{ 
sth:SecurityTheory
    (CRX-protocol{i:l}(sth-es(sth)) |= ... authenticates 2 messages 
    
 CRX-protocol{i:l}(sth-es(sth)) |= ... authenticates 3 messages ) }
{ Proof }
Definitions occuring in Statement : 
CRX-protocol: CRX-protocol{i:l}(s), 
CR-responder6: CR-responder6{i:l}(s), 
CR-initiator4: CR-initiator4{i:l}(s), 
authentication: prtcl |= bs authenticates n messages , 
sth-es: sth-es(s), 
security-theory: SecurityTheory, 
all:
x:A. B[x], 
and: P 
 Q, 
natural_number: $n
Definitions : 
limited-type: LimitedType, 
universe: Type, 
eq_atom: x =a y, 
eq_atom: eq_atom$n(x;y), 
set: {x:A| B[x]} , 
atom: Atom$n, 
dep-isect: Error :dep-isect, 
record+: record+, 
ses-decrypt: Decrypt, 
ses-encrypt: Encrypt, 
ses-verify: Verify, 
ses-sign: Sign, 
ses-rcv: Rcv, 
ses-send: Send, 
int:
, 
ses-new: New, 
in-eclass: e 
 X, 
es-E: E, 
natural_number: $n, 
ses-D-private: ses-D-private(s), 
ses-D-public: ses-D-public(s), 
cand: A c
 B, 
record-select: r.x, 
infix_ap: x f y, 
es-causl: (e < e'), 
union: left + right, 
or: P 
 Q, 
rev_implies: P 
 Q, 
iff: P 

 Q, 
decide: case b of inl(x) => s[x] | inr(y) => t[y], 
ifthenelse: if b then t else f fi , 
pi1: fst(t), 
ses-key-rel: MatchingKeys(k1;k2), 
ycomb: Y, 
ses-flow: ses-flow(s;es;a;e1;e2), 
void: Void, 
false: False, 
assert:
b, 
sym: Sym(T;x,y.E[x; y]), 
ses-K: PropertyK, 
ses-S: PropertyS, 
ses-D: PropertyD, 
ses-R: PropertyR, 
ses-V: PropertyV, 
ses-flow-axiom: PropertyF, 
ses-nonce-disjoint: NoncesCiphersAndKeysDisjoint, 
ses-disjoint: ActionsDisjoint, 
ses-ordering': ses-ordering'(s), 
ses-NR: PropertyNR, 
ses-NU: PropertyNU, 
guard: {T}, 
ses-axioms: SecurityAxioms, 
CR-responder6: CR-responder6{i:l}(s), 
member: t 
 T, 
strong-subtype: strong-subtype(A;B), 
le: A 
 B, 
ge: i 
 j , 
less_than: a < b, 
uimplies: b supposing a, 
uiff: uiff(P;Q), 
subtype_rel: A 
r B, 
isect:
x:A. B[x], 
uall:
[x:A]. B[x], 
ses-info: Info, 
event-ordering+: EO+(Info), 
ses-honest: Honest(A), 
Id: Id, 
equal: s = t, 
not:
A, 
apply: f a, 
is-basic-seq: thr[A;B] |= bs, 
ses-thread: Thread, 
matching-conversation: MatchingConversation(n;thr1;thr2), 
prop:
, 
security-theory: SecurityTheory, 
CR-initiator4: CR-initiator4{i:l}(s), 
CRX-protocol: CRX-protocol{i:l}(s), 
authentication: prtcl |= bs authenticates n messages , 
all:
x:A. B[x], 
implies: P 
 Q, 
function: x:A 
 B[x], 
exists:
x:A. B[x], 
and: P 
 Q, 
product: x:A 
 B[x], 
ses-thread-loc: loc(thr)= A, 
sth-es: sth-es(s), 
sq_type: SQType(T), 
nil: [], 
id-sdata: data(x), 
pair: <a, b>, 
