Talk:Multivariate cryptography

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Unclear

"Today multivariate quadratics could be used only to build signatures. All attempts to build a secure encryption scheme have so far failed."

are the signatures safe? what extra requirement is entailed in a "secure encryption scheme"? — Preceding unsigned comment added by 213.49.90.9 (talk) 13:02, 1 May 2012 (UTC)[reply]