genjix@l:~/src/enc$ ls -hl /home/genjix/.bitcoin/wallet.dat
-rw------- 1 genjix genjix 580K 2011-02-15 04:27 /home/genjix/.bitcoin/wallet.dat
genjix@l:~/src/enc$ vim enc.py
genjix@l:~/src/enc$ # key = 4096 bits
genjix@l:~/src/enc$ time python enc.py
.......++
..........................................................++
Enter passphrase:
Verify passphrase:

real    0m38.441s
user    0m32.390s
sys 0m0.290s
genjix@l:~/src/enc$ vim enc.py
genjix@l:~/src/enc$ # key = 2048
genjix@l:~/src/enc$ time python enc.py
  File "enc.py", line 34
    keypair = RSA.gen_key(2**11 65537)
                                    ^
SyntaxError: invalid syntax

real    0m0.029s
user    0m0.000s
sys 0m0.020s
genjix@l:~/src/enc$ vim enc.py
genjix@l:~/src/enc$ time python enc.py
..........................................................+++
....................................................................................................................................................+++
Enter passphrase:
Verify passphrase:
Traceback (most recent call last):
  File "enc.py", line 46, in <module>
    encrypted_blocks = [rsa.public_encrypt(blk, RSA.pkcs1_oaep_padding) for blk in blocks]
  File "/usr/lib/pymodules/python2.6/M2Crypto/RSA.py", line 51, in public_encrypt
    return m2.rsa_public_encrypt(self.rsa, data, padding)
M2Crypto.RSA.RSAError: data too large for key size

real    0m5.576s
user    0m0.910s
sys 0m0.050s