def get_public_key(private_key):
if not isinstance(private_key, crypto.PKey):
private_key = crypto.load_privatekey(crypto.FILETYPE_PEM, private_key)
bio = crypto._new_mem_buf()
cryptolib.PEM_write_bio_PUBKEY(bio, private_key._pkey)
public_key = crypto._bio_to_string(bio)
return public_key
def cert_public_key(self) -> GreppedOut:
"""
Get the public key from CERT.RSA
Returns
-------
GreppedOut : object
GreppedOut object
Examples
--------
>>> from glorifiedgrep import GlorifiedAndroid
>>> a = GlorifiedAndroid('/path/to/apk')
>>> a.cert_public_key()
"""
pkcs7 = crypto.load_pkcs7_data(crypto.FILETYPE_ASN1, self._read_cert())
certs = self._get_certificates(pkcs7)
p = certs[0].get_pubkey()
bio = crypto._new_mem_buf()
cryptolib.PEM_write_bio_PUBKEY(bio, p._pkey)
key = crypto._bio_to_string(bio)
self._cert_analysis['public_key'] = [key]
self.log_debug('')
return GreppedOut([key])
def pem_publickey(pkey):
""" Format a public key as a PEM. From https://stackoverflow.com/a/30929459/1827854"""
bio = crypto._new_mem_buf()
cryptolib.PEM_write_bio_PUBKEY(bio, pkey._pkey)
return crypto._bio_to_string(bio)
if email:
formatted_res += "Subject Owner email is: " + email.decode('utf-8') + '\n'
####################
# Get cert version #
####################
cert_ver = reqObj.get_version()
formatted_res += "\nCertificate Version number: " + str(cert_ver) + '\n'
################################
# Format a public key as a PEM #
################################
bio = crypto._new_mem_buf()
cryptolib.PEM_write_bio_PUBKEY(bio, reqObj.get_pubkey()._pkey)
pubkey = crypto._bio_to_string(bio)
pubkey_size = reqObj.get_pubkey().bits()
formatted_res += "\nPublic key size: " + str(pubkey_size) + '\n'
formatted_res += "Public key:\n\n" + pubkey.decode('utf-8') + '\n'
#########################################################
# Get all extensions of the certificate in list of dict #
#########################################################
formatted_res += "\nCertificate extensions list:\n"
extensions = {}
X509exts = reqObj.get_extensions()
def pem_publickey(pkey):
""" Format a public key as a PEM """
bio = crypto._new_mem_buf()
cryptolib.PEM_write_bio_PUBKEY(bio, pkey._pkey)
return crypto._bio_to_string(bio)
def Get_PublicKey_String_from_KeyPair(pkey):
""" Format a public key as a PEM """
bio = crypto._new_mem_buf()
cryptolib.PEM_write_bio_PUBKEY(bio, pkey._pkey)
return crypto._bio_to_string(bio)