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mbedtls/library/aria.c

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ARIA cipher implementation
2017-11-30 12:37:55 +01:00
/*
* ARIA implementation
*
* Copyright (C) 2006-2017, 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)
*/
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_ARIA_C)
#include "mbedtls/aria.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_ARIA_ALT)
// 32-bit integer manipulation macros (little endian)
#ifndef GET_UINT32_LE
#define GET_UINT32_LE(n,b,i) \
{ \
(n) = ( (uint32_t) (b)[(i) ] ) \
| ( (uint32_t) (b)[(i) + 1] << 8 ) \
| ( (uint32_t) (b)[(i) + 2] << 16 ) \
| ( (uint32_t) (b)[(i) + 3] << 24 ); \
}
#endif
#ifndef PUT_UINT32_LE
#define PUT_UINT32_LE(n,b,i) \
{ \
(b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
(b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
(b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
(b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
}
#endif
// FLIP1 modifies byte order ( A B C D ) -> ( C D A B ), i.e. rotate by 16 bits
#define ARIA_FLIP1(x) (((x) >> 16) ^ ((x) << 16))
// FLIP2 modifies byte order ( A B C D ) -> ( B A D C ), swap pairs of bytes
#define ARIA_FLIP2(x) ((((x) >> 8) & 0x00FF00FF) ^ (((x) & 0x00FF00FF) << 8))
// Affine Transform A
// (ra, rb, rc, rd) = state in/out
// (ta, tb, tc) = temporary variables
#define ARIA_A( ra, rb, rc, rd, ta, tb, tc ) { \
ta = rb; \
rb = ra; \
ra = ARIA_FLIP1( ta ); \
tb = ARIA_FLIP1( rd ); \
rd = ARIA_FLIP2( rc ); \
rc = ARIA_FLIP2( tb ); \
ta ^= rd; \
tc = ARIA_FLIP1( rb ); \
ta = ARIA_FLIP2( ta ) ^ tc ^ rc; \
tb ^= ARIA_FLIP1( rd ); \
tc ^= ARIA_FLIP2( ra ); \
rb ^= ta ^ tb; \
tb = ARIA_FLIP1( tb ) ^ ta; \
ra ^= ARIA_FLIP2( tb ); \
ta = ARIA_FLIP1( ta ); \
rd ^= ARIA_FLIP2( ta ) ^ tc; \
tc = ARIA_FLIP1( tc ); \
rc ^= ARIA_FLIP2( tc ) ^ ta; \
}
// ARIA Round function ( Substitution Layer SLx + Affine Transform A )
// (ra, rb, rc, rd) = state in/out
// (sa, sb, sc, sd) = 256 8-bit S-Boxes
// (ta, tb, tc) = temporary variables
#define ARIA_SLA( ra, rb, rc, rd, sa, sb, sc, sd, ta, tb, tc ) { \
ta = ( (uint32_t) sc[(rb >> 16) & 0xFF]) ^ \
(((uint32_t) sd[ rb >> 24]) << 8) ^ \
(((uint32_t) sa[ rb & 0xFF]) << 16) ^ \
(((uint32_t) sb[(rb >> 8) & 0xFF]) << 24); \
rb = ( (uint32_t) sa[ ra & 0xFF]) ^ \
(((uint32_t) sb[(ra >> 8) & 0xFF]) << 8) ^ \
(((uint32_t) sc[(ra >> 16) & 0xFF]) << 16) ^ \
(((uint32_t) sd[ ra >> 24]) << 24); \
ra = ta; \
ta = ( (uint32_t) sd[ rd >> 24]) ^ \
(((uint32_t) sc[(rd >> 16) & 0xFF]) << 8) ^ \
(((uint32_t) sb[(rd >> 8) & 0xFF]) << 16) ^ \
(((uint32_t) sa[ rd & 0xFF]) << 24); \
rd = ( (uint32_t) sb[(rc >> 8) & 0xFF]) ^ \
(((uint32_t) sa[ rc & 0xFF]) << 8) ^ \
(((uint32_t) sd[ rc >> 24]) << 16) ^ \
(((uint32_t) sc[(rc >> 16) & 0xFF]) << 24); \
rc = ta; \
ta = ARIA_FLIP1( ra ) ^ rd; \
tc = ARIA_FLIP1( rb ); \
ta = ARIA_FLIP2( ta ) ^ tc ^ rc; \
tb = ARIA_FLIP2( rc ) ^ ARIA_FLIP1( rd ); \
tc ^= ARIA_FLIP2( ra ); \
ARIA init and free
2017-12-01 15:26:21 +01:00
rb ^= ta ^ tb; \
ARIA cipher implementation
