diff options
Diffstat (limited to 'vendor/github.com/byzantine-lab/mcl/include/cybozu/sha2.hpp')
-rw-r--r-- | vendor/github.com/byzantine-lab/mcl/include/cybozu/sha2.hpp | 467 |
1 files changed, 0 insertions, 467 deletions
diff --git a/vendor/github.com/byzantine-lab/mcl/include/cybozu/sha2.hpp b/vendor/github.com/byzantine-lab/mcl/include/cybozu/sha2.hpp deleted file mode 100644 index 1830936f0..000000000 --- a/vendor/github.com/byzantine-lab/mcl/include/cybozu/sha2.hpp +++ /dev/null @@ -1,467 +0,0 @@ -#pragma once -/** - @file - @brief SHA-256, SHA-512 class - @author MITSUNARI Shigeo(@herumi) - @license modified new BSD license - http://opensource.org/licenses/BSD-3-Clause -*/ -#if !defined(CYBOZU_DONT_USE_OPENSSL) && !defined(MCL_DONT_USE_OPENSSL) - #define CYBOZU_USE_OPENSSL_SHA -#endif - -#ifndef CYBOZU_DONT_USE_STRING -#include <string> -#endif - -#ifdef CYBOZU_USE_OPENSSL_SHA -#ifdef __APPLE__ - #pragma GCC diagnostic push - #pragma GCC diagnostic ignored "-Wdeprecated-declarations" -#endif -#include <openssl/sha.h> -#ifdef _MSC_VER - #include <cybozu/link_libeay32.hpp> -#endif - -#ifdef __APPLE__ - #pragma GCC diagnostic pop -#endif - -namespace cybozu { - -class Sha256 { - SHA256_CTX ctx_; -public: - Sha256() - { - clear(); - } - void clear() - { - SHA256_Init(&ctx_); - } - void update(const void *buf, size_t bufSize) - { - SHA256_Update(&ctx_, buf, bufSize); - } - size_t digest(void *md, size_t mdSize, const void *buf, size_t bufSize) - { - if (mdSize < SHA256_DIGEST_LENGTH) return 0; - update(buf, bufSize); - SHA256_Final(reinterpret_cast<uint8_t*>(md), &ctx_); - return SHA256_DIGEST_LENGTH; - } -#ifndef CYBOZU_DONT_USE_STRING - void update(const std::string& buf) - { - update(buf.c_str(), buf.size()); - } - std::string digest(const std::string& buf) - { - return digest(buf.c_str(), buf.size()); - } - std::string digest(const void *buf, size_t bufSize) - { - std::string md(SHA256_DIGEST_LENGTH, 0); - digest(&md[0], md.size(), buf, bufSize); - return md; - } -#endif -}; - -class Sha512 { - SHA512_CTX ctx_; -public: - Sha512() - { - clear(); - } - void clear() - { - SHA512_Init(&ctx_); - } - void update(const void *buf, size_t bufSize) - { - SHA512_Update(&ctx_, buf, bufSize); - } - size_t digest(void *md, size_t mdSize, const void *buf, size_t bufSize) - { - if (mdSize < SHA512_DIGEST_LENGTH) return 0; - update(buf, bufSize); - SHA512_Final(reinterpret_cast<uint8_t*>(md), &ctx_); - return SHA512_DIGEST_LENGTH; - } -#ifndef CYBOZU_DONT_USE_STRING - void update(const std::string& buf) - { - update(buf.c_str(), buf.size()); - } - std::string digest(const std::string& buf) - { - return digest(buf.c_str(), buf.size()); - } - std::string digest(const void *buf, size_t bufSize) - { - std::string md(SHA512_DIGEST_LENGTH, 0); - digest(&md[0], md.size(), buf, bufSize); - return md; - } -#endif -}; - -} // cybozu - -#else - -#include <cybozu/endian.hpp> -#include <memory.h> -#include <assert.h> - -namespace cybozu { - -namespace sha2_local { - -template<class T> -T min_(T x, T y) { return x < y ? x : y;; } - -inline uint32_t rot32(uint32_t x, int s) -{ -#ifdef _MSC_VER - return _rotr(x, s); -#else - return (x >> s) | (x << (32 - s)); -#endif -} - -inline uint64_t rot64(uint64_t x, int s) -{ -#ifdef _MSC_VER - return _rotr64(x, s); -#else - return (x >> s) | (x << (64 - s)); -#endif -} - -template<class T> -struct Common { - void term(const char *buf, size_t bufSize) - { - assert(bufSize < T::blockSize_); - T& self = static_cast<T&>(*this); - const uint64_t totalSize = self.totalSize_ + bufSize; - - uint8_t last[T::blockSize_]; - memcpy(last, buf, bufSize); - last[bufSize] = uint8_t(0x80); /* top bit = 1 */ - memset(&last[bufSize + 1], 0, T::blockSize_ - bufSize - 1); - if (bufSize >= T::blockSize_ - T::msgLenByte_) { - self.round(reinterpret_cast<const char*>(last)); - memset(last, 0, sizeof(last)); // clear stack - } - cybozu::Set64bitAsBE(&last[T::blockSize_ - 8], totalSize * 8); - self.round(reinterpret_cast<const char*>(last)); - } - void inner_update(const char *buf, size_t bufSize) - { - T& self = static_cast<T&>(*this); - if (bufSize == 0) return; - if (self.roundBufSize_ > 0) { - size_t size = sha2_local::min_(T::blockSize_ - self.roundBufSize_, bufSize); - memcpy(self.roundBuf_ + self.roundBufSize_, buf, size); - self.roundBufSize_ += size; - buf += size; - bufSize -= size; - } - if (self.roundBufSize_ == T::blockSize_) { - self.round(self.roundBuf_); - self.roundBufSize_ = 0; - } - while (bufSize >= T::blockSize_) { - assert(self.roundBufSize_ == 0); - self.round(buf); - buf += T::blockSize_; - bufSize -= T::blockSize_; - } - if (bufSize > 0) { - assert(bufSize < T::blockSize_); - assert(self.roundBufSize_ == 0); - memcpy(self.roundBuf_, buf, bufSize); - self.roundBufSize_ = bufSize; - } - assert(self.roundBufSize_ < T::blockSize_); - } -}; - -} // cybozu::sha2_local - -class Sha256 : public sha2_local::Common<Sha256> { - friend struct sha2_local::Common<Sha256>; -private: - static const size_t blockSize_ = 64; - static const size_t hSize_ = 8; - static const size_t msgLenByte_ = 8; - uint64_t totalSize_; - size_t roundBufSize_; - char roundBuf_[blockSize_]; - uint32_t h_[hSize_]; - static const size_t outByteSize_ = hSize_ * sizeof(uint32_t); - const uint32_t *k_; - - /** - @param buf [in] buffer(64byte) - */ - void round(const char *buf) - { - using namespace sha2_local; - uint32_t w[64]; - for (int i = 0; i < 16; i++) { - w[i] = cybozu::Get32bitAsBE(&buf[i * 4]); - } - for (int i = 16 ; i < 64; i++) { - uint32_t t = w[i - 15]; - uint32_t s0 = rot32(t, 7) ^ rot32(t, 18) ^ (t >> 3); - t = w[i - 2]; - uint32_t s1 = rot32(t, 17) ^ rot32(t, 19) ^ (t >> 10); - w[i] = w[i - 16] + s0 + w[i - 7] + s1; - } - uint32_t a = h_[0]; - uint32_t b = h_[1]; - uint32_t c = h_[2]; - uint32_t d = h_[3]; - uint32_t e = h_[4]; - uint32_t f = h_[5]; - uint32_t g = h_[6]; - uint32_t h = h_[7]; - for (int i = 0; i < 64; i++) { - uint32_t s1 = rot32(e, 6) ^ rot32(e, 11) ^ rot32(e, 25); - uint32_t ch = g ^ (e & (f ^ g)); - uint32_t t1 = h + s1 + ch + k_[i] + w[i]; - uint32_t s0 = rot32(a, 2) ^ rot32(a, 13) ^ rot32(a, 22); - uint32_t maj = ((a | b) & c) | (a & b); - uint32_t t2 = s0 + maj; - h = g; - g = f; - f = e; - e = d + t1; - d = c; - c = b; - b = a; - a = t1 + t2; - } - h_[0] += a; - h_[1] += b; - h_[2] += c; - h_[3] += d; - h_[4] += e; - h_[5] += f; - h_[6] += g; - h_[7] += h; - totalSize_ += blockSize_; - } -public: - Sha256() - { - clear(); - } - void clear() - { - static const uint32_t kTbl[] = { - 