From f7cbf5ac5034cacea9ea47c004f3d27e949a01b3 Mon Sep 17 00:00:00 2001
From: Jeroen Nijhof <jeroen@jeroennijhof.nl>
Date: Tue, 21 Jun 2016 17:03:49 +0200
Subject: [PATCH] Ignore precompiled python files and add ability to create
 lorawan packets

---
 .gitignore                   |   1 +
 AES_CMAC.pyc                 | Bin 2378 -> 0 bytes
 DataPayload.pyc              | Bin 3380 -> 0 bytes
 Direction.pyc                | Bin 854 -> 0 bytes
 FHDR.pyc                     | Bin 2464 -> 0 bytes
 JoinAcceptPayload.py         |   4 ++--
 JoinAcceptPayload.pyc        | Bin 3612 -> 0 bytes
 JoinRequestPayload.py        |   5 ++++-
 JoinRequestPayload.pyc       | Bin 1934 -> 0 bytes
 MType.pyc                    | Bin 1020 -> 0 bytes
 MacPayload.py                |   4 +---
 MacPayload.pyc               | Bin 2911 -> 0 bytes
 MajorVersion.pyc             | Bin 852 -> 0 bytes
 MalformedPacketException.pyc | Bin 608 -> 0 bytes
 PhyPayload.py                |  29 ++++++++++++++---------------
 PhyPayload.pyc               | Bin 3827 -> 0 bytes
 __init__.py                  |   7 +++++--
 __init__.pyc                 | Bin 335 -> 0 bytes
 18 files changed, 27 insertions(+), 23 deletions(-)
 create mode 100644 .gitignore
 delete mode 100644 AES_CMAC.pyc
 delete mode 100644 DataPayload.pyc
 delete mode 100644 Direction.pyc
 delete mode 100644 FHDR.pyc
 delete mode 100644 JoinAcceptPayload.pyc
 delete mode 100644 JoinRequestPayload.pyc
 delete mode 100644 MType.pyc
 delete mode 100644 MacPayload.pyc
 delete mode 100644 MajorVersion.pyc
 delete mode 100644 MalformedPacketException.pyc
 delete mode 100644 PhyPayload.pyc
 delete mode 100644 __init__.pyc

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0d20b64
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.pyc
diff --git a/AES_CMAC.pyc b/AES_CMAC.pyc
deleted file mode 100644
index 536f3f8f59daef6a3d5c540938f4df7bfd3e8366..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 2378
zcmb_dZBHXr6h3$Q0xgAB7ARz+ON<|?S*hR$HBokf)fj;qhE3M3ZYH%ez(70g&I|!I
zooIr|{wlxthcxjAtj}}qwz$Sm8wzvg-gD1A_q;s!ncUyA<>6ZJq${s~IlLd@Nxp*c
z@o%Ij(l^pJVmNoC=SV*%?VR-U(#}Jh6Tc{aUVam~7J1q(h+mMy#uPk+ukdRaj8b~u
z`uecpaFT}@cDiS25rgwchtt-;+u7gRnZ(1b+jx@u5P>iZM1hmq4rAj0$2&U63qql$
zAnsu!j}2WOR>8x`4xZ#Mh*ad%$jHdGk<5{iBd2gSqthG%g_{v%URJNMP>_`@|AzYB
zSY4124lT;&2suy5gKd9W9%e=16k454sSOt6mol0Xza*_}N+OXFipH(bO}0*}$#`o?
zZMgLh8I|nT61Sp$ewmBde4Uf5Jl0@;Ni{Pvg29X&Ip_o{&`McK32P7u%d&Y8vf?2g
z3Aq+Nfanz<Uj1VKsuI4$G-2yD4-Qi9{qL{A4KB6X;V8IB+4vyp##h7C<w-8RYY^J^
zB<LM!FuQ6AOnB=XpQ~msrMJCr!{ZY*-P;>nC`5MGRmauc^@(!hM!7*H58GY0uZ;#K
zq9XYeqvpw=A2d&cco0O*B<?nQgSd0iiJHT!^kfiyJf1QfB5)1*GWHz@k(ZqRd=^~s
z@Z>!RF;%DP)J@%4GILJZ%ue3(X5Q(tTC`;u6m#EW0IX&?x!flBkg5eA@b~E1ngCsZ
z8^T5fu>eS|V1*Na(@wUasKdeY6?p<%dy87|g%pWxty|oQjsxvNFNpNrJ&E-_h<)29
zc3kVzvSn&*Xx+b48Qwz4nDpf!W=C17ga?W#niX^3=xt=QliT<aCajF!Wn^Q^vW!GA
z!mX}PZsPJn{ZLbASp*YOzq)j!*j0*g>zHaeT+Nd<t#k&mJBX6h+fKq4fx>Cn@%Mu0
z7Sd&};p_vv5>gpctr>;DJD5!pJwPlL0-zJJ$-gNGEP^R|t&H@OBVZ6vgarT^kA^R1
zxY^SrrZY$4AIVM7;ErVAgXSBiORtSy5ENXl>CU`-HrYX3!C79G;d<d7=mV?)>$7Qz
zf7f8ZEXpq+x@<<GyJIEd1fP{jm82eB1w^xoT<%J0V}x5QKYI3sWU~rkNFIaySF^dX
zr;3c`)IpVOc?znlDgjsI`Jccz4nhoIvC97$A*C8F0V{6tV3EKEC>&hgzXq?bGLuU~
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zaFw`=)b&xXbF3F|--{G@`(Ce;q-ybl`!0=%pnWe?)l-#^ZvmG~7!*A4gAXxEK7k-K
zi%!)nnwnF=xCGWJfxU{(ys4N)=dM#Ubpr-7ckomltu9(B;(1Z0A9$Xo?Rouyf8N8?
z7WAfYO_<(<uA{eQUYAwj<x&1XtShBrsnD|CnOiywvBNLSU~MNHo&>S|1aU1%<MVE+
bA07Mop|e{GOzZKbt-vPxoG{9oS#tgXh%unN

