Adding pynacl to requirements

Adding noise-c echo-like script

noise/client-script.py

@@ -0,0 +1,57 @@
+import base64
+import socket
+
+import logging
+import struct
+
+import nacl
+
+from constants import *
+
+logger = logging.getLogger(__name__)
+
+
+with open('../noise-keys/psk') as fd:
+    psk = fd.readline()
+    # psk = base64.b64decode(fd.readline())
+
+protocol_id = struct.Struct('BBBBB')
+
+noise_name = 'NoisePSK_NN_448_ChaChaPoly_BLAKE2b'
+s = socket.socket()
+s.connect(('localhost', 2000))
+
+
+def get_packed_protocol_id(name):
+    if not name.startswith('Noise'):
+        logger.info('Wrong pattern: does not begin with "Noise"')
+    name = name[5:]
+
+    if name.startswith('PSK'):
+        psk_byte = PSK.PSK_ENABLED.value
+        name = name[3:]
+    else:
+        psk_byte = PSK.PSK_DISABLED.value
+    name = name.lstrip('_')
+
+    pattern = name[:2]
+    pattern_byte = getattr(PATTERN, 'PATTERN_' + pattern).value
+
+    name = name[2:].lstrip('_')
+
+    dh = name.split('_')[0]
+    dh_byte = getattr(DH, 'DH_' + dh).value
+    name = name.lstrip(dh).lstrip('_')
+
+    cipher = name.split('_')[0]
+    cipher_byte = getattr(CIPHER, 'CIPHER_' + cipher.upper()).value
+    name = name.lstrip(cipher).lstrip('_')
+
+    hashing = name.split('_')[0]
+    hashing_byte = getattr(HASH, 'HASH_' + hashing).value
+    return protocol_id.pack(psk_byte, pattern_byte, cipher_byte, dh_byte, hashing_byte)
+
+s.send(get_packed_protocol_id(noise_name))
+s.send.
+
+# import ipdb; ipdb.set_trace()

noise/constants.py

@@ -0,0 +1,49 @@
+from enum import Enum
+
+
+class PSK(Enum):
+    PSK_DISABLED = 0x00
+    PSK_ENABLED = 0x01
+
+
+class PATTERN(Enum):
+    PATTERN_NN = 0x00
+    PATTERN_KN = 0x01
+    PATTERN_NK = 0x02
+    PATTERN_KK = 0x03
+    PATTERN_NX = 0x04
+    PATTERN_KX = 0x05
+    PATTERN_XN = 0x06
+    PATTERN_IN = 0x07
+    PATTERN_XK = 0x08
+    PATTERN_IK = 0x09
+    PATTERN_XX = 0x0A
+    PATTERN_IX = 0x0B
+    PATTERN_HFS = 0x80
+
+
+class CIPHER(Enum):
+    CIPHER_CHACHAPOLY = 0x00
+    CIPHER_AESGCM = 0x01
+
+
+class DH(Enum):
+    DH_25519 = 0x00
+    DH_448 = 0x01
+    DH_NEWHOPE = 0x02
+    DH_MASK = 0x0F
+
+
+class HYBRID(Enum):
+    HYBRID_NONE = 0x00
+    HYBRID_25519 = 0x10
+    HYBRID_448 = 0x20
+    HYBRID_NEWHOPE = 0x30
+    HYBRID_MASK = 0xF0
+
+
+class HASH(Enum):
+    HASH_SHA256 = 0x00
+    HASH_SHA512 = 0x01
+    HASH_BLAKE2s = 0x02
+    HASH_BLAKE2b = 0x03

requirements.txt

@@ -1 +1,2 @@
 nose2
+pynacl