Julian Higginson / Mbed 2 deprecated FXOS8700CQ_To_Azure_IoT

WIP. send a large constant string twice a second, in order to test out the transport with something indicative of our required load.

Dependencies:   FXOS8700CQ NTPClient azure_umqtt_c iothub_mqtt_transport mbed-rtos mbed wolfSSL Socket lwip-eth lwip-sys lwip

Fork of FXOS8700CQ_To_Azure_IoT by Mark Radbourne

azure_c_shared_utility/usha.c@7:0d1a0fe537dc, 2017-01-05 (annotated)

Committer:
julianhigginson
Date:
Thu Jan 05 23:40:24 2017 +0000
Revision:
7:0d1a0fe537dc
Parent:
3:c0556ff7b8e3 
modified dummy message for minimal data transport

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markrad 3:c0556ff7b8e3 1 // Copyright (c) Microsoft. All rights reserved.
markrad 3:c0556ff7b8e3 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
markrad 3:c0556ff7b8e3 3
markrad 3:c0556ff7b8e3 4 /**************************** usha.c ****************************/
markrad 3:c0556ff7b8e3 5 /******************** See RFC 4634 for details ******************/
markrad 3:c0556ff7b8e3 6 /*
markrad 3:c0556ff7b8e3 7 * Description:
markrad 3:c0556ff7b8e3 8 * This file implements a unified interface to the SHA algorithms.
markrad 3:c0556ff7b8e3 9 */
markrad 3:c0556ff7b8e3 10
markrad 3:c0556ff7b8e3 11 #include <stdlib.h>
markrad 3:c0556ff7b8e3 12 #ifdef _CRTDBG_MAP_ALLOC
markrad 3:c0556ff7b8e3 13 #include <crtdbg.h>
markrad 3:c0556ff7b8e3 14 #endif
markrad 3:c0556ff7b8e3 15 #include "azure_c_shared_utility/gballoc.h"
markrad 3:c0556ff7b8e3 16
markrad 3:c0556ff7b8e3 17 #include "azure_c_shared_utility/sha.h"
markrad 3:c0556ff7b8e3 18
markrad 3:c0556ff7b8e3 19 /*
markrad 3:c0556ff7b8e3 20 * USHAReset
markrad 3:c0556ff7b8e3 21 *
markrad 3:c0556ff7b8e3 22 * Description:
markrad 3:c0556ff7b8e3 23 * This function will initialize the SHA Context in preparation
markrad 3:c0556ff7b8e3 24 * for computing a new SHA message digest.
markrad 3:c0556ff7b8e3 25 *
markrad 3:c0556ff7b8e3 26 * Parameters:
markrad 3:c0556ff7b8e3 27 * context: [in/out]
markrad 3:c0556ff7b8e3 28 * The context to reset.
markrad 3:c0556ff7b8e3 29 * whichSha: [in]
markrad 3:c0556ff7b8e3 30 * Selects which SHA reset to call
markrad 3:c0556ff7b8e3 31 *
markrad 3:c0556ff7b8e3 32 * Returns:
markrad 3:c0556ff7b8e3 33 * sha Error Code.
