Annotation | Type | Meaning |
---|---|---|
no_enc{data} | Function | Not encrypt data |
sign_enc{data} | Function | Pseudo-randomly flip sign bit of data |
shuffle_enc{data} | Function | Pseudo-randomly shuffle data each other |
xor_enc(large_r){data} | Function | XOR data with pseudo-random number from large range |
xor_enc(small_r){data} | Function | XOR data with pseudo-random number from small range |
DC | Input data | DC coefficients |
AC | Input data | AC coefficients |
DCAC | Input data | both DC and AC coefficients |
MV | Input data | x and y coordinates of motion vectors |