diff --git a/DataPayload.pyc b/DataPayload.pyc
deleted file mode 100644
index 4673f892a5f4072c7c37ab9ad0d0c85dedf2a7a0..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 3380
zcmb_eTW{P%6h7m<WG_h*)N9(5^adCeH3$Sj0-=T!P$h_v^AHgUS;lq~Z}*a{r!<jv
zpMv-uJn#yC4&LGW&aAzgs%a&fUC;5H8T-tcbH4A4D}OJv-oKme#4`C+aDRxFZ$c!v
zjC4hMBD*4nx+h&DJx_K$r&pv~k==?URY~fS)Z|x@6OkWxp;u(vpM#z3U;KQ7o^3#E
ze7zlRe!sElMz|tIwrm@nN0E(wh>p91D2bu!kMDhjmVXP8!V^Qsunb&)d+cC&PdmCO
zM{0D4ox-QxIr_(uh6K*7m`k&HXq#yH6^N0Mkw}P+ryX5wTYcT~`J_79i{kLWIcmAZ
zN#CbATZPEe?vsF8K+Q*UB40yqZGX^9*E;ENkoMQ|VZ7EI45Q~!f9*TmcW|GH!-Iok
zjanFH{mh183-9N&DW+*+28XTO!U7Zv=S4b3P7E@@>51p`r<?YjOB@es5O3&Q-5K4p
z`xns5>4{7o<0=|kMu}cY>5@92(K%07>>xxe-@<BzD_o*z>dH##3X_dASLCE}MzR<2
zY}${9#|O4ZxC<XGYWOUp`ZPVZP27`gn8r36^c4gN;QWTsB`fl@T>BE$Nr>qIgU=l5
zzWzZ6jMy_WuF42p06~gtuPW<q6dT49g`ycDRM7D#Up9gGloPNxef<@R1{B%uRQdAN
z={tz_jN;a>6${upd*hmnYSNiwy+BxzB_J8sM1@5+g3VRs*0#?GY-NujGc?JFr;Oq8
z$rh!da%c~Me6pVmmBLh#^p_}s&a$MFao+}10wyy+6L_Qu7$m7?I=4g3^v}mOjfTVM
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z5I$?2;w<Z12fWDcJHVw`H(=q_k_87uhEabnbq5nmTR;l|Ed(Tun(3#{gNqztvC)xU
zbfEXaFwxU)QV@N`JFU(jpJtu{TOyIlObHZc2m9$z2Xf?r2WFC_Nl{Xr`^nLH9G2Wx
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z)@TJTSW{<Si(;w84QMGZWsQy&wb>~k3#y=2M8}<VR~Sjya$-WK!l**$H3}$DvZf}7
zAAvPZ>9qJ|1LBm`maIVuULbJ*(9UA<0IGFSk;$5d?z$;Q->~lC+|gZsM#@cAQq}<F
zAP&k+%TcEF63R5?(07z+%hAU)2V}VFqej6O7;P*6>fj3u;^z3$mcudl(ta&p6!ObR
zY{1GH+@MgB@VnqlY6LeqTk;}!o9ZgXEeM}LdEpQU_$?OPrnp0Km*O79I~4Cy5Sixy
z`he%07I%m8)z_lj#}msyxzB@6&%ZG2N4+!*Q9<$j8}<gtvo6#?kGJWWNb&~PD0r0V
z!qYQNd;jMXH{dr77s+YA?lr5;ivE|HE6%)@8O#xo*egHC1`js1tZ3<S$)uTca7P33
Sg$u!#tOGftuw<6Zy!RiM;!6Pl

