def fermat_factor_attack(ciphertexts):
options = dict(feathermodules.current_options)
options = prepare_options(options, ciphertexts)
if options == False:
print '[*] Could not process options.'
return False
answers = []
for ciphertext in ciphertexts:
try:
key = RSA.importKey(ciphertext)
if key.has_private():
continue
else:
modulus = key.n
exponent = key.e
except:
continue
factors = ca.fermat_factor(modulus, minutes=options['minutes_to_wait'], verbose=True)
if factors[0] != 1:
answers.append( (modulus, exponent, ca.derive_d_from_pqe(factors[0],factors[1],exponent)) )
for answer in answers:
key = RSA.construct(answer)
print "Found private key:\n%s" % key.exportKey()
return ''
def fermat_factor_attack(ciphertexts):
arguments = get_arguments(ciphertexts)
answers = []
for ciphertext in ciphertexts:
try:
key = RSA.importKey(ciphertext)
if key.has_private():
continue
else:
modulus = key.n
exponent = key.e
except:
continue
factors = ca.fermat_factor(modulus,
minutes=arguments['minutes'],
verbose=True)
if factors[0] != 1:
answers.append((modulus, exponent,
ca.derive_d_from_pqe(factors[0], factors[1],
exponent)))
for answer in answers:
key = RSA.construct(answer)
print "Found private key:\n%s" % key.exportKey()
return ''
def rsa_wiener_attack(ciphertexts):
options = dict(feathermodules.current_options)
options = prepare_options(options, ciphertexts)
if options == False:
print '[*] Could not process options.'
return False
answers = []
for ciphertext in ciphertexts:
try:
key = RSA.importKey(ciphertext)
if key.has_private():
continue
else:
modulus = key.n
exponent = key.e
except:
continue
p = ca.wiener(modulus, exponent, minutes=options['minutes_to_wait'], verbose=True)
if p != 1:
answers.append( (modulus, exponent, ca.derive_d_from_pqe(p,modulus/p,exponent)) )
for answer in answers:
key = RSA.construct(answer)
print "Found private key:\n%s" % key.exportKey()
if len(answers) == 0:
return False
else:
return ['N:{},e:{},d:{}'.format(answer) for answer in answers]
def wiener_attack(ciphertexts):
arguments = get_arguments(ciphertexts)
answers = []
for ciphertext in ciphertexts:
try:
key = RSA.importKey(ciphertext)
if key.has_private():
continue
else:
modulus = key.n
exponent = key.e
except:
continue
p = ca.wiener(modulus, exponent, minutes=arguments['minutes'], verbose=True)
answers.append((modulus, exponent, p))
for n, e, p in answers:
try:
d = ca.derive_d_from_pqe(p, n/p, e)
key = RSA.construct((n, e, d))
print "Found private key:\n%s" % key.exportKey()
except:
print "\nAttack failed, key is too strong."
return ''
def fermat_factor_attack(ciphertexts):
options = dict(feathermodules.current_options)
options = prepare_options(options, ciphertexts)
if options == False:
print '[*] Could not process options.'
return False
answers = []
for ciphertext in ciphertexts:
try:
key = RSA.importKey(ciphertext)
if key.has_private():
continue
else:
modulus = key.n
exponent = key.e
except:
continue
factors = ca.fermat_factor(modulus,
minutes=options['minutes_to_wait'],
verbose=True)
if factors[0] != 1:
answers.append((modulus, exponent,
ca.derive_d_from_pqe(factors[0], factors[1],
exponent)))
for answer in answers:
key = RSA.construct(answer)
print "Found private key:\n%s" % key.exportKey()
return ''
def wiener_attack(ciphertexts):
arguments = get_arguments(ciphertexts)
answers = []
for ciphertext in ciphertexts:
try:
key = RSA.importKey(ciphertext)
if key.has_private():
continue
else:
modulus = key.n
exponent = key.e
except:
continue
p = ca.wiener(modulus,
exponent,
minutes=arguments['minutes'],
verbose=True)
answers.append((modulus, exponent, p))
for n, e, p in answers:
try:
d = ca.derive_d_from_pqe(p, n / p, e)
key = RSA.construct((n, e, d))
print "Found private key:\n%s" % key.exportKey()
except:
print "\nAttack failed, key is too strong."
return ''
def fermat_factor_attack(ciphertexts):
arguments = get_arguments(ciphertexts)
answers = []
for ciphertext in ciphertexts:
try:
key = RSA.importKey(ciphertext)
if key.has_private():
continue
else:
modulus = key.n
exponent = key.e
except:
continue
factors = ca.fermat_factor(modulus, minutes=arguments['minutes'], verbose=True)
if factors[0] != 1:
answers.append( (modulus, exponent, ca.derive_d_from_pqe(factors[0],factors[1],exponent)) )
for answer in answers:
key = RSA.construct(answer)
print "Found private key:\n%s" % key.exportKey()
return ''