oblivious.sc
oblivious.sc
Module with functions for oblivious tasks.
Functions:
matrixLookup
Function for obliviously looking up an element in the input matrix.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int / float32 / float64 |
Parameters
mat |
- a 2-dimensional matrix of supported type |
rowIndex |
- an uint type scalar for specifying the row in the input matrix |
colIndex |
- an uint type scalar for specifying the column in the input matrix |
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returns the element from the input matrix specified by rowIndex and colIndex |
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None |
Function Overloads
D bool matrixLookup(D bool[[2]] mat, D uint rowIndex, D uint columnIndex)
D uint8 matrixLookup(D uint8[[2]] mat, D uint rowIndex, D uint columnIndex)
D uint16 matrixLookup(D uint16[[2]] mat, D uint rowIndex, D uint columnIndex)
D uint32 matrixLookup(D uint32[[2]] mat, D uint rowIndex, D uint columnIndex)
D uint matrixLookup(D uint[[2]] mat, D uint rowIndex, D uint columnIndex)
D int8 matrixLookup(D int8[[2]] mat, D uint rowIndex, D uint columnIndex)
D int16 matrixLookup(D int16[[2]] mat, D uint rowIndex, D uint columnIndex)
D int32 matrixLookup(D int32[[2]] mat, D uint rowIndex, D uint columnIndex)
D int matrixLookup(D int[[2]] mat, D uint rowIndex, D uint columnIndex)
D float32 matrixLookup(D float32[[2]] mat, D uint rowIndex, D uint columnIndex)
D float64 matrixLookup(D float64[[2]] mat, D uint rowIndex, D uint columnIndex)
matrixLookupColumn
Function for obliviously looking up a column in a matrix.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int / float32 / float64 |
Parameters
mat |
- a 2-dimensional matrix of supported type |
colIndex |
- an uint type scalar for specifying the column of the input matrix to look up |
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returns the column from the input matrix specified by colIndex |
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None |
Function Overloads
D bool matrixLookupColumn(D bool[[2]] mat, D uint colIndex)
D uint8 matrixLookupColumn(D uint8[[2]] mat, D uint colIndex)
D uint16 matrixLookupColumn(D uint16[[2]] mat, D uint colIndex)
D uint32 matrixLookupColumn(D uint32[[2]] mat, D uint colIndex)
D uint matrixLookupColumn(D uint[[2]] mat, D uint colIndex)
D int8 matrixLookupColumn(D int8[[2]] mat, D uint colIndex)
D int16 matrixLookupColumn(D int16[[2]] mat, D uint colIndex)
D int32 matrixLookupColumn(D int32[[2]] mat, D uint colIndex)
D int matrixLookupColumn(D int[[2]] mat, D uint colIndex)
D float32 matrixLookupColumn(D float32[[2]] mat, D uint colIndex)
D float64 matrixLookupColumn(D float64[[2]] mat, D uint colIndex)
matrixLookupRow
Function for obliviously looking up a row in a matrix.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int / float32 / float64 |
Parameters
mat |
- a 2-dimensional matrix of supported type |
rowIndex |
- an uint type scalar for specifying the row of the input matrix to look up |
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returns the row from the input matrix specified by rowIndex |
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None |
Function Overloads
D bool matrixLookupRow(D bool[[2]] mat, D uint rowIndex)
D uint8 matrixLookupRow(D uint8[[2]] mat, D uint rowIndex)
D uint16 matrixLookupRow(D uint16[[2]] mat, D uint rowIndex)
D uint32 matrixLookupRow(D uint32[[2]] mat, D uint rowIndex)
D uint matrixLookupRow(D uint[[2]] mat, D uint rowIndex)
D int8 matrixLookupRow(D int8[[2]] mat, D uint rowIndex)
D int16 matrixLookupRow(D int16[[2]] mat, D uint rowIndex)
D int32 matrixLookupRow(D int32[[2]] mat, D uint rowIndex)
D int matrixLookupRow(D int[[2]] mat, D uint rowIndex)
D float32 matrixLookupRow(D float32[[2]] mat, D uint rowIndex)
D float64 matrixLookupRow(D float64[[2]] mat, D uint rowIndex)
matrixUpdate
Function for obliviously updating a value in the input matrix.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int |
Parameters
mat |
- a matrix of supported type |
rowIndex |
- an uint type scalar for specifying the row in the input matrix |
colIndex |
- an uint type scalar for specifying the column in the input matrix |
newValue |
- a new scalar value |
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returns a matrix where the element at row rowIndex and column colIndex has been replaced with newValue |
