# ChaCha Cipher: With the Initial Values and R=5
connection relations
x0_0 , x5_0 , T0_0
x1_0 , x6_0 , T1_0
x2_0 , x7_0 , T2_0
x3_0 , x4_0 , T3_0
x0_1 , x4_1 , P0_1
x1_1 , x5_1 , P1_1
x2_1 , x6_1 , P2_1
x3_1 , x7_1 , P3_1
x0_2 , x5_2 , T0_2
x1_2 , x6_2 , T1_2
x2_2 , x7_2 , T2_2
x3_2 , x4_2 , T3_2
x0_3 , x4_3 , P0_3
x1_3 , x5_3 , P1_3
x2_3 , x6_3 , P2_3
x3_3 , x7_3 , P3_3
x0_4 , x5_4 , T0_4
x1_4 , x6_4 , T1_4
x2_4 , x7_4 , T2_4
x3_4 , x4_4 , T3_4
x0_5 , x4_5 , P0_5
x1_5 , x5_5 , P1_5
x2_5 , x6_5 , P2_5
x3_5 , x7_5 , P3_5
U0_0 , x10_0 , V0_0
U1_0 , x11_0 , V1_0
U2_0 , x8_0 , V2_0
U3_0 , x9_0 , V3_0
Q0_1 , x8_1 , R0_1
Q1_1 , x9_1 , R1_1
Q2_1 , x10_1 , R2_1
Q3_1 , x11_1 , R3_1
U0_2 , x10_2 , V0_2
U1_2 , x11_2 , V1_2
U2_2 , x8_2 , V2_2
U3_2 , x9_2 , V3_2
Q0_3 , x8_3 , R0_3
Q1_3 , x9_3 , R1_3
Q2_3 , x10_3 , R2_3
Q3_3 , x11_3 , R3_3
U0_4 , x10_4 , V0_4
U1_4 , x11_4 , V1_4
U2_4 , x8_4 , V2_4
U3_4 , x9_4 , V3_4
Q0_5 , x8_5 , R0_5
Q1_5 , x9_5 , R1_5
Q2_5 , x10_5 , R2_5
Q3_5 , x11_5 , R3_5
T0_0 , W0_0 , x0_1
T1_0 , W1_0 , x1_1
T2_0 , W2_0 , x2_1
T3_0 , W3_0 , x3_1
P0_1 , S0_1 , x0_2
P1_1 , S1_1 , x1_2
P2_1 , S2_1 , x2_2
P3_1 , S3_1 , x3_2
T0_2 , W0_2 , x0_3
T1_2 , W1_2 , x1_3
T2_2 , W2_2 , x2_3
T3_2 , W3_2 , x3_3
P0_3 , S0_3 , x0_4
P1_3 , S1_3 , x1_4
P2_3 , S2_3 , x2_4
P3_3 , S3_3 , x3_4
T0_4 , W0_4 , x0_5
T1_4 , W1_4 , x1_5
T2_4 , W2_4 , x2_5
T3_4 , W3_4 , x3_5
P0_5 , S0_5 , x0_6
P1_5 , S1_5 , x1_6
P2_5 , S2_5 , x2_6
P3_5 , S3_5 , x3_6
V0_0 , x15_1 , x10_1
V1_0 , x12_1 , x11_1
V2_0 , x13_1 , x8_1
V3_0 , x14_1 , x9_1
R0_1 , x12_2 , x8_2
R1_1 , x13_2 , x9_2
R2_1 , x14_2 , x10_2
R3_1 , x15_2 , x11_2
V0_2 , x15_3 , x10_3
V1_2 , x12_3 , x11_3
V2_2 , x13_3 , x8_3
V3_2 , x14_3 , x9_3
R0_3 , x12_4 , x8_4
R1_3 , x13_4 , x9_4
R2_3 , x14_4 , x10_4
R3_3 , x15_4 , x11_4
V0_4 , x15_5 , x10_5
V1_4 , x12_5 , x11_5
V2_4 , x13_5 , x8_5
V3_4 , x14_5 , x9_5
R0_5 , x12_6 , x8_6
R1_5 , x13_6 , x9_6
R2_5 , x14_6 , x10_6
R3_5 , x15_6 , x11_6
x0_0 , x0_6
x1_0 , x1_6
x2_0 , x2_6
x3_0 , x3_6
x4_0 , x4_6
x5_0 , x5_6
x6_0 , x6_6
x7_0 , x7_6
x8_0 , x8_6
