Here is a list of all documented files with brief descriptions:

[detail level 12]

include
add-approx.hh	Header file for add-approx.cc: XOR-linear approximations of modular addition.
adp-arx.hh	Header file for adp-arx.cc: The ADD differential probability of the sequence of operations: ADD, LROT, XOR (ARX): $\mathrm{adp}^{\mathrm{ARX}}(da,db,dd \rightarrow de)$ .
adp-mul.hh	Header file for adp-mul.cc: The ADD differential probability of modular multiplication (MUL): $\mathrm{adp}^{\odot}$ .
adp-rot.hh	Header file for adp-rot.cc: The ADD differential probability of (left) rotation (LROT): $\mathrm{adp}^{\mathrm{lrot}}$ .
adp-rsh-xor.hh	Header file for adp-rsh-xor.cc: The ADD differential probability of right shift followed by XOR: $\mathrm{adp}^{\gg\oplus}$ .
adp-shift.hh	Header file for adp-shift.cc: The ADD differential probability of left shift (LSH): $\mathrm{adp}^{\ll}$ and right shift (RSH): $\mathrm{adp}^{\gg}$ .
adp-tea-f-fk-ddt.hh	Header file for adp-tea-f-fk-ddt.cc: Computing the full difference distribution table (DDT) for the F-function of block cipher TEA by exaustive search over all inputs. Complexity $O(2^{2n})$ .
adp-tea-f-fk-noshift.hh	Header file for adp-tea-f-fk-noshift.cc: The additive differential probability (ADP) of a modified version of the F-function of TEA with the shift operations removed. Complexity .
adp-tea-f-fk.hh	Header file for adp-tea-f-fk.cc: The ADD differential probability of the F-function of TEA for a fixed key and round constants $\mathrm{adp}^{F}(k_0, k_1, \delta \|~ da \rightarrow dd)$ , where $F(k_0, k_1, \delta \|~ x) = ((x \ll 4) + k_0) \oplus (x + \delta) \oplus ((x \gg 5) + k_1)$ Complexity: $O(n) < c \le O(2^n)$ .
adp-xor-count-odiff.hh	Header file for adp-xor-count-odiff.cc: Count the number of possible output ADD differences after XOR.
adp-xor-fi-count-odiff.hh	Header file for adp-xor-fi-count-odiff.cc: Count the number of possible output differences after the operation XOR with a fixed input (FI).
adp-xor-fi.hh	Header file for adp-xor-fi.cc: The ADD differential probability of XOR with one fixed input (FI): $\mathrm{adp}^{\oplus}_{\mathrm{FI}}(a,db \rightarrow db)$ .
adp-xor-pddt.hh	Header file for adp-xor-pddt.cc. Compute a partial difference distribution table (pDDT) for $\mathrm{adp}^{\oplus}$ .
adp-xor.hh	Header file for adp-xor.cc: The ADD differential probability of XOR $\mathrm{adp}^{\oplus}(da,db \rightarrow db)$ .
adp-xor3.hh	Header file for adp-xor3.cc: The ADD differential probability of XOR with three inputs ( $3\oplus$ ): $\mathrm{adp}^{3\oplus}(da,db,dc \rightarrow dd)$ .
adp-xtea-f-fk.hh	Header file for adp-xtea-f-fk.cc: The ADD differential probability of the F-function of XTEA for a fixed key and round constants $\mathrm{adp}^{F}(k, \delta \|~ da \rightarrow dd)$ . Complexity: $O(n) < c \le O(2^n)$ .
bsdr.hh	Header file for bsdr.cc: Functions related to binary-signed digit representation (BSDR) of integers.
common.hh	Header file for common.cc. Common functions used accross all YAARX programs.
dp-matrix-minimize.hh	Minimize the size of a given set of transition probability matrices by detecting equivalent states
eadp-tea-f.hh	Header file for eadp-tea-f.cc. The expected additive differential probability (EADP) of the F-function of TEA, averaged over all round keys and constants: $\mathrm{eadp}^{F}(da \rightarrow dd)$ . Complexity: .
max-adp-arx.hh	Header file for max-adp-arx.cc: The maximum ADD differential probability of the sequence of operations: ADD, LROT, XOR (ARX): $\max_{de}~\mathrm{adp}^{\mathrm{ARX}}(da,db,dd \rightarrow de)$ .
