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Merge pull request #291 from Links2004/esp8266

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add Hash library with support for sha1
This commit is contained in:
Ivan Grokhotkov 2015-05-21 09:09:58 +03:00
commit 0256dd0fbb
7 changed files with 441 additions and 0 deletions
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2
libraries/ESP8266WebServer/src/ESP8266WebServer.cpp
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@ -251,7 +251,9 @@ void ESP8266WebServer::_handleRequest() {
const char* ESP8266WebServer::_responseCodeToString(int code) {
switch (code) {
case 101: return "Switching Protocols";
case 200: return "OK";
case 403: return "Forbidden";
case 404: return "Not found";
case 500: return "Fail";
default: return "";

32
libraries/Hash/examples/sha1.ino Normal file
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@ -0,0 +1,32 @@
/**
* simple demo to show sha1 calculation
*/
#include <Arduino.h>
#include <Hash.h>
void setup() {
Serial.begin(921600);
}
void loop() {
// usage as String
// SHA1:a94a8fe5ccb19ba61c4c0873d391e987982fbbd3
Serial.print("SHA1:");
Serial.println(sha1("abc"));
// usage as ptr
// SHA1:a94a8fe5ccb19ba61c4c0873d391e987982fbbd3
uint8_t hash[20];
sha1("abc", &hash[0]);
Serial.print("SHA1:");
for(uint16_t i = 0; i < 20; i++) {
Serial.printf("%02x", hash[i]);
}
Serial.println();
delay(1000);
}

8
libraries/Hash/library.properties Normal file
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@ -0,0 +1,8 @@
name=Hash
version=1.0
author=Markus Sattler
maintainer=Markus Sattler
sentence=Generate Hash from data
paragraph=
url=
architectures=esp8266

117
libraries/Hash/src/Hash.cpp Normal file
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@ -0,0 +1,117 @@
/**
* @file Hash.cpp
* @date 20.05.2015
* @author Markus Sattler
*
* Copyright (c) 2015 Markus Sattler. All rights reserved.
* This file is part of the esp8266 core for Arduino environment.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <Arduino.h>
#include "Hash.h"
extern "C" {
#include "sha1/sha1.h"
}
/**
* create a sha1 hash from data
* @param data uint8_t *
* @param size uint32_t
* @param hash uint8_t[20]
*/
void sha1(uint8_t * data, uint32_t size, uint8_t hash[20]) {
SHA1_CTX ctx;
#ifdef DEBUG_SHA1
os_printf("DATA:");
for(uint16_t i = 0; i < size; i++) {
os_printf("%02X", data[i]);
}
os_printf("\n");
os_printf("DATA:");
for(uint16_t i = 0; i < size; i++) {
os_printf("%c", data[i]);
}
os_printf("\n");
#endif
SHA1Init(&ctx);
SHA1Update(&ctx, data, size);
SHA1Final(hash, &ctx);
#ifdef DEBUG_SHA1
os_printf("SHA1:");
for(uint16_t i = 0; i < 20; i++) {
os_printf("%02X", hash[i]);
}
os_printf("\n\n");
#endif
}
void sha1(char * data, uint32_t size, uint8_t hash[20]) {
sha1((uint8_t *) data, size, hash);
}
void sha1(const uint8_t * data, uint32_t size, uint8_t hash[20]) {
sha1((uint8_t *) data, size, hash);
}
void sha1(const char * data, uint32_t size, uint8_t hash[20]) {
sha1((uint8_t *) data, size, hash);
}
void sha1(String data, uint8_t hash[20]) {
sha1(data.c_str(), data.length(), hash);
}
String sha1(uint8_t* data, uint32_t size) {
uint8_t hash[20];
String hashStr = "";
sha1(&data[0], size, &hash[0]);
for(uint16_t i = 0; i < 20; i++) {
String hex = String(hash[i], HEX);
if(hex.length() < 2) {
hex = "0" + hex;
}
hashStr += hex;
}
return hashStr;
}
String sha1(char* data, uint32_t size) {
return sha1((uint8_t*) data, size);
}
String sha1(const uint8_t* data, uint32_t size) {
return sha1((uint8_t*) data, size);
}
String sha1(const char* data, uint32_t size) {
return sha1((uint8_t*) data, size);
}
String sha1(String data) {
return sha1(data.c_str(), data.length());
}

42
libraries/Hash/src/Hash.h Normal file
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@ -0,0 +1,42 @@
/**
* @file Hash.h
* @date 20.05.2015
* @author Markus Sattler
*
* Copyright (c) 2015 Markus Sattler. All rights reserved.
* This file is part of the esp8266 core for Arduino environment.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef HASH_H_
#define HASH_H_
//#define DEBUG_SHA1
void sha1(uint8_t * data, uint32_t size, uint8_t hash[20]);
void sha1(char * data, uint32_t size, uint8_t hash[20]);
void sha1(const uint8_t * data, uint32_t size, uint8_t hash[20]);
void sha1(const char * data, uint32_t size, uint8_t hash[20]);
void sha1(String data, uint8_t hash[20]);
String sha1(uint8_t* data, uint32_t size);
String sha1(char* data, uint32_t size);
String sha1(const uint8_t* data, uint32_t size);
String sha1(const char* data, uint32_t size);
String sha1(String data);
#endif /* HASH_H_ */

