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<?php |
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/** |
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* Trait implementation of the derivation control over the outputting digest length for digestion algorithms. |
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*/ |
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namespace CryptoManana\Core\Traits\MessageDigestion; |
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use \CryptoManana\Core\Interfaces\MessageDigestion\DerivationDigestLengthInterface as DigestLengthSpecification; |
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/** |
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* Trait DerivationDigestLengthTrait - Reusable implementation of `DerivationDigestLengthInterface`. |
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* |
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* @see \CryptoManana\Core\Interfaces\MessageDigestion\DerivationDigestLengthInterface The abstract specification. |
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* |
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* @package CryptoManana\Core\Traits\MessageDigestion |
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* |
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* @property string $outputLength The derivation output digest size in bytes length property storage. |
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* |
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* @mixin DigestLengthSpecification |
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*/ |
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trait DerivationDigestLengthTrait |
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{ |
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/** |
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* Setter for the derivation output digest size in bytes length property. |
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* |
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* @param int $byteLength The derivation output digest size in bytes length. |
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* |
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* @return $this The hash algorithm object. |
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* @throw \Exception Validation errors. |
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*/ |
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public function setOutputLength($byteLength) |
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{ |
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$byteLength = filter_var( |
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$byteLength, |
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FILTER_VALIDATE_INT, |
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[ |
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"options" => [ |
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"min_range" => 1, |
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"max_range" => static::ALGORITHM_MAXIMUM_OUTPUT, |
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], |
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] |
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); |
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if ($byteLength === false) { |
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throw new \InvalidArgumentException( |
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'The output length must be a valid integer and be between 1 and ' . |
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static::ALGORITHM_MAXIMUM_OUTPUT . '.' |
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); |
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} |
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$this->outputLength = $byteLength; |
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return $this; |
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} |
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/** |
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* Getter for the derivation output digest size in bytes length property. |
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* |
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* @return int The derivation output digest size in bytes length. |
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*/ |
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public function getOutputLength() |
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{ |
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return $this->outputLength; |
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} |
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} |
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