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ENHANCEMENTS ON COMPACT LOGIC DEVICES AND ALSO FOR ACCELERATING AND SECURING COMPUTATIONS IN MODULAR ARITHMETIC ESPECIALLY FOR USE IN PUBLIC KEY CRYPTOGRAPHIC CO-PROCESSORS DESIGNED FOR ELLIPTIC CURVE AND RSA TYPE COMPUTATIONS
ENHANCEMENTS ON COMPACT LOGIC DEVICES AND ALSO FOR ACCELERATING AND SECURING COMPUTATIONS IN MODULAR ARITHMETIC ESPECIALLY FOR USE IN PUBLIC KEY CRYPTOGRAPHIC CO-PROCESSORS DESIGNED FOR ELLIPTIC CURVE AND RSA TYPE COMPUTATIONS
A method for accelerating and at least partially preventing leakage of secret information as a result of a probing operation on a cryptocomputer performing 4152 י' באדר א' התשס" ג - February 12, 2003 at least one modular exponentiation sequence, the method comprising: performing a multiplication procedure using addition chain procedures on the cryptocomputer; wherein a plurality of single multiplication operations of the base value times the result of a previous squaring operation are replaced by single multiplications of small multiples of the base value times a previous squaring operation.
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