Nathen Gallardojohnson / WNCInterface

I added functionality to get the RSSI, BER, and Cell Neighbor for reporting connection issues to M2X

Dependencies:   WncControllerK64F

mbedtls/source/md2.c@12:0071cb144c7a, 2016-11-01 (annotated)

Committer:
JMF
Date:
Tue Nov 01 14:22:56 2016 +0000
Revision:
12:0071cb144c7a
Adding mbedtls files

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 12:0071cb144c7a 1 /*
JMF 12:0071cb144c7a 2 * RFC 1115/1319 compliant MD2 implementation
JMF 12:0071cb144c7a 3 *
JMF 12:0071cb144c7a 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
JMF 12:0071cb144c7a 5 * SPDX-License-Identifier: Apache-2.0
JMF 12:0071cb144c7a 6 *
JMF 12:0071cb144c7a 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
JMF 12:0071cb144c7a 8 * not use this file except in compliance with the License.
JMF 12:0071cb144c7a 9 * You may obtain a copy of the License at
JMF 12:0071cb144c7a 10 *
JMF 12:0071cb144c7a 11 * http://www.apache.org/licenses/LICENSE-2.0
JMF 12:0071cb144c7a 12 *
JMF 12:0071cb144c7a 13 * Unless required by applicable law or agreed to in writing, software
JMF 12:0071cb144c7a 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
JMF 12:0071cb144c7a 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
JMF 12:0071cb144c7a 16 * See the License for the specific language governing permissions and
JMF 12:0071cb144c7a 17 * limitations under the License.
JMF 12:0071cb144c7a 18 *
JMF 12:0071cb144c7a 19 * This file is part of mbed TLS (https://tls.mbed.org)
JMF 12:0071cb144c7a 20 */
JMF 12:0071cb144c7a 21 /*
JMF 12:0071cb144c7a 22 * The MD2 algorithm was designed by Ron Rivest in 1989.
JMF 12:0071cb144c7a 23 *
JMF 12:0071cb144c7a 24 * http://www.ietf.org/rfc/rfc1115.txt
JMF 12:0071cb144c7a 25 * http://www.ietf.org/rfc/rfc1319.txt
JMF 12:0071cb144c7a 26 */
JMF 12:0071cb144c7a 27
JMF 12:0071cb144c7a 28 #if !defined(MBEDTLS_CONFIG_FILE)
JMF 12:0071cb144c7a 29 #include "mbedtls/config.h"
JMF 12:0071cb144c7a 30 #else
JMF 12:0071cb144c7a 31 #include MBEDTLS_CONFIG_FILE
JMF 12:0071cb144c7a 32 #endif
JMF 12:0071cb144c7a 33
JMF 12:0071cb144c7a 34 #if defined(MBEDTLS_MD2_C)
JMF 12:0071cb144c7a 35
JMF 12:0071cb144c7a 36 #include "mbedtls/md2.h"
JMF 12:0071cb144c7a 37
JMF 12:0071cb144c7a 38 #include <string.h>
JMF 12:0071cb144c7a 39
JMF 12:0071cb144c7a 40 #if defined(MBEDTLS_SELF_TEST)
JMF 12:0071cb144c7a 41 #if defined(MBEDTLS_PLATFORM_C)
JMF 12:0071cb144c7a 42 #include "mbedtls/platform.h"
JMF 12:0071cb144c7a 43 #else
JMF 12:0071cb144c7a 44 #include <stdio.h>
JMF 12:0071cb144c7a 45 #define mbedtls_printf pc.printf
JMF 12:0071cb144c7a 46 #endif /* MBEDTLS_PLATFORM_C */
JMF 12:0071cb144c7a 47 #endif /* MBEDTLS_SELF_TEST */
JMF 12:0071cb144c7a 48
JMF 12:0071cb144c7a 49 #if !defined(MBEDTLS_MD2_ALT)
JMF 12:0071cb144c7a 50
JMF 12:0071cb144c7a 51 /* Implementation that should never be optimized out by the compiler */
