WordPoints /
wordpoints
| @@ 28-75 (lines=48) @@ | ||
| 25 | * @throws Error |
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| 26 | * @throws TypeError |
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| 27 | */ |
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| 28 | public static function box($inputFile, $outputFile, $nonce, $keyPair) |
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| 29 | { |
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| 30 | /* Type checks: */ |
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| 31 | if (!is_string($inputFile)) { |
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| 32 | throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given.'); |
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| 33 | } |
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| 34 | if (!is_string($outputFile)) { |
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| 35 | throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.'); |
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| 36 | } |
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| 37 | if (!is_string($nonce)) { |
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| 38 | throw new TypeError('Argument 3 must be a string, ' . gettype($nonce) . ' given.'); |
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| 39 | } |
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| 40 | ||
| 41 | /* Input validation: */ |
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| 42 | if (!is_string($keyPair)) { |
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| 43 | throw new TypeError('Argument 4 must be a string, ' . gettype($keyPair) . ' given.'); |
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| 44 | } |
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| 45 | if (self::strlen($nonce) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_NONCEBYTES) { |
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| 46 | throw new TypeError('Argument 3 must be CRYPTO_BOX_NONCEBYTES bytes'); |
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| 47 | } |
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| 48 | if (self::strlen($keyPair) !== ParagonIE_Sodium_Compat::CRYPTO_BOX_KEYPAIRBYTES) { |
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| 49 | throw new TypeError('Argument 4 must be CRYPTO_BOX_KEYPAIRBYTES bytes'); |
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| 50 | } |
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| 51 | ||
| 52 | /** @var int $size */ |
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| 53 | $size = filesize($inputFile); |
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| 54 | if (!is_int($size)) { |
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| 55 | throw new Error('Could not obtain the file size'); |
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| 56 | } |
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| 57 | ||
| 58 | /** @var resource $ifp */ |
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| 59 | $ifp = fopen($inputFile, 'rb'); |
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| 60 | if (!is_resource($ifp)) { |
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| 61 | throw new Error('Could not open input file for reading'); |
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| 62 | } |
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| 63 | ||
| 64 | /** @var resource $ofp */ |
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| 65 | $ofp = fopen($outputFile, 'wb'); |
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| 66 | if (!is_resource($ofp)) { |
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| 67 | fclose($ifp); |
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| 68 | throw new Error('Could not open output file for writing'); |
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| 69 | } |
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| 70 | ||
| 71 | $res = self::box_encrypt($ifp, $ofp, $size, $nonce, $keyPair); |
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| 72 | fclose($ifp); |
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| 73 | fclose($ofp); |
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| 74 | return $res; |
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| 75 | } |
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| 76 | ||
| 77 | /** |
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| 78 | * Open a boxed file (rather than a string). Uses less memory than |
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| @@ 426-473 (lines=48) @@ | ||
| 423 | * @throws Error |
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| 424 | * @throws TypeError |
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| 425 | */ |
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| 426 | public static function secretbox($inputFile, $outputFile, $nonce, $key) |
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| 427 | { |
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| 428 | /* Type checks: */ |
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| 429 | if (!is_string($inputFile)) { |
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| 430 | throw new TypeError('Argument 1 must be a string, ' . gettype($inputFile) . ' given..'); |
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| 431 | } |
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| 432 | if (!is_string($outputFile)) { |
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| 433 | throw new TypeError('Argument 2 must be a string, ' . gettype($outputFile) . ' given.'); |
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| 434 | } |
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| 435 | if (!is_string($nonce)) { |
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| 436 | throw new TypeError('Argument 3 must be a string, ' . gettype($nonce) . ' given.'); |
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| 437 | } |
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| 438 | ||
| 439 | /* Input validation: */ |
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| 440 | if (self::strlen($nonce) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_NONCEBYTES) { |
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| 441 | throw new TypeError('Argument 3 must be CRYPTO_SECRETBOX_NONCEBYTES bytes'); |
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| 442 | } |
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| 443 | if (!is_string($key)) { |
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| 444 | throw new TypeError('Argument 4 must be a string, ' . gettype($key) . ' given.'); |
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| 445 | } |
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| 446 | if (self::strlen($key) !== ParagonIE_Sodium_Compat::CRYPTO_SECRETBOX_KEYBYTES) { |
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| 447 | throw new TypeError('Argument 4 must be CRYPTO_SECRETBOX_KEYBYTES bytes'); |
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| 448 | } |
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| 449 | ||
| 450 | /** @var int $size */ |
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| 451 | $size = filesize($inputFile); |
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| 452 | if (!is_int($size)) { |
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| 453 | throw new Error('Could not obtain the file size'); |
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| 454 | } |
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| 455 | ||
| 456 | /** @var resource $ifp */ |
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| 457 | $ifp = fopen($inputFile, 'rb'); |
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| 458 | if (!is_resource($ifp)) { |
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| 459 | throw new Error('Could not open input file for reading'); |
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| 460 | } |
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| 461 | ||
| 462 | /** @var resource $ofp */ |
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| 463 | $ofp = fopen($outputFile, 'wb'); |
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| 464 | if (!is_resource($ofp)) { |
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| 465 | fclose($ifp); |
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| 466 | throw new Error('Could not open output file for writing'); |
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| 467 | } |
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| 468 | ||
| 469 | $res = self::secretbox_encrypt($ifp, $ofp, $size, $nonce, $key); |
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| 470 | fclose($ifp); |
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| 471 | fclose($ofp); |
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| 472 | return $res; |
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| 473 | } |
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| 474 | /** |
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| 475 | * Seal a file (rather than a string). Uses less memory than |
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| 476 | * ParagonIE_Sodium_Compat::crypto_secretbox_open(), but produces |
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