def testC02RSAPGPSignature(self):
"crypto.signature: verify_RSA() One-Pass v3 by hand"
rsakey = list_pkts(rsapubkey_d)[0].body
onepass, lit, sig = [x.body for x in list_pkts(rsasig_d)]
# again, we know that this was signed using SHA1 (ignoring onepass)..
msg = sha.new(lit.data + sig.hashed_data).digest()
# ..and know that this is the "full hash prefix" we need:
prefix = '\x30\x21\x30\x09\x06\x05\x2b\x0E\x03\x02\x1A\x05\x00\x04\x14'
# by hand count (and assumption that range = length of RSA modulus):
PS = ''
for i in range (90):
PS += '\xff'
context = '\x00\x01' + PS + '\x00' + prefix + msg
keytup = (rsakey.RSA_n.value, rsakey.RSA_e.value)
self.assertEqual(1, verify_RSA(context, sig.RSA.value, keytup))
def testC02RSAPGPSignature(self):
"crypto.signature: verify_RSA() One-Pass v3 by hand"
rsakey = list_pkts(rsapubkey_d)[0].body
onepass, lit, sig = [x.body for x in list_pkts(rsasig_d)]
# again, we know that this was signed using SHA1 (ignoring onepass)..
msg = sha.new(lit.data + sig.hashed_data).digest()
# ..and know that this is the "full hash prefix" we need:
prefix = '\x30\x21\x30\x09\x06\x05\x2b\x0E\x03\x02\x1A\x05\x00\x04\x14'
# by hand count (and assumption that range = length of RSA modulus):
PS = ''
for i in range(90):
PS += '\xff'
context = '\x00\x01' + PS + '\x00' + prefix + msg
keytup = (rsakey.RSA_n.value, rsakey.RSA_e.value)
self.assertEqual(1, verify_RSA(context, sig.RSA.value, keytup))
def testB02RSAsignature(self):
"crypto.signature: sign_RSA()/verify_RSA() sanity"
sig = sign_RSA(txt, (rsakey.n, rsakey.d))
ret = verify_RSA(txt, sig, (rsakey.n, rsakey.e))
self.assertEqual(ret, 1)
def testB02RSAsignature(self):
"crypto.signature: sign_RSA()/verify_RSA() sanity"
sig = sign_RSA(txt, (rsakey.n, rsakey.d))
ret = verify_RSA(txt, sig, (rsakey.n, rsakey.e))
self.assertEqual(ret, 1)