sdata-pair: <d1, d2>, 
atom-sdata: data(a), 
token: "$token", 
mk-pa: n(v), 
cons: [car / cdr], 
ses-is-protocol-action: pa(e), 
minus: -n, 
lelt: i 
 j < k, 
real:
, 
rationals:
, 
ses-act: Act, 
subtype: S 
 T, 
add: n + m, 
select: l[i], 
lambda:
x.A[x], 
length: ||as||, 
subtract: n - m, 
true: True, 
es-le: e 
loc e' , 
es-causle: e c
 e', 
existse-before:
e<e'.P[e], 
existse-le:
e
e'.P[e], 
alle-lt:
e<e'.P[e], 
alle-le:
e
e'.P[e], 
alle-between1:
e
[e1,e2).P[e], 
existse-between1:
e
[e1,e2).P[e], 
alle-between2:
e
[e1,e2].P[e], 
existse-between2:
e
[e1,e2].P[e], 
existse-between3:
e
(e1,e2].P[e], 
es-fset-loc: i 
 locs(s), 
es-r-immediate-pred: es-r-immediate-pred(es;R;e';e), 
same-thread: same-thread(es;p;e;e'), 
collect-event: collect-event(es;X;n;v.num[v];L.P[L];e), 
cut-order: a 
(X;f) b, 
path-goes-thru: x-f*-y thru i, 
lg-edge: lg-edge(g;a;b), 
ses-action: Action(e), 
ses-legal-sequence: Legal(pas) given prvt, 
decidable: Dec(P), 
int_seg: {i..j
}, 
event_ordering: EO, 
es-locl: (e <loc e'), 
so_lambda: 
x.t[x], 
uni_sat: a = !x:T. Q[x], 
inv_funs: InvFuns(A;B;f;g), 
inject: Inj(A;B;f), 
eqfun_p: IsEqFun(T;eq), 
refl: Refl(T;x,y.E[x; y]), 
urefl: UniformlyRefl(T;x,y.E[x; y]), 
usym: UniformlySym(T;x,y.E[x; y]), 
trans: Trans(T;x,y.E[x; y]), 
utrans: UniformlyTrans(T;x,y.E[x; y]), 
anti_sym: AntiSym(T;x,y.R[x; y]), 
uanti_sym: UniformlyAntiSym(T;x,y.R[x; y]), 
connex: Connex(T;x,y.R[x; y]), 
uconnex: uconnex(T; x,y.R[x; y]), 
coprime: CoPrime(a,b), 
ident: Ident(T;op;id), 
assoc: Assoc(T;op), 
comm: Comm(T;op), 
inverse: Inverse(T;op;id;inv), 
bilinear: BiLinear(T;pl;tm), 
bilinear_p: IsBilinear(A;B;C;+a;+b;+c;f), 
action_p: IsAction(A;x;e;S;f), 
dist_1op_2op_lr: Dist1op2opLR(A;1op;2op), 
fun_thru_1op: fun_thru_1op(A;B;opa;opb;f), 
fun_thru_2op: FunThru2op(A;B;opa;opb;f), 
cancel: Cancel(T;S;op), 
monot: monot(T;x,y.R[x; y];f), 
monoid_p: IsMonoid(T;op;id), 
group_p: IsGroup(T;op;id;inv), 
monoid_hom_p: IsMonHom{M1,M2}(f), 
grp_leq: a 
 b, 
integ_dom_p: IsIntegDom(r), 
prime_ideal_p: IsPrimeIdeal(R;P), 
no_repeats: no_repeats(T;l), 
value-type: value-type(T), 
valueall-type: valueall-type(T), 
is_list_splitting: is_list_splitting(T;L;LL;L2;f), 
is_accum_splitting: is_accum_splitting(T;A;L;LL;L2;f;g;x), 
req: x = y, 
rnonneg: rnonneg(r), 
rleq: x 
 y, 
i-member: r 
 I, 
partitions: partitions(I;p), 
modulus-of-ccontinuity: modulus-of-ccontinuity(omega;I;f), 
fpf-sub: f 
 g, 
squash:
T, 
sq_stable: SqStable(P), 
list: type List, 
ses-protocol1-legal: Legal(bss), 
ses-is-protocol-actions: pas(thr), 
