diff --git a/examples/boardID/boardID.ino b/examples/boardID/boardID.ino new file mode 100644 index 0000000..77d690b --- /dev/null +++ b/examples/boardID/boardID.ino @@ -0,0 +1,26 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#include + +void setup() { + Serial.begin(9600); + while (!Serial); + +#ifdef ARDUINO_OPTA + Ethernet.begin(NULL,0,0); +#endif + +} + +void loop() { + Serial.println(arduino::bpid::get()); + delay(2000); +} diff --git a/examples/sha256/buffer.h b/examples/sha256/buffer.h new file mode 100644 index 0000000..782e6e8 --- /dev/null +++ b/examples/sha256/buffer.h @@ -0,0 +1,43 @@ +#pragma once + +/* + * The following buffer is an hex dump of 1k of random data generated as + * head -c 1k /dev/urandom > /tmp/test + * and dumped with the following command `hexdump extras/test/test_files/test-1k -e '32/1 "0x%02X, ""\n"'` + * The SHA256 is known 1a7004279b162a6321de07de9d0362a66833b16f9acf870a69331e219eeafc7c /tmp/test + */ + +uint8_t buffer[] = { + 0x58, 0x1A, 0x10, 0xDD, 0x00, 0xBE, 0xE1, 0x2B, 0xE5, 0xA9, 0x62, 0xAF, 0x59, 0x66, 0x9C, 0x84, 0x50, 0x91, 0x30, 0x8E, 0x8F, 0xE4, 0x82, 0xE7, 0xDA, 0x9F, 0x90, 0x7A, 0xA2, 0x78, 0xCF, 0x7D, + 0x40, 0x0E, 0x15, 0x5D, 0x2E, 0xF8, 0x6F, 0xA2, 0xEC, 0x50, 0xF1, 0xC9, 0x20, 0x71, 0xB9, 0xB7, 0xE8, 0x54, 0x06, 0x9E, 0x9E, 0xD7, 0x81, 0x31, 0x37, 0x56, 0x54, 0xD7, 0x37, 0xBE, 0x64, 0xAF, + 0x9E, 0xC8, 0xFA, 0x67, 0x99, 0x4E, 0xFD, 0x58, 0xB6, 0x27, 0xAF, 0x06, 0xDE, 0xCD, 0x00, 0x40, 0xA7, 0x45, 0x3D, 0x2F, 0x0F, 0x91, 0x93, 0x88, 0x06, 0xDF, 0xC3, 0x60, 0x6F, 0x61, 0x26, 0x36, + 0xF9, 0x19, 0xB0, 0x6F, 0x00, 0xAC, 0x73, 0xC2, 0x46, 0xC2, 0xC2, 0x96, 0xF0, 0xF3, 0xF7, 0xEE, 0x3D, 0x4E, 0x97, 0x64, 0xDC, 0x6A, 0x4F, 0xF5, 0xFC, 0x29, 0x05, 0x60, 0xA8, 0x0F, 0x9C, 0xF6, + 0x16, 0xF1, 0xDC, 0xF1, 0x84, 0xFF, 0x47, 0xE1, 0x2A, 0x55, 0x36, 0xC5, 0xB3, 0x1F, 0x8B, 0x38, 0x64, 0xA8, 0x67, 0x31, 0xE2, 0xB9, 0x15, 0x23, 0x6F, 0xD9, 0x9B, 0x68, 0xC8, 0x89, 0xB9, 0xB4, + 0x52, 0xCD, 0x10, 0xAA, 0xC9, 0x94, 0xFF, 0x13, 0xD2, 0x10, 0x7D, 0x03, 0x83, 0x13, 0xD5, 0xD7, 0x23, 0x86, 0xD9, 0x4A, 0x60, 0xDD, 0xA6, 0x24, 0x3E, 0x4E, 0x0F, 0x3B, 0x46, 0xFD, 0x3C, 0xD9, + 0x3B, 0xD7, 0xEC, 0xE4, 0xD1, 0xF5, 0xA4, 0xAF, 0x40, 0xCF, 0x35, 0x76, 0x0F, 0x8F, 0xDC, 0x7D, 0x12, 0x92, 0x0B, 0x79, 0xD9, 0x1E, 0x5C, 0xA7, 0xD7, 0x79, 0x46, 0xA3, 0xC1, 0x42, 0x50, 0x11, + 0x52, 0x77, 0x26, 0xFE, 0x6B, 0x6E, 0xCF, 0xC4, 0x28, 0x64, 0xB2, 0xB2, 0xD8, 0x59, 0xAC, 0x46, 0xB2, 0x0E, 0xAF, 0xD1, 0xC1, 0x3C, 0x02, 0x6A, 0x6E, 0x1C, 0xED, 0xCC, 0x95, 0xCE, 0x1B, 0xFD, + 0x9E, 0xDB, 0x83, 0xBE, 0xBA, 0xAF, 0xC5, 0x98, 0x98, 0x01, 0x71, 0xE1, 0xD3, 0x6E, 0xF4, 0x26, 0x3C, 0x40, 0x5E, 0x84, 0x24, 0xF7, 0x62, 0x31, 0x3C, 0x8E, 0xF1, 0xE6, 0xCF, 0xB5, 0x29, 0x4B, + 0x22, 0xA1, 0xA3, 0xB6, 0xE1, 0x7D, 0xFD, 0xEE, 0x7C, 0x5D, 0x84, 0x4D, 0x7E, 0x94, 0x3A, 0x85, 0x82, 0x19, 0x76, 0xBC, 0x66, 0xD7, 0x91, 0x81, 0x9E, 0x34, 0x5C, 0x05, 0x44, 0xE5, 0x10, 0x06, + 0x24, 0xAC, 0xC7, 0xEF, 0x6D, 0xFB, 0x3E, 0xEB, 0x51, 0x35, 0xD2, 0x51, 0xB1, 0x0D, 0xFD, 0x36, 0x1C, 0x1D, 0x05, 0xE9, 0x7B, 0x99, 0x00, 0x01, 0x57, 0xC9, 0xEF, 0x29, 0xAF, 0x55, 0xBF, 0xC3, + 0x4F, 0x21, 0x6F, 0x18, 0x9F, 0x02, 0x69, 0x1A, 0x1F, 0xD1, 0xAA, 0x97, 0x7B, 0xBA, 0x5D, 0x47, 0xDD, 0xBA, 0x62, 0xD7, 0xB7, 0x07, 0x67, 0x84, 0x75, 0xE4, 0x66, 0x2A, 0xBA, 0x64, 0xDF, 0x7B, + 0x12, 0x1B, 0x2D, 0xC7, 0x16, 0xBC, 0xC4, 0x2A, 0xCD, 0x22, 0xE7, 0xCA, 0x11, 0x21, 0x70, 0x44, 0x9B, 0xA7, 0x61, 0xD7, 0x95, 0x0C, 0x87, 0xE6, 0xBF, 0x27, 0x52, 0xED, 0x5C, 0x14, 0x2C, 0xE6, + 0xBA, 0x00, 0xD4, 0x2E, 0xE7, 0xD6, 0xAA, 0x9E, 0x45, 0x78, 0xA7, 0x21, 0x86, 0xD9, 0x2F, 0x9F, 0x8A, 0x95, 0x42, 0xE0, 0x21, 0x18, 0xBE, 0xDD, 0xD4, 0xF8, 0x9F, 0x13, 0x82, 0xDC, 0xCE, 0x16, + 0x79, 0x22, 0xFA, 0xF9, 0xDC, 0x1C, 0xE2, 0x6F, 0x84, 0xA2, 0x88, 0x82, 0xCE, 0x51, 0xC8, 0x07, 0x61, 