max-adp-xor-fi.hh	Header file for max-adp-xor-fi.cc. The maximum ADD differential probability of XOR with one fixed input: $\max_{dc} \mathrm{adp}^{\oplus}_{\mathrm{FI}}(a, db \rightarrow dc)$ .
max-adp-xor.hh	Header file for max-adp-xor.cc. The maximum ADD differential probability of XOR: $\max_{dc} \mathrm{adp}^{\oplus}(da, db \rightarrow dc)$ .
max-adp-xor3-set.hh	Header file for max-adp-xor3-set.cc. The maximum ADD differential probability of XOR with three inputs, where one of the inputs satisfies a set of ADD differences: $\max_{dd}~\mathrm{adp}^{\oplus}_{\mathrm{SET}}(da, db, \{{dc}_0, {dc}_1, \ldots\} \rightarrow dd)$ .
max-adp-xor3.hh	Header file for max-adp-xor3.cc. The maximum ADD differential probability of XOR with three inputs: $\max_{dd}~\mathrm{adp}^{3\oplus}(da, db, dc \rightarrow dd)$ .
max-xdp-add.hh	Header file for max-xdp-add.cc. The maximum XOR differential probability of ADD: $\max_{dc} \mathrm{xdp}^{+}(da, db \rightarrow dc)$ .
rc5-alex.hh	Header file for rc5-alex.cc: Differential Cryptanalysis of block cipher RC5: code from paper by [Biryukov, Kushilevitz, 1995].
rc5-blind-oracle.hh	Header file for rc5-blind-oracle.cc: RC5 analysis: "Smart" computation of constants for the plaintext structures. That constants are such that they ensure that there is no difference in the top 4 or 5 rotation constants.
rc5-dc.hh	Header file for rc5-dc.cc: Differential Cryptanalysis of block cipher RC5 .
rc5-eq.hh	Header file for rc5-eq.cc: Procedures for solving certain equations arising during the differential analysis of block cipher RC5 . One such equation is the following equation in x from the last round of RC5:
rc5-lwcs.hh	Header file for rc5-lwcs.cc: Low-weight codeword search for block cipher RC5 .
rc5-ref.hh	Header file for rc5-ref.cc: Analysis of block cipher RC5 .
salsa.hh	Header file for salsa.cc: Analysis of block cipher Salsa20.
simon-xor-best-trails.hh	Best found trails for Simon using threshold search
simon-xor-ddt-search.hh	Header file for xdp-rot-and.cc: Automatic search for XOR differentials in block cipher Simon32 (16 bit words) using either the full DDT or a complete partial DDT for all differences with max Hamming weight 5.
simon-xor-threshold-search.hh	Header file for xdp-rot-and.cc: Automatic search for XOR differentials in block cipher Simon.
simon.hh	Header file for simon.cc: Analysis of block cipher Simon [ePrint 2013/404].
speck-trails.hh
speck-xor-best-trails.hh	Best found trails for Speck using threshold search
speck-xor-threshold-search.hh	Header file for xdp-rot-and.cc: Tests for automatic search for XOR differentials in block cipher Speck .
speck.hh	Header file for speck.cc: Analysis of block cipher Speck [ePrint 2013/404].
tea-add-ddt-search.hh	Declarations for tea-add-ddt-search.cc. Automatic search for ADD differential trails in TEA using full DDT-s.
tea-add-threshold-search.hh	Header for tea-add-threshold-search.cc. Automatic search for ADD differential trails in block cipher TEA.
tea-f-add-pddt.hh	Header file for tea-f-add-pddt.cc. Computing an ADD partial difference distribution table (pDDT) for the F-function of block cipher TEA.
tea.hh	Header file for tea.cc. Common functions used in the analysis of TEA.
threefish-add.hh	Header file for threefish.cc: Analysis of block cipher Threefish w.r.t. ADD differences.
threefish-xor.hh	Header file for threefish.cc: Analysis of block cipher Threefish w.r.t. (sets of) XOR differences.
threefish.hh	Header file for threefish.cc: Analysis of block cipher Threefish – common routines.
xdp-add-diff-set.hh	Header file for xdp-add-diff-set.cc: Functions for working with sets of XOR differences w.r.t. addition: $\mathrm{xdp}^{+}(A,B \rightarrow C)$ (See also: xdp-add.cc).