l_exists: (
x
L. P[x]), 
ses-basic-sequence1: Basic1, 
ses-protocol1-thread: (thr is one of bss at A), 
ses-thread-member: e 
 thr, 
ses-protocol1: Protocol1(bss), 
es-loc: loc(e), 
ses-signer: signer(e), 
es-base-E: es-base-E(es), 
security-event-structure: SES, 
encryption-key: Key, 
event-has*: e has* a, 
CR-responder5: CR-responder5{i:l}(s), 
CR-responder4: CR-responder4{i:l}(s), 
CR-initiator2: CR-initiator2{i:l}(s), 
CR-initiator1: CR-initiator1{i:l}(s), 
bool:
, 
atom: Atom, 
fpf-cap: f(x)?z, 
fpf: a:A fp-> B[a], 
l_member: (x 
 l), 
l_all: (
x
L.P[x]), 
l_contains: A 
 B, 
ses-legal-thread: Legal(thr)@A, 
tl: tl(l), 
hd: hd(l), 
quotient: x,y:A//B[x; y], 
bag: bag(T), 
so_lambda: 
x y.t[x; y], 
eclass: EClass(A[eo; e]), 
top: Top, 
eclass-val: X(e), 
sdata: SecurityData, 
es-E-interface: E(X), 
sqequal: s ~ t, 
nat_plus: 
, 
nat:
, 
reducible: reducible(a), 
prime: prime(a), 
fun-connected: y is f*(x), 
qle: r 
 s, 
qless: r < s, 
q-rel: q-rel(r;x), 
sq_exists:
x:{A| B[x]}, 
i-finite: i-finite(I), 
i-closed: i-closed(I), 
p-outcome: Outcome, 
dstype: dstype(TypeNames; d; a), 
fset-member: a 
 s, 
f-subset: xs 
 ys, 
fset: FSet{T}, 
fset-closed: (s closed under fs), 
IdLnk: IdLnk, 
Knd: Knd, 
MaName: MaName, 
l_disjoint: l_disjoint(T;l1;l2), 
consensus-state3: consensus-state3(T), 
cs-not-completed: in state s, a has not completed inning i, 
cs-archived: by state s, a archived v in inning i, 
cs-passed: by state s, a passed inning i without archiving a value, 
cs-inning-committed: in state s, inning i has committed v, 
cs-inning-committable: in state s, inning i could commit v , 
cs-archive-blocked: in state s, ws' blocks ws from archiving v in inning i, 
cs-precondition: state s may consider v in inning i, 
consensus-rcv: consensus-rcv(V;A), 
runEvents: runEvents(r), 
pi2: snd(t), 
btrue: tt, 
record: record(x.T[x]), 
sdata_atoms_pair: sdata_atoms_pair{sdata_atoms_pair_compseq_tag_def:o}(d2; d1), 
null: null(as), 
sdata_atoms_atom: sdata_atoms_atom{sdata_atoms_atom_compseq_tag_def:o}(a), 
free-from-atom: x:T||a, 
class-value-has: X(e) has a, 
event-has: (e has a), 
ses-info-flow: ->>, 
rel_star: R^*, 
release-before: (a released before e), 
send-rcv-match: send-rcv-match(m1;m2), 
spread: spread def, 
lt_int: i <z j, 
zip: zip(as;bs), 
firstn: firstn(n;as), 
ses-msg: isMsg(e), 
thread-messages: thread-messages(thr), 
tactic: Error :tactic, 
iseg: l1 
 l2, 
bEvents: Error :bEvents, 
string: Error :string, 
ses-encryption-key: key(e), 
ses-decryption-key: key(e), 