markrad 3:c0556ff7b8e3 34 *
markrad 3:c0556ff7b8e3 35 */
markrad 3:c0556ff7b8e3 36 int USHAReset(USHAContext *ctx, enum SHAversion whichSha)
markrad 3:c0556ff7b8e3 37 {
markrad 3:c0556ff7b8e3 38 if (ctx) {
markrad 3:c0556ff7b8e3 39 ctx->whichSha = whichSha;
markrad 3:c0556ff7b8e3 40 switch (whichSha) {
markrad 3:c0556ff7b8e3 41 case SHA1: return SHA1Reset((SHA1Context*)&ctx->ctx);
markrad 3:c0556ff7b8e3 42 case SHA224: return SHA224Reset((SHA224Context*)&ctx->ctx);
markrad 3:c0556ff7b8e3 43 case SHA256: return SHA256Reset((SHA256Context*)&ctx->ctx);
markrad 3:c0556ff7b8e3 44 case SHA384: return SHA384Reset((SHA384Context*)&ctx->ctx);
markrad 3:c0556ff7b8e3 45 case SHA512: return SHA512Reset((SHA512Context*)&ctx->ctx);
markrad 3:c0556ff7b8e3 46 default: return shaBadParam;
markrad 3:c0556ff7b8e3 47 }
markrad 3:c0556ff7b8e3 48 }
markrad 3:c0556ff7b8e3 49 else {
markrad 3:c0556ff7b8e3 50 return shaNull;
markrad 3:c0556ff7b8e3 51 }
markrad 3:c0556ff7b8e3 52 }
markrad 3:c0556ff7b8e3 53
markrad 3:c0556ff7b8e3 54 /*
markrad 3:c0556ff7b8e3 55 * USHAInput
markrad 3:c0556ff7b8e3 56 *
markrad 3:c0556ff7b8e3 57 * Description:
markrad 3:c0556ff7b8e3 58 * This function accepts an array of octets as the next portion
markrad 3:c0556ff7b8e3 59 * of the message.
markrad 3:c0556ff7b8e3 60 *
markrad 3:c0556ff7b8e3 61 * Parameters:
markrad 3:c0556ff7b8e3 62 * context: [in/out]
markrad 3:c0556ff7b8e3 63 * The SHA context to update
markrad 3:c0556ff7b8e3 64 * message_array: [in]
markrad 3:c0556ff7b8e3 65 * An array of characters representing the next portion of
markrad 3:c0556ff7b8e3 66 * the message.
markrad 3:c0556ff7b8e3 67 * length: [in]
markrad 3:c0556ff7b8e3 68 * The length of the message in message_array
markrad 3:c0556ff7b8e3 69 *
markrad 3:c0556ff7b8e3 70 * Returns:
markrad 3:c0556ff7b8e3 71 * sha Error Code.
markrad 3:c0556ff7b8e3 72 *
markrad 3:c0556ff7b8e3 73 */
markrad 3:c0556ff7b8e3 74 int USHAInput(USHAContext *ctx,
markrad 3:c0556ff7b8e3 75 const uint8_t *bytes, unsigned int bytecount)
markrad 3:c0556ff7b8e3 76 {
markrad 3:c0556ff7b8e3 77 if (ctx) {
markrad 3:c0556ff7b8e3 78 switch (ctx->whichSha) {
markrad 3:c0556ff7b8e3 79 case SHA1:
markrad 3:c0556ff7b8e3 80 return SHA1Input((SHA1Context*)&ctx->ctx, bytes, bytecount);
markrad 3:c0556ff7b8e3 81 case SHA224:
markrad 3:c0556ff7b8e3 82 return SHA224Input((SHA224Context*)&ctx->ctx, bytes,
markrad 3:c0556ff7b8e3 83 bytecount);
markrad 3:c0556ff7b8e3 84 case SHA256:
markrad 3:c0556ff7b8e3 85 return SHA256Input((SHA256Context*)&ctx->ctx, bytes,
markrad 3:c0556ff7b8e3 86 bytecount);
markrad 3:c0556ff7b8e3 87 case SHA384:
markrad 3:c0556ff7b8e3 88 return SHA384Input((SHA384Context*)&ctx->ctx, bytes,
markrad 3:c0556ff7b8e3 89 bytecount);
markrad 3:c0556ff7b8e3 90 case SHA512:
markrad 3:c0556ff7b8e3 91 return SHA512Input((SHA512Context*)&ctx->ctx, bytes,
markrad 3:c0556ff7b8e3 92 bytecount);
markrad 3:c0556ff7b8e3 93 default: return shaBadParam;
markrad 3:c0556ff7b8e3 94 }
markrad 3:c0556ff7b8e3 95 }
markrad 3:c0556ff7b8e3 96 else {
markrad 3:c0556ff7b8e3 97 return shaNull;
markrad 3:c0556ff7b8e3 98 }
markrad 3:c0556ff7b8e3 99 }
markrad 3:c0556ff7b8e3 100
markrad 3:c0556ff7b8e3 101 /*
markrad 3:c0556ff7b8e3 102 * USHAFinalBits
markrad 3:c0556ff7b8e3 103 *
markrad 3:c0556ff7b8e3 104 * Description:
markrad 3:c0556ff7b8e3 105 * This function will add in any final bits of the message.