JMF 12:0071cb144c7a 52 static void mbedtls_zeroize( void *v, size_t n ) {
JMF 12:0071cb144c7a 53 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
JMF 12:0071cb144c7a 54 }
JMF 12:0071cb144c7a 55
JMF 12:0071cb144c7a 56 static const unsigned char PI_SUBST[256] =
JMF 12:0071cb144c7a 57 {
JMF 12:0071cb144c7a 58 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, 0x3D, 0x36,
JMF 12:0071cb144c7a 59 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, 0x62, 0xA7, 0x05, 0xF3,
JMF 12:0071cb144c7a 60 0xC0, 0xC7, 0x73, 0x8C, 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C,
JMF 12:0071cb144c7a 61 0x82, 0xCA, 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16,
JMF 12:0071cb144c7a 62 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, 0xBE, 0x4E,
JMF 12:0071cb144c7a 63 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, 0xA0, 0xFB, 0xF5, 0x8E,
JMF 12:0071cb144c7a 64 0xBB, 0x2F, 0xEE, 0x7A, 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2,
JMF 12:0071cb144c7a 65 0x07, 0x3F, 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21,
JMF 12:0071cb144c7a 66 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, 0x35, 0x3E,
JMF 12:0071cb144c7a 67 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, 0xFF, 0x19, 0x30, 0xB3,
JMF 12:0071cb144c7a 68 0x48, 0xA5, 0xB5, 0xD1, 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56,
JMF 12:0071cb144c7a 69 0xAA, 0xC6, 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6,
JMF 12:0071cb144c7a 70 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, 0x45, 0x9D,
JMF 12:0071cb144c7a 71 0x70, 0x59, 0x64, 0x71, 0x87, 0x20, 0x86, 0x5B, 0xCF, 0x65,
JMF 12:0071cb144c7a 72 0xE6, 0x2D, 0xA8, 0x02, 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0,
JMF 12:0071cb144c7a 73 0xB9, 0xF6, 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F,
JMF 12:0071cb144c7a 74 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, 0xC3, 0x5C,
JMF 12:0071cb144c7a 75 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, 0x2C, 0x53, 0x0D, 0x6E,
JMF 12:0071cb144c7a 76 0x85, 0x28, 0x84, 0x09, 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81,
JMF 12:0071cb144c7a 77 0x4D, 0x52, 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA,
JMF 12:0071cb144c7a 78 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, 0x78, 0x88,
JMF 12:0071cb144c7a 79 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, 0xE9, 0xCB, 0xD5, 0xFE,
JMF 12:0071cb144c7a 80 0x3B, 0x00, 0x1D, 0x39, 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58,
JMF 12:0071cb144c7a 81 0xD0, 0xE4, 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A,
JMF 12:0071cb144c7a 82 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, 0xDB, 0x99,
JMF 12:0071cb144c7a 83 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14
JMF 12:0071cb144c7a 84 };
JMF 12:0071cb144c7a 85
JMF 12:0071cb144c7a 86 void mbedtls_md2_init( mbedtls_md2_context *ctx )
JMF 12:0071cb144c7a 87 {
