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sudancam
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0d544
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wp-includes
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sodium_compat
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src
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Core
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..
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Core32
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ChaCha20
/
IetfCtx.php
/
/
<?php if (class_exists('ParagonIE_Sodium_Core_ChaCha20_IetfCtx', false)) { return; } /** * Class ParagonIE_Sodium_Core32_ChaCha20_IetfCtx */ class ParagonIE_Sodium_Core32_ChaCha20_IetfCtx extends ParagonIE_Sodium_Core32_ChaCha20_Ctx { /** * ParagonIE_Sodium_Core_ChaCha20_IetfCtx constructor. * * @internal You should not use this directly from another application * * @param string $key ChaCha20 key. * @param string $iv Initialization Vector (a.k.a. nonce). * @param string $counter The initial counter value. * Defaults to 4 0x00 bytes. * @throws InvalidArgumentException * @throws SodiumException * @throws TypeError */ public function __construct($key = '', $iv = '', $counter = '') { if (self::strlen($iv) !== 12) { throw new InvalidArgumentException('ChaCha20 expects a 96-bit nonce in IETF mode.'); } parent::__construct($key, self::substr($iv, 0, 8), $counter); if (!empty($counter)) { $this->container[12] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($counter, 0, 4)); } $this->container[13] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 0, 4)); $this->container[14] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 4, 4)); $this->container[15] = ParagonIE_Sodium_Core32_Int32::fromReverseString(self::substr($iv, 8, 4)); } }
/home/sudancam/public_html/0d544/../wp-includes/sodium_compat/src/Core/../Core32/ChaCha20/IetfCtx.php