From 19985dbb8c0aa66dc4bf7905abc1148de909097d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= Date: Tue, 11 Jan 2022 12:35:47 +0100 Subject: prvi-commit --- .../sodium_compat/src/Core32/ChaCha20.php | 400 +++++++++++++++++++++ 1 file changed, 400 insertions(+) create mode 100644 vendor/paragonie/sodium_compat/src/Core32/ChaCha20.php (limited to 'vendor/paragonie/sodium_compat/src/Core32/ChaCha20.php') diff --git a/vendor/paragonie/sodium_compat/src/Core32/ChaCha20.php b/vendor/paragonie/sodium_compat/src/Core32/ChaCha20.php new file mode 100644 index 0000000..6f8c0bf --- /dev/null +++ b/vendor/paragonie/sodium_compat/src/Core32/ChaCha20.php @@ -0,0 +1,400 @@ + + * @throws SodiumException + * @throws TypeError + */ + protected static function quarterRound( + ParagonIE_Sodium_Core32_Int32 $a, + ParagonIE_Sodium_Core32_Int32 $b, + ParagonIE_Sodium_Core32_Int32 $c, + ParagonIE_Sodium_Core32_Int32 $d + ) { + /** @var ParagonIE_Sodium_Core32_Int32 $a */ + /** @var ParagonIE_Sodium_Core32_Int32 $b */ + /** @var ParagonIE_Sodium_Core32_Int32 $c */ + /** @var ParagonIE_Sodium_Core32_Int32 $d */ + + # a = PLUS(a,b); d = ROTATE(XOR(d,a),16); + $a = $a->addInt32($b); + $d = $d->xorInt32($a)->rotateLeft(16); + + # c = PLUS(c,d); b = ROTATE(XOR(b,c),12); + $c = $c->addInt32($d); + $b = $b->xorInt32($c)->rotateLeft(12); + + # a = PLUS(a,b); d = ROTATE(XOR(d,a), 8); + $a = $a->addInt32($b); + $d = $d->xorInt32($a)->rotateLeft(8); + + # c = PLUS(c,d); b = ROTATE(XOR(b,c), 7); + $c = $c->addInt32($d); + $b = $b->xorInt32($c)->rotateLeft(7); + + return array($a, $b, $c, $d); + } + + /** + * @internal You should not use this directly from another application + * + * @param ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx + * @param string $message + * + * @return string + * @throws SodiumException + * @throws TypeError + */ + public static function encryptBytes( + ParagonIE_Sodium_Core32_ChaCha20_Ctx $ctx, + $message = '' + ) { + $bytes = self::strlen($message); + + /** @var ParagonIE_Sodium_Core32_Int32 $x0 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x1 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x2 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x3 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x4 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x5 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x6 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x7 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x8 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x9 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x10 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x11 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x12 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x13 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x14 */ + /** @var ParagonIE_Sodium_Core32_Int32 $x15 */ + + /* + j0 = ctx->input[0]; + j1 = ctx->input[1]; + j2 = ctx->input[2]; + j3 = ctx->input[3]; + j4 = ctx->input[4]; + j5 = ctx->input[5]; + j6 = ctx->input[6]; + j7 = ctx->input[7]; + j8 = ctx->input[8]; + j9 = ctx->input[9]; + j10 = ctx->input[10]; + j11 = ctx->input[11]; + j12 = ctx->input[12]; + j13 = ctx->input[13]; + j14 = ctx->input[14]; + j15 = ctx->input[15]; + */ + /** @var ParagonIE_Sodium_Core32_Int32 $j0 */ + $j0 = $ctx[0]; + /** @var ParagonIE_Sodium_Core32_Int32 $j1 */ + $j1 = $ctx[1]; + /** @var ParagonIE_Sodium_Core32_Int32 $j2 */ + $j2 = $ctx[2]; + /** @var ParagonIE_Sodium_Core32_Int32 $j3 */ + $j3 = $ctx[3]; + /** @var ParagonIE_Sodium_Core32_Int32 $j4 */ + $j4 = $ctx[4]; + /** @var ParagonIE_Sodium_Core32_Int32 $j5 */ + $j5 = $ctx[5]; + /** @var ParagonIE_Sodium_Core32_Int32 $j6 */ + $j6 = $ctx[6]; + /** @var ParagonIE_Sodium_Core32_Int32 $j7 */ + $j7 = $ctx[7]; + /** @var ParagonIE_Sodium_Core32_Int32 $j8 */ + $j8 = $ctx[8]; + /** @var ParagonIE_Sodium_Core32_Int32 $j9 */ + $j9 = $ctx[9]; + /** @var ParagonIE_Sodium_Core32_Int32 $j10 */ + $j10 = $ctx[10]; + /** @var ParagonIE_Sodium_Core32_Int32 $j11 */ + $j11 = $ctx[11]; + /** @var ParagonIE_Sodium_Core32_Int32 $j12 */ + $j12 = $ctx[12]; + /** @var ParagonIE_Sodium_Core32_Int32 $j13 */ + $j13 = $ctx[13]; + /** @var ParagonIE_Sodium_Core32_Int32 $j14 */ + $j14 = $ctx[14]; + /** @var ParagonIE_Sodium_Core32_Int32 $j15 */ + $j15 = $ctx[15]; + + $c = ''; + for (;;) { + if ($bytes < 64) { + $message .