im currently implementing a security module in a voting system and i was wondering what is the fastest way to encrypt (not hash) data in php? I was thinking something something like TEA, but i've never really tested the performance. I would really appreciate if someone share some know-how here.
1条回答 默认 最新
- duandi4238 2011-10-31 22:54关注
My suggestion is PHP's mcrypt module: http://php.net/manual/en/book.mcrypt.php
Code sample:
// encrypt $data = 'data to encrypt'; $key = 'mykey'; $vector_size = mcrypt_get_iv_size( MCRYPT_TRIPLEDES, MCRYPT_MODE_NOFB ); $encrypted_data = mcrypt_encrypt( MCRYPT_TRIPLEDES, substr( sha1( $key ), -9 ), $data, MCRYPT_MODE_NOFB, $vector_size ); // decrypt $key = 'mykey'; $vector_size = mcrypt_get_iv_size( MCRYPT_TRIPLEDES, MCRYPT_MODE_NOFB ); $decrypted_data = rtrim( mcrypt_decrypt( MCRYPT_TRIPLEDES, substr( sha1( $key ), -9 ), $encrypted_data, MCRYPT_MODE_NOFB, $vector_size ), "\0" );
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