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 - }; - k_ = kTbl; - totalSize_ = 0; - roundBufSize_ = 0; - h_[0] = 0x6a09e667; - h_[1] = 0xbb67ae85; - h_[2] = 0x3c6ef372; - h_[3] = 0xa54ff53a; - h_[4] = 0x510e527f; - h_[5] = 0x9b05688c; - h_[6] = 0x1f83d9ab; - h_[7] = 0x5be0cd19; - } - void update(const void *buf, size_t bufSize) - { - inner_update(reinterpret_cast<const char*>(buf), bufSize); - } - size_t digest(void *md, size_t mdSize, const void *buf, size_t bufSize) - { - if (mdSize < outByteSize_) return 0; - update(buf, bufSize); - term(roundBuf_, roundBufSize_); - char *p = reinterpret_cast<char*>(md); - for (size_t i = 0; i < hSize_; i++) { - cybozu::Set32bitAsBE(&p[i * sizeof(h_[0])], h_[i]); - } - return outByteSize_; - } -#ifndef CYBOZU_DONT_USE_STRING - void update(const std::string& buf) - { - update(buf.c_str(), buf.size()); - } - std::string digest(const std::string& buf) - { - return digest(buf.c_str(), buf.size()); - } - std::string digest(const void *buf, size_t bufSize) - { - std::string md(outByteSize_, 0); - digest(&md[0], md.size(), buf, bufSize); - return md; - } -#endif -}; - -class Sha512 : public sha2_local::Common<Sha512> { - friend struct sha2_local::Common<Sha512>; -private: - static const size_t blockSize_ = 128; - static const size_t hSize_ = 8; - static const size_t msgLenByte_ = 16; - uint64_t totalSize_; - size_t roundBufSize_; - char roundBuf_[blockSize_]; - uint64_t h_[hSize_]; - static const size_t outByteSize_ = hSize_ * sizeof(uint64_t); - const uint64_t *k_; - - template<size_t i0, size_t i1, size_t i2, size_t i3, size_t i4, size_t i5, size_t i6, size_t i7> - void round1(uint64_t *S, const uint64_t *w, size_t i) - { - using namespace sha2_local; - uint64_t& a = S[i0]; - uint64_t& b = S[i1]; - uint64_t& c = S[i2]; - uint64_t& d = S[i3]; - uint64_t& e = S[i4]; - uint64_t& f = S[i5]; - uint64_t& g = S[i6]; - uint64_t& h = S[i7]; - - uint64_t s1 = rot64(e, 14) ^ rot64(e, 18) ^ rot64(e, 41); - uint64_t ch = g ^ (e & (f ^ g)); - uint64_t t0 = h + s1 + ch + k_[i] + w[i]; - uint64_t s0 = rot64(a, 28) ^ rot64(a, 34) ^ rot64(a, 39); - uint64_t maj = ((a | b) & c) | (a & b); - uint64_t t1 = s0 + maj; - d += t0; - h = t0 + t1; - } - /** - @param buf [in] buffer(64byte) - */ - void round(const char *buf) - { - using namespace sha2_local; - uint64_t w[80]; - for (int i = 0; i < 16; i++) { - w[i] = cybozu::Get64bitAsBE(&buf[i * 8]); - } - for (int i = 16 ; i < 80; i++) { - uint64_t t = w[i - 15]; - uint64_t s0 = rot64(t, 1) ^ rot64(t, 8) ^ (t >> 7); - t = w[i - 2]; - uint64_t s1 = rot64(t, 19) ^ rot64(t, 61) ^ (t >> 6); - w[i] = w[i - 16] + s0 + w[i - 7] + s1; - } - uint64_t s[8]; - for (int i = 0; i < 8; i++) { - s[i] = h_[i]; - } - for (int i = 0; i < 80; i += 8) { - round1<0, 1, 2, 3, 4, 5, 6, 7>(s, w, i + 0); - round1<7, 0, 1, 2, 3, 4, 5, 6>(s, w, i + 1); - round1<6, 7, 0, 1, 2, 3, 4, 5>(s, w, i + 2); - round1<5, 6, 7, 0, 1, 2, 3, 4>(s, w, i + 3); - round1<4, 5, 6, 7, 0, 1, 2, 3>(s, w, i + 4); - round1<3, 4, 5, 6, 7, 0, 1, 2>(s, w, i + 5); - round1<2, 3, 4, 5, 6, 7, 0, 1>(s, w, i + 6); - round1<1, 2, 3, 4, 5, 6, 7, 0>(s, w, i + 7); - } - for (int i = 0; i < 8; i++) { - h_[i] += s[i]; - } - totalSize_ += blockSize_; - } -public: - Sha512() - { - clear(); - } - void