diff --git a/Direction.pyc b/Direction.pyc
deleted file mode 100644
index f36eed0caeae3b426f5f74cf127752d6d04f57b8..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 854
zcmbtSO-sW-5S>lhXp24j7jn_uMMShmsj@|ixhy4FZAzO+HX=fA`lI|`{sG_HH0@EO
zA@i}5nYV9d68?;a-xrHnCfg^3y@t3`s2p!7xsorDPm!k-=Rl@$58s*r)VQc^))ZB_
zt5=BLKwJW4MN&nSG$2X}tbkZ)kGORDlJ~q5iJr!N)D#dY2$Ka+o!r8ABdCp%jfnB&
zrZMv-UVA=y$0uf8L!QpAo;A~ANUPi#ykt?WZL+j=Wy{3XS+c6?`TM*~?qFxIyWY-U
zKbm7y7*mu*V@w3!5nohB;7&ZnBLu*2DHzk9TuXpw&BBAIgaCN4zTJ*RHze9W2i0<6
zs^@a}Y)Hu2=7ff@qGC>AJF{}Ww#GC=M2uNi`P+&|<~=_61&!}#6HN@wb!q+s`}uh9
m|NGJa@q2N+Hwq#Z1%q%9PFiHY2&No-k#F*{ZR?7#j<CNm>zt|p

diff --git a/FHDR.pyc b/FHDR.pyc
deleted file mode 100644
index aae30b0c0bad625ea5a98ac5b5294637ea130ceb..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 2464
zcmb_d%Wl&^6usl5kMu!Hd6X`YS|L!75Ruq)gHU-2B#4l^sOZMBY$tW=*pWRgR4N<F
zAM*il&Yiqim82w@>w9L#Gv}UrXHxsMy0rB$J&0uRso}YYR_(&X_!-GWdLoA+hS-zL
zNY9f)54a}ryu@|+DRL?D<q&vI_L~cMH~o!I)4;R$U_OOerzm?#{5gzH68rXBl=N*{
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z7e+xpJkN?SZUTy$ineuB^pe(bQWi<xs>-O96=nD}%v&GvJiwFLd)hy@i<le)X`b33
zXu#J1#B7)~Z`G`tbrUhQY$UDXG7hAPTEMBx-li+2wu_Z>Q*zaSUFeKai^yk$&g0HX
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z$-vjJxSP*lT+Wd5>qKRX0ExPT<p!CU*DNp>qfAg?jgR}gu!bx-q%5zmF$=7l*kDkb
z_W_4O4@Djcy-Fe~ae$KGksy(_BSF!$cvU6G4qdZUD>+qTPTPbeF-Sf)y-J+_Q-C}w
z6h{y11Arlo>7-FIe8owl5NH-@^zaTDJ(^%N6y+*mSkc$78Xg2EOl}`fu$WF4<ucYq
zAr_lO7ZPI0@G^ZeLFiv)8DCvoY1X4Xsu$kmtqB^_>GJo5<L)0UHj6H!dLg4{V@6G$
z<-y-V9`=$TuuJF(f?g4yW`I7S&y(nLs(*uq{|Wv&%}pBK%Kj~y+cdn+#>%NT)qU?%
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Bs|)}D

diff --git a/JoinAcceptPayload.py b/JoinAcceptPayload.py
index 8fdd2a4..3e182ac 100644
--- a/JoinAcceptPayload.py
+++ b/JoinAcceptPayload.py
@@ -49,7 +49,7 @@ def get_rxdelay(self):
     def get_cflist(self):
         return self.cflist
 
