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Direktori : /home2/selectio/www/innerstore/vendor/aws/aws-sdk-php/src/Crypto/Cipher/ |
Current File : /home2/selectio/www/innerstore/vendor/aws/aws-sdk-php/src/Crypto/Cipher/CipherMethod.php |
<?php namespace Aws\Crypto\Cipher; interface CipherMethod { /** * Returns an identifier recognizable by `openssl_*` functions, such as * `aes-256-cbc` or `aes-128-ctr`. * * @return string */ public function getOpenSslName(); /** * Returns an AES recognizable name, such as 'AES/GCM/NoPadding'. * * @return string */ public function getAesName(); /** * Returns the IV that should be used to initialize the next block in * encrypt or decrypt. * * @return string */ public function getCurrentIv(); /** * Indicates whether the cipher method used with this IV requires padding * the final block to make sure the plaintext is evenly divisible by the * block size. * * @return boolean */ public function requiresPadding(); /** * Adjust the return of this::getCurrentIv to reflect a seek performed on * the encryption stream using this IV object. * * @param int $offset * @param int $whence * * @throws LogicException Thrown if the requested seek is not supported by * this IV implementation. For example, a CBC IV * only supports a full rewind ($offset === 0 && * $whence === SEEK_SET) */ public function seek($offset, $whence = SEEK_SET); /** * Take account of the last cipher text block to adjust the return of * this::getCurrentIv * * @param string $cipherTextBlock */ public function update($cipherTextBlock); }