xdp-add-pddt.hh	Header file for xdp-add-pddt.cc. Compute a partial difference distribution table (pDDT) for $\mathrm{xdp}^{+}$ .
xdp-add.hh	Header file for xdp-add.cc: The XOR differential probability of ADD $\mathrm{xdp}^{+}(da,db \rightarrow db)$ .
xdp-and.hh	Header file for xdp-and.cc: The XOR differential probability of AND $\mathrm{xdp}^{\wedge}(da,db \rightarrow db)$ .
xdp-rot-and.hh	Header file for xdp-rot-and.cc: The XOR differential probability of the sequence of ROT and AND: $b = f(a) = (a~\mathrm{rot}~s) \wedge (a~\mathrm{rot}~t)$ : $\mathrm{xdp}^{\mathrm{rot}\wedge}(da \rightarrow db)$ .
xdp-tea-f-fk.hh	Header file for xdp-tea-f-fk.cc. The XOR differential probability (XDP) of the F-function of TEA for a fixed key and round constants: $\mathrm{xdp}^{F}(k_0, k_1, \delta \|~ da \rightarrow dd)$ .
xdp-xtea-f-fk.hh	Header file for xdp-xtea-f-fk.cc. The XOR differential probability (XDP) of the F-function of XTEA for a fixed key and round constants: $\mathrm{xdp}^{F}(k, \delta \|~ da \rightarrow dd)$ .
xlp-add.hh	Header file for xlp-add.cc: The XOR linear probability of ADD $\mathrm{xlp}^{+}(ma,mb \rightarrow mb)$ .
xtea-add-threshold-search.hh	Header file for xtea-add-threshold-search.cc. Automatic search for ADD differential trails in block cipher XTEA.
xtea-f-add-pddt.hh	Declarations for xtea-f-add-pddt.cc. Computing an ADD partial difference distribution table (pDDT) for the F-function of block cipher XTEA.
xtea-f-xor-pddt.hh	Header for xtea-f-xor-pddt.cc. Computing an XOR partial difference distribution table (pDDT) for the F-function of block cipher XTEA.
xtea-xor-threshold-search.hh	Header file for xtea-xor-threshold-search.cc. Automatic search for XOR differential trails in block cipher XTEA.
xtea.hh	Header file for xtea.cc. Common functions used in the analysis of block cipher XTEA.
src
add-approx.cc	XOR-linear approximations of modular addition
adp-arx.cc	The ADD differential probability of the sequence of operations: ADD, LROT, XOR (ARX): $\mathrm{adp}^{\mathrm{ARX}}(da,db,dd \rightarrow de)$
adp-lsh-program.cc	The probability $\mathrm{adp}^{\ll}$ with user-provided input
adp-mul.cc	The ADD differential probability of modular multiplication (MUL): $\mathrm{adp}^{\odot}$
adp-rot-program.cc	The probability $\mathrm{adp}^{\mathrm{lrot}}$ with user-provided input
adp-rot.cc	The ADD differential probability of (left) rotation (LROT): $\mathrm{adp}^{\mathrm{lrot}}$
adp-rsh-program.cc	The probability $\mathrm{adp}^{\gg}$ with user-provided input
adp-rsh-xor.cc	The ADD differential probability of right shift followed by XOR: $\mathrm{adp}^{\gg\oplus}$
adp-shift.cc	The ADD differential probability of left shift (LSH): $\mathrm{adp}^{\ll}$ and right shift (RSH): $\mathrm{adp}^{\gg}$
adp-tea-f-fk-ddt.cc	Computing the full difference distribution table (DDT) for the F-function of block cipher TEA by exaustive search over all inputs. Complexity $O(2^{2n})$
adp-tea-f-fk-noshift.cc	The additive differential probability (ADP) of a modified version of the F-function of TEA with the shift operations removed. Complexity
adp-tea-f-fk.cc	The ADD differential probability of the F-function of TEA for a fixed key and round constants $\mathrm{adp}^{F}(k_0, k_1, \delta \|~ da \rightarrow dd)$ , where $F(k_0, k_1, \delta \|~ x) = ((x \ll 4) + k_0) \oplus (x + \delta) \oplus ((x \gg 5) + k_1)$ Complexity: $O(n) < c \le O(2^n)$