0x90, 0x2E, 0x91, 0x69, 0x94, 0x5E, 0xC3, 0xCA, 0x40, 0x7C, 0xE8, 0x14, 0xC2, 0x53, 0xD7, + 0x9D, 0xC5, 0x5A, 0x70, 0x45, 0xF7, 0xD1, 0x15, 0xEB, 0x21, 0xBB, 0x86, 0x03, 0xBB, 0x8A, 0xC3, 0x49, 0x6B, 0x42, 0x7A, 0x50, 0x2A, 0x62, 0x33, 0x36, 0xD4, 0xB7, 0xE3, 0xA9, 0x66, 0xD8, 0x96, + 0x21, 0x34, 0x9F, 0xEF, 0xBA, 0x4D, 0xB2, 0xAE, 0x66, 0x32, 0xFD, 0x3D, 0xD5, 0x47, 0x07, 0x17, 0x4D, 0x55, 0x63, 0x49, 0x54, 0xF8, 0xC6, 0xC4, 0x04, 0xF3, 0xCD, 0xC3, 0x6D, 0xCB, 0x8E, 0x34, + 0x04, 0x86, 0xC0, 0xFA, 0x1F, 0xB7, 0x1E, 0x86, 0x2D, 0xAB, 0xC4, 0xA5, 0x37, 0xEC, 0xD9, 0x77, 0x39, 0x59, 0x98, 0xFF, 0xDF, 0x1D, 0x27, 0xAB, 0xED, 0xA2, 0xF0, 0x7E, 0x4C, 0xF0, 0x2C, 0x74, + 0x73, 0x4E, 0x3B, 0x7D, 0x1D, 0xA6, 0x02, 0x65, 0xB5, 0xE7, 0x5D, 0x09, 0x74, 0x0F, 0x5A, 0xCF, 0x82, 0xF9, 0x74, 0x25, 0xEB, 0x39, 0xA9, 0xC2, 0x01, 0x69, 0x5F, 0x8E, 0xAD, 0x7F, 0x67, 0xC7, + 0x82, 0xB2, 0xC6, 0x72, 0xE7, 0x73, 0xAB, 0xA4, 0x64, 0x9C, 0x0D, 0x2E, 0x28, 0x0D, 0x30, 0x9B, 0x76, 0x54, 0x12, 0xC6, 0xB4, 0xB5, 0xDC, 0xCC, 0x10, 0xB7, 0x12, 0x10, 0x69, 0x0F, 0xE0, 0x14, + 0x6C, 0xD4, 0x2C, 0x56, 0xA8, 0xCB, 0xDC, 0x7B, 0xD5, 0xFE, 0x32, 0x13, 0x99, 0x32, 0x58, 0xA8, 0x89, 0x79, 0xBD, 0x00, 0x87, 0xF0, 0x15, 0xC0, 0xD8, 0xD9, 0x17, 0x55, 0xD1, 0x83, 0xD3, 0xF1, + 0x2E, 0x83, 0x02, 0x81, 0x73, 0xE8, 0xE8, 0x0F, 0x99, 0x50, 0xB5, 0x79, 0x1E, 0x7C, 0x17, 0x21, 0xE9, 0xFA, 0x7C, 0x97, 0x4F, 0xC7, 0x3F, 0x3A, 0x36, 0x12, 0x1B, 0x83, 0xA3, 0x44, 0x82, 0x59, + 0xBE, 0x6B, 0x91, 0xCF, 0xC5, 0x11, 0xBA, 0xB1, 0xF6, 0x77, 0x1E, 0xFC, 0x16, 0x2F, 0x4A, 0x40, 0xDB, 0x9B, 0x16, 0x5D, 0x8D, 0xBB, 0x86, 0x54, 0x15, 0x13, 0x13, 0x15, 0x27, 0x26, 0x2B, 0x4A, + 0x0A, 0xBE, 0x5E, 0x5A, 0xF8, 0xBF, 0xBF, 0x71, 0xB1, 0xA8, 0xD1, 0x03, 0x8F, 0xE4, 0xB3, 0xA4, 0x82, 0x1F, 0x9C, 0x43, 0x57, 0x7B, 0x90, 0x04, 0x5D, 0x69, 0xCB, 0x48, 0x6D, 0x0C, 0x85, 0x0A, + 0xC7, 0x3F, 0x19, 0x18, 0x92, 0xD0, 0x20, 0x49, 0xB2, 0x3D, 0xD8, 0xBD, 0x5E, 0xF8, 0x42, 0x73, 0x14, 0xF3, 0xD5, 0xD1, 0xFE, 0xFD, 0xDB, 0xCA, 0x28, 0x15, 0x86, 0xE4, 0x50, 0x99, 0xD2, 0x7E, + 0xF9, 0x95, 0xAC, 0xBE, 0x8C, 0xC9, 0xEB, 0x1D, 0x85, 0xB7, 0x76, 0x35, 0x0F, 0xF4, 0x68, 0xD7, 0x50, 0x40, 0xF9, 0xBD, 0x72, 0x03, 0x92, 0x4E, 0x16, 0x21, 0x0D, 0x58, 0x8F, 0x63, 0xFB, 0x4F, + 0x1E, 0xD7, 0x36, 0x19, 0x5A, 0xFD, 0xF2, 0x57, 0x59, 0x14, 0x8D, 0x1D, 0x66, 0x47, 0x7E, 0xF9, 0x02, 0x52, 0x3C, 0xA8, 0x9C, 0x36, 0x11, 0x76, 0x1C, 0x41, 0x84, 0xB2, 0x16, 0xD6, 0xCF, 0x38, + 0x3E, 0xB0, 0x40, 0xD9, 0x51, 0x44, 0x73, 0x35, 0x93, 0x39, 0x0A, 0xE9, 0x2C, 0x77, 0x4A, 0x02, 0xDD, 0x07, 0xCE, 0x7A, 0xAD, 0xA5, 0x34, 0x03, 0xFD, 0x08, 0x21, 0x61, 0x82, 0xB7, 0xC5, 0x0D, + 0xC0, 0xEF, 0x2B, 0xB9, 0x90, 0xED, 0x06, 0xF0, 0xA8, 0xC9, 0xB9, 0xCB, 0xF7, 0x38, 0xB9, 0x16, 0x6D, 0x6C, 0x64, 0x8A, 0x18, 0x81, 0x96, 0x31, 0x70, 0xD9, 0x5B, 0xAE, 0x51, 0xBF, 0xC4, 0xED, + 0x7B, 0x6C, 0xAF, 0x14, 0x29, 0xB6, 0x0A, 0x6F, 0xBB, 0xDE, 0x9D, 0xA0, 0x49, 0x5B, 0x39, 0xB4, 0xC0, 0x83, 0x3E, 0x56, 0x18, 0xE8, 0x03, 0xEE, 0xB0, 0x9B, 0x94, 0xF4, 0x70, 0x94, 0xF3, 0x25, + 0xA5, 0x42, 0xC5, 0x2E, 0xD3, 0x09, 0xF1, 0x3B, 0x8E, 0x6C, 0x30, 0x29, 0xD0, 0xD4, 0x62, 0x8C, 0xA3, 0x40, 0x21, 0xFA, 0x93, 0x0E, 0x48, 0x81, 0x20, 0x32, 0x1D, 0xF7, 0xD5, 0xF4, 0x50, 0x64, + 0x68, 0x15, 0x98, 0xFF, 0x3B, 0xD9, 0x64, 0x50, 0x9C, 0x74, 0x0C, 0x25, 0x1E, 0xED, 0xFF, 0x87, 0x84, 0x0B, 0x6D, 0x0F, 0xF3, 0x5E, 0xF9, 0xB6, 0x84, 0x6E, 0x3D, 0xF4, 0x00, 0x37, 0x4D, 0x68, +}; diff --git a/examples/sha256/sha256.ino b/examples/sha256/sha256.ino new file mode 100644 index 0000000..1e904d1 --- /dev/null +++ b/examples/sha256/sha256.ino @@ -0,0 +1,43 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#include +#include "buffer.h" + +void setup() { + Serial.begin(9600); + while(!Serial); + + uint8_t sha[SHA256::HASH_SIZE]; + + SHA256 