= str_repeat("\x00", 64 - $bytes); + } + + $x0 = clone $j0; + $x1 = clone $j1; + $x2 = clone $j2; + $x3 = clone $j3; + $x4 = clone $j4; + $x5 = clone $j5; + $x6 = clone $j6; + $x7 = clone $j7; + $x8 = clone $j8; + $x9 = clone $j9; + $x10 = clone $j10; + $x11 = clone $j11; + $x12 = clone $j12; + $x13 = clone $j13; + $x14 = clone $j14; + $x15 = clone $j15; + + # for (i = 20; i > 0; i -= 2) { + for ($i = 20; $i > 0; $i -= 2) { + # QUARTERROUND( x0, x4, x8, x12) + list($x0, $x4, $x8, $x12) = self::quarterRound($x0, $x4, $x8, $x12); + + # QUARTERROUND( x1, x5, x9, x13) + list($x1, $x5, $x9, $x13) = self::quarterRound($x1, $x5, $x9, $x13); + + # QUARTERROUND( x2, x6, x10, x14) + list($x2, $x6, $x10, $x14) = self::quarterRound($x2, $x6, $x10, $x14); + + # QUARTERROUND( x3, x7, x11, x15) + list($x3, $x7, $x11, $x15) = self::quarterRound($x3, $x7, $x11, $x15); + + # QUARTERROUND( x0, x5, x10, x15) + list($x0, $x5, $x10, $x15) = self::quarterRound($x0, $x5, $x10, $x15); + + # QUARTERROUND( x1, x6, x11, x12) + list($x1, $x6, $x11, $x12) = self::quarterRound($x1, $x6, $x11, $x12); + + # QUARTERROUND( x2, x7, x8, x13) + list($x2, $x7, $x8, $x13) = self::quarterRound($x2, $x7, $x8, $x13); + + # QUARTERROUND( x3, x4, x9, x14) + list($x3, $x4, $x9, $x14) = self::quarterRound($x3, $x4, $x9, $x14); + } + /* + x0 = PLUS(x0, j0); + x1 = PLUS(x1, j1); + x2 = PLUS(x2, j2); + x3 = PLUS(x3, j3); + x4 = PLUS(x4, j4); + x5 = PLUS(x5, j5); + x6 = PLUS(x6, j6); + x7 = PLUS(x7, j7); + x8 = PLUS(x8, j8); + x9 = PLUS(x9, j9); + x10 = PLUS(x10, j10); + x11 = PLUS(x11, j11); + x12 = PLUS(x12, j12); + x13 = PLUS(x13, j13); + x14 = PLUS(x14, j14); + x15 = PLUS(x15, j15); + */ + $x0 = $x0->addInt32($j0); + $x1 = $x1->addInt32($j1); + $x2 = $x2->addInt32($j2); + $x3 = $x3->addInt32($j3); + $x4 = $x4->addInt32($j4); + $x5 = $x5->addInt32($j5); + $x6 = $x6->addInt32($j6); + $x7 = $x7->addInt32($j7); + $x8 = $x8->addInt32($j8); + $x9 = $x9->addInt32($j9); + $x10 = $x10->addInt32($j10); + $x11 = $x11->addInt32($j11); + $x12 = $x12->addInt32($j12); + $x13 = $x13->addInt32($j13); + $x14 = $x14->addInt32($j14); + $x15 = $x15->addInt32($j15); + + /* + x0 = XOR(x0, LOAD32_LE(m + 0)); + x1 = XOR(x1, LOAD32_LE(m + 4)); + x2 = XOR(x2, LOAD32_LE(m + 8)); + x3 = XOR(x3, LOAD32_LE(m + 12)); + x4 = XOR(x4, LOAD32_LE(m + 16)); + x5 = XOR(x5, LOAD32_LE(m + 20)); + x6 = XOR(x6, LOAD32_LE(m + 24)); + x7 = XOR(x7, LOAD32_LE(m + 28)); + x8 = XOR(x8, LOAD32_LE(m + 32)); + x9 = XOR(x9, LOAD32_LE(m + 36)); + x10 = XOR(x10, LOAD32_LE(m + 40)); + x11 = XOR(x11, LOAD32_LE(m + 44)); + x12 = XOR(x12, LOAD32_LE(m + 48)); + x13 = XOR(x13, LOAD32_LE(m + 52)); + x14 = XOR(x14, LOAD32_LE(m + 56)); + x15 = XOR(x15, LOAD32_LE(m + 60)); + */ + $x0 = $x0->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 0, 4))); + $x1 = $x1->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 4, 4))); + $x2 = $x2->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 8, 4))); + $x3 = $x3->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 12, 4))); + $x4 = $x4->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 16, 4))); + $x5 = $x5->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 20, 4))); + $x6 = $x6->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 24, 4))); + $x7 = $x7->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 28, 