unapplyPrivatePermutationCols

Functions
template<domain D :shared3p , type T>
D T	unapplyPrivatePermutationCols (D T[[2]] X, D uint[[1]] p)

Detailed Description

Permute matrix columns according to a private permutation. Reverses the effect of applyPrivatePermutationCols.

Note

D - shared3p protection domain

Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int / float32 / float64 / fix32 / fix64

Parameters

X	- matrix to be permuted
p	- permutation. Output column at index p[i] will be X[:, i].

Returns

X where columns have been permuted according to permutation p

Leakage

None

Function Documentation

unapplyPrivatePermutationCols()

D T unapplyPrivatePermutationCols	(	D T[[2]]	X,
		D uint[[1]]	p
	)