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“Encrypt in PHP openssl and decrypt in javascript CryptoJS” Code Answer

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Encrypt in PHP openssl and decrypt in javascript CryptoJS

php by Australian Spiny Anteater on Nov 26 2019 Donate

function CryptoJSAesEncrypt($passphrase, $plain_text){

    $salt = openssl_random_pseudo_bytes(256);
    $iv = openssl_random_pseudo_bytes(16);
    //on PHP7 can use random_bytes() istead openssl_random_pseudo_bytes()
    //or PHP5x see : https://github.com/paragonie/random_compat

    $iterations = 999;  
    $key = hash_pbkdf2("sha512", $passphrase, $salt, $iterations, 64);

    $encrypted_data = openssl_encrypt($plain_text, 'aes-256-cbc', hex2bin($key), OPENSSL_RAW_DATA, $iv);

    $data = array("ciphertext" => base64_encode($encrypted_data), "iv" => bin2hex($iv), "salt" => bin2hex($salt));
    return json_encode($data);
}

$string_json_fromPHP = CryptoJSAesEncrypt("your passphrase", "your plain text");

Encrypt in PHP openssl and decrypt in javascript CryptoJS

php by Australian Spiny Anteater on Nov 26 2019 Donate

function CryptoJSAesDecrypt(passphrase,encrypted_json_string){

    var obj_json = JSON.parse(encrypted_json_string);

    var encrypted = obj_json.ciphertext;
    var salt = CryptoJS.enc.Hex.parse(obj_json.salt);
    var iv = CryptoJS.enc.Hex.parse(obj_json.iv);   

    var key = CryptoJS.PBKDF2(passphrase, salt, { hasher: CryptoJS.algo.SHA512, keySize: 64/8, iterations: 999});


    var decrypted = CryptoJS.AES.decrypt(encrypted, key, { iv: iv});

    return decrypted.toString(CryptoJS.enc.Utf8);
}

console.log(CryptoJSAesDecrypt('your passphrase','<?php echo $string_json_fromPHP?>'));

PHP queries related to “Encrypt in PHP openssl and decrypt in javascript CryptoJS”

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“Encrypt in PHP openssl and decrypt in javascript CryptoJS” Code Answer

You may not remember next time either, so install Grepper.

PHP queries related to “Encrypt in PHP openssl and decrypt in javascript CryptoJS”

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