2017-11-30 12:37:55 +01:00
tb = ARIA_FLIP1( tb ) ^ ta; \
ra ^= ARIA_FLIP2( tb ); \
ta = ARIA_FLIP1( ta ); \
rd ^= ARIA_FLIP2( ta ) ^ tc; \
tc = ARIA_FLIP1( tc ); \
rc ^= ARIA_FLIP2( tc ) ^ ta; \
}
// S-Boxes
static const uint8_t aria_sb1[0x100] =
{
0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B,
0xFE, 0xD7, 0xAB, 0x76, 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, 0xB7, 0xFD, 0x93, 0x26,
0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2,
0xEB, 0x27, 0xB2, 0x75, 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, 0x53, 0xD1, 0x00, 0xED,
0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F,
0x50, 0x3C, 0x9F, 0xA8, 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, 0xCD, 0x0C, 0x13, 0xEC,
0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14,
0xDE, 0x5E, 0x0B, 0xDB, 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, 0xE7, 0xC8, 0x37, 0x6D,
0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F,
0x4B, 0xBD, 0x8B, 0x8A, 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, 0xE1, 0xF8, 0x98, 0x11,
0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F,
0xB0, 0x54, 0xBB, 0x16
};
static const uint8_t aria_sb2[0x100] =
{
0xE2, 0x4E, 0x54, 0xFC, 0x94, 0xC2, 0x4A, 0xCC, 0x62, 0x0D, 0x6A, 0x46,
0x3C, 0x4D, 0x8B, 0xD1, 0x5E, 0xFA, 0x64, 0xCB, 0xB4, 0x97, 0xBE, 0x2B,
0xBC, 0x77, 0x2E, 0x03, 0xD3, 0x19, 0x59, 0xC1, 0x1D, 0x06, 0x41, 0x6B,
0x55, 0xF0, 0x99, 0x69, 0xEA, 0x9C, 0x18, 0xAE, 0x63, 0xDF, 0xE7, 0xBB,
0x00, 0x73, 0x66, 0xFB, 0x96, 0x4C, 0x85, 0xE4, 0x3A, 0x09, 0x45, 0xAA,
0x0F, 0xEE, 0x10, 0xEB, 0x2D, 0x7F, 0xF4, 0x29, 0xAC, 0xCF, 0xAD, 0x91,
0x8D, 0x78, 0xC8, 0x95, 0xF9, 0x2F, 0xCE, 0xCD, 0x08, 0x7A, 0x88, 0x38,
0x5C, 0x83, 0x2A, 0x28, 0x47, 0xDB, 0xB8, 0xC7, 0x93, 0xA4, 0x12, 0x53,
0xFF, 0x87, 0x0E, 0x31, 0x36, 0x21, 0x58, 0x48, 0x01, 0x8E, 0x37, 0x74,
0x32, 0xCA, 0xE9, 0xB1, 0xB7, 0xAB, 0x0C, 0xD7, 0xC4, 0x56, 0x42, 0x26,
0x07, 0x98, 0x60, 0xD9, 0xB6, 0xB9, 0x11, 0x40, 0xEC, 0x20, 0x8C, 0xBD,
0xA0, 0xC9, 0x84, 0x04, 0x49, 0x23, 0xF1, 0x4F, 0x50, 0x1F, 0x13, 0xDC,
0xD8, 0xC0, 0x9E, 0x57, 0xE3, 0xC3, 0x7B, 0x65, 0x3B, 0x02, 0x8F, 0x3E,
0xE8, 0x25, 0x92, 0xE5, 0x15, 0xDD, 0xFD, 0x17, 0xA9, 0xBF, 0xD4, 0x9A,
0x7E, 0xC5, 0x39, 0x67, 0xFE, 0x76, 0x9D, 0x43, 0xA7, 0xE1, 0xD0, 0xF5,
0x68, 0xF2, 0x1B, 0x34, 0x70, 0x05, 0xA3, 0x8A, 0xD5, 0x79, 0x86, 0xA8,
0x30, 0xC6, 0x51, 0x4B, 0x1E, 0xA6, 0x27, 0xF6, 0x35, 0xD2, 0x6E, 0x24,
0x16, 0x82, 0x5F, 0xDA, 0xE6, 0x75, 0xA2, 0xEF, 0x2C, 0xB2, 0x1C, 0x9F,
0x5D, 0x6F, 0x80, 0x0A, 0x72, 0x44, 0x9B, 0x6C, 0x90, 0x0B, 0x5B, 0x33,
0x7D, 0x5A, 0x52, 0xF3, 0x61, 0xA1, 0xF7, 0xB0, 0xD6, 0x3F, 0x7C, 0x6D,
0xED, 0x14, 0xE0, 0xA5, 0x3D, 0x22, 0xB3, 0xF8, 0x89, 0xDE, 0x71, 0x1A,
0xAF, 0xBA, 0xB5, 0x81
};
static const uint8_t aria_is1[0x100] =
{
0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E,
0x81, 0xF3, 0xD7, 0xFB, 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, 0x54, 0x7B, 0x94, 0x32,
0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49,
0x6D, 0x8B, 0xD1, 0x25, 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, 0x6C, 0x70, 0x48, 0x50,