JMF 12:0071cb144c7a 88 memset( ctx, 0, sizeof( mbedtls_md2_context ) );
JMF 12:0071cb144c7a 89 }
JMF 12:0071cb144c7a 90
JMF 12:0071cb144c7a 91 void mbedtls_md2_free( mbedtls_md2_context *ctx )
JMF 12:0071cb144c7a 92 {
JMF 12:0071cb144c7a 93 if( ctx == NULL )
JMF 12:0071cb144c7a 94 return;
JMF 12:0071cb144c7a 95
JMF 12:0071cb144c7a 96 mbedtls_zeroize( ctx, sizeof( mbedtls_md2_context ) );
JMF 12:0071cb144c7a 97 }
JMF 12:0071cb144c7a 98
JMF 12:0071cb144c7a 99 void mbedtls_md2_clone( mbedtls_md2_context *dst,
JMF 12:0071cb144c7a 100 const mbedtls_md2_context *src )
JMF 12:0071cb144c7a 101 {
JMF 12:0071cb144c7a 102 *dst = *src;
JMF 12:0071cb144c7a 103 }
JMF 12:0071cb144c7a 104
JMF 12:0071cb144c7a 105 /*
JMF 12:0071cb144c7a 106 * MD2 context setup
JMF 12:0071cb144c7a 107 */
JMF 12:0071cb144c7a 108 void mbedtls_md2_starts( mbedtls_md2_context *ctx )
JMF 12:0071cb144c7a 109 {
JMF 12:0071cb144c7a 110 memset( ctx->cksum, 0, 16 );
JMF 12:0071cb144c7a 111 memset( ctx->state, 0, 46 );
JMF 12:0071cb144c7a 112 memset( ctx->buffer, 0, 16 );
JMF 12:0071cb144c7a 113 ctx->left = 0;
JMF 12:0071cb144c7a 114 }
JMF 12:0071cb144c7a 115
JMF 12:0071cb144c7a 116 #if !defined(MBEDTLS_MD2_PROCESS_ALT)
JMF 12:0071cb144c7a 117 void mbedtls_md2_process( mbedtls_md2_context *ctx )
JMF 12:0071cb144c7a 118 {
JMF 12:0071cb144c7a 119 int i, j;
JMF 12:0071cb144c7a 120 unsigned char t = 0;
JMF 12:0071cb144c7a 121
JMF 12:0071cb144c7a 122 for( i = 0; i < 16; i++ )
JMF 12:0071cb144c7a 123 {
JMF 12:0071cb144c7a 124 ctx->state[i + 16] = ctx->buffer[i];
JMF 12:0071cb144c7a 125 ctx->state[i + 32] =
JMF 12:0071cb144c7a 126 (unsigned char)( ctx->buffer[i] ^ ctx->state[i]);
JMF 12:0071cb144c7a 127 }
JMF 12:0071cb144c7a 128
JMF 12:0071cb144c7a 129 for( i = 0; i < 18; i++ )
JMF 12:0071cb144c7a 130 {
JMF 12:0071cb144c7a 131 for( j = 0; j < 48; j++ )
JMF 12:0071cb144c7a 132 {
JMF 12:0071cb144c7a 133 ctx->state[j] = (unsigned char)
JMF 12:0071cb144c7a 134 ( ctx->state[j] ^ PI_SUBST[t] );
JMF 12:0071cb144c7a 135 t = ctx->state[j];
JMF 12:0071cb144c7a 136 }
JMF 12:0071cb144c7a 137
JMF 12:0071cb144c7a 138 t = (unsigned char)( t + i );
JMF 12:0071cb144c7a 139 }
JMF 12:0071cb144c7a 140
JMF 12:0071cb144c7a 141 t = ctx->cksum[15];
JMF 12:0071cb144c7a 142
JMF 12:0071cb144c7a 143 for( i = 0; i < 16; i++ )
JMF 12:0071cb144c7a 144 {
JMF 12:0071cb144c7a 145 ctx->cksum[i] = (unsigned char)
JMF 12:0071cb144c7a 146 ( ctx->cksum[i] ^ PI_SUBST[ctx->buffer[i] ^ t] );
JMF 12:0071cb144c7a 147 t = ctx->cksum[i];
JMF 12:0071cb144c7a 148 }
JMF 12:0071cb144c7a 149 }
JMF 12:0071cb144c7a 150 #endif /* !MBEDTLS_MD2_PROCESS_ALT */
JMF 12:0071cb144c7a 151
JMF 12:0071cb144c7a 152 /*
JMF 12:0071cb144c7a 153 * MD2 process buffer
JMF 12:0071cb144c7a 154 */
JMF 12:0071cb144c7a 155 void mbedtls_md2_update( mbedtls_md2_context *ctx, const unsigned char *input, size_t ilen )
JMF 12:0071cb144c7a 156 {