sha256; + sha256.begin(); + sha256.update(buffer, sizeof(buffer)); + sha256.finalize(sha); + + Serial.println(hexEncode(sha, sizeof(sha))); + + /* One-shot */ + arduino::sha256::oneshot(buffer, sizeof(buffer), sha); + Serial.println(hexEncode(sha, sizeof(sha))); +} + +static String hexEncode(uint8_t* in, uint32_t size) { + String out; + out.reserve((size * 2) + 1); + + char* ptr = out.begin(); + for (uint32_t i = 0; i < size; i++) { + ptr += sprintf(ptr, "%02X", in[i]); + } + return String(out.c_str()); +} + +void loop() { } diff --git a/src/Arduino_BPId.h b/src/Arduino_BPId.h new file mode 100644 index 0000000..802f2fa --- /dev/null +++ b/src/Arduino_BPId.h @@ -0,0 +1,12 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ +#pragma once + +#include "./bpid/bpid.h" diff --git a/src/Arduino_HEX.h b/src/Arduino_HEX.h new file mode 100644 index 0000000..4ea9af0 --- /dev/null +++ b/src/Arduino_HEX.h @@ -0,0 +1,12 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ +#pragma once + +#include "./hex/hex.h" diff --git a/src/Arduino_SHA256.h b/src/Arduino_SHA256.h new file mode 100644 index 0000000..3c5587b --- /dev/null +++ b/src/Arduino_SHA256.h @@ -0,0 +1,12 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ +#pragma once + +#include "./sha256/SHA256.h" diff --git a/src/bpid/bpid.cpp b/src/bpid/bpid.cpp new file mode 100644 index 0000000..74c5705 --- /dev/null +++ b/src/bpid/bpid.cpp @@ -0,0 +1,46 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#include "bpid.h" +#include "../sha256/SHA256.h" +#include "../hex/hex.h" + +namespace arduino { namespace bpid { + + bool get(uint8_t* in, uint32_t size) { + if (size < BOARD_PROVISIONING_ID_SIZE) { + return false; + } + uint8_t offset = 0; + if (!arduino::ucid::get(&in[offset], size)) { + return false; + } + offset += arduino::ucid::UC_UID_SIZE; + if (!arduino::mac::get(&in[offset], size - offset)) { + return false; + } + offset += arduino::mac::IFACE_MAC_SIZE; + if (!arduino::csn::get(&in[offset], size - offset)) { + return false; + } + return true; + } + + String get() { + uint8_t data[BOARD_PROVISIONING_ID_SIZE]; + if (!get(data, sizeof(data))) { + return String(""); + } + uint8_t out[SHA256::HASH_SIZE]; + arduino::sha256::oneshot(data, sizeof(data), out); + return arduino::hex::encode(out, sizeof(out)); + } + +}} // arduino::bpid diff --git a/src/bpid/bpid.h b/src/bpid/bpid.h new file mode 100644 index 0000000..2f6c085 --- /dev/null +++ b/src/bpid/bpid.h @@ -0,0 +1,30 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#pragma once + +#include +#include "ucid.h" +#include "mac.h" +#include "csn.h" + +namespace arduino { namespace bpid { + /* + * This library contains the methods to get board provisioning id + */ + + constexpr int BOARD_PROVISIONING_ID_SIZE = arduino::ucid::UC_UID_SIZE + + arduino::mac::IFACE_MAC_SIZE + + arduino::csn::CRYPTO_SN_SIZE; + + bool get(uint8_t* in, uint32_t size); + String get(); + +}} // arduino::bpid diff --git a/src/bpid/csn.cpp b/src/bpid/csn.cpp new file mode 100644 index 0000000..ce84a18 --- /dev/null +++ b/src/bpid/csn.cpp @@ -0,0 +1,26 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#include "csn.h" + +namespace arduino { namespace csn { + + bool get(uint8_t *in, uint32_t size) { + if (size < CRYPTO_SN_SIZE) { + return false; + } + SecureElement se; + if (!se.begin() || !se.serialNumber(in)) { + return false; + } + return true; + } + +}} // arduino::csn diff --git a/src/bpid/csn.h b/src/bpid/csn.h new file mode 100644 index 0000000..87d61a0 --- /dev/null +++ b/src/bpid/csn.h @@ -0,0 +1,39 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#pragma once + +#include +#include + +namespace arduino { namespace csn { + /* + * This library contains the methods to get board microcontroller id + */ + +#if defined(ARDUINO_NANO_RP2040_CONNECT) || \ + defined(ARDUINO_SAMD_MKRWIFI1010) || \ + defined(ARDUINO_SAMD_NANO_33_IOT) || \ + defined(ARDUINO_PORTENTA_H7_M7) || \ + defined(ARDUINO_OPTA) || \ + defined(ARDUINO_GIGA) + constexpr int CRYPTO_SN_SIZE = 9; +#elif defined(ARDUINO_PORTENTA_C33) || \ + defined(ARDUINO_NICLA_VISION) + constexpr int CRYPTO_SN_SIZE = SE05X_SN_LENGTH; +#elif defined(ARDUINO_UNOR4_WIFI) + constexpr int CRYPTO_SN_SIZE = 6; +#else + #error "Unknown board" +#endif + + bool get(uint8_t *in, uint32_t size); + +}} // arduino::csn diff --git a/src/bpid/mac.cpp b/src/bpid/mac.cpp new file mode 100644 index 0000000..348326c --- /dev/null +++ b/src/bpid/mac.cpp @@ -0,0 +1,37 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#include "mac.h" + +namespace arduino { namespace mac { + + bool get(uint8_t *in, uint32_t size) { + if (size < IFACE_MAC_SIZE) { + return false; + } +#if defined(ARDUINO_SAMD_MKRWIFI1010) || \ + defined(ARDUINO_SAMD_NANO_33_IOT) + WiFi.macAddress(in); +#elif defined(ARDUINO_PORTENTA_H7_M7) || \ + defined(ARDUINO_NICLA_VISION) || \ + defined(ARDUINO_GIGA) + WiFi.macAddress(in); +#elif defined(ARDUINO_PORTENTA_C33) || \ + defined(ARDUINO_UNOR4_WIFI) + WiFi.macAddress(in); +#elif defined(ARDUINO_NANO_RP2040_CONNECT) + WiFi.macAddress(in); +#elif defined(ARDUINO_OPTA) + Ethernet.MACAddress(in); +#endif + return true; + } + +}} // arduino::mac diff --git a/src/bpid/mac.h b/src/bpid/mac.h new file mode 100644 index 0000000..169f54e --- /dev/null +++ b/src/bpid/mac.h @@ -0,0 +1,52 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#pragma once + +#if defined(ARDUINO_NANO_RP2040_CONNECT) || \ + defined(ARDUINO_SAMD_MKRWIFI1010) || \ + defined(ARDUINO_SAMD_NANO_33_IOT) || \ + defined(ARDUINO_PORTENTA_H7_M7) || \ + defined(ARDUINO_NICLA_VISION) || \ + defined(ARDUINO_GIGA) + #include + #define IFACE_MAC_ADDR_LENGTH WL_MAC_ADDR_LENGTH +#elif defined(ARDUINO_PORTENTA_C33) + #include + #define IFACE_MAC_ADDR_LENGTH WL_MAC_ADDR_LENGTH +#elif defined(ARDUINO_UNOR4_WIFI) + #include + #define IFACE_MAC_ADDR_LENGTH WL_MAC_ADDR_LENGTH +#elif defined(ARDUINO_OPTA) + #include + #define IFACE_MAC_ADDR_LENGTH 6 +#else + #error "Unknown board" +#endif + +namespace arduino { namespace mac { + /* + * This library contains the methods to get board mac address + * ARDUINO_NANO_RP2040_CONNECT: reversed + * ARDUINO_SAMD_MKRWIFI1010: reversed + * ARDUINO_SAMD_NANO_33_IOT: reversed + * ARDUINO_PORTENTA_H7_M7: WiFi.setTimeout(0);WiFi.begin("In33dm4c4ddr35", "In33dm4c4ddr35", ENC_TYPE_TKIP) reversed + * ARDUINO_NICLA_VISION: + * ARDUINO_GIGA: + * ARDUINO_PORTENTA_C33: Interface.begin() not reversed + * ARDUINO_UNOR4_WIFI: not reversed + * ARDUINO_OPTA: Ethernet.begin(NULL,0,0); reversed + */ + + constexpr int IFACE_MAC_SIZE = IFACE_MAC_ADDR_LENGTH; + + bool get(uint8_t *in, uint32_t size); + +}} // arduino::mac diff --git a/src/bpid/ucid.cpp b/src/bpid/ucid.cpp new file mode 100644 index 0000000..a39e5d1 --- /dev/null +++ b/src/bpid/ucid.cpp @@ -0,0 +1,48 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#include "ucid.h" + +namespace arduino { namespace ucid { + + bool get(uint8_t *in, uint32_t size) { + if (size < UC_UID_SIZE) { + return false; + } +#if defined(ARDUINO_SAMD_MKRWIFI1010) || \ + defined(ARDUINO_SAMD_NANO_33_IOT) + (*(uint32_t*)(&in[0x0])) = __builtin_bswap32(*(volatile uint32_t*)(0x0080A00C)); + (*(uint32_t*)(&in[0x4])) = __builtin_bswap32(*(volatile uint32_t*)(0x0080A040)); + (*(uint32_t*)(&in[0x8])) = __builtin_bswap32(*(volatile uint32_t*)(0x0080A044)); + (*(uint32_t*)(&in[0xC])) = __builtin_bswap32(*(volatile uint32_t*)(0x0080A048)); +#elif defined(ARDUINO_PORTENTA_H7_M7) || \ + defined(ARDUINO_NICLA_VISION) || \ + defined(ARDUINO_OPTA) || \ + defined(ARDUINO_GIGA) + (*(uint32_t*)(&in[0x0])) = __builtin_bswap32(HAL_GetUIDw0()); + (*(uint32_t*)(&in[0x4])) = __builtin_bswap32(HAL_GetUIDw1()); + (*(uint32_t*)(&in[0x8])) = __builtin_bswap32(HAL_GetUIDw2()); +#elif