markrad 3:c0556ff7b8e3 106 *
markrad 3:c0556ff7b8e3 107 * Parameters:
markrad 3:c0556ff7b8e3 108 * context: [in/out]
markrad 3:c0556ff7b8e3 109 * The SHA context to update
markrad 3:c0556ff7b8e3 110 * message_bits: [in]
markrad 3:c0556ff7b8e3 111 * The final bits of the message, in the upper portion of the
markrad 3:c0556ff7b8e3 112 * byte. (Use 0b###00000 instead of 0b00000### to input the
markrad 3:c0556ff7b8e3 113 * three bits ###.)
markrad 3:c0556ff7b8e3 114 * length: [in]
markrad 3:c0556ff7b8e3 115 * The number of bits in message_bits, between 1 and 7.
markrad 3:c0556ff7b8e3 116 *
markrad 3:c0556ff7b8e3 117 * Returns:
markrad 3:c0556ff7b8e3 118 * sha Error Code.
markrad 3:c0556ff7b8e3 119 */
markrad 3:c0556ff7b8e3 120 int USHAFinalBits(USHAContext *ctx,
markrad 3:c0556ff7b8e3 121 const uint8_t bits, unsigned int bitcount)
markrad 3:c0556ff7b8e3 122 {
markrad 3:c0556ff7b8e3 123 if (ctx) {
markrad 3:c0556ff7b8e3 124 switch (ctx->whichSha) {
markrad 3:c0556ff7b8e3 125 case SHA1:
markrad 3:c0556ff7b8e3 126 return SHA1FinalBits((SHA1Context*)&ctx->ctx, bits, bitcount);
markrad 3:c0556ff7b8e3 127 case SHA224:
markrad 3:c0556ff7b8e3 128 return SHA224FinalBits((SHA224Context*)&ctx->ctx, bits,
markrad 3:c0556ff7b8e3 129 bitcount);
markrad 3:c0556ff7b8e3 130 case SHA256:
markrad 3:c0556ff7b8e3 131 return SHA256FinalBits((SHA256Context*)&ctx->ctx, bits,
markrad 3:c0556ff7b8e3 132 bitcount);
markrad 3:c0556ff7b8e3 133 case SHA384:
markrad 3:c0556ff7b8e3 134 return SHA384FinalBits((SHA384Context*)&ctx->ctx, bits,
markrad 3:c0556ff7b8e3 135 bitcount);
markrad 3:c0556ff7b8e3 136 case SHA512:
markrad 3:c0556ff7b8e3 137 return SHA512FinalBits((SHA512Context*)&ctx->ctx, bits,
markrad 3:c0556ff7b8e3 138 bitcount);
markrad 3:c0556ff7b8e3 139 default: return shaBadParam;
markrad 3:c0556ff7b8e3 140 }
markrad 3:c0556ff7b8e3 141 }
markrad 3:c0556ff7b8e3 142 else {
markrad 3:c0556ff7b8e3 143 return shaNull;
markrad 3:c0556ff7b8e3 144 }
markrad 3:c0556ff7b8e3 145 }
markrad 3:c0556ff7b8e3 146
markrad 3:c0556ff7b8e3 147 /*
markrad 3:c0556ff7b8e3 148 * USHAResult
markrad 3:c0556ff7b8e3 149 *
markrad 3:c0556ff7b8e3 150 * Description:
markrad 3:c0556ff7b8e3 151 * This function will return the 160-bit message digest into the
markrad 3:c0556ff7b8e3 152 * Message_Digest array provided by the caller.
markrad 3:c0556ff7b8e3 153 * NOTE: The first octet of hash is stored in the 0th element,
markrad 3:c0556ff7b8e3 154 * the last octet of hash in the 19th element.
