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I need to decrypt my cipherText using the content encryption key + IV and validate it against the AAD and tag using A128CBC-HS256. I have found this library doing this. But, I do i use it? I have searched for other jwe libraries, but they only decrypt the ciphertext without validating with the aad and tag.

I have tried implementing the library but i've encountered errors and the documentation isn't helpful for novices like me.

I have also tried php's openssl_decrypt, but it is only for GCM and CCM, not CBC.

Spiral1ng
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