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It is Laravel 5.4 setup of my web app. one thing is happening repeatedly on page load. and because of that, I am not able to get data on my page.
Runtime exception: The only supported ciphers are AES-128-CBC and AES-256-CBC with the correct key lengths.
Got this error repeatedly
I would be thankful for any help.
796
aes stands for advanced encryption service, 128 is the bit rate, and CBC is the mode of encryption. However, this is recited and used only in OPEN SSL Formats.
AES-CBC only performs a XOR between the block encrypts, and XOR's are so fast that the overhead should be negligible. AES-GCM however consists of counter (CTR) mode & GMAC calculations. CTR uses a 128-bit counter (negligible) and a XOR. However, the GMAC will have to be performed on top of that.
What is 256-bit AES encryption? 256-bit AES encryption refers to the process of concealing plaintext data using the AES algorithm and an AES key length of 256 bits. In addition, 256 bits is the largest AES key length size, as well as its most mathematically complex. It is also the most difficult to crack.
CBC (short for cipher-block chaining) is a AES block cipher mode that trumps the ECB mode in hiding away patterns in the plaintext. CBC mode achieves this by XOR-ing the first plaintext block (B1) with an initialization vector before encrypting it.
I think you should try this
run this command
php artisan key:generate
and the clear config cache using
php artisan config:cache
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