Qualcomm Incorporated

Florian Reneld Ghislain Caullery

Frederic Amiel

Nicolas Thaddee Courtois

Fabrice Marinet

Anton Dumas

Systems and techniques are provided for secure processing. For instance, a process can include: providing an input value to generate a first output value; obtaining a plurality of first intermediate output values based on a function of the first output value and a tweak value; embedding the plurality of first intermediate output values into a mathematical structure; obtaining a plurality of second intermediate output values, wherein the plurality of second intermediate output values are a function of the plurality of first intermediate output values, a random number, and an inverse of the tweak value; determining a most common value of the plurality of second intermediate output values; obtaining a third intermediate value, the third intermediate value based on a function of the most common value and an inverse of the random number; projecting the third intermediate value from the mathematical structure to obtain a second output value for output.

Triplication-based fault attack countermeasure

Systems and techniques are provided for secure computing systems. For example, a process can include obtaining a plurality of instructions, wherein the plurality of instructions comprises a sequential order for execution of the plurality of instructions by a processor. The process can include determining that two or more instructions of the plurality of instructions are capable of being fused. The process can include determining that a random variable satisfies an instruction fusion condition. The process can include executing, based on determining that the two or more instructions of the plurality of instructions are capable of being fused and the random variable satisfies the instruction fusion condition, the two or more instructions of the plurality of instructions as a single fused instruction.

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Cannes, France

Florian Reneld Ghislain Caullery