作者: W. Dale Hopkins
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摘要: A key management technique establishes a secure channel through an indeterminate number of nodes in network. The comprises enrolling smart card with unique per card. is derived from private that assigned and distinctive to systems base issuer. An enrolled contains stored public entity-identifier the secret key. further transacting at point entry transaction creates PIN encryption identifier uniquely identifies sequence number. also communicating point-to-point encrypted form plurality network, recovering issuer server using