0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05,
0xB8, 0xB3, 0x45, 0x06, 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, 0x3A, 0x91, 0x11, 0x41,
0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8,
0x1C, 0x75, 0xDF, 0x6E, 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, 0xFC, 0x56, 0x3E, 0x4B,
0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59,
0x27, 0x80, 0xEC, 0x5F, 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, 0xA0, 0xE0, 0x3B, 0x4D,
0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63,
0x55, 0x21, 0x0C, 0x7D
};
static const uint8_t aria_is2[0x100] =
{
0x30, 0x68, 0x99, 0x1B, 0x87, 0xB9, 0x21, 0x78, 0x50, 0x39, 0xDB, 0xE1,
0x72, 0x09, 0x62, 0x3C, 0x3E, 0x7E, 0x5E, 0x8E, 0xF1, 0xA0, 0xCC, 0xA3,
0x2A, 0x1D, 0xFB, 0xB6, 0xD6, 0x20, 0xC4, 0x8D, 0x81, 0x65, 0xF5, 0x89,
0xCB, 0x9D, 0x77, 0xC6, 0x57, 0x43, 0x56, 0x17, 0xD4, 0x40, 0x1A, 0x4D,
0xC0, 0x63, 0x6C, 0xE3, 0xB7, 0xC8, 0x64, 0x6A, 0x53, 0xAA, 0x38, 0x98,
0x0C, 0xF4, 0x9B, 0xED, 0x7F, 0x22, 0x76, 0xAF, 0xDD, 0x3A, 0x0B, 0x58,
0x67, 0x88, 0x06, 0xC3, 0x35, 0x0D, 0x01, 0x8B, 0x8C, 0xC2, 0xE6, 0x5F,
0x02, 0x24, 0x75, 0x93, 0x66, 0x1E, 0xE5, 0xE2, 0x54, 0xD8, 0x10, 0xCE,
0x7A, 0xE8, 0x08, 0x2C, 0x12, 0x97, 0x32, 0xAB, 0xB4, 0x27, 0x0A, 0x23,
0xDF, 0xEF, 0xCA, 0xD9, 0xB8, 0xFA, 0xDC, 0x31, 0x6B, 0xD1, 0xAD, 0x19,
0x49, 0xBD, 0x51, 0x96, 0xEE, 0xE4, 0xA8, 0x41, 0xDA, 0xFF, 0xCD, 0x55,
0x86, 0x36, 0xBE, 0x61, 0x52, 0xF8, 0xBB, 0x0E, 0x82, 0x48, 0x69, 0x9A,
0xE0, 0x47, 0x9E, 0x5C, 0x04, 0x4B, 0x34, 0x15, 0x79, 0x26, 0xA7, 0xDE,
0x29, 0xAE, 0x92, 0xD7, 0x84, 0xE9, 0xD2, 0xBA, 0x5D, 0xF3, 0xC5, 0xB0,
0xBF, 0xA4, 0x3B, 0x71, 0x44, 0x46, 0x2B, 0xFC, 0xEB, 0x6F, 0xD5, 0xF6,
0x14, 0xFE, 0x7C, 0x70, 0x5A, 0x7D, 0xFD, 0x2F, 0x18, 0x83, 0x16, 0xA5,
0x91, 0x1F, 0x05, 0x95, 0x74, 0xA9, 0xC1, 0x5B, 0x4A, 0x85, 0x6D, 0x13,
0x07, 0x4F, 0x4E, 0x45, 0xB2, 0x0F, 0xC9, 0x1C, 0xA6, 0xBC, 0xEC, 0x73,
0x90, 0x7B, 0xCF, 0x59, 0x8F, 0xA1, 0xF9, 0x2D, 0xF2, 0xB1, 0x00, 0x94,
0x37, 0x9F, 0xD0, 0x2E, 0x9C, 0x6E, 0x28, 0x3F, 0x80, 0xF0, 0x3D, 0xD3,
0x25, 0x8A, 0xB5, 0xE7, 0x42, 0xB3, 0xC7, 0xEA, 0xF7, 0x4C, 0x11, 0x33,
0x03, 0xA2, 0xAC, 0x60
};
// FO and FE are helpers for key schedule
// r = FO( p, k ) ^ x
static void aria_fo( uint32_t r[4],
const uint32_t p[4], const uint32_t k[4], const uint32_t x[4] )
{
uint32_t a, b, c, d;
uint32_t t, u, v;
a = p[0] ^ k[0];
b = p[1] ^ k[1];
c = p[2] ^ k[2];
d = p[3] ^ k[3];
ARIA_SLA( a, b, c, d, aria_sb1, aria_sb2, aria_is1, aria_is2, t, u, v );
r[0] = a ^ x[0];
r[1] = b ^ x[1];
r[2] = c ^ x[2];
r[3] = d ^ x[3];
}
// r = FE( p, k ) ^ x
static void aria_fe(uint32_t r[4],
const uint32_t p[4], const uint32_t k[4], const uint32_t x[4] )
{
uint32_t a, b, c, d;
uint32_t t, u, v;
a = p[0] ^ k[0];
b = p[1] ^ k[1];
c = p[2] ^ k[2];
d = p[3] ^ k[3];
ARIA_SLA( a, b, c, d, aria_is1, aria_is2, aria_sb1, aria_sb2, t, u, v );
r[0] = a ^ x[0];
r[1] = b ^ x[1];
r[2] = c ^ x[2];
r[3] = d ^ x[3];
}
// Big endian 128-bit rotation: d = a ^ (b <<< n), used only in key setup.
