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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /third_party/picosha2 | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/picosha2')
-rw-r--r-- | third_party/picosha2/LICENSE | 21 | ||||
-rw-r--r-- | third_party/picosha2/README.md | 138 | ||||
-rw-r--r-- | third_party/picosha2/moz.yaml | 25 | ||||
-rw-r--r-- | third_party/picosha2/picosha2.h | 377 |
4 files changed, 561 insertions, 0 deletions
diff --git a/third_party/picosha2/LICENSE b/third_party/picosha2/LICENSE new file mode 100644 index 0000000000..b6658bbc98 --- /dev/null +++ b/third_party/picosha2/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2017 okdshin + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/third_party/picosha2/README.md b/third_party/picosha2/README.md new file mode 100644 index 0000000000..2671f7e413 --- /dev/null +++ b/third_party/picosha2/README.md @@ -0,0 +1,138 @@ +# PicoSHA2 - a C++ SHA256 hash generator + +Copyright © 2017 okdshin + +## Introduction + +PicoSHA2 is a tiny SHA256 hash generator for C++ with following properties: + +- header-file only +- no external dependencies (only uses standard C++ libraries) +- STL-friendly +- licensed under MIT License + +## Generating SHA256 hash and hash hex string + +```c++ +// any STL sequantial container (vector, list, dequeue...) +std::string src_str = "The quick brown fox jumps over the lazy dog"; + +std::vector<unsigned char> hash(picosha2::k_digest_size); +picosha2::hash256(src_str.begin(), src_str.end(), hash.begin(), hash.end()); + +std::string hex_str = picosha2::bytes_to_hex_string(hash.begin(), hash.end()); +``` + +## Generating SHA256 hash and hash hex string from byte stream + +```c++ +picosha2::hash256_one_by_one hasher; +... +hasher.process(block.begin(), block.end()); +... +hasher.finish(); + +std::vector<unsigned char> hash(picosha2::k_digest_size); +hasher.get_hash_bytes(hash.begin(), hash.end()); + +std::string hex_str = picosha2::get_hash_hex_string(hasher); +``` + +The file `example/interactive_hasher.cpp` has more detailed information. + +## Generating SHA256 hash from a binary file + +```c++ +std::ifstream f("file.txt", std::ios::binary); +std::vector<unsigned char> s(picosha2::k_digest_size); +picosha2::hash256(f, s.begin(), s.end()); +``` + +This `hash256` may use less memory than reading whole of the file. + +## Generating SHA256 hash hex string from std::string + +```c++ +std::string src_str = "The quick brown fox jumps over the lazy dog"; +std::string hash_hex_str; +picosha2::hash256_hex_string(src_str, hash_hex_str); +std::cout << hash_hex_str << std::endl; +//this output is "d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592" +``` + +```c++ +std::string src_str = "The quick brown fox jumps over the lazy dog"; +std::string hash_hex_str = picosha2::hash256_hex_string(src_str); +std::cout << hash_hex_str << std::endl; +//this output is "d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592" +``` + +```c++ +std::string src_str = "The quick brown fox jumps over the lazy dog.";//add '.' +std::string hash_hex_str = picosha2::hash256_hex_string(src_str.begin(), src_str.end()); +std::cout << hash_hex_str << std::endl; +//this output is "ef537f25c895bfa782526529a9b63d97aa631564d5d789c2b765448c8635fb6c" +``` + +## Generating SHA256 hash hex string from byte sequence + +```c++ +std::vector<unsigned char> src_vect(...); +std::string hash_hex_str; +picosha2::hash256_hex_string(src_vect, hash_hex_str); +``` + +```c++ +std::vector<unsigned char> src_vect(...); +std::string hash_hex_str = picosha2::hash256_hex_string(src_vect); +``` + +```c++ +unsigned char src_c_array[picosha2::k_digest_size] = {...}; +std::string hash_hex_str; +picosha2::hash256_hex_string(src_c_array, src_c_array+picosha2::k_digest_size, hash_hex_str); +``` + +```c++ +unsigned char src_c_array[picosha2::k_digest_size] = {...