defined(ARDUINO_PORTENTA_C33) || \ + defined(ARDUINO_UNOR4_WIFI) + const bsp_unique_id_t* t = R_BSP_UniqueIdGet(); + (*(uint32_t*)(&in[0x0])) = __builtin_bswap32(t->unique_id_words[0x0]); + (*(uint32_t*)(&in[0x4])) = __builtin_bswap32(t->unique_id_words[0x1]); + (*(uint32_t*)(&in[0x8])) = __builtin_bswap32(t->unique_id_words[0x2]); + (*(uint32_t*)(&in[0xC])) = __builtin_bswap32(t->unique_id_words[0x3]); +#elif defined(ARDUINO_NANO_RP2040_CONNECT) + uint8_t id[UC_UID_SIZE]; + flash_get_unique_id(id); + (*(uint32_t*)(&in[0x0])) = __builtin_bswap32(*(uint32_t*)&id[0x0]); + (*(uint32_t*)(&in[0x4])) = __builtin_bswap32(*(uint32_t*)&id[0x4]); +#endif + return true; + } + +}} // arduino::ucid diff --git a/src/bpid/ucid.h b/src/bpid/ucid.h new file mode 100644 index 0000000..14a204f --- /dev/null +++ b/src/bpid/ucid.h @@ -0,0 +1,42 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#pragma once + +#include + +namespace arduino { namespace ucid { + /* + * This library contains the methods to get board microcontroller id + */ + +#if defined(ARDUINO_SAMD_MKRWIFI1010) || \ + defined(ARDUINO_SAMD_NANO_33_IOT) + constexpr int UC_UID_SIZE = 16; +#elif defined(ARDUINO_PORTENTA_H7_M7) || \ + defined(ARDUINO_NICLA_VISION) || \ + defined(ARDUINO_OPTA) || \ + defined(ARDUINO_GIGA) + constexpr int UC_UID_SIZE = 12; +#elif defined(ARDUINO_PORTENTA_C33) || \ + defined(ARDUINO_UNOR4_WIFI) + constexpr int UC_UID_SIZE = 16; +#elif defined(ARDUINO_NANO_RP2040_CONNECT) + extern "C" { + #include "hardware/flash.h" + } + constexpr int UC_UID_SIZE = FLASH_UNIQUE_ID_SIZE_BYTES; +#else + #error "Unknown board" +#endif + + bool get(uint8_t *in, uint32_t size); + +}} // arduino::ucid diff --git a/src/hex/hex.cpp b/src/hex/hex.cpp new file mode 100644 index 0000000..a5c33fa --- /dev/null +++ b/src/hex/hex.cpp @@ -0,0 +1,26 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#include "hex.h" + +namespace arduino { namespace hex { + + String encode(uint8_t* in, uint32_t size) { + String out; + out.reserve((size * 2) + 1); + + char *ptr = out.begin(); + for (uint32_t i = 0; i < size; i++) { + ptr += sprintf(ptr, "%02X", in[i]); + } + return String(out.c_str()); + } + +}} // arduino::hex diff --git a/src/hex/hex.h b/src/hex/hex.h new file mode 100644 index 0000000..d3f94c5 --- /dev/null +++ b/src/hex/hex.h @@ -0,0 +1,22 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#pragma once + +#include + +namespace arduino { namespace hex { + /* + * This library contains the methods to get board provisioning id + */ + + String encode(uint8_t* in, uint32_t size); + +}} // arduino::hex diff --git a/src/sha256/SHA256.cpp b/src/sha256/SHA256.cpp new file mode 100644 index 0000000..4251efd --- /dev/null +++ b/src/sha256/SHA256.cpp @@ -0,0 +1,23 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#include "SHA256.h" + +void SHA256::begin() { + sha256_init(&_ctx); +} + +void SHA256::update(uint8_t const * data, uint32_t const len) { + sha256_update(&_ctx, data, len); +} + +void SHA256::finalize(uint8_t * hash) { + sha256_final(&_ctx, hash); +} diff --git a/src/sha256/SHA256.h b/src/sha256/SHA256.h new file mode 100644 index 0000000..5b99e62 --- /dev/null +++ b/src/sha256/SHA256.h @@ -0,0 +1,45 @@ +/* + This file is part of the Arduino_CloudUtils library. + + Copyright (c) 2024 Arduino SA + + This Source Code Form is subject to the terms of the Mozilla Public + License, v. 2.0. If a copy of the MPL was not distributed with this + file, You can obtain one at http://mozilla.org/MPL/2.0/. +*/ + +#pragma once + +#include "sha256.h" + +class SHA256 { + +public: + + static constexpr uint32_t HASH_SIZE = SHA256_DIGEST_SIZE; + + void begin(); + void update(uint8_t const * data, uint32_t const len); + void finalize(uint8_t * hash); + +private: + + sha256_ctx _ctx; +}; + +namespace arduino { namespace sha256 { + + inline void begin(sha256_ctx * ctx) { + return sha256_init(ctx); + } + inline void update(sha256_ctx *ctx, const uint8_t *input, uint32_t length) { + return sha256_update(ctx, input, length); + } + inline void finalize(sha256_ctx * ctx, uint8_t digest[SHA256_DIGEST_SIZE]) { + return sha256_final(ctx, digest); + } + inline void oneshot(const unsigned char *input, unsigned int ilen, unsigned char *output) { + ::sha256(input, ilen, output); + } + +}} // arduino::sha256 diff --git a/src/sha256/sha256.c b/src/sha256/sha256.c new file mode 100644 index 0000000..0ed6805 --- /dev/null +++ b/src/sha256/sha256.c @@ -0,0 +1,347 @@ +/* + * FIPS 180-2 256 implementation based on code by Oliver Gay + * under a BSD-style license. http://ouah.org/ogay/sha2/ + * + * Copyright (C) 2005-2023 Olivier Gay + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if 0 +#define UNROLL_LOOPS /* Enable loops unrolling */ +#endif + +#include "sha256.h" + +#define SHFR(x, n) (x >> n) +#define ROTR(x, n) ((x >> n) | (x << ((sizeof (x) << 3) - n))) +#define ROTL(x, n) ((x << n) | (x >> ((sizeof (x) << 3) - n))) +#define CH(x, y, z) ((x & y) ^ (~x & z)) +#define MAJ(x, y, z) ((x & y) ^ (x & z) ^ (y & z)) + +#define SHA256_F1(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22)) +#define SHA256_F2(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25)) +#define SHA256_F3(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHFR(x, 3)) +#define SHA256_F4(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHFR(x, 10)) + +#define UNPACK32(x, str) \ +{ \ + *((str) + 3) = (uint8_t) ((x) ); \ + *((str) + 2) = (uint8_t) ((x) >> 8); \ + *((str) + 1) = (uint8_t) ((x) >> 16); \ + *((str) + 0) = (uint8_t) ((x) >> 24); \ +} + +#define PACK32(str, x) \ +{ \ + *(x) = ((uint32_t) *((str) + 3) ) \ + | ((uint32_t) *((str) + 2) << 8) \ + | ((uint32_t) *((str) + 1) << 16) \ + | ((uint32_t) *((str) + 0) << 24); \ +} + +#define UNPACK64(x, str) \ +{ \ + *((str) + 7) = (uint8_t) ((x) ); \ + *((str) + 6) = (uint8_t) ((x) >> 8); \ + *((str) + 5) = (uint8_t) ((x) >> 16); \ + *((str) + 4) = (uint8_t) ((x) >> 24); \ + *((str) + 3) = (uint8_t) ((x) >> 32); \ + *((str) + 2) = (uint8_t) ((x) >> 40); \ + *((str) + 1) = (uint8_t) ((x) >> 48); \ + *((str) + 0) = (uint8_t) ((x) >> 56); \ +} + +#define PACK64(str, x) \ +{ \ + *(x) = ((uint64_t) *((str) + 7) ) \ + | ((uint64_t) *((str) + 6) << 8) \ + | ((uint64_t) *((str) + 5) << 16) \ + | ((uint64_t) *((str) + 4) << 24) \ + | ((uint64_t) *((str) + 3) << 32) \ + | ((uint64_t) *((str) + 2) << 40) \ + | ((uint64_t) *((str) + 1) << 48) \ + | ((uint64_t) *((str) + 0) << 56); \ +} + +/* Macros used for loops unrolling */ + +#define SHA256_SCR(i) \ +{ \ + w[i] = SHA256_F4(w[i - 2]) + w[i - 7] \ + + SHA256_F3(w[i - 15]) + w[i - 16]; \ +} + +#define SHA256_EXP(a, b, c, d, e, f, g, h, j) \ +{ \ + t1 = wv[h] + SHA256_F2(wv[e]) + CH(wv[e], wv[f], wv[g]) \ + + sha256_k[j] + w[j]; \ + t2 = SHA256_F1(wv[a]) + MAJ(wv[a], wv[b], wv[c]); \ + wv[d] += t1; \ + wv[h] = t1 + t2; \ +} + +static const uint32_t sha256_h0[8] = + {0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, + 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19}; + +static const uint32_t sha256_k[64] = + {0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2}; + +/* SHA-2 internal function */ + +static void sha256_transf(sha256_ctx *ctx, const uint8_t *message, + uint64_t block_nb) +{ + uint32_t w[64]; + uint32_t wv[8]; + uint32_t t1, t2; + const uint8_t *sub_block; + uint64_t i; + +#ifndef UNROLL_LOOPS + int j; +#endif + + for (i = 0; i < block_nb; i++) { + sub_block = message + (i << 6); + +#ifndef UNROLL_LOOPS + for (j = 0; j < 16; j++) { + PACK32(&sub_block[j << 2], &w[j]); + } + + for (j = 16; j < 