// This is relatively slow since our implementation is geared towards
// little-endian targets and stores state in that order.
static void aria_rot128(uint32_t r[4], const uint32_t a[4],
const uint32_t b[4], int n)
{
int i, j, n1, n2;
uint32_t t, u;
j = (n >> 5) & 3; // word offset
n1 = n & 0x1F; // bit offsets
n2 = 32 - n1; // n1 should be nonzero!
t = ARIA_FLIP1( ARIA_FLIP2( b[j] ) ); // big endian
for( i = 0; i < 4; i++ )
{
j = (j + 1) & 3; // get next word, big endian
u = ARIA_FLIP1( ARIA_FLIP2( b[j] ) );
t <<= n1; // rotate
if (n2 < 32) // intel rotate 32 bits = 0 bits..
t |= u >> n2;
t = ARIA_FLIP1( ARIA_FLIP2( t ) ); // back to little endian
r[i] = a[i] ^ t; // store
t = u; // move to next word
}
}
// Set encryption key
int mbedtls_aria_setkey_enc(mbedtls_aria_context *ctx,
const unsigned char *key, unsigned int keybits)
{
// round constant masks
const uint32_t rc[3][4] =
{
{ 0xB7C17C51, 0x940A2227, 0xE8AB13FE, 0xE06E9AFA },
{ 0xCC4AB16D, 0x20C8219E, 0xD5B128FF, 0xB0E25DEF },
{ 0x1D3792DB, 0x70E92621, 0x75972403, 0x0EC9E804 }
};
int i;
uint32_t w[4][4], *w2;
if (keybits != 128 && keybits != 192 && keybits != 256)
return MBEDTLS_ERR_ARIA_INVALID_KEY_LENGTH;
// W0 = KL
GET_UINT32_LE( w[0][0], key, 0 ); // copy key to W0 | W1
GET_UINT32_LE( w[0][1], key, 4 );
GET_UINT32_LE( w[0][2], key, 8 );
GET_UINT32_LE( w[0][3], key, 12 );
memset(w[1], 0, 16);
if( keybits >= 192 )
{
GET_UINT32_LE( w[1][0], key, 16 ); // 192 bit key
GET_UINT32_LE( w[1][1], key, 20 );
}
if( keybits == 256 )
{
GET_UINT32_LE( w[1][2], key, 24 ); // 256 bit key
GET_UINT32_LE( w[1][3], key, 28 );
}
i = (keybits - 128) >> 6; // index: 0, 1, 2
ctx->nr = 12 + 2 * i; // no. rounds: 12, 14, 16
aria_fo( w[1], w[0], rc[i], w[1] ); // W1 = FO(W0, CK1) ^ KR
i = i < 2 ? i + 1 : 0;
aria_fe( w[2], w[1], rc[i], w[0] ); // W2 = FE(W1, CK2) ^ W0
i = i < 2 ? i + 1 : 0;
aria_fo( w[3], w[2], rc[i], w[1] ); // W3 = FO(W2, CK3) ^ W1
for( i = 0; i < 4; i++ ) // create round keys
{
w2 = w[(i + 1) & 3];
aria_rot128( ctx->rk[i ], w[i], w2, -19);
aria_rot128( ctx->rk[i + 4], w[i], w2, -31);
aria_rot128( ctx->rk[i + 8], w[i], w2, 61);
aria_rot128( ctx->rk[i + 12], w[i], w2, 31);
}
aria_rot128( ctx->rk[16], w[0], w[1], 19 );
return 0;
}
// Set decryption key
int mbedtls_aria_setkey_dec(mbedtls_aria_context *ctx,
const unsigned char *key, unsigned int keybits)
{
int i, j, k, ret;
uint32_t t, u, v;
ret = mbedtls_aria_setkey_enc( ctx, key, keybits );
if( ret != 0 )
return ret;
// flip the order of round keys
for( i = 0, j = ctx->nr; i < j; i++, j-- )
{
for( k = 0; k < 4; k++ )
{
t = ctx->rk[i][k];
ctx->rk[i][k] = ctx->rk[j][k];
ctx->rk[j][k] = t;
}
}
// apply affine transform to middle keys
for (i = 1; i < ctx->nr; i++ )
{
ARIA_A( ctx->rk[i][0], ctx->rk[i][1], ctx->rk[i][2], ctx->rk[i][3],
t, u, v );
}
return 0;
}
// Encrypt a block
int mbedtls_aria_crypt_ecb( mbedtls_aria_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] )
{
int i;
uint32_t a, b, c, d;
uint32_t t, u, v;
( (void) mode );
GET_UINT32_LE( a, input, 0 );
GET_UINT32_LE( b, input, 4 );
GET_UINT32_LE( c, input, 8 );
GET_UINT32_LE( d, input, 12 );
i = 0;
while (1)
{
a ^= ctx->rk[i][0];
b ^= ctx->rk[i][1];
c ^= ctx->rk[i][2];
d ^= ctx->rk[i][3];
i++;
ARIA_SLA( a, b, c, d,
aria_sb1, aria_sb2, aria_is1, aria_is2, t, u, v );
a ^= ctx->rk[i][0];
b ^= ctx->rk[i][1];
c ^= ctx->rk[i][2];
d ^= ctx->rk[i][3];
i++;
if (i >= ctx->nr)
break;
ARIA_SLA( a, b, c, d,
aria_is1, aria_is2, aria_sb1, aria_sb2, t, u, v );
}
// final substitution
a = ctx->rk[i][0] ^
( (uint32_t) aria_is1[ a & 0xFF]) ^
(((uint32_t) aria_is2[(a >> 8) & 0xFF]) << 8) ^
(((uint32_t) aria_sb1[(a >> 16) & 0xFF]) << 16) ^
(((uint32_t) aria_sb2[ a >> 24 ]) << 24);
b = ctx->rk[i][1] ^
( (uint32_t) aria_is1[ b & 0xFF]) ^