adp-xor-count-odiff.cc	Count the number of possible output ADD differences after XOR
adp-xor-fi-count-odiff.cc	Count the number of possible output differences after the operation XOR with a fixed input (FI)
adp-xor-fi-program.cc	The probability $\mathrm{adp}^{\oplus}_{\mathrm{FI}}$ with user-provided input
adp-xor-fi.cc	The ADD differential probability of XOR with one fixed input (FI): $\mathrm{adp}^{\oplus}_{\mathrm{FI}}(a,db \rightarrow db)$
adp-xor-pddt.cc	Compute a partial difference distribution table (pDDT) for $\mathrm{adp}^{\oplus}$
adp-xor-program.cc	The probability $\mathrm{adp}^{\oplus}$ with user-provided input
adp-xor.cc	The ADD differential probability of XOR $\mathrm{adp}^{\oplus}(da,db \rightarrow db)$
adp-xor3-program.cc	The probability ( $\mathrm{adp}^{3\oplus}$ ) with user-provided input
adp-xor3.cc	The ADD differential probability of XOR with three inputs ( $3\oplus$ ): $\mathrm{adp}^{3\oplus}(da,db,dc \rightarrow dd)$
adp-xtea-f-fk.cc	The ADD differential probability of the F-function of XTEA for a fixed key and round constants $\mathrm{adp}^{F}(k, \delta \|~ da \rightarrow dd)$ . Complexity: $O(n) < c \le O(2^n)$
bsdr.cc	Functions related to binary-signed digit representation (BSDR) of integers
common.cc	Common functions used accross all YAARX programs
eadp-tea-f-program.cc	The probability $\mathrm{eadp}^{F}(da \rightarrow dd)$ with user-provided input
eadp-tea-f.cc	The expected additive differential probability (EADP) of the F-function of TEA, averaged over all round keys and constants: $\mathrm{eadp}^{F}(da \rightarrow dd)$ . Complexity:
idea.cc	Analysis of block cipher IDEA
max-adp-arx.cc	The maximum ADD differential probability of the sequence of operations: ADD, LROT, XOR (ARX): $\max_{de}~\mathrm{adp}^{\mathrm{ARX}}(da,db,dd \rightarrow de)$
max-adp-xor-fi-program.cc	The probability ( $\max_{dc} \mathrm{adp}^{\oplus}(a, db \rightarrow dc)$ ) with user-provided input
max-adp-xor-fi.cc	The maximum ADD differential probability of XOR with one fixed input: $\max_{dc} \mathrm{adp}^{\oplus}_{\mathrm{FI}}(a, db \rightarrow dc)$
max-adp-xor-program.cc	Maximum ADD differential probability of XOR ( $\max_{dc} \mathrm{adp}^{\oplus}(da, db \rightarrow dc)$ ) with user-provided input
max-adp-xor.cc	The maximum ADD differential probability of XOR: $\max_{dc} \mathrm{adp}^{\oplus}(da, db \rightarrow dc)$
max-adp-xor3-program.cc	The probability $\max_{dd}~\mathrm{adp}^{3\oplus}(da, db, dc \rightarrow dd)$ with user-provided input
max-adp-xor3-set.cc	The maximum ADD differential probability of XOR with three inputs, where one of the inputs satisfies a set of ADD differences: $\max_{dd}~\mathrm{adp}^{\oplus}_{\mathrm{SET}}(da, db, \{{dc}_0, {dc}_1, \ldots\} \rightarrow dd)$
max-adp-xor3.cc	The maximum ADD differential probability of XOR with three inputs: $\max_{dd}~\mathrm{adp}^{3\oplus}(da, db, dc \rightarrow dd)$
max-eadp-tea-f-program.cc	The probability $\max_{dd} \mathrm{eadp}^{F}(da \rightarrow dd)$ with user-provided input
max-xdp-add-program.cc	The probability $\max_{dc} \mathrm{xdp}^{+}(da, db \rightarrow dc)$ with user-provided input
max-xdp-add.cc	The maximum XOR differential probability of ADD: $\max_{dc} \mathrm{xdp}^{+}(da, db \rightarrow dc)$
rc5-alex.cc	Differential Cryptanalysis of block cipher RC5: code from paper by [Biryukov, Kushilevitz, 1995]
rc5-blind-oracle.cc	RC5 analysis: "Smart" computation of constants for the plaintext structures. That constants are such that they ensure that there is no difference in the top 4 or 5 rotation constants