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None |
Function Overloads
D bool matrixUpdate(D bool[[2]] mat, D uint rowIndex, D uint columnIndex, D bool newValue)
D uint8 matrixUpdate(D uint8[[2]] mat, D uint rowIndex, D uint columnIndex, D uint8 newValue)
D uint16 matrixUpdate(D uint16[[2]] mat, D uint rowIndex, D uint columnIndex, D uint16 newValue)
D uint32 matrixUpdate(D uint32[[2]] mat, D uint rowIndex, D uint columnIndex, D uint32 newValue)
D uint matrixUpdate(D uint[[2]] mat, D uint rowIndex, D uint columnIndex, D uint newValue)
D int8 matrixUpdate(D int8[[2]] mat, D uint rowIndex, D uint columnIndex, D int8 newValue)
D int16 matrixUpdate(D int16[[2]] mat, D uint rowIndex, D uint columnIndex, D int16 newValue)
D int32 matrixUpdate(D int32[[2]] mat, D uint rowIndex, D uint columnIndex, D int32 newValue)
D int matrixUpdate(D int[[2]] mat, D uint rowIndex, D uint columnIndex, D int newValue)
matrixUpdateColumn
Function for obliviously updating a column in the input matrix.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int |
Parameters
mat |
- a matrix of supported type |
colIndex |
- an uint type scalar for specifying the column to replace |
newCol |
- a vector with new values |
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returns a matrix where the column at colIndex has been replaced with newCol |
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None |
Function Overloads
D bool matrixUpdateColumn(D bool[[2]] mat, D uint colIndex, D bool[[1]] newCol)
D uint8 matrixUpdateColumn(D uint8[[2]] mat, D uint colIndex, D uint8[[1]] newCol)
D uint16 matrixUpdateColumn(D uint16[[2]] mat, D uint colIndex, D uint16[[1]] newCol)
D uint32 matrixUpdateColumn(D uint32[[2]] mat, D uint colIndex, D uint32[[1]] newCol)
D uint matrixUpdateColumn(D uint[[2]] mat, D uint colIndex, D uint[[1]] newCol)
D int8 matrixUpdateColumn(D int8[[2]] mat, D uint colIndex, D int8[[1]] newCol)
D int16 matrixUpdateColumn(D int16[[2]] mat, D uint colIndex, D int16[[1]] newCol)
D int32 matrixUpdateColumn(D int32[[2]] mat, D uint colIndex, D int32[[1]] newCol)
D int matrixUpdateColumn(D int[[2]] mat, D uint colIndex, D int[[1]] newCol)
matrixUpdateRow
Function for obliviously updating a row in the input matrix.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int |
Parameters
mat |
- a matrix of supported type |
rowIndex |
- an uint type scalar for specifying the row to replace |
newRow |
- a vector with new values |
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returns a matrix where the row at rowIndex has been replaced with newRow |
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None |
Function Overloads
D bool matrixUpdateRow(D bool[[2]] mat, D uint rowIndex, D bool[[1]] newRow)
D uint8 matrixUpdateRow(D uint8[[2]] mat, D uint rowIndex, D uint8[[1]] newRow)
D uint16 matrixUpdateRow(D uint16[[2]] mat, D uint rowIndex, D uint16[[1]] newRow)
D uint32 matrixUpdateRow(D uint32[[2]] mat, D uint rowIndex, D uint32[[1]] newRow)
D uint matrixUpdateRow(D uint[[2]] mat, D uint rowIndex, D uint[[1]] newRow)
D int8 matrixUpdateRow(D int8[[2]] mat, D uint rowIndex, D int8[[1]] newRow)
D int16 matrixUpdateRow(D int16[[2]] mat, D uint rowIndex, D int16[[1]] newRow)
D int32 matrixUpdateRow(D int32[[2]] mat, D uint rowIndex, D int32[[1]] newRow)
D int matrixUpdateRow(D int[[2]] mat, D uint rowIndex, D int[[1]] newRow)
vectorLookup
Function for obliviously looking up an element in a vector.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int / float32 / float64 |
Parameters
vec |
- a 1-dimensional vector of supported type |
index |
- an uint type scalar for specifying the position in the vector to look up |
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returns the element in the vector specified by index |
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None |
Function Overloads
D bool vectorLookup(D bool[[1]] vec, D uint index)
D uint8 vectorLookup(D uint8[[1]] vec, D uint index)
D uint16 vectorLookup(D uint16[[1]] vec, D uint index)
D uint32 vectorLookup(D uint32[[1]] vec, D uint index)
D uint vectorLookup(D uint[[1]] vec, D uint index)
D int8 vectorLookup(D int8[[1]] vec, D uint index)
D int16 vectorLookup(D int16[[1]] vec, D uint index)
D int32 vectorLookup(D int32[[1]] vec, D uint index)
D int vectorLookup(D int[[1]] vec, D uint index)
D float32 vectorLookup(D float32[[1]] vec, D uint index)
D float64 vectorLookup(D float64[[1]] vec, D uint index)
