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@@ 1518-1536 (lines=19) @@
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* @throws Error |
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* @throws TypeError |
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*/ |
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public static function crypto_secretbox_xchacha20poly1305($plaintext, $nonce, $key) |
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{ |
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/* Type checks: */ |
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ParagonIE_Sodium_Core_Util::declareScalarType($plaintext, 'string', 1); |
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ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); |
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ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); |
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/* Input validation: */ |
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if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { |
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throw new Error('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); |
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} |
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if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { |
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throw new Error('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); |
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} |
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if (PHP_INT_SIZE === 4) { |
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return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305($plaintext, $nonce, $key); |
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} |
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return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305($plaintext, $nonce, $key); |
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} |
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/** |
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* Decrypts a message previously encrypted with crypto_secretbox_xchacha20poly1305(). |
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* |
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@@ 1547-1566 (lines=20) @@
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* @throws Error |
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* @throws TypeError |
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*/ |
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public static function crypto_secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key) |
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{ |
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/* Type checks: */ |
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ParagonIE_Sodium_Core_Util::declareScalarType($ciphertext, 'string', 1); |
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ParagonIE_Sodium_Core_Util::declareScalarType($nonce, 'string', 2); |
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ParagonIE_Sodium_Core_Util::declareScalarType($key, 'string', 3); |
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/* Input validation: */ |
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if (ParagonIE_Sodium_Core_Util::strlen($nonce) !== self::CRYPTO_SECRETBOX_NONCEBYTES) { |
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throw new Error('Argument 2 must be CRYPTO_SECRETBOX_NONCEBYTES long.'); |
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} |
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if (ParagonIE_Sodium_Core_Util::strlen($key) !== self::CRYPTO_SECRETBOX_KEYBYTES) { |
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throw new Error('Argument 3 must be CRYPTO_SECRETBOX_KEYBYTES long.'); |
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} |
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| 1562 |
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if (PHP_INT_SIZE === 4) { |
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return ParagonIE_Sodium_Crypto32::secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key); |
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} |
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return ParagonIE_Sodium_Crypto::secretbox_xchacha20poly1305_open($ciphertext, $nonce, $key); |
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} |
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| 1568 |
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/** |
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* Calculates a SipHash-2-4 hash of a message for a given key. |
WordPoints /
wordpoints
