TWO NEW TYPES OF CRYPTOSYSTEMS OVER EISENSTEIN S RING Z[w]
Z[ω]环上的两类密码体制

A new type of public key cryptosystem and a new type of auto-authentication cryptosystem over Eisenstein's ring Zw] are presented. The security of these two types of cryptosystems depends on the difficulty of integer factoring and logarithmic computation in Zw] .