vectorUpdate
Function for obliviously updating an element in the input vector.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int |
Parameters
vec |
- a 1-dimensional vector of supported type |
index |
- an uint type scalar for specifying the element to replace |
newValue |
- a scalar value of the same type as the input vector |
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returns a vector with the value at position index replaced by newValue |
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None |
Function Overloads
D bool vectorUpdate(D bool[[1]] vec, D uint index, D bool newValue)
D int8 vectorUpdate(D int8[[1]] vec, D uint index, D int8 newValue)
D int16 vectorUpdate(D int16[[1]] vec, D uint index, D int16 newValue)
D int32 vectorUpdate(D int32[[1]] vec, D uint index, D int32 newValue)
D int64 vectorUpdate(D int64[[1]] vec, D uint index, D int64 newValue)
D uint8 vectorUpdate(D uint8[[1]] vec, D uint index, D uint8 newValue)
D uint16 vectorUpdate(D uint16[[1]] vec, D uint index, D uint16 newValue)
D uint32 vectorUpdate(D uint32[[1]] vec, D uint index, D uint32 newValue)
D uint vectorUpdate(D uint64[[1]] vec, D uint index, D uint64 newValue)
choose
Function for obliviously choosing one of the inputs.
Functions:
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D - all protection domains |
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returns one of the input arrays that was obliviously chosen with the condition |
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None |
choose(multiple conditions)
Function for obliviously choosing pointwise from the inputs.
Detailed Description
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D - all protection domains |
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Supported types - bool / uint8 / uint16 / uint32 / uint / int8 / int16 / int32 / int / float32 / float64 |
Parameters
cond |
- a boolean array |
first |
- values for true case |
second |
- values for false case |
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pointwise check if cond at a certain position is true or false. if true the element of first at that position is returned else the element of second at that position is returned |
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None |
Function Overloads
D bool choose(D bool[[N]] cond, D bool[[N]] first, D bool[[N]] second)
D uint8 choose(D bool[[N]] cond, D uint8[[N]] first, D uint8[[N]] second)
D uint16 choose(D bool[[N]] cond, D uint16[[N]] first, D uint16[[N]] second)
D uint32 choose(D bool[[N]] cond, D uint32[[N]] first, D uint32[[N]] second)
D uint choose(D bool[[N]] cond, D uint[[N]] first, D uint[[N]] second)
D int8 choose(D bool[[N]] cond, D int8[[N]] first, D int8[[N]] second)
D int16 choose(D bool[[N]] cond, D int16[[N]] first, D int16[[N]] second)
D int32 choose(D bool[[N]] cond, D int32[[N]] first, D int32[[N]] second)
D int choose(D bool[[N]] cond, D int[[N]] first, D int[[N]] second)
choose(single condition)
Function for obliviously choosing one of the inputs.
Detailed Description
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D - all protection domains |
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T - any data type |
Parameters
cond |
- a boolean scalar |
first |
- values for true case |
second |
- values for false case |
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one of the input arrays that was obliviously chosen with the condition. if true, array first is returned else second is returned |
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None |
Function Overloads
D T choose(bool cond, D T[[N]] first, D T[[N]] second)
D bool choose(D bool cond, D bool[[N]] first, D bool[[N]] second)
D uint8 choose(D bool cond, D uint8[[N]] first, D uint8[[N]] second)
D uint16 choose(D bool cond, D uint16[[N]] first, D uint16[[N]] second)
D uint32 choose(D bool cond, D uint32[[N]] first, D uint32[[N]] second)
D uint choose(D bool cond, D uint[[N]] first, D uint[[N]] second)
D int8 choose(D bool cond, D int8[[N]] first, D int8[[N]] second)
D int16 choose(D bool cond, D int16[[N]] first, D int16[[N]] second)
D int32 choose(D bool cond, D int32[[N]] first, D int32[[N]] second)
D int choose(D bool cond, D int[[N]] first, D int[[N]] second)
D float32 choose(D bool cond, D float32[[N]] first, D float32[[N]] second)
D float64 choose(D bool cond, D float64[[N]] first, D float64[[N]] second)