def getKeyPair(pubkeyfile, privkeyfile): """ This function looks for RSA keypair files in the current directory. If they do not exist, the keypair is created. """ if not (os.path.exists(pubkeyfile) and os.path.exists(privkeyfile)): # No keypair exists. Generate a new RSA keypair print(" Generating SSH RSA keypair ...", end=' ') from Crypto.PublicKey import RSA KEY_LENGTH = 1024 rsaKey = Key(RSA.generate(KEY_LENGTH)) publicKeyString = rsaKey.public().toString(type="OPENSSH") privateKeyString = rsaKey.toString(type="OPENSSH") # save keys for the future. file(pubkeyfile, 'w+b').write(publicKeyString) file(privkeyfile, 'w+b').write(privateKeyString) print(" done.") else: publicKeyString = file(pubkeyfile).read() privateKeyString = file(privkeyfile).read() return Key.fromString(publicKeyString), Key.fromString(privateKeyString)
def getKeyPair(pubkeyfile, privkeyfile): """ This function looks for RSA keypair files in the current directory. If they do not exist, the keypair is created. """ if not (os.path.exists(pubkeyfile) and os.path.exists(privkeyfile)): # No keypair exists. Generate a new RSA keypair print(" Generating SSH RSA keypair ...", end=' ') from Crypto.PublicKey import RSA KEY_LENGTH = 1024 rsaKey = Key(RSA.generate(KEY_LENGTH)) publicKeyString = rsaKey.public().toString(type="OPENSSH") privateKeyString = rsaKey.toString(type="OPENSSH") # save keys for the future. file(pubkeyfile, 'w+b').write(publicKeyString) file(privkeyfile, 'w+b').write(privateKeyString) print(" done.") else: publicKeyString = file(pubkeyfile).read() privateKeyString = file(privkeyfile).read() return Key.fromString(publicKeyString), Key.fromString(privateKeyString)
def getKeyPair(pubkeyfile, privkeyfile): """ This function looks for RSA keypair files in the current directory. If they do not exist, the keypair is created. """ if not (os.path.exists(pubkeyfile) and os.path.exists(privkeyfile)): # No keypair exists. Generate a new RSA keypair from Crypto.PublicKey import RSA rsa_key = Key(RSA.generate(_KEY_LENGTH)) public_key_string = rsa_key.public().toString(type="OPENSSH") private_key_string = rsa_key.toString(type="OPENSSH") # save keys for the future. with open(privkeyfile, 'wt') as pfile: pfile.write(private_key_string) print("Created SSH private key in '{}'".format(_PRIVATE_KEY_FILE)) with open(pubkeyfile, 'wt') as pfile: pfile.write(public_key_string) print("Created SSH public key in '{}'".format(_PUBLIC_KEY_FILE)) else: with open(pubkeyfile) as pfile: public_key_string = pfile.read() with open(privkeyfile) as pfile: private_key_string = pfile.read() return Key.fromString(public_key_string), Key.fromString(private_key_string)
def getKeyPair(pubkeyfile, privkeyfile): """ This function looks for RSA keypair files in the current directory. If they do not exist, the keypair is created. """ if not (os.path.exists(pubkeyfile) and os.path.exists(privkeyfile)): # No keypair exists. Generate a new RSA keypair from Crypto.PublicKey import RSA rsa_key = Key(RSA.generate(_KEY_LENGTH)) public_key_string = rsa_key.public().toString(type="OPENSSH") private_key_string = rsa_key.toString(type="OPENSSH") # save keys for the future. with open(privkeyfile, 'wt') as pfile: pfile.write(private_key_string) print("Created SSH private key in '{}'".format(_PRIVATE_KEY_FILE)) with open(pubkeyfile, 'wt') as pfile: pfile.write(public_key_string) print("Created SSH public key in '{}'".format(_PUBLIC_KEY_FILE)) else: with open(pubkeyfile) as pfile: public_key_string = pfile.read() with open(privkeyfile) as pfile: private_key_string = pfile.read() return Key.fromString(public_key_string), Key.fromString( private_key_string)
def getKeyPair(pubkeyfile, privkeyfile): """ This function looks for RSA keypair files in the current directory. If they do not exist, the keypair is created. """ if not (os.path.exists(pubkeyfile) and os.path.exists(privkeyfile)): # No keypair exists. Generate a new RSA keypair from cryptography.hazmat.backends import default_backend from cryptography.hazmat.primitives.asymmetric import rsa rsa_key = Key( rsa.generate_private_key(public_exponent=65537, key_size=_KEY_LENGTH, backend=default_backend())) public_key_string = rsa_key.public().toString(type="OPENSSH").decode() private_key_string = rsa_key.toString(type="OPENSSH").decode() # save keys for the future. with open(privkeyfile, "wt") as pfile: pfile.write(private_key_string) print("Created SSH private key in '{}'".format(_PRIVATE_KEY_FILE)) with open(pubkeyfile, "wt") as pfile: pfile.write(public_key_string) print("Created SSH public key in '{}'".format(_PUBLIC_KEY_FILE)) else: with open(pubkeyfile) as pfile: public_key_string = pfile.read() with open(privkeyfile) as pfile: private_key_string = pfile.read() return Key.fromString(public_key_string), Key.fromString( private_key_string)