-    def compute_mic(self, key, mhdr):
+    def compute_mic(self, key, direction, mhdr):
         mic = []
         mic += self.to_clear_raw()
         mic += [mhdr]
@@ -57,7 +57,7 @@ def compute_mic(self, key, mhdr):
         cmac = AES_CMAC()
         return cmac.encode(str(bytearray(key)), str(bytearray(mic)))[:4]
 
-    def decrypt_payload(self, key):
+    def decrypt_payload(self, key, direction):
         a = []
         a += self.encrypted_payload
         a += self.mic
diff --git a/JoinAcceptPayload.pyc b/JoinAcceptPayload.pyc
deleted file mode 100644
index 6b9aa0e62b5cb9855835ffd11130772da214d757..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 3612
zcmcInO>f&q5FJt<mTW6=oqnZXR@wwrQNTul2EGJEUBibKjS#F3Nqr$$a&1$lNP*nM
z5s+N!{<H$^|LL_r``(a})1;TEim6@B%r3ca-wtQSjX!(qzu!$BMpFMZaQ_yq+(#GV
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zJdV(dU#&K3^-_zG{z#+oFkx~TX#RK`l0g&AGe~lIY&A)iu5kPsex5l*jv|~@^BK8y
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zU`j=1FAT%K`FL)bgi{^Ki>d&qtBEU4%_p47H-uHjPo`(KP(!&2HVsqYJ+zXsfE4yX
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zo9Z2ObycOs*h{3E&pC-4nlI3;f=tH%Q6J&F^gDuS!7ZvJ<#xb{b!nA_6B`6t@&&;p
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vR=4rW)#-MJ)ryQDRoq|*KV)f~?;fhtRwu>Rtqhz}c&{Su8!lb4Bg_8)h4H>l

diff --git a/JoinRequestPayload.py b/JoinRequestPayload.py
index 0505953..f77dd48 100644
--- a/JoinRequestPayload.py
+++ b/JoinRequestPayload.py
@@ -29,9 +29,12 @@ def get_deveui(self):
     def get_devnonce(self):
         return self.devnonce
 
-    def compute_mic(self, key, mhdr):
+    def compute_mic(self, key, direction, mhdr):
         mic = [mhdr]
         mic += self.to_raw()
 
         cmac = AES_CMAC()
         return cmac.encode(str(bytearray(key)), str(bytearray(mic)))[:4]
+
+    def decrypt_payload(self, key, direction):
+        return self.to_raw()
diff --git a/JoinRequestPayload.pyc b/JoinRequestPayload.pyc
deleted file mode 100644
index 5b746af4b3f123359c904e786afe9e0d2b843884..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 1934
zcmcIl!EVz)5S_Ktv?&y-3IRewN>AiO#D!iEqC^z}(Wr6`h+HgVZ&SCi9qdgZQhK5M
zF+ae2<AfGfTp+aG*_qwd%$qm66aUB7=H8R^LoACwAM-1W>H$Q8&zHo=cackxk3-m=
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diff --git a/MType.pyc b/MType.pyc
deleted file mode 100644
index 7f7649a18a0b2bf410a3222c13883e7e41050ce4..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 1020
zcmbtSO>Yx15PjaH`D$AA01`(I2$l=EaYE3Lrcx`|1Se6{y;!TYOWp2Av}-;pg$v~$
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z(T0F?+Yaa3Avh{NCYjX_b4T@uOy%3*r;=s}S%PDIwaHGslb`8Ia%f1lf%++VgR?R>
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zF`muc_RYd@G#XFmj;mTkqe*nA4u<ogT1?&EA4><5W#kjxiQ<E|3qFPg%EN`{n99ji
z9*yTic_R5zCI2tCrF-x1E<<t$nWDZ&&<a}O&Kq>w(I!9l#{Uxj#D8)6-oDs$^Ck29
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diff --git a/MacPayload.py b/MacPayload.py
index 1d1b4e5..b713b22 100644
--- a/MacPayload.py
+++ b/MacPayload.py
@@ -31,9 +31,7 @@ def __init__(self, mtype, mac_payload):
             self.frm_payload = DataPayload(self, mac_payload[self.fhdr.length() + 1:])
 
     def length(self):
-        if self.frm_payload == None:
-            return self.fhdr.length()
-        return self.fhdr.length() + 1 + self.frm_payload.length()
+        return len(self.to_raw())
 
