RSA Modular Inversion Core
As part of continuing efforts to simplify and improve the performance of RSA designs, ChipStart is pleased to announce the availability of the CS1024-MI Modular Inversion acceleration core. Most implementations of RSA use the Chinese Remainder Theorem (CRT) algorithm to implement private key operations. CRT reduces the computational load for private key operations as the exponent calculation uses an integer which is roughly half the size of the key, i.e. 1024-bits instead of 2048-bits for example. The algorithm does however introduce the requirement for three modular inversion operations which can offset some of the improvement in CRT. Designers looking to implement high-performance RSA systems or low power designs can use the CS1024-MI offload engine to improve the overall capabilities of their designs.
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