Minimal Codewords and Secret Sharing
Minimal Codewords and Secret Sharing
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发表时间:
1999
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通讯作者:
J. Massey
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作者:
J. Massey
The use of a linear code to "split" secrets into equal-size shares is considered. The determination of which sets of shares can be used to obtain the secret leads to the apparently new notion of minimal codewords in a linear code. It is shown that the minimal codewords in the dual code completely specify the access structure of the secret-sharing scheme, and conversely.