     def to_raw(self):
         mac_payload = []
diff --git a/MacPayload.pyc b/MacPayload.pyc
deleted file mode 100644
index e6278138146222abeff3dd6418c532229edc67f1..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 2911
zcmb_eUvC>l5TCs}J8?>I+R}zXD_W2$Kh;74RYIjAIH@QCC#(}i^~>pWcTViwA9J^*
zjT9arNIdXy_%wV2-uVD9zuCK72&ih3+TOjH+u7Nf-~4vh?qADGe|$RK4XOIL{QQDj
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fMwA;+t~+sb`FI4HM;467xDe#%TH!;h`a1sr$AlAN

diff --git a/MajorVersion.pyc b/MajorVersion.pyc
deleted file mode 100644
index 9d50334216fbd580424d49fe6e346465ea0d5516..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 852
zcmb_aO>fjN5PkM;x3DaQ3lhh@ROCe9zztO`hyzl)Ag{!Vy;xD=(roil#cpY(a-sdl
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z<Xv?fB&bh{&Pefu)`Ne+C_QOwmu_6wx+e8qo>py_ea)KmkbXsfB>cm;o}XPsGHc7G
z4AyS5fERYCsd}VlI+r>AvN#V(=|`}P_p^xDE0IJa;{H{W^!3Gs9Xc;J0hMeK2dzz3
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LJt2;bKh{41u0pE8

diff --git a/MalformedPacketException.pyc b/MalformedPacketException.pyc
deleted file mode 100644
index 59580f0fa77d29968770d1af75c5378bb2bdb221..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 608
zcmcIhJx{|h5PeP&AC=e`5DRM-@E<@3ffzw38Bn`eQR2{)*p6Z&sMM|eWBvelHk64C
zEWNYOclYl3Joz}B?wvM|HNMt__A7!vA=3aFXayR9cVGj|=Hz53bIuFLWbUfIb)(VE
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diff --git a/PhyPayload.py b/PhyPayload.py
index 15673dd..4bfa1a3 100644
--- a/PhyPayload.py
+++ b/PhyPayload.py
@@ -9,11 +9,22 @@
 
 class PhyPayload:
 
-    def __init__(self, packet):
+    def __init__(self):
+        self.direction = Direction(Direction.UP)
+
+    def length(self):
+        return len(self.to_raw())
+
+    def to_raw(self):
+        phy_payload = [self.mhdr]
+        phy_payload += self.mac_payload.to_raw()
+        phy_payload += self.mic
+        return phy_payload
+
+    def packet(self, packet):
         if len(packet) < 12:
             raise MalformedPacketException("Invalid lorawan packet");
 
-        self.direction = Direction(Direction.UP)
         self.mhdr = packet[0]
         self.mversion = MajorVersion(self.mhdr)
         self.mtype = MType(self.mhdr)
@@ -51,20 +62,8 @@ def get_mic(self):
     def set_mic(self, mic):
         self.mic = mic
 
-    def to_raw(self):
-        phy_payload = [self.mhdr]
-        phy_payload += self.mac_payload.to_raw()
-        phy_payload += self.mic
-        return phy_payload
-
     def compute_mic(self, key):
         return self.mac_payload.frm_payload.compute_mic(key, self.get_direction(), self.get_mhdr())
 
-    def decrypt_payload(self, key):
+    def get_payload(self, key):
         return self.mac_payload.frm_payload.decrypt_payload(key, self.get_direction())
-
-    def encrypt_payload(self, key, data):
-        return self.mac_payload.frm_payload.encrypt_payload(key, self.get_direction(), data)
-
-    def set_payload(self, key, data):
-        return self.mac_payload.frm_payload.set_payload(key, self.get_direction(), data)
diff --git a/PhyPayload.pyc b/PhyPayload.pyc
deleted file mode 100644
index cfa82f5403ecad5116a8763fc45ecdfa3a35f7d0..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 3827
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diff --git a/__init__.py b/__init__.py
index 19c46eb..dab818a 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,4 +1,7 @@
 from PhyPayload import PhyPayload
 
-def new(packet):
-  return PhyPayload(packet)
+def new(packet = None):
+    phy_payload = PhyPayload()
+    if packet:
+        phy_payload.packet(packet)
+    return phy_payload
diff --git a/__init__.pyc b/__init__.pyc
deleted file mode 100644
index d5922696445d6adc64d11547703350d30d2941ac..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 335
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