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<?php |
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/** |
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* Trait implementation of asymmetric key pair format validation methods. |
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*/ |
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namespace CryptoManana\Core\Traits\CommonValidations; |
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/** |
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* Trait KeyPairFormatValidationTrait - Reusable implementation of asymmetric key pair format validations. |
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* |
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* @package CryptoManana\Core\Traits\CommonValidations |
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*/ |
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trait KeyPairFormatValidationTrait |
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{ |
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/** |
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* Internal method for the validation of the private key string representation format. |
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* |
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* @param string $privateKey The private key input string. |
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* |
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* @throws \Exception Validation errors. |
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* |
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* @internal The parameter is passed via reference from the main logical method for performance reasons. |
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*/ |
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protected function validatePrivateKeyFormat(&$privateKey) |
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{ |
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if (!is_string($privateKey)) { |
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throw new \InvalidArgumentException('The private key must be a string or a binary string.'); |
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} |
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$isPrivateBase64String = ( |
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!empty($privateKey) && preg_match('%^[a-zA-Z0-9/+]*={0,2}$%', $privateKey) && strlen($privateKey) % 4 === 0 |
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); |
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if (!$isPrivateBase64String) { |
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throw new \InvalidArgumentException('The private key must be a valid Base64 formatted string.'); |
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} |
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568 |
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} |
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/** |
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* Internal method for the validation of the public key string representation format. |
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* |
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* @param string $publicKey The public key input string. |
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* |
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* @throws \Exception Validation errors. |
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* |
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* @internal The parameter is passed via reference from the main logical method for performance reasons. |
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*/ |
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protected function validatePublicKeyFormat(&$publicKey) |
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{ |
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if (!is_string($publicKey)) { |
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throw new \InvalidArgumentException('The public key must be a string or a binary string.'); |
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} |
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$isPublicBase64String = ( |
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!empty($publicKey) && preg_match('%^[a-zA-Z0-9/+]*={0,2}$%', $publicKey) && strlen($publicKey) % 4 === 0 |
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); |
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if (!$isPublicBase64String) { |
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throw new \InvalidArgumentException('The public key must be a valid Base64 formatted string.'); |
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} |
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} |
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} |
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TonyKaravasilev /
CryptoManana
