mirror of
https://github.com/moparisthebest/mailiverse
synced 2024-11-19 07:25:05 -05:00
48 lines
1.1 KiB
Python
48 lines
1.1 KiB
Python
|
#!/usr/bin/python
|
||
|
|
|
||
|
|
import botan
|
||
|
|
|
||
|
|
def make_into_c_array(ber):
|
||
|
|
output = 'static unsigned char key_data[%d] = {\n\t' % (len(ber))
|
||
|
|
|
||
|
|
for (idx,c) in zip(range(len(ber)), ber):
|
||
|
|
if idx != 0 and idx % 8 == 0:
|
||
|
|
output += "\n\t"
|
||
|
|
output += "0x%s, " % (c.encode('hex'))
|
||
|
|
|
||
|
|
output += "\n};\n"
|
||
|
|
|
||
|
|
return output
|
||
|
|
|
||
|
|
rng = botan.RandomNumberGenerator()
|
||
|
|
|
||
|
|
rsa_priv = botan.RSA_PrivateKey(768, rng)
|
||
|
|
|
||
|
|
print rsa_priv.to_string()
|
||
|
|
print int(rsa_priv.get_N())
|
||
|
|
print int(rsa_priv.get_E())
|
||
|
|
|
||
|
|
rsa_pub = botan.RSA_PublicKey(rsa_priv)
|
||
|
|
|
||
|
|
print make_into_c_array(rsa_pub.to_ber())
|
||
|
|
#print make_into_c_array(rsa_priv.to_ber())
|
||
|
|
|
||
|
|
key = rng.gen_random(20)
|
||
|
|
|
||
|
|
ciphertext = rsa_pub.encrypt(key, 'EME1(SHA-1)', rng)
|
||
|
|
|
||
|
|
print ciphertext.encode('hex')
|
||
|
|
|
||
|
|
plaintext = rsa_priv.decrypt(ciphertext, 'EME1(SHA-1)')
|
||
|
|
|
||
|
|
print plaintext == key
|
||
|
|
|
||
|
|
signature = rsa_priv.sign(key, 'EMSA4(SHA-256)', rng)
|
||
|
|
|
||
|
|
print rsa_pub.verify(key, signature, 'EMSA4(SHA-256)')
|
||
|
|
|
||
|
|
# Corrupt the signature, make sure it doesn't verify
|
||
|
|
signature = signature.replace(signature[0], '0')
|
||
|
|
|
||
|
|
print rsa_pub.verify(key, signature, 'EMSA4(SHA-256)')
|