JMF 12:0071cb144c7a 157 size_t fill;
JMF 12:0071cb144c7a 158
JMF 12:0071cb144c7a 159 while( ilen > 0 )
JMF 12:0071cb144c7a 160 {
JMF 12:0071cb144c7a 161 if( ctx->left + ilen > 16 )
JMF 12:0071cb144c7a 162 fill = 16 - ctx->left;
JMF 12:0071cb144c7a 163 else
JMF 12:0071cb144c7a 164 fill = ilen;
JMF 12:0071cb144c7a 165
JMF 12:0071cb144c7a 166 memcpy( ctx->buffer + ctx->left, input, fill );
JMF 12:0071cb144c7a 167
JMF 12:0071cb144c7a 168 ctx->left += fill;
JMF 12:0071cb144c7a 169 input += fill;
JMF 12:0071cb144c7a 170 ilen -= fill;
JMF 12:0071cb144c7a 171
JMF 12:0071cb144c7a 172 if( ctx->left == 16 )
JMF 12:0071cb144c7a 173 {
JMF 12:0071cb144c7a 174 ctx->left = 0;
JMF 12:0071cb144c7a 175 mbedtls_md2_process( ctx );
JMF 12:0071cb144c7a 176 }
JMF 12:0071cb144c7a 177 }
JMF 12:0071cb144c7a 178 }
JMF 12:0071cb144c7a 179
JMF 12:0071cb144c7a 180 /*
JMF 12:0071cb144c7a 181 * MD2 final digest
JMF 12:0071cb144c7a 182 */
JMF 12:0071cb144c7a 183 void mbedtls_md2_finish( mbedtls_md2_context *ctx, unsigned char output[16] )
JMF 12:0071cb144c7a 184 {
JMF 12:0071cb144c7a 185 size_t i;
JMF 12:0071cb144c7a 186 unsigned char x;
JMF 12:0071cb144c7a 187
JMF 12:0071cb144c7a 188 x = (unsigned char)( 16 - ctx->left );
JMF 12:0071cb144c7a 189
JMF 12:0071cb144c7a 190 for( i = ctx->left; i < 16; i++ )
JMF 12:0071cb144c7a 191 ctx->buffer[i] = x;
JMF 12:0071cb144c7a 192
JMF 12:0071cb144c7a 193 mbedtls_md2_process( ctx );
JMF 12:0071cb144c7a 194
JMF 12:0071cb144c7a 195 memcpy( ctx->buffer, ctx->cksum, 16 );
JMF 12:0071cb144c7a 196 mbedtls_md2_process( ctx );
JMF 12:0071cb144c7a 197
JMF 12:0071cb144c7a 198 memcpy( output, ctx->state, 16 );
JMF 12:0071cb144c7a 199 }
JMF 12:0071cb144c7a 200
JMF 12:0071cb144c7a 201 #endif /* !MBEDTLS_MD2_ALT */
JMF 12:0071cb144c7a 202
JMF 12:0071cb144c7a 203 /*
JMF 12:0071cb144c7a 204 * output = MD2( input buffer )
JMF 12:0071cb144c7a 205 */
JMF 12:0071cb144c7a 206 void mbedtls_md2( const unsigned char *input, size_t ilen, unsigned char output[16] )
JMF 12:0071cb144c7a 207 {
JMF 12:0071cb144c7a 208 mbedtls_md2_context ctx;
JMF 12:0071cb144c7a 209
JMF 12:0071cb144c7a 210 mbedtls_md2_init( &ctx );
JMF 12:0071cb144c7a 211 mbedtls_md2_starts( &ctx );
JMF 12:0071cb144c7a 212 mbedtls_md2_update( &ctx, input, ilen );
JMF 12:0071cb144c7a 213 mbedtls_md2_finish( &ctx, output );
JMF 12:0071cb144c7a 214 mbedtls_md2_free( &ctx );
JMF 12:0071cb144c7a 215 }
JMF 12:0071cb144c7a 216
JMF 12:0071cb144c7a 217 #if defined(MBEDTLS_SELF_TEST)
JMF 12:0071cb144c7a 218
JMF 12:0071cb144c7a 219 /*
JMF 12:0071cb144c7a 220 * RFC 1319 test vectors
JMF 12:0071cb144c7a 221 */
JMF 12:0071cb144c7a 222 static const char md2_test_str[7][81] =
JMF 12:0071cb144c7a 223 {
JMF 12:0071cb144c7a 224 { "" },
JMF 12:0071cb144c7a 225 { "a" },
JMF 12:0071cb144c7a 226 { "abc" },
JMF 12:0071cb144c7a 227 { "message digest" },
JMF 12:0071cb144c7a 228 { "abcdefghijklmnopqrstuvwxyz" },