(((uint32_t) aria_is2[(b >> 8) & 0xFF]) << 8) ^
(((uint32_t) aria_sb1[(b >> 16) & 0xFF]) << 16) ^
(((uint32_t) aria_sb2[ b >> 24 ]) << 24);
c = ctx->rk[i][2] ^
( (uint32_t) aria_is1[ c & 0xFF]) ^
(((uint32_t) aria_is2[(c >> 8) & 0xFF]) << 8) ^
(((uint32_t) aria_sb1[(c >> 16) & 0xFF]) << 16) ^
(((uint32_t) aria_sb2[ c >> 24 ]) << 24);
d = ctx->rk[i][3] ^
( (uint32_t) aria_is1[ d & 0xFF]) ^
(((uint32_t) aria_is2[(d >> 8) & 0xFF]) << 8) ^
(((uint32_t) aria_sb1[(d >> 16) & 0xFF]) << 16) ^
(((uint32_t) aria_sb2[ d >> 24 ]) << 24);
PUT_UINT32_LE( a, output, 0 );
PUT_UINT32_LE( b, output, 4 );
PUT_UINT32_LE( c, output, 8 );
PUT_UINT32_LE( d, output, 12 );
return 0;
}
ARIA init and free
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void mbedtls_aria_init( mbedtls_aria_context *ctx )
{
memset( ctx, 0, sizeof( mbedtls_aria_context ) );
}
void mbedtls_aria_free( mbedtls_aria_context *ctx )
{
if( ctx == NULL )
return;
ARIA cipher implementation
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ARIA init and free
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// compiler can't remove this since this is not a static function
memset( ctx, 0, sizeof( mbedtls_aria_context ) );
}
ARIA cipher implementation
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#if defined(MBEDTLS_CIPHER_MODE_CBC)
/*
* ARIA-CBC buffer encryption/decryption
*/
int mbedtls_aria_crypt_cbc( mbedtls_aria_context *ctx,
int mode,
size_t length,
unsigned char iv[16],
const unsigned char *input,
unsigned char *output )
{
int i;
unsigned char temp[16];
if( length % 16 )
return( MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH );
if( mode == MBEDTLS_ARIA_DECRYPT )
{
while( length > 0 )
{
memcpy( temp, input, 16 );
mbedtls_aria_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_aria_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)
/*
* ARIA-CFB128 buffer encryption/decryption
*/
int mbedtls_aria_crypt_cfb128( mbedtls_aria_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 = *iv_off;
if( mode == MBEDTLS_ARIA_DECRYPT )
{
while( length-- )
{
if( n == 0 )
mbedtls_aria_crypt_ecb( ctx, MBEDTLS_ARIA_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_aria_crypt_ecb( ctx, MBEDTLS_ARIA_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)
/*
* ARIA-CTR buffer encryption/decryption
*/
int mbedtls_aria_crypt_ctr( mbedtls_aria_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 = *nc_off;
while( length-- )
{
if( n == 0 ) {
mbedtls_aria_crypt_ecb( ctx, MBEDTLS_ARIA_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_ARIA_ALT */
#if defined(MBEDTLS_SELF_TEST)
ARIA test vectors for CBC CFB CTR modes
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// Basic ARIA ECB test vectors from RFC 5794
static const uint8_t aria_test1_ecb_key[32] = // test key
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, // 128 bit
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, // 192 bit
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F // 256 bit
};
static const uint8_t aria_test1_ecb_pt[16] = // plaintext
{
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, // same for all
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF // key sizes
};
static const uint8_t aria_test1_ecb_ct[3][16] = // ciphertext
{
{ 0xD7, 0x18, 0xFB, 0xD6, 0xAB, 0x64, 0x4C, 0x73, // 128 bit
0x9D, 0xA9, 0x5F, 0x3B, 0xE6, 0x45, 0x17, 0x78 },
{ 0x26, 0x44, 0x9C, 0x18, 0x05, 0xDB, 0xE7, 0xAA, // 192 bit
0x25, 0xA4, 0x68, 0xCE, 0x26, 0x3A, 0x9E, 0x79 },
{ 0xF9, 0x2B, 0xD7, 0xC7, 0x9F, 0xB7, 0x2E, 0x2F, // 256 bit
0x2B, 0x8F, 0x80, 0xC1, 0x97, 0x2D, 0x24, 0xFC }
};
// Mode tests from "Test Vectors for ARIA" Version 1.0
// http://210.104.33.10/ARIA/doc/ARIA-testvector-e.pdf
ARIA build integration