rc5-dc.cc	Differential Cryptanalysis of block cipher RC5
rc5-eq.cc	Procedures for solving certain equations arising during the differential analysis of block cipher RC5 . One such equation is the following equation in x from the last round of RC5:
rc5-lwcs.cc	Low-weight codeword search for block cipher RC5
rc5-ref.cc	Analysis of block cipher RC5
salsa.cc	Analysis of block cipher Salsa20
simon-xor-ddt-search.cc	Automatic search for XOR differentials in block cipher Simon32 (16 bit words) using either the full DDT or a complete partial DDT for all differences with max Hamming weight 5
simon-xor-threshold-search.cc	Automatic search for XOR differentials in block cipher Simon
simon.cc	Analysis of block cipher Simon [ePrint 2013/404]
solve-gf2.cc	Solving linear systems of Boolean equations using Gaussain elimination
speck-xor-ddt-search.cc	Automatic search for XOR differentials in block cipher Speck using full DDT
speck-xor-threshold-search.cc	Tests for automatic search for XOR differentials in block cipher Speck
speck.cc	Analysis of block cipher Speck [ePrint 2013/404]
tea-add-ddt-search.cc	Automatic search for ADD differential trails in TEA using full DDT-s
tea-add-threshold-search.cc	Automatic search for ADD differential trails in block cipher TEA
tea-f-add-pddt.cc	Computing an ADD partial difference distribution table (pDDT) for the F-function of block cipher TEA
tea.cc	Common functions used in the analysis of TEA
threefish-add.cc	Analysis of block cipher Threefish w.r.t. ADD differences
threefish-xor.cc	Analysis of block cipher Threefish w.r.t. (sets of) XOR differences
threefish.cc	Analysis of block cipher Threefish – common routines
xdp-add-diff-set.cc	Functions for working with sets of XOR differences w.r.t. addition: $\mathrm{xdp}^{+}(A,B \rightarrow C)$ (See also: xdp-add.cc)
xdp-add-pddt.cc	Compute a partial difference distribution table (pDDT) for $\mathrm{xdp}^{+}$
xdp-add-program.cc	Program for computing $\mathrm{xdp}^{+}$ with user-provided input
xdp-add.cc	The XOR differential probability of ADD $\mathrm{xdp}^{+}(da,db \rightarrow db)$
xdp-and.cc	The XOR differential probability of AND $\mathrm{xdp}^{\wedge}(da,db \rightarrow db)$
xdp-rot-and.cc	The XOR differential probability of the sequence of ROT and AND: $b = f(a) = (a~\mathrm{rot}~s) \wedge (a~\mathrm{rot}~t)$ : $\mathrm{xdp}^{\mathrm{rot}\wedge}(da \rightarrow db)$
xdp-tea-f-fk.cc	The XOR differential probability (XDP) of the F-function of TEA for a fixed key and round constants: $\mathrm{xdp}^{F}(k_0, k_1, \delta \|~ da \rightarrow dd)$
xdp-xtea-f-fk.cc	The XOR differential probability (XDP) of the F-function of XTEA for a fixed key and round constants: $\mathrm{xdp}^{F}(k, \delta \|~ da \rightarrow dd)$
xlp-add.cc	The XOR linear probability of ADD $\mathrm{xlp}^{+}(ma,mb \rightarrow mb)$
xtea-add-threshold-search.cc	Automatic search for ADD differential trails in block cipher XTEA
xtea-f-add-pddt.cc	Computing an ADD partial difference distribution table (pDDT) for the F-function of block cipher XTEA
xtea-f-xor-pddt.cc	Computing an XOR partial difference distribution table (pDDT) for the F-function of block cipher XTEA
xtea-xor-threshold-search.cc	Automatic search for XOR differential trails in block cipher XTEA
xtea.cc	Common functions used in the analysis of block cipher XTEA
tests
adp-arx-tests.cc	Tests for adp-arx.cc