}; +std::string hash_hex_str = picosha2::hash256_hex_string(src_c_array, src_c_array+picosha2::k_digest_size); +``` + + +## Generating SHA256 hash byte sequence from STL sequential container + +```c++ +//any STL sequantial container (vector, list, dequeue...) +std::string src_str = "The quick brown fox jumps over the lazy dog"; + +//any STL sequantial containers (vector, list, dequeue...) +std::vector<unsigned char> hash(picosha2::k_digest_size); + +// in: container, out: container +picosha2::hash256(src_str, hash); +``` + +```c++ +//any STL sequantial container (vector, list, dequeue...) +std::string src_str = "The quick brown fox jumps over the lazy dog"; + +//any STL sequantial containers (vector, list, dequeue...) +std::vector<unsigned char> hash(picosha2::k_digest_size); + +// in: iterator pair, out: contaner +picosha2::hash256(src_str.begin(), src_str.end(), hash); +``` + +```c++ +std::string src_str = "The quick brown fox jumps over the lazy dog"; +unsigned char hash_byte_c_array[picosha2::k_digest_size]; +// in: container, out: iterator(pointer) pair +picosha2::hash256(src_str, hash_byte_c_array, hash_byte_c_array+picosha2::k_digest_size); +``` + +```c++ +std::string src_str = "The quick brown fox jumps over the lazy dog"; +std::vector<unsigned char> hash(picosha2::k_digest_size); +// in: iterator pair, out: iterator pair +picosha2::hash256(src_str.begin(), src_str.end(), hash.begin(), hash.end()); +``` diff --git a/third_party/picosha2/moz.yaml b/third_party/picosha2/moz.yaml new file mode 100644 index 0000000000..692a3f92cf --- /dev/null +++ b/third_party/picosha2/moz.yaml @@ -0,0 +1,25 @@ +schema: 1 + +bugzilla: + product: Core + component: "General" + +origin: + name: picosha2 + description: tiny header-only SHA256 hash generator for C++ + url: https://github.com/okdshin/PicoSHA2 + + release: 27fcf6979298949e8a462e16d09a0351c18fcaf2 (2022-08-08T10:31:07Z). + revision: 27fcf6979298949e8a462e16d09a0351c18fcaf2 + + license: MIT + license-file: LICENSE + +vendoring: + url: https://github.com/okdshin/PicoSHA2 + source-hosting: github + vendor-directory: third_party/picosha2 + exclude: + - example/* + - test/* + - CMakeLists.txt diff --git a/third_party/picosha2/picosha2.h b/third_party/picosha2/picosha2.h new file mode 100644 index 0000000000..a921736b54 --- /dev/null +++ b/third_party/picosha2/picosha2.h @@ -0,0 +1,377 @@ +/* +The MIT License (MIT) + +Copyright (C) 2017 okdshin + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ +#ifndef PICOSHA2_H +#define PICOSHA2_H +// picosha2:20140213 + +#ifndef PICOSHA2_BUFFER_SIZE_FOR_INPUT_ITERATOR +#define PICOSHA2_BUFFER_SIZE_FOR_INPUT_ITERATOR \ + 1048576 //=1024*1024: default is 1MB memory +#endif + +#include <algorithm> +#include <cassert> +#include <iterator> +#include <sstream> +#include <vector> +#include <fstream> +namespace picosha2 { +typedef unsigned long word_t; +typedef unsigned char byte_t; + +static const size_t k_digest_size = 32; + +namespace detail { +inline byte_t mask_8bit(byte_t x) { return x & 0xff; } + +inline word_t mask_32bit(word_t x) { return x & 0xffffffff; } + +const word_t add_constant[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}; + +const word_t initial_message_digest[8] = {0x6a09e667, 0xbb67ae85, 0x3c6ef372, + 0xa54ff53a, 0x510e527f, 0x9b05688c, + 0x1f83d9ab, 0x5be0cd19}; + +inline word_t ch(word_t x, word_t y, word_t z) { return (x & y) ^ ((~x) & z); } + +inline word_t maj(word_t x, word_t y, word_t z) { + return (x & y) ^ (x & z) ^ (y & z); +} + +inline word_t rotr(word_t x, std::size_t n) { + assert(n < 32); + return mask_32bit((x >> n) | (x << (32 - n))); +} + +inline word_t bsig0(word_t x) { return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22); } + +inline word_t bsig1(word_t x) { return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25); } + +inline word_t shr(word_t x, std::size_t n) { + assert(n < 32); + return x >> n; +} + +inline word_t ssig0(word_t x) { return rotr(x, 7) ^ rotr(x, 18) ^ shr(x, 3); } + +inline word_t ssig1(word_t x) { return rotr(x, 17) ^ rotr(x, 19) ^ shr(x, 10); } + +template <typename RaIter1, typename RaIter2> +void hash256_block(RaIter1 message_digest, RaIter2 first, RaIter2 last) { + assert(first + 64 == last); + static_cast<void>(last); // for avoiding unused-variable warning + word_t w[64]; + std::fill(w, w + 64, word_t(0)); + for (std::size_t i = 0; i < 16; ++i) { + w[i] = (static_cast<word_t>(mask_8bit(*(first + i * 4))) << 24) | + (static_cast<word_t>(mask_8bit(*(first + i * 4 + 1))) << 16) | + (static_cast<word_t>(mask_8bit(*(first + i * 4 + 2))) << 8) | + (static_cast<word_t>(mask_8bit(*(first + i * 4 + 3)))); + } + for (std::size_t i = 16; i < 64; ++i) { + w[i] = mask_32bit(ssig1(w[i - 2]) + w[i - 7] + ssig0(w[i - 15]) + + w[i - 16]); + } + + word_t a = *message_digest; + word_t b = *(message_digest + 1); + word_t c = *(message_digest + 2); + word_t d = *(message_digest + 3); + word_t e = *(message_digest + 4); + word_t f = *(message_digest + 5); + word_t g = *(message_digest + 6); + word_t h = *(message_digest + 7); + + for (std::size_t i = 0; i < 64; ++i) { + word_t temp1 = h + bsig1(e) + ch(e, f, g) + add_constant[i] + w[i]; + word_t temp2 = bsig0(a) + maj(a, b, c); + h = g; + g = f; + f = e; + e = mask_32bit(d + temp1); + d = c; + c = b; + b = a; + a = mask_32bit(temp1 + temp2); + } + *message_digest += a; + *(message_digest + 1) += b; + *(message_digest + 2) += c; + *(message_digest + 3) += d; + *(message_digest + 4) += e; + *(message_digest + 5) += f; + *(message_digest + 6) += g; + *(message_digest + 7) += h; + for (std::size_t i = 0; i < 8; ++i) { + *(message_digest + i) = mask_32bit(*(message_digest + i)); + } +} + +} // namespace detail + +template <typename InIter> +void output_hex(InIter first, InIter last, std::ostream& os) { + os.setf(std::ios::hex, std::ios::basefield); + while (first != last) { + os.width(2); + os.fill('0'); + os << static_cast<unsigned int>(*first); + ++first; + } + os.setf(std::ios::dec, std::ios::basefield); +} + +template <typename InIter> +void bytes_to_hex_string(InIter first, InIter last, std::string& hex_str) { + std::ostringstream oss; + output_hex(first, last, oss); + hex_str.assign(oss.str()); +} + +template <typename InContainer> +void bytes_to_hex_string(const InContainer& bytes, std::string& hex_str) { + bytes_to_hex_string(bytes.begin(), bytes.end(), hex_str); +} + +template <typename InIter> +std::string bytes_to_hex_string(InIter first, InIter last) { + std::string hex_str; + bytes_to_hex_string(first, last, hex_str); + return hex_str; +} + +template <typename InContainer> +std::string bytes_to_hex_string(const InContainer& bytes) { + std::string hex_str; + bytes_to_hex_string(bytes, hex_str); + return hex_str; +} + +class hash256_one_by_one { + public: + hash256_one_by_one() { init(); } + + void init() { + buffer_.clear(); + std::fill(data_length_digits_, data_length_digits_ + 4, word_t(0)); + std::copy(detail::initial_message_digest, + detail::initial_message_digest + 8, h_); + } + + template <typename RaIter> + void process(RaIter first, RaIter last) { + add_to_data_length(static_cast<word_t>(std::distance(first, last))); + std::copy(first, last, std::back_inserter(buffer_)); + std::size_t i = 0; + for (; i + 64 <= buffer_.size(); i += 64) { + detail::hash256_block(h_, buffer_.begin() + i, + buffer_.begin() + i + 64); + } + buffer_.erase(buffer_.begin(), buffer_.begin() + i); + } + + void finish() { + byte_t temp[64]; + std::fill(temp, temp + 64, byte_t(0)); + std::size_t remains = buffer_.size(); + std::copy(buffer_.begin(), buffer_.end(), temp); + temp[remains] = 0x80; + + if (remains > 55) { + std::fill(temp + remains + 1, temp + 64, byte_t(0)); + detail::hash256_block(h_, temp, temp + 64); + std::fill(temp, temp + 64 - 4, byte_t(0)); + } else { + std::fill(temp + remains + 1, temp + 64 - 4, byte_t(0)); + } + + write_data_bit_length(&(temp[56])); + detail::hash256_block(h_, temp, temp + 64); + } + + template <typename OutIter> + void get_hash_bytes(OutIter first, OutIter last) const { + for (const word_t* iter = h_; iter != h_ + 8; ++iter) { + for (std::size_t i = 0; i < 4 && first != last; ++i) { + *(first++) = detail::mask_8bit( + static_cast<byte_t>((*iter >> (24 - 8 * i)))); + } + } + } + + private: + void add_to_data_length(word_t n) { + word_t carry = 0; + data_length_digits_[0] += n; + for (std::size_t i = 0; i < 4; ++i) { + data_length_digits_[i] += carry; + if (data_length_digits_[i] >= 65536u) { + carry = data_length_digits_[i] >> 16; + data_length_digits_[i] &= 65535u; + } else { + break; + } + } + } + void