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var str = "A";
str.charCodeAt();  

String.fromCharCode(65);  

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s = 'A'
print(ord(s)) 

print(chr(65)) 

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window.btoa("python123") 

window.atob("cHl0aG9uMTIz") 

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import base64

base64.b64encode(b'python123')  

base64.b64decode(b'cHl0aG9uMTIz')  

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var CryptoJS = require("crypto-js");


var password = 'dahsjhfjakhfjksdsssss1sx' 
var iv = 'fdshgjdsngjknaaa'


var encrypted = CryptoJS.AES.encrypt("helloworld", password);
var decrypted = CryptoJS.AES.decrypt(encrypted, password);
console.log('encrypted: ', encrypted.toString())
console.log('decrypted: ', decrypted.toString(CryptoJS.enc.Utf8))



var encrypted1 = CryptoJS.AES.encrypt("helloworld", password, {
    iv: iv,
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.Pkcs7
});
var decrypted1 = CryptoJS.AES.decrypt(encrypted1, password, {
    iv: iv,
    mode: CryptoJS.mode.CBC,
    padding: CryptoJS.pad.Pkcs7
});
console.log('encrypted1: ', encrypted1.toString())
console.log('decrypted1: ', decrypted1.toString(CryptoJS.enc.Utf8))

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from Crypto.Cipher import AES

password = 'dahsjhfjakhfjksdsssss1sx' 
iv = 'fdshgjdsngjknaaa'



pad = lambda s: s + (16 - len(s)%16) * chr(16 - len(s)%16) 

obj = AES.new(password,AES.MODE_CBC,iv)
encrypted = obj.encrypt(pad("helloworld").encode("utf8"))
print(encrypted)


obj2 = AES.new(password, AES.MODE_CBC, iv)
print(obj2.decrypt(encrypted)) 

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var publicKey = `-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDSLffg4ztiN4J7eSWhw3kIrrsM
5IMnkYMAxJgWDaIXwo7mJRpCdYkQtxLPnbE+zFklL1BLS923MFtAz5uLpIkf0LiV
YoaAdGMMVfEfusnW8GcWPMse/0jMZkb9RdSI7othUETJNYadUdBQ2tZoGryHJ6N2
DU7RVvt+6KiysCGbXQIDAQAB
-----END PUBLIC KEY-----`

var priveteKey = `-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----`



global.navigator = {
    appName: 'nodejs'
}; 
global.window = {}; 
const JSEncrypt = require('jsencrypt').default;

const crypt = new JSEncrypt({
    default_key_size: 512
});


const rawStr = 'helloworld'

const n1cypt = new JSEncrypt();
n1cypt.setPublicKey(publicKey);
const encrptStr = n1cypt.encrypt(rawStr);

const n2cypt = new JSEncrypt();
n2cypt.setPrivateKey(priveteKey);
const decryptStr = n2cypt.decrypt(encrptStr);

console.log(rawStr, '\n', encrptStr, '\n', decryptStr);

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from Crypto.PublicKey import RSA
from Crypto.Cipher import PKCS1_v1_5 as Cipher_PKCS1_v1_5

private_key = """-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----"""

public_key = """-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDSLffg4ztiN4J7eSWhw3kIrrsM
5IMnkYMAxJgWDaIXwo7mJRpCdYkQtxLPnbE+zFklL1BLS923MFtAz5uLpIkf0LiV
YoaAdGMMVfEfusnW8GcWPMse/0jMZkb9RdSI7othUETJNYadUdBQ2tZoGryHJ6N2
DU7RVvt+6KiysCGbXQIDAQAB
-----END PUBLIC KEY-----"""

msg = "helloworld"

keyPub = RSA.importKey(public_key)
cipher = Cipher_PKCS1_v1_5.new(keyPub)
cipher_text = cipher.encrypt(msg.encode())  
print("cipher text->", cipher_text)


keyPriv = RSA.importKey(private_key)
cipher = Cipher_PKCS1_v1_5.new(keyPriv)
decrypt_text = cipher.decrypt(cipher_text, None).decode()  
print("decrypted msg->", decrypt_text)
assert msg == decrypt_text