markrad 3:c0556ff7b8e3 155 *
markrad 3:c0556ff7b8e3 156 * Parameters:
markrad 3:c0556ff7b8e3 157 * context: [in/out]
markrad 3:c0556ff7b8e3 158 * The context to use to calculate the SHA-1 hash.
markrad 3:c0556ff7b8e3 159 * Message_Digest: [out]
markrad 3:c0556ff7b8e3 160 * Where the digest is returned.
markrad 3:c0556ff7b8e3 161 *
markrad 3:c0556ff7b8e3 162 * Returns:
markrad 3:c0556ff7b8e3 163 * sha Error Code.
markrad 3:c0556ff7b8e3 164 *
markrad 3:c0556ff7b8e3 165 */
markrad 3:c0556ff7b8e3 166 int USHAResult(USHAContext *ctx,
markrad 3:c0556ff7b8e3 167 uint8_t Message_Digest[USHAMaxHashSize])
markrad 3:c0556ff7b8e3 168 {
markrad 3:c0556ff7b8e3 169 if (ctx) {
markrad 3:c0556ff7b8e3 170 switch (ctx->whichSha) {
markrad 3:c0556ff7b8e3 171 case SHA1:
markrad 3:c0556ff7b8e3 172 return SHA1Result((SHA1Context*)&ctx->ctx, Message_Digest);
markrad 3:c0556ff7b8e3 173 case SHA224:
markrad 3:c0556ff7b8e3 174 return SHA224Result((SHA224Context*)&ctx->ctx, Message_Digest);
markrad 3:c0556ff7b8e3 175 case SHA256:
markrad 3:c0556ff7b8e3 176 return SHA256Result((SHA256Context*)&ctx->ctx, Message_Digest);
markrad 3:c0556ff7b8e3 177 case SHA384:
markrad 3:c0556ff7b8e3 178 return SHA384Result((SHA384Context*)&ctx->ctx, Message_Digest);
markrad 3:c0556ff7b8e3 179 case SHA512:
markrad 3:c0556ff7b8e3 180 return SHA512Result((SHA512Context*)&ctx->ctx, Message_Digest);
markrad 3:c0556ff7b8e3 181 default: return shaBadParam;
markrad 3:c0556ff7b8e3 182 }
markrad 3:c0556ff7b8e3 183 }
markrad 3:c0556ff7b8e3 184 else {
markrad 3:c0556ff7b8e3 185 return shaNull;
markrad 3:c0556ff7b8e3 186 }
markrad 3:c0556ff7b8e3 187 }
markrad 3:c0556ff7b8e3 188
markrad 3:c0556ff7b8e3 189 /*
markrad 3:c0556ff7b8e3 190 * USHABlockSize
markrad 3:c0556ff7b8e3 191 *
markrad 3:c0556ff7b8e3 192 * Description:
markrad 3:c0556ff7b8e3 193 * This function will return the blocksize for the given SHA
markrad 3:c0556ff7b8e3 194 * algorithm.
markrad 3:c0556ff7b8e3 195 *
markrad 3:c0556ff7b8e3 196 * Parameters:
markrad 3:c0556ff7b8e3 197 * whichSha:
markrad 3:c0556ff7b8e3 198 * which SHA algorithm to query
markrad 3:c0556ff7b8e3 199 *
markrad 3:c0556ff7b8e3 200 * Returns:
markrad 3:c0556ff7b8e3 201 * block size
markrad 3:c0556ff7b8e3 202 *
markrad 3:c0556ff7b8e3 203 */
markrad 3:c0556ff7b8e3 204 int USHABlockSize(enum SHAversion whichSha)
markrad 3:c0556ff7b8e3 205 {
markrad 3:c0556ff7b8e3 206 switch (whichSha) {
markrad 3:c0556ff7b8e3 207 case SHA1: return SHA1_Message_Block_Size;
markrad 3:c0556ff7b8e3 208 case SHA224: return SHA224_Message_Block_Size;
markrad 3:c0556ff7b8e3 209 case SHA256: return SHA256_Message_Block_Size;
markrad 3:c0556ff7b8e3 210 case SHA384: return SHA384_Message_Block_Size;
markrad 3:c0556ff7b8e3 211 default:
markrad 3:c0556ff7b8e3 212 case SHA512: return SHA512_Message_Block_Size;
markrad 3:c0556ff7b8e3 213 }
markrad 3:c0556ff7b8e3 214 }
markrad 3:c0556ff7b8e3 215
markrad 3:c0556ff7b8e3 216 /*
markrad 3:c0556ff7b8e3 217 * USHAHashSize
markrad 3:c0556ff7b8e3 218 *
markrad 3:c0556ff7b8e3 219 * Description:
markrad 3:c0556ff7b8e3 220 * This function will return the hashsize for the given SHA
markrad 3:c0556ff7b8e3 221 * algorithm.
