WordPoints /
wordpoints
| @@ 251-302 (lines=52) @@ | ||
| 248 | * @throws Error |
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| 249 | * @throws TypeError |
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| 250 | */ |
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| 251 | public static function crypto_aead_chacha20poly1305_encrypt( |
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| 252 | $plaintext = '', |
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| 253 | $assocData = '', |
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| 254 | $nonce = '', |
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| 255 | $key = '' |
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| 256 | ) { |
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| 257 | /* Type checks: */ |
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| 258 | ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); |
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| 259 | ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); |
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| 260 | ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); |
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| 261 | ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); |
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| 262 | ||
| 263 | /* Input validation: */ |
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| 264 | if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES) { |
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| 265 | throw new Error('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES long'); |
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| 266 | } |
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| 267 | if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { |
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| 268 | throw new Error('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); |
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| 269 | } |
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| 270 | ||
| 271 | if (self::isPhp72OrGreater()) { |
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| 272 | return sodium_crypto_aead_chacha20poly1305_encrypt( |
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| 273 | $plaintext, |
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| 274 | $assocData, |
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| 275 | $nonce, |
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| 276 | $key |
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| 277 | ); |
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| 278 | } |
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| 279 | if (self::use_fallback('crypto_aead_chacha20poly1305_encrypt')) { |
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| 280 | return call_user_func( |
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| 281 | '\\Sodium\\crypto_aead_chacha20poly1305_encrypt', |
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| 282 | $plaintext, |
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| 283 | $assocData, |
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| 284 | $nonce, |
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| 285 | $key |
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| 286 | ); |
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| 287 | } |
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| 288 | if (PHP_INT_SIZE === 4) { |
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| 289 | return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_encrypt( |
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| 290 | $plaintext, |
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| 291 | $assocData, |
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| 292 | $nonce, |
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| 293 | $key |
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| 294 | ); |
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| 295 | } |
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| 296 | return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_encrypt( |
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| 297 | $plaintext, |
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| 298 | $assocData, |
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| 299 | $nonce, |
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| 300 | $key |
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| 301 | ); |
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| 302 | } |
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| 303 | ||
| 304 | /** |
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| 305 | * Authenticated Encryption with Associated Data: Decryption |
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| @@ 397-448 (lines=52) @@ | ||
| 394 | * @throws Error |
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| 395 | * @throws TypeError |
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| 396 | */ |
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| 397 | public static function crypto_aead_chacha20poly1305_ietf_encrypt( |
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| 398 | $plaintext = '', |
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| 399 | $assocData = '', |
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| 400 | $nonce = '', |
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| 401 | $key = '' |
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| 402 | ) { |
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| 403 | /* Type checks: */ |
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| 404 | ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); |
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| 405 | ParagonIE_Sodium_Core_Util::declareScalarType($assocData, 'string', 2); |
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| 406 | ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 3); |
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| 407 | ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 4); |
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| 408 | ||
| 409 | /* Input validation: */ |
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| 410 | if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES) { |
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| 411 | throw new Error('Nonce must be CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES long'); |
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| 412 | } |
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| 413 | if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES) { |
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| 414 | throw new Error('Key must be CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES long'); |
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| 415 | } |
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| 416 | ||
| 417 | if (self::isPhp72OrGreater()) { |
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| 418 | return sodium_crypto_aead_chacha20poly1305_ietf_encrypt( |
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| 419 | $plaintext, |
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| 420 | $assocData, |
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| 421 | $nonce, |
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| 422 | $key |
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| 423 | ); |
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| 424 | } |
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| 425 | if (self::use_fallback('crypto_aead_chacha20poly1305_ietf_encrypt')) { |
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| 426 | return call_user_func( |
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| 427 | '\\Sodium\\crypto_aead_chacha20poly1305_ietf_encrypt', |
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| 428 | $plaintext, |
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| 429 | $assocData, |
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| 430 | $nonce, |
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| 431 | $key |
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| 432 | ); |
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| 433 | } |
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| 434 | if (PHP_INT_SIZE === 4) { |
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| 435 | return ParagonIE_Sodium_Crypto32::aead_chacha20poly1305_ietf_encrypt( |
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| 436 | $plaintext, |
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| 437 | $assocData, |
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| 438 | $nonce, |
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| 439 | $key |
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| 440 | ); |
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| 441 | } |
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| 442 | return ParagonIE_Sodium_Crypto::aead_chacha20poly1305_ietf_encrypt( |
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| 443 | $plaintext, |
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| 444 | $assocData, |
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| 445 | $nonce, |
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| 446 | $key |
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| 447 | ); |
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| 448 | } |
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| 449 | ||
| 450 | /** |
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| 451 | * Authenticated Encryption with Associated Data: Decryption |
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