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#if (defined(MBEDTLS_CIPHER_MODE_CBC) || defined(MBEDTLS_CIPHER_MODE_CFB) || \
ARIA test vectors for CBC CFB CTR modes
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defined(MBEDTLS_CIPHER_MODE_CTR))
static const uint8_t aria_test2_key[32] =
{
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, // 128 bit
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff,
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, // 192 bit
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff // 256 bit
};
static const uint8_t aria_test2_pt[48] =
{
0x11, 0x11, 0x11, 0x11, 0xaa, 0xaa, 0xaa, 0xaa, // same for all
0x11, 0x11, 0x11, 0x11, 0xbb, 0xbb, 0xbb, 0xbb,
0x11, 0x11, 0x11, 0x11, 0xcc, 0xcc, 0xcc, 0xcc,
0x11, 0x11, 0x11, 0x11, 0xdd, 0xdd, 0xdd, 0xdd,
0x22, 0x22, 0x22, 0x22, 0xaa, 0xaa, 0xaa, 0xaa,
0x22, 0x22, 0x22, 0x22, 0xbb, 0xbb, 0xbb, 0xbb,
};
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#endif
ARIA test vectors for CBC CFB CTR modes
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ARIA build integration
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#if (defined(MBEDTLS_CIPHER_MODE_CBC) || defined(MBEDTLS_CIPHER_MODE_CFB))
static const uint8_t aria_test2_iv[16] =
{
0x0f, 0x1e, 0x2d, 0x3c, 0x4b, 0x5a, 0x69, 0x78, // same for CBC, CFB
0x87, 0x96, 0xa5, 0xb4, 0xc3, 0xd2, 0xe1, 0xf0 // CTR has zero IV
};
#endif
ARIA test vectors for CBC CFB CTR modes
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#if defined(MBEDTLS_CIPHER_MODE_CBC)
static const uint8_t aria_test2_cbc_ct[3][48] = // CBC ciphertxt
{
{ 0x49, 0xd6, 0x18, 0x60, 0xb1, 0x49, 0x09, 0x10, // 128-bit key
0x9c, 0xef, 0x0d, 0x22, 0xa9, 0x26, 0x81, 0x34,
0xfa, 0xdf, 0x9f, 0xb2, 0x31, 0x51, 0xe9, 0x64,
0x5f, 0xba, 0x75, 0x01, 0x8b, 0xdb, 0x15, 0x38,
0xb5, 0x33, 0x34, 0x63, 0x4b, 0xbf, 0x7d, 0x4c,
0xd4, 0xb5, 0x37, 0x70, 0x33, 0x06, 0x0c, 0x15 },
{ 0xaf, 0xe6, 0xcf, 0x23, 0x97, 0x4b, 0x53, 0x3c, // 192-bit key
0x67, 0x2a, 0x82, 0x62, 0x64, 0xea, 0x78, 0x5f,
0x4e, 0x4f, 0x7f, 0x78, 0x0d, 0xc7, 0xf3, 0xf1,
0xe0, 0x96, 0x2b, 0x80, 0x90, 0x23, 0x86, 0xd5,
0x14, 0xe9, 0xc3, 0xe7, 0x72, 0x59, 0xde, 0x92,
0xdd, 0x11, 0x02, 0xff, 0xab, 0x08, 0x6c, 0x1e },
{ 0x52, 0x3a, 0x8a, 0x80, 0x6a, 0xe6, 0x21, 0xf1, // 256-bit key
0x55, 0xfd, 0xd2, 0x8d, 0xbc, 0x34, 0xe1, 0xab,
0x7b, 0x9b, 0x42, 0x43, 0x2a, 0xd8, 0xb2, 0xef,
0xb9, 0x6e, 0x23, 0xb1, 0x3f, 0x0a, 0x6e, 0x52,
0xf3, 0x61, 0x85, 0xd5, 0x0a, 0xd0, 0x02, 0xc5,
0xf6, 0x01, 0xbe, 0xe5, 0x49, 0x3f, 0x11, 0x8b }
};
#endif /* MBEDTLS_CIPHER_MODE_CBC */
#if defined(MBEDTLS_CIPHER_MODE_CFB)
static const uint8_t aria_test2_cfb_ct[3][48] = // CFB ciphertxt
{
{ 0x37, 0x20, 0xe5, 0x3b, 0xa7, 0xd6, 0x15, 0x38, // 128-bit key
0x34, 0x06, 0xb0, 0x9f, 0x0a, 0x05, 0xa2, 0x00,
0xc0, 0x7c, 0x21, 0xe6, 0x37, 0x0f, 0x41, 0x3a,
0x5d, 0x13, 0x25, 0x00, 0xa6, 0x82, 0x85, 0x01,
0x7c, 0x61, 0xb4, 0x34, 0xc7, 0xb7, 0xca, 0x96,
0x85, 0xa5, 0x10, 0x71, 0x86, 0x1e, 0x4d, 0x4b },
{ 0x41, 0x71, 0xf7, 0x19, 0x2b, 0xf4, 0x49, 0x54, // 192-bit key
0x94, 0xd2, 0x73, 0x61, 0x29, 0x64, 0x0f, 0x5c,
0x4d, 0x87, 0xa9, 0xa2, 0x13, 0x66, 0x4c, 0x94,
0x48, 0x47, 0x7c, 0x6e, 0xcc, 0x20, 0x13, 0x59,
0x8d, 0x97, 0x66, 0x95, 0x2d, 0xd8, 0xc3, 0x86,
0x8f, 0x17, 0xe3, 0x6e, 0xf6, 0x6f, 0xd8, 0x4b },
{ 0x26, 0x83, 0x47, 0x05, 0xb0, 0xf2, 0xc0, 0xe2, // 256-bit key
0x58, 0x8d, 0x4a, 0x7f, 0x09, 0x00, 0x96, 0x35,
0xf2, 0x8b, 0xb9, 0x3d, 0x8c, 0x31, 0xf8, 0x70,
0xec, 0x1e, 0x0b, 0xdb, 0x08, 0x2b, 0x66, 0xfa,
0x40, 0x2d, 0xd9, 0xc2, 0x02, 0xbe, 0x30, 0x0c,
0x45, 0x17, 0xd1, 0x96, 0xb1, 0x4d, 0x4c, 0xe1 }
};
#endif /* MBEDTLS_CIPHER_MODE_CFB */
#if defined(MBEDTLS_CIPHER_MODE_CTR)
static const uint8_t aria_test2_ctr_ct[3][48] = // CTR ciphertxt
{
{ 0xac, 0x5d, 0x7d, 0xe8, 0x05, 0xa0, 0xbf, 0x1c, // 128-bit key
0x57, 0xc8, 0x54, 0x50, 0x1a, 0xf6, 0x0f, 0xa1,