64; j++) { + SHA256_SCR(j); + } + + for (j = 0; j < 8; j++) { + wv[j] = ctx->h[j]; + } + + for (j = 0; j < 64; j++) { + t1 = wv[7] + SHA256_F2(wv[4]) + CH(wv[4], wv[5], wv[6]) + + sha256_k[j] + w[j]; + t2 = SHA256_F1(wv[0]) + MAJ(wv[0], wv[1], wv[2]); + wv[7] = wv[6]; + wv[6] = wv[5]; + wv[5] = wv[4]; + wv[4] = wv[3] + t1; + wv[3] = wv[2]; + wv[2] = wv[1]; + wv[1] = wv[0]; + wv[0] = t1 + t2; + } + + for (j = 0; j < 8; j++) { + ctx->h[j] += wv[j]; + } +#else + PACK32(&sub_block[ 0], &w[ 0]); PACK32(&sub_block[ 4], &w[ 1]); + PACK32(&sub_block[ 8], &w[ 2]); PACK32(&sub_block[12], &w[ 3]); + PACK32(&sub_block[16], &w[ 4]); PACK32(&sub_block[20], &w[ 5]); + PACK32(&sub_block[24], &w[ 6]); PACK32(&sub_block[28], &w[ 7]); + PACK32(&sub_block[32], &w[ 8]); PACK32(&sub_block[36], &w[ 9]); + PACK32(&sub_block[40], &w[10]); PACK32(&sub_block[44], &w[11]); + PACK32(&sub_block[48], &w[12]); PACK32(&sub_block[52], &w[13]); + PACK32(&sub_block[56], &w[14]); PACK32(&sub_block[60], &w[15]); + + SHA256_SCR(16); SHA256_SCR(17); SHA256_SCR(18); SHA256_SCR(19); + SHA256_SCR(20); SHA256_SCR(21); SHA256_SCR(22); SHA256_SCR(23); + SHA256_SCR(24); SHA256_SCR(25); SHA256_SCR(26); SHA256_SCR(27); + SHA256_SCR(28); SHA256_SCR(29); SHA256_SCR(30); SHA256_SCR(31); + SHA256_SCR(32); SHA256_SCR(33); SHA256_SCR(34); SHA256_SCR(35); + SHA256_SCR(36); SHA256_SCR(37); SHA256_SCR(38); SHA256_SCR(39); + SHA256_SCR(40); SHA256_SCR(41); SHA256_SCR(42); SHA256_SCR(43); + SHA256_SCR(44); SHA256_SCR(45); SHA256_SCR(46); SHA256_SCR(47); + SHA256_SCR(48); SHA256_SCR(49); SHA256_SCR(50); SHA256_SCR(51); + SHA256_SCR(52); SHA256_SCR(53); SHA256_SCR(54); SHA256_SCR(55); + SHA256_SCR(56); SHA256_SCR(57); SHA256_SCR(58); SHA256_SCR(59); + SHA256_SCR(60); SHA256_SCR(61); SHA256_SCR(62); SHA256_SCR(63); + + wv[0] = ctx->h[0]; wv[1] = ctx->h[1]; + wv[2] = ctx->h[2]; wv[3] = ctx->h[3]; + wv[4] = ctx->h[4]; wv[5] = ctx->h[5]; + wv[6] = ctx->h[6]; wv[7] = ctx->h[7]; + + SHA256_EXP(0,1,2,3,4,5,6,7, 0); SHA256_EXP(7,0,1,2,3,4,5,6, 1); + SHA256_EXP(6,7,0,1,2,3,4,5, 2); SHA256_EXP(5,6,7,0,1,2,3,4, 3); + SHA256_EXP(4,5,6,7,0,1,2,3, 4); SHA256_EXP(3,4,5,6,7,0,1,2, 5); + SHA256_EXP(2,3,4,5,6,7,0,1, 6); SHA256_EXP(1,2,3,4,5,6,7,0, 7); + SHA256_EXP(0,1,2,3,4,5,6,7, 8); SHA256_EXP(7,0,1,2,3,4,5,6, 9); + SHA256_EXP(6,7,0,1,2,3,4,5,10); SHA256_EXP(5,6,7,0,1,2,3,4,11); + SHA256_EXP(4,5,6,7,0,1,2,3,12); SHA256_EXP(3,4,5,6,7,0,1,2,13); + SHA256_EXP(2,3,4,5,6,7,0,1,14); SHA256_EXP(1,2,3,4,5,6,7,0,15); + SHA256_EXP(0,1,2,3,4,5,6,7,16); SHA256_EXP(7,0,1,2,3,4,5,6,17); + SHA256_EXP(6,7,0,1,2,3,4,5,18); SHA256_EXP(5,6,7,0,1,2,3,4,19); + SHA256_EXP(4,5,6,7,0,1,2,3,20); SHA256_EXP(3,4,5,6,7,0,1,2,21); + SHA256_EXP(2,3,4,5,6,7,0,1,22); SHA256_EXP(1,2,3,4,5,6,7,0,23); + SHA256_EXP(0,1,2,3,4,5,6,7,24); SHA256_EXP(7,0,1,2,3,4,5,6,25); + SHA256_EXP(6,7,0,1,2,3,4,5,26); SHA256_EXP(5,6,7,0,1,2,3,4,27); + SHA256_EXP(4,5,6,7,0,1,2,3,28); SHA256_EXP(3,4,5,6,7,0,1,2,29); + SHA256_EXP(2,3,4,5,6,7,0,1,30); SHA256_EXP(1,2,3,4,5,6,7,0,31); + SHA256_EXP(0,1,2,3,4,5,6,7,32); SHA256_EXP(7,0,1,2,3,4,5,6,33); + SHA256_EXP(6,7,0,1,2,3,4,5,34); SHA256_EXP(5,6,7,0,1,2,3,4,35); + SHA256_EXP(4,5,6,7,0,1,2,3,36); SHA256_EXP(3,4,5,6,7,0,1,2,37); + SHA256_EXP(2,3,4,5,6,7,0,1,38); SHA256_EXP(1,2,3,4,5,6,7,0,39); + SHA256_EXP(0,1,2,3,4,5,6,7,40); SHA256_EXP(7,0,1,2,3,4,5,6,41); + SHA256_EXP(6,7,0,1,2,3,4,5,42); SHA256_EXP(5,6,7,0,1,2,3,4,43); + SHA256_EXP(4,5,6,7,0,1,2,3,44); SHA256_EXP(3,4,5,6,7,0,1,2,45); + SHA256_EXP(2,3,4,5,6,7,0,1,46); SHA256_EXP(1,2,3,4,5,6,7,0,47); + SHA256_EXP(0,1,2,3,4,5,6,7,48); SHA256_EXP(7,0,1,2,3,4,5,6,49); + SHA256_EXP(6,7,0,1,2,3,4,5,50); SHA256_EXP(5,6,7,0,1,2,3,4,51); + SHA256_EXP(4,5,6,7,0,1,2,3,52); SHA256_EXP(3,4,5,6,7,0,1,2,53); + SHA256_EXP(2,3,4,5,6,7,0,1,54); SHA256_EXP(1,2,3,4,5,6,7,0,55); + SHA256_EXP(0,1,2,3,4,5,6,7,56); SHA256_EXP(7,0,1,2,3,4,5,6,57); + SHA256_EXP(6,7,0,1,2,3,4,5,58); SHA256_EXP(5,6,7,0,1,2,3,4,59); + SHA256_EXP(4,5,6,7,0,1,2,3,60); SHA256_EXP(3,4,5,6,7,0,1,2,61); + SHA256_EXP(2,3,4,5,6,7,0,1,62); SHA256_EXP(1,2,3,4,5,6,7,0,63); + + ctx->h[0] += wv[0]; ctx->h[1] += wv[1]; + ctx->h[2] += wv[2]; ctx->h[3] += wv[3]; + ctx->h[4] += wv[4]; ctx->h[5] += wv[5]; + ctx->h[6] += wv[6]; ctx->h[7] += wv[7]; +#endif /* !UNROLL_LOOPS */ + } +} + +/* SHA-256 functions */ + +void sha256(const uint8_t *message, uint64_t len, uint8_t *digest) +{ + sha256_ctx ctx; + + sha256_init(&ctx); + sha256_update(&ctx, message, len); + sha256_final(&ctx, digest); +} + +void sha256_init(sha256_ctx *ctx) +{ +#ifndef UNROLL_LOOPS + int i; + for (i = 0; i < 8; i++) { + ctx->h[i] = sha256_h0[i]; + } +#else + ctx->h[0] = sha256_h0[0]; ctx->h[1] = sha256_h0[1]; + ctx->h[2] = sha256_h0[2]; ctx->h[3] = sha256_h0[3]; + ctx->h[4] = sha256_h0[4]; ctx->h[5] = sha256_h0[5]; + ctx->h[6] = sha256_h0[6]; ctx->h[7] = sha256_h0[7]; +#endif /* !UNROLL_LOOPS */ + + ctx->len = 0; + ctx->tot_len = 0; +} + +void sha256_update(sha256_ctx *ctx, const uint8_t *message, uint64_t len) +{ + uint64_t block_nb; + uint64_t new_len, rem_len, tmp_len; + const uint8_t *shifted_message; + + tmp_len = SHA256_BLOCK_SIZE - ctx->len; + rem_len = len < tmp_len ? len : tmp_len; + + memcpy(&ctx->block[ctx->len], message, rem_len); + + if (ctx->len + len < SHA256_BLOCK_SIZE) { + ctx->len += len; + return; + } + + new_len = len - rem_len; + block_nb = new_len / SHA256_BLOCK_SIZE; + + shifted_message = message + rem_len; + + sha256_transf(ctx, ctx->block, 1); + sha256_transf(ctx, shifted_message, block_nb); + + rem_len = new_len % SHA256_BLOCK_SIZE; + + memcpy(ctx->block, &shifted_message[block_nb << 6], rem_len); + + ctx->len = rem_len; + ctx->tot_len += (block_nb + 1) << 6; +} + +void sha256_final(sha256_ctx *ctx, uint8_t *digest) +{ + uint64_t block_nb; + uint64_t pm_len; + uint64_t len_b; + uint64_t tot_len; + +#ifndef UNROLL_LOOPS + int i; +#endif + + block_nb = (1 + ((SHA256_BLOCK_SIZE - 9) + < (ctx->len % SHA256_BLOCK_SIZE))); + + tot_len = ctx->tot_len + ctx->len; + ctx->tot_len = tot_len; + + len_b = tot_len << 3; + pm_len = block_nb << 6; + + memset(ctx->block + ctx->len, 0, pm_len - ctx->len); + ctx->block[ctx->len] = 0x80; + UNPACK64(len_b, ctx->block + pm_len - 8); + + sha256_transf(ctx, ctx->block, block_nb); + +#ifndef UNROLL_LOOPS + for (i = 0 ; i < 8; i++) { + UNPACK32(ctx->h[i], &digest[i << 2]); + } +#else + UNPACK32(ctx->h[0], &digest[ 0]); + UNPACK32(ctx->h[1], &digest[ 4]); + UNPACK32(ctx->h[2], &digest[ 8]); + UNPACK32(ctx->h[3], &digest[12]); + UNPACK32(ctx->h[4], &digest[16]); + UNPACK32(ctx->h[5], &digest[20]); + UNPACK32(ctx->h[6], &digest[24]); + UNPACK32(ctx->h[7], &digest[28]); +#endif /* !UNROLL_LOOPS */ +} diff --git a/src/sha256/sha256.h b/src/sha256/sha256.h new file mode 100644 index 0000000..907e383 --- /dev/null +++ b/src/sha256/sha256.h @@ -0,0 +1,62 @@ +/* + * FIPS 180-2 256 implementation based on code by Oliver Gay + * under a BSD-style license. http://ouah.org/ogay/sha2/ + * + * Copyright (C) 2005-2023 Olivier Gay + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef SHA256_H +#define SHA256_H + +#include +#include + +#define SHA256_DIGEST_SIZE ( 256 / 8) +#define SHA256_BLOCK_SIZE ( 512 / 8) + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + uint64_t tot_len; + uint64_t len; + uint8_t block[2 * SHA256_BLOCK_SIZE]; + uint32_t h[8]; +} sha256_ctx; + +void sha256_init(sha256_ctx * ctx); +void sha256_update(sha256_ctx *ctx, const uint8_t *message, uint64_t len); +void sha256_final(sha256_ctx *ctx, uint8_t *digest); +void sha256(const uint8_t *message, uint64_t len, uint8_t *digest); + +#ifdef __cplusplus +} +#endif + +#endif /* !SHA256_H */