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Which of the following is a VALID digital signature key?

A. Public signature authentication key
B. Private signature authentication key
C. Symmetric signature authentication key
D. Private signature key

निम्नलिखित में से कौन सी एक वैध डिजिटल हस्ताक्षर कुंजी है?

A. Public signature authentication key
B. Private signature authentication key
C. Symmetric signature authentication key
D. Private signature key

 
Explanation