JMF 12:0071cb144c7a 229 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
JMF 12:0071cb144c7a 230 { "12345678901234567890123456789012345678901234567890123456789012" \
JMF 12:0071cb144c7a 231 "345678901234567890" }
JMF 12:0071cb144c7a 232 };
JMF 12:0071cb144c7a 233
JMF 12:0071cb144c7a 234 static const unsigned char md2_test_sum[7][16] =
JMF 12:0071cb144c7a 235 {
JMF 12:0071cb144c7a 236 { 0x83, 0x50, 0xE5, 0xA3, 0xE2, 0x4C, 0x15, 0x3D,
JMF 12:0071cb144c7a 237 0xF2, 0x27, 0x5C, 0x9F, 0x80, 0x69, 0x27, 0x73 },
JMF 12:0071cb144c7a 238 { 0x32, 0xEC, 0x01, 0xEC, 0x4A, 0x6D, 0xAC, 0x72,
JMF 12:0071cb144c7a 239 0xC0, 0xAB, 0x96, 0xFB, 0x34, 0xC0, 0xB5, 0xD1 },
JMF 12:0071cb144c7a 240 { 0xDA, 0x85, 0x3B, 0x0D, 0x3F, 0x88, 0xD9, 0x9B,
JMF 12:0071cb144c7a 241 0x30, 0x28, 0x3A, 0x69, 0xE6, 0xDE, 0xD6, 0xBB },
JMF 12:0071cb144c7a 242 { 0xAB, 0x4F, 0x49, 0x6B, 0xFB, 0x2A, 0x53, 0x0B,
JMF 12:0071cb144c7a 243 0x21, 0x9F, 0xF3, 0x30, 0x31, 0xFE, 0x06, 0xB0 },
JMF 12:0071cb144c7a 244 { 0x4E, 0x8D, 0xDF, 0xF3, 0x65, 0x02, 0x92, 0xAB,
JMF 12:0071cb144c7a 245 0x5A, 0x41, 0x08, 0xC3, 0xAA, 0x47, 0x94, 0x0B },
JMF 12:0071cb144c7a 246 { 0xDA, 0x33, 0xDE, 0xF2, 0xA4, 0x2D, 0xF1, 0x39,
JMF 12:0071cb144c7a 247 0x75, 0x35, 0x28, 0x46, 0xC3, 0x03, 0x38, 0xCD },
JMF 12:0071cb144c7a 248 { 0xD5, 0x97, 0x6F, 0x79, 0xD8, 0x3D, 0x3A, 0x0D,
JMF 12:0071cb144c7a 249 0xC9, 0x80, 0x6C, 0x3C, 0x66, 0xF3, 0xEF, 0xD8 }
JMF 12:0071cb144c7a 250 };
JMF 12:0071cb144c7a 251
JMF 12:0071cb144c7a 252 /*
JMF 12:0071cb144c7a 253 * Checkup routine
JMF 12:0071cb144c7a 254 */
JMF 12:0071cb144c7a 255 int mbedtls_md2_self_test( int verbose )
JMF 12:0071cb144c7a 256 {
JMF 12:0071cb144c7a 257 int i;
JMF 12:0071cb144c7a 258 unsigned char md2sum[16];
JMF 12:0071cb144c7a 259
JMF 12:0071cb144c7a 260 for( i = 0; i < 7; i++ )
JMF 12:0071cb144c7a 261 {
JMF 12:0071cb144c7a 262 if( verbose != 0 )
JMF 12:0071cb144c7a 263 mbedtls_printf( " MD2 test #%d: ", i + 1 );
JMF 12:0071cb144c7a 264
JMF 12:0071cb144c7a 265 mbedtls_md2( (unsigned char *) md2_test_str[i],
JMF 12:0071cb144c7a 266 strlen( md2_test_str[i] ), md2sum );
JMF 12:0071cb144c7a 267
JMF 12:0071cb144c7a 268 if( memcmp( md2sum, md2_test_sum[i], 16 ) != 0 )
JMF 12:0071cb144c7a 269 {
JMF 12:0071cb144c7a 270 if( verbose != 0 )
JMF 12:0071cb144c7a 271 mbedtls_printf( "failed\n" );
JMF 12:0071cb144c7a 272
JMF 12:0071cb144c7a 273 return( 1 );
JMF 12:0071cb144c7a 274 }
JMF 12:0071cb144c7a 275
JMF 12:0071cb144c7a 276 if( verbose != 0 )
JMF 12:0071cb144c7a 277 mbedtls_printf( "passed\n" );
JMF 12:0071cb144c7a 278 }
JMF 12:0071cb144c7a 279
JMF 12:0071cb144c7a 280 if( verbose != 0 )
JMF 12:0071cb144c7a 281 mbedtls_printf( "\n" );
JMF 12:0071cb144c7a 282
JMF 12:0071cb144c7a 283 return( 0 );
JMF 12:0071cb144c7a 284 }
JMF 12:0071cb144c7a 285
JMF 12:0071cb144c7a 286 #endif /* MBEDTLS_SELF_TEST */
JMF 12:0071cb144c7a 287
JMF 12:0071cb144c7a 288 #endif /* MBEDTLS_MD2_C */