adp-mul-tests.cc	Tests for adp-xor.cc
adp-rot-tests.cc	Tests for adp-rot.cc
adp-rsh-xor-tests.cc	Tests for adp-rsh-xor.cc
adp-shift-tests.cc	Tests for adp-shift.cc
adp-tea-f-fk-ddt-tests.cc	Tests for adp-tea-f-fk-ddt.cc
adp-tea-f-fk-noshift-tests.cc	Tests for adp-tea-f-fk-noshift.cc
adp-tea-f-fk-tests.cc	Tests for adp-tea-f-fk.cc
adp-xor-count-odiff-tests.cc	Tests for adp-xor-count-odiff.cc
adp-xor-fi-count-odiff-tests.cc	Tests for adp-xor-fi-count-odiff.cc
adp-xor-fi-tests.cc	Tests for adp-xor-fi.cc
adp-xor-pddt-tests.cc	Tests for adp-xor-pddt.cc
adp-xor-tests.cc	Tests for adp-xor.cc
adp-xor3-tests.cc	Tests for adp-xor3.cc
adp-xtea-f-fk-tests.cc	Tests for adp-xtea-f-fk.cc
eadp-tea-f-tests.cc	Tests for eadp-tea-f.cc
graphviz-tests.cc	Tests for the graph drawing program GraphViz http://www.graphviz.org/
lax-cipher-tests.cc	LAX is a cipher based on a linear layer, modular addition and XOR. The linear layer is based on the generator matrix of a linear code over GF(2). The proposal of LAX is motivated by a challenge posed by Johan Wallen in his PhD thesis
linear-code-tests-aux.cc	Auxiliary file containing less commonly used code for file linear-code-tests.cc
linear-code-tests.cc	Experiments with linear codes for SK design
marx-best-linear-search-tests.cc	Automatic search for the best XOR differential trail in block cipher MARX – optimized version by Yann Le Corre.
max-adp-xor-fi-tests.cc	Tests for max-adp-xor-fi.cc
max-adp-xor-tests.cc	Tests for max-adp-xor.cc
max-adp-xor3-set-tests.cc	Tests for max-adp-xor3-set.cc
max-adp-xor3-tests.cc	Tests for max-adp-xor3.cc
max-xdp-add-tests.cc	Tests for max-xdp-add.cc
morus-tests.cc	Analysis of the authenticated cipher MORUS
rc5-tests.cc	Tests for rc5-tests.cc
salsa-tests.cc	Tests for salsa.cc
simon-xor-threshold-search-tests.cc	Tests for automatic search for XOR differentials in block cipher Simon
speck-best-diff-search-tests.cc	Tests for automatic search for the best XOR differential trail in block cipher Speck
speck-best-linear-search-tests.cc	Tests for automatic search for the best XOR linear trail in block cipher Speck
speck-tests.cc	Tests if Speck is a Markov cipher and other tests
speck-xor-threshold-search-tests.cc	Tests for automatic search for XOR differentials in block cipher Speck
speckey-best-linear-search-tests.cc	Automatic search for the best XOR differential trail in block cipher Speckey – optimized version by Yann Le Corre.
tea-add-ddt-search-tests.cc	Tests for tea-add-ddt-search.cc
tea-add-threshold-search-tests.cc	Tests for tea-add-threshold-search.cc
tea-f-add-pddt-tests.cc	Tests for tea-f-add-pddt.cc
threefish-tests.cc	Tests for threefish.cc
tweetcipher-tests.cc	Tests for tweetcipher-ref.cc
va-tests.cc	Various tests that does not fit anywhere else and/or are under development
xdp-add-diff-set-tests.cc	Tests for xdp-add-diff-set.cc
xdp-add-tests.cc	Tests for xdp-add.cc
xdp-and-tests.cc	Tests for $\mathrm{xdp}^{\wedge}$
xdp-rot-and-tests.cc	Tests for XDP of of the sequence of ROT and AND: $b = f(a) = (a \mathrm{lrot} s) \wedge (a \mathrm{lrot} t)$ : $\mathrm{xdp}^{\mathrm{lrot}\wedge}(da \rightarrow db)$
xdp-tea-f-fk-tests.cc	Tests for xdp-tea-f-fk.cc
xdp-xtea-f-fk-tests.cc	Tests for xdp-xtea-f-fk.cc
xlp-add-tests.cc	Tests for $\mathrm{xlp}^{+}$
xtea-add-threshold-search-tests.cc	Tests for xtea-add-threshold-search.cc
xtea-xor-threshold-search-tests.cc	Tests for xtea-xor-threshold-search.cc