0x14, 0x97, 0xe2, 0xa3, 0x45, 0x19, 0xde, 0xa1,
0x56, 0x9e, 0x91, 0xe5, 0xb5, 0xcc, 0xae, 0x2f,
0xf3, 0xbf, 0xa1, 0xbf, 0x97, 0x5f, 0x45, 0x71,
0xf4, 0x8b, 0xe1, 0x91, 0x61, 0x35, 0x46, 0xc3 },
{ 0x08, 0x62, 0x5c, 0xa8, 0xfe, 0x56, 0x9c, 0x19, // 192-bit key
0xba, 0x7a, 0xf3, 0x76, 0x0a, 0x6e, 0xd1, 0xce,
0xf4, 0xd1, 0x99, 0x26, 0x3e, 0x99, 0x9d, 0xde,
0x14, 0x08, 0x2d, 0xbb, 0xa7, 0x56, 0x0b, 0x79,
0xa4, 0xc6, 0xb4, 0x56, 0xb8, 0x70, 0x7d, 0xce,
0x75, 0x1f, 0x98, 0x54, 0xf1, 0x88, 0x93, 0xdf },
{ 0x30, 0x02, 0x6c, 0x32, 0x96, 0x66, 0x14, 0x17, // 256-bit key
0x21, 0x17, 0x8b, 0x99, 0xc0, 0xa1, 0xf1, 0xb2,
0xf0, 0x69, 0x40, 0x25, 0x3f, 0x7b, 0x30, 0x89,
0xe2, 0xa3, 0x0e, 0xa8, 0x6a, 0xa3, 0xc8, 0x8f,
0x59, 0x40, 0xf0, 0x5a, 0xd7, 0xee, 0x41, 0xd7,
0x13, 0x47, 0xbb, 0x72, 0x61, 0xe3, 0x48, 0xf1 }
};
#endif /* MBEDTLS_CIPHER_MODE_CFB */
ARIA cipher implementation
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/*
* Checkup routine
*/
ARIA test vectors for CBC CFB CTR modes
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#define ARIA_SELF_TEST_IF_FAIL \
{ \
if( verbose ) \
printf( "failed\n" ); \
return( 1 ); \
} else { \
if( verbose ) \
printf( "passed\n" ); \
}
ARIA cipher implementation
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int mbedtls_aria_self_test( int verbose )
{
int i;
uint8_t blk[16];
mbedtls_aria_context ctx;
ARIA build integration
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ARIA init and free
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#if (defined(MBEDTLS_CIPHER_MODE_CFB) || defined(MBEDTLS_CIPHER_MODE_CTR))
size_t j;
ARIA build integration
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#endif
ARIA test vectors for CBC CFB CTR modes
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#if (defined(MBEDTLS_CIPHER_MODE_CBC) || \
defined(MBEDTLS_CIPHER_MODE_CFB) || \
defined(MBEDTLS_CIPHER_MODE_CTR))
uint8_t buf[48], iv[16];
#endif
// Test set 1
ARIA cipher implementation
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for( i = 0; i < 3; i++ )
{
ARIA test vectors for CBC CFB CTR modes
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// test ECB encryption
ARIA cipher implementation
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if( verbose )
printf( " ARIA-ECB-%d (enc): ", 128 + 64 * i);
ARIA test vectors for CBC CFB CTR modes
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mbedtls_aria_setkey_enc( &ctx, aria_test1_ecb_key, 128 + 64 * i );
ARIA cipher implementation
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mbedtls_aria_crypt_ecb( &ctx, MBEDTLS_ARIA_ENCRYPT,
ARIA test vectors for CBC CFB CTR modes
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aria_test1_ecb_pt, blk );
if( memcmp( blk, aria_test1_ecb_ct[i], 16 ) != 0 )
ARIA_SELF_TEST_IF_FAIL;
ARIA cipher implementation
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ARIA test vectors for CBC CFB CTR modes
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// test ECB decryption
ARIA cipher implementation
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if( verbose )
ARIA test vectors for CBC CFB CTR modes
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printf( " ARIA-ECB-%d (dec): ", 128 + 64 * i);
mbedtls_aria_setkey_dec( &ctx, aria_test1_ecb_key, 128 + 64 * i );
mbedtls_aria_crypt_ecb( &ctx, MBEDTLS_ARIA_DECRYPT,
aria_test1_ecb_ct[i], blk );
if (memcmp( blk, aria_test1_ecb_pt, 16 ) != 0)
ARIA_SELF_TEST_IF_FAIL;
}
if( verbose )
printf("\n");
ARIA cipher implementation
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ARIA test vectors for CBC CFB CTR modes
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// Test set 2
ARIA cipher implementation
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ARIA test vectors for CBC CFB CTR modes
