria_test2_ctr_ct[i], 48 ) != 0 )
|
---|
1056 | ARIA_SELF_TEST_IF_FAIL;
|
---|
1057 |
|
---|
1058 | /* Test CTR decryption */
|
---|
1059 | if( verbose )
|
---|
1060 | mbedtls_printf( " ARIA-CTR-%d (dec): ", 128 + 64 * i );
|
---|
1061 | mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
|
---|
1062 | memset( iv, 0, MBEDTLS_ARIA_BLOCKSIZE ); // IV = 0
|
---|
1063 | memset( buf, 0xAA, sizeof( buf ) );
|
---|
1064 | j = 0;
|
---|
1065 | mbedtls_aria_crypt_ctr( &ctx, 48, &j, iv, blk,
|
---|
1066 | aria_test2_ctr_ct[i], buf );
|
---|
1067 | if( memcmp( buf, aria_test2_pt, 48 ) != 0 )
|
---|
1068 | ARIA_SELF_TEST_IF_FAIL;
|
---|
1069 | }
|
---|
1070 | if( verbose )
|
---|
1071 | mbedtls_printf( "\n" );
|
---|
1072 | #endif /* MBEDTLS_CIPHER_MODE_CTR */
|
---|
1073 |
|
---|
1074 | return( 0 );
|
---|
1075 | }
|
---|
1076 |
|
---|
1077 | #endif /* MBEDTLS_SELF_TEST */
|
---|
1078 |
|
---|
1079 | #endif /* MBEDTLS_ARIA_C */
|
---|