clear() - { - static const uint64_t kTbl[] = { - 0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL, 0xe9b5dba58189dbbcULL, 0x3956c25bf348b538ULL, - 0x59f111f1b605d019ULL, 0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, 0xd807aa98a3030242ULL, 0x12835b0145706fbeULL, - 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL, 0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, 0x9bdc06a725c71235ULL, - 0xc19bf174cf692694ULL, 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL, 0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, - 0x2de92c6f592b0275ULL, 0x4a7484aa6ea6e483ULL, 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL, 0x983e5152ee66dfabULL, - 0xa831c66d2db43210ULL, 0xb00327c898fb213fULL, 0xbf597fc7beef0ee4ULL, 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL, - 0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, 0x27b70a8546d22ffcULL, 0x2e1b21385c26c926ULL, 0x4d2c6dfc5ac42aedULL, - 0x53380d139d95b3dfULL, 0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, 0x81c2c92e47edaee6ULL, 0x92722c851482353bULL, - 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL, 0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, 0xd192e819d6ef5218ULL, - 0xd69906245565a910ULL, 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL, 0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, - 0x2748774cdf8eeb99ULL, 0x34b0bcb5e19b48a8ULL, 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL, 0x5b9cca4f7763e373ULL, - 0x682e6ff3d6b2b8a3ULL, 0x748f82ee5defb2fcULL, 0x78a5636f43172f60ULL, 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL, - 0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, 0xbef9a3f7b2c67915ULL, 0xc67178f2e372532bULL, 0xca273eceea26619cULL, - 0xd186b8c721c0c207ULL, 0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, 0x06f067aa72176fbaULL, 0x0a637dc5a2c898a6ULL, - 0x113f9804bef90daeULL, 0x1b710b35131c471bULL, 0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL, - 0x431d67c49c100d4cULL, 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL, 0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL - }; - k_ = kTbl; - totalSize_ = 0; - roundBufSize_ = 0; - h_[0] = 0x6a09e667f3bcc908ull; - h_[1] = 0xbb67ae8584caa73bull; - h_[2] = 0x3c6ef372fe94f82bull; - h_[3] = 0xa54ff53a5f1d36f1ull; - h_[4] = 0x510e527fade682d1ull; - h_[5] = 0x9b05688c2b3e6c1full; - h_[6] = 0x1f83d9abfb41bd6bull; - h_[7] = 0x5be0cd19137e2179ull; - } - void update(const void *buf, size_t bufSize) - { - inner_update(reinterpret_cast<const char*>(buf), bufSize); - } - size_t digest(void *md, size_t mdSize, const void *buf, size_t bufSize) - { - if (mdSize < outByteSize_) return 0; - update(buf, bufSize); - term(roundBuf_, roundBufSize_); - char *p = reinterpret_cast<char*>(md); - for (size_t i = 0; i < hSize_; i++) { - cybozu::Set64bitAsBE(&p[i * sizeof(h_[0])], h_[i]); - } - return outByteSize_; - } -#ifndef CYBOZU_DONT_USE_STRING - void update(const std::string& buf) - { - update(buf.c_str(), buf.size()); - } - std::string digest(const std::string& buf) - { - return digest(buf.c_str(), buf.size()); - } - std::string digest(const void *buf, size_t bufSize) - { - std::string md(outByteSize_, 0); - digest(&md[0], md.size(), buf, bufSize); - return md; - } -#endif -}; - -} // cybozu - -#endif |