ses-private-key: PrivateKey(A), 
tree: Tree(E), 
rec: rec(x.A[x])
Lemmas : 
atom1_sq, 
atom_sq, 
Id_sq, 
guard_wf, 
sdata_sq, 
int_sq, 
iseg_select2, 
iseg_length, 
iseg_same_length, 
ses-thread-member_wf, 
iseg_wf, 
id-sdata-not-pair, 
ses-msg-cases, 
non_neg_length, 
length_wf1, 
l_all_cons, 
and_functionality_wrt_iff, 
l_all-nil, 
l_all_wf2, 
l_all_wf, 
send-rcv-match_wf, 
release-before_wf, 
event-has*_wf, 
ses-info-flow_wf, 
rel_star_wf, 
event-has_wf, 
nonce-release-lemma2, 
ses-protocol1-thread_wf, 
nat_wf, 
select_member, 
es-loc_wf, 
event-has*-iff, 
class-value-has_wf, 
sdata-has-atom, 
cons_member, 
id-sdata-one-one, 
atom-sdata-one-one, 
squash_wf, 
bool_wf, 
set_subtype_base, 
eclass-val_wf, 
ifthenelse_wf, 
true_wf, 
assert_elim, 
pi1_wf_top, 
pi2_wf, 
sdata-pair-one-one, 
atom-sdata_wf, 
sdata-pair_wf, 
id-sdata_wf, 
id-sdata-not-pair2, 
decidable__equal_int, 
int_seg_properties, 
es-interface-top, 
sdata_wf, 
ses-verify_wf, 
subtype_rel_wf, 
eclass_wf, 
in-eclass_wf, 
assert_wf, 
top_wf, 
es-interface-subtype_rel, 
product_subtype_base, 
sdata_subtype_base, 
atom2_subtype_base, 
atom1_subtype_base, 
sq_stable__assert, 
ses-sign_wf, 
length_wf_nat, 
es-interface-subtype_rel2, 
es-base-E_wf, 
subtype_rel_self, 
ses-action_wf, 
ses-new_wf, 
ses-send_wf, 
ses-rcv_wf, 
ses-encrypt_wf, 
encryption-key_wf, 
ses-decrypt_wf, 
ses-basic-sequence1_wf, 
CR-initiator1_wf, 
CR-initiator2_wf, 
CR-responder4_wf, 
CR-responder5_wf, 
false_wf, 
l_exists_wf, 
iff_transitivity, 
l_exists_cons, 
or_functionality_wrt_iff, 
iff_wf, 
rev_implies_wf, 
l_exists_nil, 
l_member_wf, 
le_wf, 
int_subtype_base, 
subtype_base_sq, 
select_wf, 
es-E_wf, 
ses-act_wf, 
member_wf, 
es-locl_wf, 
int_seg_wf, 
event-ordering+_inc, 
decidable__es-locl, 
sq_stable_from_decidable, 
sq_stable__all, 
CRX-protocol-legal, 
sth-es_wf, 
not_wf, 
Id_wf, 
CRX-protocol_wf, 
ses-thread_wf, 
ses-thread-loc_wf, 
is-basic-seq_wf, 
CR-initiator4_wf, 
matching-conversation_wf, 
authentication_wf, 
event-ordering+_wf, 
ses-info_wf, 
ses-honest_wf, 
security-theory_wf, 
CR-responder6_wf, 
sth-axioms, 
ses-axioms-imply, 
ses-D-implies
\mforall{}sth:SecurityTheory
    (CRX-protocol\{i:l\}(sth-es(sth))  |=  CR-initiator4\{i:l\}(sth-es(sth))  authenticates  2  messages 
    \mwedge{}  CRX-protocol\{i:l\}(sth-es(sth))  |=  CR-responder6\{i:l\}(sth-es(sth))  authenticates  3  messages  )
Date html generated:
2011_08_17-PM-07_52_10
Last ObjectModification:
2011_06_18-PM-01_46_32
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