markrad 3:c0556ff7b8e3 222 *
markrad 3:c0556ff7b8e3 223 * Parameters:
markrad 3:c0556ff7b8e3 224 * whichSha:
markrad 3:c0556ff7b8e3 225 * which SHA algorithm to query
markrad 3:c0556ff7b8e3 226 *
markrad 3:c0556ff7b8e3 227 * Returns:
markrad 3:c0556ff7b8e3 228 * hash size
markrad 3:c0556ff7b8e3 229 *
markrad 3:c0556ff7b8e3 230 */
markrad 3:c0556ff7b8e3 231 int USHAHashSize(enum SHAversion whichSha)
markrad 3:c0556ff7b8e3 232 {
markrad 3:c0556ff7b8e3 233 switch (whichSha) {
markrad 3:c0556ff7b8e3 234 case SHA1: return SHA1HashSize;
markrad 3:c0556ff7b8e3 235 case SHA224: return SHA224HashSize;
markrad 3:c0556ff7b8e3 236 case SHA256: return SHA256HashSize;
markrad 3:c0556ff7b8e3 237 case SHA384: return SHA384HashSize;
markrad 3:c0556ff7b8e3 238 default:
markrad 3:c0556ff7b8e3 239 case SHA512: return SHA512HashSize;
markrad 3:c0556ff7b8e3 240 }
markrad 3:c0556ff7b8e3 241 }
markrad 3:c0556ff7b8e3 242
markrad 3:c0556ff7b8e3 243 /*
markrad 3:c0556ff7b8e3 244 * USHAHashSizeBits
markrad 3:c0556ff7b8e3 245 *
markrad 3:c0556ff7b8e3 246 * Description:
markrad 3:c0556ff7b8e3 247 * This function will return the hashsize for the given SHA
markrad 3:c0556ff7b8e3 248 * algorithm, expressed in bits.
markrad 3:c0556ff7b8e3 249 *
markrad 3:c0556ff7b8e3 250 * Parameters:
markrad 3:c0556ff7b8e3 251 * whichSha:
markrad 3:c0556ff7b8e3 252 * which SHA algorithm to query
markrad 3:c0556ff7b8e3 253 *
markrad 3:c0556ff7b8e3 254 * Returns:
markrad 3:c0556ff7b8e3 255 * hash size in bits
markrad 3:c0556ff7b8e3 256 *
markrad 3:c0556ff7b8e3 257 */
markrad 3:c0556ff7b8e3 258 int USHAHashSizeBits(enum SHAversion whichSha)
markrad 3:c0556ff7b8e3 259 {
markrad 3:c0556ff7b8e3 260 switch (whichSha) {
markrad 3:c0556ff7b8e3 261 case SHA1: return SHA1HashSizeBits;
markrad 3:c0556ff7b8e3 262 case SHA224: return SHA224HashSizeBits;
markrad 3:c0556ff7b8e3 263 case SHA256: return SHA256HashSizeBits;
markrad 3:c0556ff7b8e3 264 case SHA384: return SHA384HashSizeBits;
markrad 3:c0556ff7b8e3 265 default:
markrad 3:c0556ff7b8e3 266 case SHA512: return SHA512HashSizeBits;
markrad 3:c0556ff7b8e3 267 }
markrad 3:c0556ff7b8e3 268 }
markrad 3:c0556ff7b8e3 269