Python M2Crypto: Encrypt Message Example.py

def encrypt_RSA(public_key_loc, message):
    '''
    param: public_key_loc Path to public key
    param: message String to be encrypted
    return base64 encoded encrypted string
    '''
    from M2Crypto import RSA, BIO 
    key = open(public_key_loc, "r").read() 
    pubkey = str(key).encode('utf8') 
    bio = BIO.MemoryBuffer(pubkey) 
    rsa = RSA.load_pub_key_bio(bio) 
    encrypted = rsa.public_encrypt(message, RSA.pkcs1_oaep_padding)
    return encrypted.encode('base64')