4))); + $x8 = $x8->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 32, 4))); + $x9 = $x9->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 36, 4))); + $x10 = $x10->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 40, 4))); + $x11 = $x11->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 44, 4))); + $x12 = $x12->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 48, 4))); + $x13 = $x13->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 52, 4))); + $x14 = $x14->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 56, 4))); + $x15 = $x15->xorInt32(ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($message, 60, 4))); + + /* + j12 = PLUSONE(j12); + if (!j12) { + j13 = PLUSONE(j13); + } + */ + /** @var ParagonIE_Sodium_Core32_Int32 $j12 */ + $j12 = $j12->addInt(1); + if ($j12->limbs[0] === 0 && $j12->limbs[1] === 0) { + $j13 = $j13->addInt(1); + } + + /* + STORE32_LE(c + 0, x0); + STORE32_LE(c + 4, x1); + STORE32_LE(c + 8, x2); + STORE32_LE(c + 12, x3); + STORE32_LE(c + 16, x4); + STORE32_LE(c + 20, x5); + STORE32_LE(c + 24, x6); + STORE32_LE(c + 28, x7); + STORE32_LE(c + 32, x8); + STORE32_LE(c + 36, x9); + STORE32_LE(c + 40, x10); + STORE32_LE(c + 44, x11); + STORE32_LE(c + 48, x12); + STORE32_LE(c + 52, x13); + STORE32_LE(c + 56, x14); + STORE32_LE(c + 60, x15); + */ + + $block = $x0->toReverseString() . + $x1->toReverseString() . + $x2->toReverseString() . + $x3->toReverseString() . + $x4->toReverseString() . + $x5->toReverseString() . + $x6->toReverseString() . + $x7->toReverseString() . + $x8->toReverseString() . + $x9->toReverseString() . + $x10->toReverseString() . + $x11->toReverseString() . + $x12->toReverseString() . + $x13->toReverseString() . + $x14->toReverseString() . + $x15->toReverseString(); + + /* Partial block */ + if ($bytes < 64) { + $c .= self::substr($block, 0, $bytes); + break; + } + + /* Full block */ + $c .= $block; + $bytes -= 64; + if ($bytes <= 0) { + break; + } + $message = self::substr($message, 64); + } + /* end for(;;) loop */ + + $ctx[12] = $j12; + $ctx[13] = $j13; + return $c; + } + + /** + * @internal You should not use this directly from another application + * + * @param int $len + * @param string $nonce + * @param string $key + * @return string + * @throws SodiumException + * @throws TypeError + */ + public static function stream($len = 64, $nonce = '', $key = '') + { + return self::encryptBytes( + new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce), + str_repeat("\x00", $len) + ); + } + + /** + * @internal You should not use this directly from another application + * + * @param int $len + * @param string $nonce + * @param string $key + * @return string + * @throws SodiumException + * @throws TypeError + */ + public static function ietfStream($len, $nonce = '', $key = '') + { + return self::encryptBytes( + new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce), + str_repeat("\x00", $len) + ); + } + + /** + * @internal You should not use this directly from another application + * + * @param string $message + * @param string $nonce + * @param string $key + * @param string $ic + * @return string + * @throws SodiumException + * @throws TypeError + */ + public static function ietfStreamXorIc($message, $nonce = '', $key = '', $ic = '') + { + return self::encryptBytes( + new ParagonIE_Sodium_Core32_ChaCha20_IetfCtx($key, $nonce, $ic), + $message + ); + } + + /** + * @internal You should not use this directly from another application + * + * @param string $message + * @param string $nonce + * @param string $key + * @param string $ic + * @return string + * @throws SodiumException + * @throws TypeError + */ + public static function streamXorIc($message, $nonce = '', $key = '', $ic = '') + { + return self::encryptBytes( + new ParagonIE_Sodium_Core32_ChaCha20_Ctx($key, $nonce, $ic), + $message + ); + } +} -- cgit v1.2.3