add Hash library with support for sha1

hardware/esp8266com/esp8266/libraries/ESP8266WebServer/src/ESP8266WebServer.cpp

@@ -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 "";

hardware/esp8266com/esp8266/libraries/Hash/examples/sha1.ino

@@ -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);
+}
+

hardware/esp8266com/esp8266/libraries/Hash/library.properties

@@ -0,0 +1,8 @@
+name=Hash
+version=1.0
+author=Markus Sattler
+maintainer=Markus Sattler 
+sentence=Generate Hash from data
+paragraph=
+url=
+architectures=esp8266

hardware/esp8266com/esp8266/libraries/Hash/src/Hash.cpp

@@ -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());
+}
+

hardware/esp8266com/esp8266/libraries/Hash/src/Hash.h

@@ -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_ */