write_data_bit_length(byte_t* begin) { + word_t data_bit_length_digits[4]; + std::copy(data_length_digits_, data_length_digits_ + 4, + data_bit_length_digits); + + // convert byte length to bit length (multiply 8 or shift 3 times left) + word_t carry = 0; + for (std::size_t i = 0; i < 4; ++i) { + word_t before_val = data_bit_length_digits[i]; + data_bit_length_digits[i] <<= 3; + data_bit_length_digits[i] |= carry; + data_bit_length_digits[i] &= 65535u; + carry = (before_val >> (16 - 3)) & 65535u; + } + + // write data_bit_length + for (int i = 3; i >= 0; --i) { + (*begin++) = static_cast<byte_t>(data_bit_length_digits[i] >> 8); + (*begin++) = static_cast<byte_t>(data_bit_length_digits[i]); + } + } + std::vector<byte_t> buffer_; + word_t data_length_digits_[4]; // as 64bit integer (16bit x 4 integer) + word_t h_[8]; +}; + +inline void get_hash_hex_string(const hash256_one_by_one& hasher, + std::string& hex_str) { + byte_t hash[k_digest_size]; + hasher.get_hash_bytes(hash, hash + k_digest_size); + return bytes_to_hex_string(hash, hash + k_digest_size, hex_str); +} + +inline std::string get_hash_hex_string(const hash256_one_by_one& hasher) { + std::string hex_str; + get_hash_hex_string(hasher, hex_str); + return hex_str; +} + +namespace impl { +template <typename RaIter, typename OutIter> +void hash256_impl(RaIter first, RaIter last, OutIter first2, OutIter last2, int, + std::random_access_iterator_tag) { + hash256_one_by_one hasher; + // hasher.init(); + hasher.process(first, last); + hasher.finish(); + hasher.get_hash_bytes(first2, last2); +} + +template <typename InputIter, typename OutIter> +void hash256_impl(InputIter first, InputIter last, OutIter first2, + OutIter last2, int buffer_size, std::input_iterator_tag) { + std::vector<byte_t> buffer(buffer_size); + hash256_one_by_one hasher; + // hasher.init(); + while (first != last) { + int size = buffer_size; + for (int i = 0; i != buffer_size; ++i, ++first) { + if (first == last) { + size = i; + break; + } + buffer[i] = *first; + } + hasher.process(buffer.begin(), buffer.begin() + size); + } + hasher.finish(); + hasher.get_hash_bytes(first2, last2); +} +} + +template <typename InIter, typename OutIter> +void hash256(InIter first, InIter last, OutIter first2, OutIter last2, + int buffer_size = PICOSHA2_BUFFER_SIZE_FOR_INPUT_ITERATOR) { + picosha2::impl::hash256_impl( + first, last, first2, last2, buffer_size, + typename std::iterator_traits<InIter>::iterator_category()); +} + +template <typename InIter, typename OutContainer> +void hash256(InIter first, InIter last, OutContainer& dst) { + hash256(first, last, dst.begin(), dst.end()); +} + +template <typename InContainer, typename OutIter> +void hash256(const InContainer& src, OutIter first, OutIter last) { + hash256(src.begin(), src.end(), first, last); +} + +template <typename InContainer, typename OutContainer> +void hash256(const InContainer& src, OutContainer& dst) { + hash256(src.begin(), src.end(), dst.begin(), dst.end()); +} + +template <typename InIter> +void hash256_hex_string(InIter first, InIter last, std::string& hex_str) { + byte_t hashed[k_digest_size]; + hash256(first, last, hashed, hashed + k_digest_size); + std::ostringstream oss; + output_hex(hashed, hashed + k_digest_size, oss); + hex_str.assign(oss.str()); +} + +template <typename InIter> +std::string hash256_hex_string(InIter first, InIter last) { + std::string hex_str; + hash256_hex_string(first, last, hex_str); + return hex_str; +} + +inline void hash256_hex_string(const std::string& src, std::string& hex_str) { + hash256_hex_string(src.begin(), src.end(), hex_str); +} + +template <typename InContainer> +void hash256_hex_string(const InContainer& src, std::string& hex_str) { + hash256_hex_string(src.begin(), src.end(), hex_str); +} + +template <typename InContainer> +std::string hash256_hex_string(const InContainer& src) { + return hash256_hex_string(src.begin(), src.end()); +} +template<typename OutIter>void hash256(std::ifstream& f, OutIter first, OutIter last){ + hash256(std::istreambuf_iterator<char>(f), std::istreambuf_iterator<char>(), first,last); + +} +}// namespace picosha2 +#endif // PICOSHA2_H |