208
libraries/Hash/src/sha1/sha1.c Normal file
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/**
* @file sha1.c
* @date 20.05.2015
* @author Steve Reid <steve@edmweb.com>
*
* from: http://www.virtualbox.org/svn/vbox/trunk/src/recompiler/tests/sha1.c
*/
/* from valgrind tests */
/* ================ sha1.c ================ */
/*
SHA-1 in C
By Steve Reid <steve@edmweb.com>
100% Public Domain
Test Vectors (from FIPS PUB 180-1)
"abc"
A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
A million repetitions of "a"
34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
*/
/* #define LITTLE_ENDIAN * This should be #define'd already, if true. */
/* #define SHA1HANDSOFF * Copies data before messing with it. */
#define SHA1HANDSOFF
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <c_types.h>
#include "sha1.h"
//#include <endian.h>
#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
/* blk0() and blk() perform the initial expand. */
/* I got the idea of expanding during the round function from SSLeay */
#if BYTE_ORDER == LITTLE_ENDIAN
#define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
|(rol(block->l[i],8)&0x00FF00FF))
#elif BYTE_ORDER == BIG_ENDIAN
#define blk0(i) block->l[i]
#else
#error "Endianness not defined!"
#endif
#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
^block->l[(i+2)&15]^block->l[i&15],1))
/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
/* Hash a single 512-bit block. This is the core of the algorithm. */
void ICACHE_FLASH_ATTR SHA1Transform(uint32_t state[5], uint8_t buffer[64])
{
uint32_t a, b, c, d, e;
typedef union {
unsigned char c[64];
uint32_t l[16];
} CHAR64LONG16;
#ifdef SHA1HANDSOFF
CHAR64LONG16 block[1]; /* use array to appear as a pointer */
memcpy(block, buffer, 64);
#else
/* The following had better never be used because it causes the
* pointer-to-const buffer to be cast into a pointer to non-const.
* And the result is written through. I threw a "const" in, hoping
* this will cause a diagnostic.
*/
CHAR64LONG16* block = (const CHAR64LONG16*)buffer;
#endif
/* Copy context->state[] to working vars */
a = state[0];
b = state[1];
c = state[2];
d = state[3];
e = state[4];
/* 4 rounds of 20 operations each. Loop unrolled. */
R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
/* Add the working vars back into context.state[] */
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
state[4] += e;
/* Wipe variables */
a = b = c = d = e = 0;
#ifdef SHA1HANDSOFF
memset(block, '\0', sizeof(block));
#endif
}
/* SHA1Init - Initialize new context */
void ICACHE_FLASH_ATTR SHA1Init(SHA1_CTX* context)
{
/* SHA1 initialization constants */
context->state[0] = 0x67452301;
context->state[1] = 0xEFCDAB89;
context->state[2] = 0x98BADCFE;
context->state[3] = 0x10325476;
context->state[4] = 0xC3D2E1F0;
context->count[0] = context->count[1] = 0;
}
/* Run your data through this. */
void ICACHE_FLASH_ATTR SHA1Update(SHA1_CTX* context, uint8_t* data, uint32_t len)
{
uint32_t i;
uint32_t j;
j = context->count[0];
if ((context->count[0] += len << 3) < j)
context->count[1]++;
context->count[1] += (len>>29);
j = (j >> 3) & 63;
if ((j + len) > 63) {
memcpy(&context->buffer[j], data, (i = 64-j));
SHA1Transform(context->state, context->buffer);
for ( ; i + 63 < len; i += 64) {
SHA1Transform(context->state, &data[i]);
}
j = 0;
}
else i = 0;
memcpy(&context->buffer[j], &data[i], len - i);
}
/* Add padding and return the message digest. */
void ICACHE_FLASH_ATTR SHA1Final(unsigned char digest[20], SHA1_CTX* context)
{
unsigned i;
unsigned char finalcount[8];
unsigned char c;
#if 0 /* untested "improvement" by DHR */
/* Convert context->count to a sequence of bytes
* in finalcount. Second element first, but
* big-endian order within element.
* But we do it all backwards.
*/
unsigned char *fcp = &finalcount[8];
for (i = 0; i < 2; i++)
{
uint32_t t = context->count[i];
int j;
for (j = 0; j < 4; t >>= 8, j++)
*--fcp = (unsigned char) t;
}
#else
for (i = 0; i < 8; i++) {
finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)]
>> ((3-(i & 3)) * 8) ) & 255); /* Endian independent */
}
#endif
c = 0200;
SHA1Update(context, &c, 1);
while ((context->count[0] & 504) != 448) {
c = 0000;
SHA1Update(context, &c, 1);
}
SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
for (i = 0; i < 20; i++) {
digest[i] = (unsigned char)
((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
}
/* Wipe variables */
memset(context, '\0', sizeof(*context));
memset(&finalcount, '\0', sizeof(finalcount));
}
/* ================ end of sha1.c ================ */

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libraries/Hash/src/sha1/sha1.h Normal file
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/**
* @file sha1.h
* @date 20.05.2015
* @author Steve Reid <steve@edmweb.com>
*
* from: http://www.virtualbox.org/svn/vbox/trunk/src/recompiler/tests/sha1.c
*/
/* ================ sha1.h ================ */
/*
SHA-1 in C
By Steve Reid <steve@edmweb.com>
100% Public Domain
*/
#ifndef SHA1_H_
#define SHA1_H_
typedef struct {
uint32_t state[5];
uint32_t count[2];
unsigned char buffer[64];
} SHA1_CTX;
void SHA1Transform(uint32_t state[5], uint8_t buffer[64]);
void SHA1Init(SHA1_CTX* context);
void SHA1Update(SHA1_CTX* context, uint8_t* data, uint32_t len);
void SHA1Final(unsigned char digest[20], SHA1_CTX* context);
#endif /* SHA1_H_ */
/* ================ end of sha1.h ================ */