A 6.3nJ/op low energy 160-bit modulo-multiplier for elliptic curve cryptography processor | Zendy

Hyejung Kim | Zendy; Yongsang Kim | Zendy; Hoi-Jun Yoo | Zendy

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A 6.3nJ/op low energy 160-bit modulo-multiplier for elliptic curve cryptography processor

Author(s) -

Hyejung Kim,

Yongsang Kim,

Hoi-Jun Yoo

Publication year - 2008

Publication title -

2008 ieee international symposium on circuits and systems (iscas)

Language(s) - English

Resource type - Conference proceedings

eISSN - 2158-1525

pISSN - 0271-4302

ISBN - 978-1-4244-1684-4

DOI - 10.1109/iscas.2008.4542166

Subject(s) - components, circuits, devices and systems , communication, networking and broadcast technologies , engineered materials, dielectrics and plasmas

A low energy modulo-multiplier is proposed for elliptic curve cryptography (ECC) processor, especially for authentication in mobile device or key encryption in embedded health-care system. The multiplier uses only two 40-bit multipliers to execute 160-bit operation based on the Montgomery modulo-multiplication algorithm. Partial products of multiplication are accumulated with shift registers to get final 160-bit MSB of output value. One modulo-multiplication is executed with 20 clock cycles at 40MHz operating frequency. It consumes 6.3nJ for each modulo-multiplication at 1V supply voltage. It is implemented by using 0.18-μm CMOS process and has 0.7mm × 1.0mm area.

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