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ECC

elliptic curve cryptosystem. An alternative to the RSA encryption system which is based on the difficulty of solving elliptic curve discrete logarithm problems rather than on factoring large numbers. Developed and marketed by Certicom, ECC is especially suitable for environments, such as wireless devices and PC cards, where computational power is limited and high speed is required. For any given key size (measured in bits) ECC provides more security (is harder to decrypt without the key) than RSA. ECC is newer than RSA, has not developed as much supporting software, and has not been attacked for as long a time. (See RSA, encryption, key, bit, decryption, and Fundamental Tenet of Cryptography in the hard copy dictionary.)

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