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#if defined(MBEDTLS_CIPHER_MODE_CBC)
for( i = 0; i < 3; i++ )
{
// Test CBC encryption
ARIA cipher implementation
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if( verbose )
ARIA test vectors for CBC CFB CTR modes
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printf( " ARIA-CBC-%d (enc): ", 128 + 64 * i);
mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
memcpy( iv, aria_test2_iv, 16 );
memset( buf, 0x55, sizeof(buf) );
mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_ENCRYPT, 48, iv,
aria_test2_pt, buf );
if( memcmp( buf, aria_test2_cbc_ct[i], 48 ) != 0 )
ARIA_SELF_TEST_IF_FAIL;
// Test CBC decryption
if( verbose )
printf( " ARIA-CBC-%d (dec): ", 128 + 64 * i);
mbedtls_aria_setkey_dec( &ctx, aria_test2_key, 128 + 64 * i );
memcpy( iv, aria_test2_iv, 16 );
memset( buf, 0xAA, sizeof(buf) );
mbedtls_aria_crypt_cbc( &ctx, MBEDTLS_ARIA_DECRYPT, 48, iv,
aria_test2_cbc_ct[i], buf );
if( memcmp( buf, aria_test2_pt, 48 ) != 0 )
ARIA_SELF_TEST_IF_FAIL;
}
if( verbose )
printf("\n");
ARIA cipher implementation
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ARIA test vectors for CBC CFB CTR modes
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#endif /* MBEDTLS_CIPHER_MODE_CBC */
ARIA cipher implementation
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ARIA test vectors for CBC CFB CTR modes
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#if defined(MBEDTLS_CIPHER_MODE_CFB)
for( i = 0; i < 3; i++ )
{
// Test CFB encryption
if( verbose )
printf( " ARIA-CFB-%d (enc): ", 128 + 64 * i);
mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
memcpy( iv, aria_test2_iv, 16 );
memset( buf, 0x55, sizeof(buf) );
j = 0;
mbedtls_aria_crypt_cfb128( &ctx, MBEDTLS_ARIA_ENCRYPT, 48, &j, iv,
aria_test2_pt, buf );
if( memcmp( buf, aria_test2_cfb_ct[i], 48 ) != 0 )
ARIA_SELF_TEST_IF_FAIL;
// Test CFB decryption
ARIA cipher implementation
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if( verbose )
ARIA test vectors for CBC CFB CTR modes
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printf( " ARIA-CFB-%d (dec): ", 128 + 64 * i);
mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
memcpy( iv, aria_test2_iv, 16 );
memset( buf, 0xAA, sizeof(buf) );
j = 0;
mbedtls_aria_crypt_cfb128( &ctx, MBEDTLS_ARIA_DECRYPT, 48, &j,
iv, aria_test2_cfb_ct[i], buf );
if( memcmp( buf, aria_test2_pt, 48 ) != 0 )
ARIA_SELF_TEST_IF_FAIL;
ARIA cipher implementation
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}
ARIA test vectors for CBC CFB CTR modes
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if( verbose )
printf("\n");
#endif /* MBEDTLS_CIPHER_MODE_CFB */
#if defined(MBEDTLS_CIPHER_MODE_CTR)
for( i = 0; i < 3; i++ )
{
// Test CTR encryption
if( verbose )
printf( " ARIA-CTR-%d (enc): ", 128 + 64 * i);
mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
memset( iv, 0, 16 ); // IV = 0
memset( buf, 0x55, sizeof(buf) );
j = 0;
mbedtls_aria_crypt_ctr( &ctx, 48, &j, iv, blk,
aria_test2_pt, buf );
if( memcmp( buf, aria_test2_ctr_ct[i], 48 ) != 0 )
ARIA_SELF_TEST_IF_FAIL;
// Test CTR decryption
if( verbose )
printf( " ARIA-CTR-%d (dec): ", 128 + 64 * i);
mbedtls_aria_setkey_enc( &ctx, aria_test2_key, 128 + 64 * i );
memset( iv, 0, 16 ); // IV = 0
memset( buf, 0xAA, sizeof(buf) );
j = 0;
mbedtls_aria_crypt_ctr( &ctx, 48, &j, iv, blk,
aria_test2_ctr_ct[i], buf );
if( memcmp( buf, aria_test2_pt, 48 ) != 0 )
ARIA_SELF_TEST_IF_FAIL;
}
if( verbose )
printf("\n");
#endif /* MBEDTLS_CIPHER_MODE_CTR */
ARIA cipher implementation
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return( 0 );
}
#endif /* MBEDTLS_SELF_TEST */
#endif /* MBEDTLS_ARIA_C */
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