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# Prerequisites
*.d
# Compiled Object files
*.slo
*.lo
*.o
*.obj
# Precompiled Headers
*.gch
*.pch
# Compiled Dynamic libraries
*.so
*.dylib
*.dll
# Fortran module files
*.mod
*.smod
# Compiled Static libraries
*.lai
*.la
*.a
*.lib
# Executables
*.exe
*.out
*.app

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GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Port for Hash library from https://github.com/esp8266/Arduino/libraries/Hash
commit d6f1f0d to ESP32.
This is an experimental port that should work on ESP8266 and ESP32. This is NOT
an official repo supported by Espressif. Do not depend on this code for
anything important or expect it to be updated. Once the official repo is
created, this repo will be deleted.

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lib/Hash/examples/sha1/sha1.ino Normal file
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/**
* 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);
}

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name=Hash
version=1.0
author=Markus Sattler
maintainer=Markus Sattler
sentence=Generate Hash from data
paragraph=
category=Data Processing
url=
architectures=esp8266,esp32

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lib/Hash/src/Hash.cpp Normal file
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/**
* @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"
#include "sha1/sha1.c"
}
/**
* 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());
}

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/**
* @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_ */

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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>
#ifndef ESP32
#include <c_types.h>
#endif
#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. */
STATIC 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 */
STATIC 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. */
STATIC 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. */
STATIC 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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/**
* @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_
#ifdef ESP32
#define ICACHE_FLASH_ATTR
#define STATIC static
#else
#define STATIC
#endif
typedef struct {
uint32_t state[5];
uint32_t count[2];
unsigned char buffer[64];
} SHA1_CTX;
STATIC void SHA1Transform(uint32_t state[5], uint8_t buffer[64]);
STATIC void SHA1Init(SHA1_CTX* context);
STATIC void SHA1Update(SHA1_CTX* context, uint8_t* data, uint32_t len);
STATIC void SHA1Final(unsigned char digest[20], SHA1_CTX* context);
#endif /* SHA1_H_ */
/* ================ end of sha1.h ================ */