x9_0 , x9_6
x10_0 , x10_6
x11_0 , x11_6
x12_0 , x12_6
x13_0 , x13_6
x14_0 , x14_6
x15_0 , x15_6
algebraic relations
T0_0 + x15_0 + U0_0
T1_0 + x12_0 + U1_0
T2_0 + x13_0 + U2_0
T3_0 + x14_0 + U3_0
P0_1 + x12_1 + Q0_1
P1_1 + x13_1 + Q1_1
P2_1 + x14_1 + Q2_1
P3_1 + x15_1 + Q3_1
T0_2 + x15_2 + U0_2
T1_2 + x12_2 + U1_2
T2_2 + x13_2 + U2_2
T3_2 + x14_2 + U3_2
P0_3 + x12_3 + Q0_3
P1_3 + x13_3 + Q1_3
P2_3 + x14_3 + Q2_3
P3_3 + x15_3 + Q3_3
T0_4 + x15_4 + U0_4
T1_4 + x12_4 + U1_4
T2_4 + x13_4 + U2_4
T3_4 + x14_4 + U3_4
P0_5 + x12_5 + Q0_5
P1_5 + x13_5 + Q1_5
P2_5 + x14_5 + Q2_5
P3_5 + x15_5 + Q3_5
V0_0 + x5_0 + W0_0
V1_0 + x6_0 + W1_0
V2_0 + x7_0 + W2_0
V3_0 + x4_0 + W3_0
R0_1 + x4_1 + S0_1
R1_1 + x5_1 + S1_1
R2_1 + x6_1 + S2_1
R3_1 + x7_1 + S3_1
V0_2 + x5_2 + W0_2
V1_2 + x6_2 + W1_2
V2_2 + x7_2 + W2_2
V3_2 + x4_2 + W3_2
R0_3 + x4_3 + S0_3
R1_3 + x5_3 + S1_3
R2_3 + x6_3 + S2_3
R3_3 + x7_3 + S3_3
V0_4 + x5_4 + W0_4
V1_4 + x6_4 + W1_4
V2_4 + x7_4 + W2_4
V3_4 + x4_4 + W3_4
R0_5 + x4_5 + S0_5
R1_5 + x5_5 + S1_5
R2_5 + x6_5 + S2_5
R3_5 + x7_5 + S3_5
W0_0 + x5_1 + x10_1
W1_0 + x6_1 + x11_1
W2_0 + x7_1 + x8_1
W3_0 + x4_1 + x9_1
S0_1 + x4_2 + x8_2
S1_1 + x5_2 + x9_2
S2_1 + x6_2 + x10_2
S3_1 + x7_2 + x11_2
W0_2 + x5_3 + x10_3
W1_2 + x6_3 + x11_3
W2_2 + x7_3 + x8_3
W3_2 + x4_3 + x9_3
S0_3 + x4_4 + x8_4
S1_3 + x5_4 + x9_4
S2_3 + x6_4 + x10_4
S3_3 + x7_4 + x11_4
W0_4 + x5_5 + x10_5
W1_4 + x6_5 + x11_5
W2_4 + x7_5 + x8_5
W3_4 + x4_5 + x9_5
S0_5 + x4_6 + x8_6
S1_5 + x5_6 + x9_6
S2_5 + x6_6 + x10_6
S3_5 + x7_6 + x11_6
U0_0 + x0_1 + x15_1
U1_0 + x1_1 + x12_1
U2_0 + x2_1 + x13_1
U3_0 + x3_1 + x14_1
Q0_1 + x0_2 + x12_2
Q1_1 + x1_2 + x13_2
Q2_1 + x2_2 + x14_2
Q3_1 + x3_2 + x15_2
U0_2 + x0_3 + x15_3
U1_2 + x1_3 + x12_3
U2_2 + x2_3 + x13_3
U3_2 + x3_3 + x14_3
Q0_3 + x0_4 + x12_4
Q1_3 + x1_4 + x13_4
Q2_3 + x2_4 + x14_4
Q3_3 + x3_4 + x15_4
U0_4 + x0_5 + x15_5
U1_4 + x1_5 + x12_5
U2_4 + x2_5 + x13_5
U3_4 + x3_5 + x14_5
Q0_5 + x0_6 + x12_6
Q1_5 + x1_6 + x13_6
Q2_5 + x2_6 + x14_6
Q3_5 + x3_6 + x15_6
known
x0_0
x4_0
x8_0
x12_0
x3_0
x7_0
x11_0
x15_0
end