RSADecrypt.sagews

def ASCIIDepad(Number):
    n = Number.ndigits() % 3;
    if (n > 0):
        print("This is not a padded ASCII string\n");
    else:
        L = [((Number - (Number % (1000^i)))/1000^i)%1000 - 100 for i in range(Number.ndigits()/3)];
        N = "";
        for i in range(Number.ndigits()/3):
            N = chr(L[i]) + N;
    return(N);

def decrypt(encr,decrexp,encrmod):
    D = power_mod(encr,decrexp,encrmod);
    N = ASCIIDepad(D);
    return(N);

N = 1482760822483005142781116293890610327291726025044543235669647945741530109971726574457552857304224921443513064111613981873609998778320098691623156630155332649925032521458438419998872039380369;
d = 532642237202632915367973814310219243784406436181049511842494893130452563776251293737179181748679106526065681459952847088227602345995022950272976556734037511907028690595634030197610786772787;

E = 924867268501755906319811358042791176148156640028726779804063801260107063522282458112018667121990281042052995856352143510265672958018043298812945072311407921230139742687610115617023962997759;
S = decrypt(E,d,N);

print(S);

Crypto is used everywhere.